From 360dc73380a7960d781e98205284b33d5881aed1 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Thu, 27 Jul 2023 09:23:42 +0800
Subject: [PATCH] Add build system for lf-5.15.71-2.2.0

---
 config.json                                                       |   16 
 images/files/expand_rootfs                                        |   37 
 images/build.sh                                                   |  301 +++
 .gitignore                                                        |   14 
 bootloader/patches/gen_patch.sh                                   |  105 +
 kernel/build.sh                                                   |  292 +++
 tools/setup_tools.sh                                              |  134 +
 yocto/build.sh                                                    |  189 ++
 kernel/patches/igkboard-6ull/linux-imx-lf-5.15.71-2.2.0.patch     | 1927 ++++++++++++++++++++
 bootloader/build.sh                                               |  328 +++
 bootloader/patches/igkboard-6ull/logo_uboot_640x480.bmp           |    0 
 bootloader/patches/igkboard-6ull/uboot-imx-lf-5.15.71-2.2.0.patch | 1690 ++++++++++++++++++
 bootloader/patches/igkboard-6ull/logo_uboot.bmp                   |    0 
 images/files/config-igkboard-6ull.txt                             |   29 
 tools/imgmnt                                                      |  120 +
 images/files/pinloop                                              |   42 
 README.md                                                         |    2 
 kernel/drivers/user/Makefile                                      |   37 
 kernel/patches/gen_patch.sh                                       |  105 +
 bootloader/patches/igkboard-6ull/logo_uboot_364x128.bmp           |    0 
 images/files/pinctrl-igkboard-6ull                                |  143 +
 kernel/drivers/user/hello.c                                       |   35 
 22 files changed, 5,541 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index 21700c2..0de544e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,12 @@
 # git ignore files/folders in the list
 
-bootloader/
-images/
-kernel/
-yocto/
+tarballs/
+install/
+uboot-imx/
+linux-imx/
+hardknott/
+honister/
+kirkstone/
+langdale/
+images/rootfs-*
+rtl8188fu/
diff --git a/README.md b/README.md
index ad37d91..ed5ac34 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 从实验室 git 仓库下载相应版本的 BSP(Board Support Package) 文件.
 
 ```
-guowenxue@ubuntu22:~$ git clone -b lf-5.15.71-2.2.0 http://main.iot-yun.club:8088/r/bsp-imx.git igkboard-imx6ull
+guowenxue@ubuntu22:~$ git clone http://main.iot-yun.club:8088/r/bsp-imx.git igkboard-imx6ull
 
 guowenxue@ubuntu22:~$ cd igkboard-imx6ull && ls
 bootloader  config.json  images  kernel  tools  yocto
diff --git a/bootloader/build.sh b/bootloader/build.sh
new file mode 100755
index 0000000..4ba3df7
--- /dev/null
+++ b/bootloader/build.sh
@@ -0,0 +1,328 @@
+#!/bin/bash
+
+# this project absolute path
+PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
+
+# top project absolute path
+TOP_PATH=$(realpath $PRJ_PATH/..)
+
+# binaries install path
+INST_PATH=$PRJ_PATH/install
+
+# download taballs path
+TARBALL_PATH=$PRJ_PATH/tarballs
+
+# config file path
+CONF_FILE=$TOP_PATH/config.json
+
+# shell script will exit once get command error
+set -e
+
+#+-------------------------+
+#| Shell script functions  |
+#+-------------------------+
+
+function pr_error() {
+    echo -e "\033[40;31m $1 \033[0m"
+}
+
+function pr_warn() {
+    echo -e "\033[40;33m $1 \033[0m"
+}
+
+function pr_info() {
+    echo -e "\033[40;32m $1 \033[0m"
+}
+
+# decompress a packet to destination path
+function do_unpack()
+{
+    tarball=$1
+    dstpath=`pwd`
+
+    if [[ $# == 2 ]] ; then
+        dstpath=$2
+    fi
+
+    pr_info "decompress $tarball => $dstpath"
+
+    mkdir -p $dstpath
+    case $tarball in
+        *.tar.gz)
+            tar -xzf $tarball -C $dstpath
+            ;;
+
+        *.tar.bz2)
+            tar -xjf $tarball -C $dstpath
+            ;;
+
+        *.tar.xz)
+            tar -xJf $tarball -C $dstpath
+            ;;
+
+        *.tar.zst)
+            tar -I zstd -xf $tarball -C $dstpath
+            ;;
+
+        *.tar)
+            tar -xf $tarball -C $dstpath
+            ;;
+
+        *.zip)
+            unzip -qo $tarball -d $dstpath
+            ;;
+
+        *)
+            pr_error "decompress Unsupport packet: $tarball"
+            return 1;
+            ;;
+    esac
+}
+
+# parser configure file and export environment variable
+function export_env()
+{
+    export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export URL=`jq -r ".bsp.download" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export CROSS_COMPILE=`jq -r ".bsp.crosstool" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
+
+    # i.MX6ULL only need build uboot-imx
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        export ARCH=arm
+        export SRCS="uboot-imx"
+
+    # i.MX8MP need build atf and u-boot
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        export ARCH=arm64
+        export SRCS="uboot-imx imx-atf imx-mkimage firmware-imx"
+
+        # ATF and imx-mkimage variable
+        export ATF_PLATFORM=imx8mp
+        export IMX_BOOT_SOC_TARGET=iMX8MP
+        export IMXBOOT_TARGETS=flash_evk
+        export IMXBOOT_DTB=imx8mp-evk.dtb
+        export MKIMG_BIN_PATH=$PRJ_PATH/imx-mkimage/iMX8M/
+
+    else
+
+         pr_error "\nERROR: Unknow board name $BOARD"
+         exit;
+
+    fi
+}
+
+function do_fetch()
+{
+    mkdir -p $TARBALL_PATH
+    cd $PRJ_PATH
+
+    for src in $SRCS
+    do
+        if [ -d $src ] ; then
+            pr_info "$src fetched already"
+            continue
+        fi
+
+        # Download source code packet
+        if [ ! -s $TARBALL_PATH/$src.tar.xz ] ; then
+            pr_info "start fetch $src source code"
+            wget $URL/bsp/$BSP_VER/$src.tar.xz -P $TARBALL_PATH
+        fi
+
+        # decompress source code packet
+        do_unpack $TARBALL_PATH/$src.tar.xz
+
+        # do patch if patch file exist
+        patch_path=$PRJ_PATH/patches/$BOARD
+        patch_file=$patch_path/${src}-$BSP_VER.patch
+        if [ -f $patch_file ] ; then
+            pr_info "found and patch for $src"
+            patch -p0 < $patch_file
+        fi
+
+        # copy uboot logo file
+        logo_file=$patch_path/logo_uboot.bmp
+        if [[ $src =~ uboot ]] ;  then
+            if [ -f $logo_file ] ; then
+                pr_info "copy logo file to $src"
+                cp $logo_file $src/tools/logos/lingyun.bmp
+            fi
+        fi
+    done
+
+    rm -f *.tar.*
+}
+
+function build_uboot()
+{
+    SRC=uboot-imx
+
+    pr_warn "start build $SRC"
+    cd $PRJ_PATH/${SRC}
+
+    if [ ! -f .config ] ; then
+        make ARCH=arm ${BOARD}_defconfig
+    fi
+
+    make -j${JOBS} CROSS_COMPILE=${CROSS_COMPILE} ARCH=arm
+
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        cp u-boot-dtb.imx u-boot-${BOARD}.imx
+        chmod a+x u-boot-${BOARD}.imx
+        set -x
+        cp u-boot-${BOARD}.imx $INST_PATH
+        set +x
+
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        # install binaries to imx-mkimage
+        set -x
+        cp u-boot.bin $MKIMG_BIN_PATH
+        cp u-boot-nodtb.bin $MKIMG_BIN_PATH
+        cp spl/u-boot-spl.bin $MKIMG_BIN_PATH
+        cp arch/arm/dts/${BOARD}.dtb $MKIMG_BIN_PATH/$IMXBOOT_DTB
+        cp tools/mkimage $MKIMG_BIN_PATH/mkimage_uboot
+        set +x
+
+    fi
+}
+
+# i.MX8MP need ATF(ARM Trusted Firmware)
+function build_atf()
+{
+    SRC=imx-atf
+
+    pr_warn "start build $SRC"
+    cd $PRJ_PATH/${SRC}
+
+    make -j${JOBS} CROSS_COMPILE=${CROSS_COMPILE} PLAT=$ATF_PLATFORM bl31
+
+    set -x
+    cp build/$ATF_PLATFORM/release/bl31.bin $MKIMG_BIN_PATH
+    set +x
+}
+
+# The diagram below illustrate a signed iMX8 flash.bin image layout:
+#   reference: uboot-imx/doc/imx/habv4/guides/mx8m_secure_boot.txt
+#
+#                     +-----------------------------+
+#                     |                             |
+#                     |     *Signed HDMI/DP FW      |
+#                     |                             |
+#                     +-----------------------------+
+#                     |           Padding           |
+#             ------- +-----------------------------+ --------
+#                 ^   |          IVT - SPL          |   ^
+#          Signed |   +-----------------------------+   |
+#           Data  |   |        u-boot-spl.bin       |   |
+#                 |   |              +              |   |  SPL
+#                 v   |           DDR FW            |   | Image
+#             ------- +-----------------------------+   |
+#                     |      CSF - SPL + DDR FW     |   v
+#                     +-----------------------------+ --------
+#                     |           Padding           |
+#             ------- +-----------------------------+ --------
+#          Signed ^   |          FDT - FIT          |   ^
+#           Data  |   +-----------------------------+   |
+#                 v   |          IVT - FIT          |   |
+#             ------- +-----------------------------+   |
+#                     |          CSF - FIT          |   |
+#             ------- +-----------------------------+   |  FIT
+#                 ^   |       u-boot-nodtb.bin      |   | Image
+#                 |   +-----------------------------+   |
+#          Signed |   |       OP-TEE (Optional)     |   |
+#           Data  |   +-----------------------------+   |
+#                 |   |        bl31.bin (ATF)       |   |
+#                 |   +-----------------------------+   |
+#                 v   |          u-boot.dtb         |   v
+#             ------- +-----------------------------+ --------
+#
+#
+# Reference: <<IMX_LINUX_USERS_GUIDE.pdf>> 4.5.13 How to build imx-boot image by using imx-mkimage
+
+function build_imxboot()
+{
+    SRC=imx-mkimage
+
+    pr_warn "start build $SRC"
+    cd $PRJ_PATH/${SRC}
+
+
+    cp $PRJ_PATH/firmware-imx/firmware/hdmi/cadence/signed_hdmi_imx8m.bin $MKIMG_BIN_PATH
+    cp $PRJ_PATH/firmware-imx/firmware/ddr/synopsys/lpddr4_pmu_train_[1-2]d_imem_*.bin $MKIMG_BIN_PATH
+    cp $PRJ_PATH/firmware-imx/firmware/ddr/synopsys/lpddr4_pmu_train_[1-2]d_dmem_*.bin $MKIMG_BIN_PATH
+
+    make SOC=$IMX_BOOT_SOC_TARGET REV=A0 $IMXBOOT_TARGETS
+
+    cp $MKIMG_BIN_PATH/flash.bin u-boot-${BOARD}.imx
+    chmod a+x u-boot-${BOARD}.imx
+
+    set -x
+    cp u-boot-${BOARD}.imx $INST_PATH
+    set +x
+}
+
+function do_build()
+{
+    cd $PRJ_PATH
+
+    mkdir -p $INST_PATH
+
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        build_uboot
+
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        build_atf
+        build_uboot
+        build_imxboot
+
+    fi
+}
+
+function do_install()
+{
+    cd $PRJ_PATH
+
+    pr_info "\nbootloader installed to '$INST_PATH'"
+    ls $INST_PATH && echo ""
+}
+
+function do_clean()
+{
+    for d in $SRCS
+    do
+        rm -rf $PRJ_PATH/$d
+    done
+
+    rm -rf $TARBALL_PATH
+    rm -rf $INST_PATH
+}
+
+#+-------------------------+
+#| Shell script body entry |
+#+-------------------------+
+
+cd $PRJ_PATH
+
+export_env
+
+if [[ $# == 1 && $1 == -c ]] ;then
+    pr_warn "start clean bootloader"
+    do_clean
+    exit;
+fi
+
+pr_warn "start build bootloader for ${BOARD}"
+
+do_fetch
+
+do_build
+
+do_install
diff --git a/bootloader/patches/gen_patch.sh b/bootloader/patches/gen_patch.sh
new file mode 100755
index 0000000..048baf0
--- /dev/null
+++ b/bootloader/patches/gen_patch.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+# Description: This shell script used to generate patch file
+#      Author: guowenxue <guowenxue@gmail.com>
+#     Version: 1.0.0
+
+# this project absolute path
+PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
+
+# top project absolute path
+TOP_PATH=$(realpath $PRJ_PATH/..)
+
+# download taballs path
+TARBALL_PATH=$PRJ_PATH/tarballs
+
+# config file path
+CONF_FILE=$TOP_PATH/config.json
+
+# patch file path
+PATCH_PATH=${PRJ_PATH}/patches
+
+# shell script will exit once get command error
+#set -e
+
+#+-------------------------+
+#| Shell script functions  |
+#+-------------------------+
+
+function pr_error() {
+    echo -e "\033[40;31m $1 \033[0m"
+}
+
+function pr_warn() {
+    echo -e "\033[40;33m $1 \033[0m"
+}
+
+function pr_info() {
+    echo -e "\033[40;32m $1 \033[0m"
+}
+
+# parser configure file and export environment variable
+function export_env()
+{
+    export SRC=$(basename $1)
+    export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export CROSS_COMPILE=`jq -r ".bsp.crosstool" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
+    export PATCH=$SRC-$BSP_VER
+
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        export ARCH=arm
+
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        export ARCH=arm64
+
+    fi
+}
+
+function do_prepare()
+{
+    cd $PRJ_PATH
+
+    if [ ! -d $SRC ] ;  then
+        pr_error "\nERROR: source code $SRC not exist, exit now\n\n"
+        exit;
+    fi
+
+    pr_info "cleanup $SRC soruce code packet"
+    cd $SRC
+    make ARCH=$ARCH distclean -j $JOBS
+    cd -
+
+    mv $SRC $PATCH
+
+    pr_info "decompress orignal soruce code packet"
+    tar -xJf $TARBALL_PATH/$SRC.tar.xz
+}
+
+function do_patch()
+{
+    pr_info "generate patch file"
+
+    if [[ $SRC =~ linux ]] ; then
+        diff -Nuar --no-dereference $SRC $PATCH > $PATCH.patch
+    elif [[ $SRC =~ uboot ]] ; then
+        diff -Nuar -x "tools" $SRC $PATCH > $PATCH.patch
+    fi
+
+    pr_info "recovery $SRC soruce code"
+    rm -rf ${SRC}
+    mv $PATCH ${SRC}
+}
+
+if [ $# != 1 ] ; then
+    pr_info "$0 usage example:"
+    pr_info "$0 uboot-imx/"
+    pr_info "$0 linux-imx/"
+    exit
+fi
+
+export_env $1
+do_prepare
+do_patch
diff --git a/bootloader/patches/igkboard-6ull/logo_uboot.bmp b/bootloader/patches/igkboard-6ull/logo_uboot.bmp
new file mode 100644
index 0000000..f23da46
--- /dev/null
+++ b/bootloader/patches/igkboard-6ull/logo_uboot.bmp
Binary files differ
diff --git a/bootloader/patches/igkboard-6ull/logo_uboot_364x128.bmp b/bootloader/patches/igkboard-6ull/logo_uboot_364x128.bmp
new file mode 100644
index 0000000..ef087b6
--- /dev/null
+++ b/bootloader/patches/igkboard-6ull/logo_uboot_364x128.bmp
Binary files differ
diff --git a/bootloader/patches/igkboard-6ull/logo_uboot_640x480.bmp b/bootloader/patches/igkboard-6ull/logo_uboot_640x480.bmp
new file mode 100644
index 0000000..f23da46
--- /dev/null
+++ b/bootloader/patches/igkboard-6ull/logo_uboot_640x480.bmp
Binary files differ
diff --git a/bootloader/patches/igkboard-6ull/uboot-imx-lf-5.15.71-2.2.0.patch b/bootloader/patches/igkboard-6ull/uboot-imx-lf-5.15.71-2.2.0.patch
new file mode 100644
index 0000000..319de7b
--- /dev/null
+++ b/bootloader/patches/igkboard-6ull/uboot-imx-lf-5.15.71-2.2.0.patch
@@ -0,0 +1,1690 @@
+diff -Nuar -x tools uboot-imx/arch/arm/dts/igkboard-6ull.dts uboot-imx-lf-5.15.71-2.2.0/arch/arm/dts/igkboard-6ull.dts
+--- uboot-imx/arch/arm/dts/igkboard-6ull.dts	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/arch/arm/dts/igkboard-6ull.dts	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,377 @@
++// SPDX-License-Identifier: (GPL-2.0 OR MIT)
++//
++// Copyright (C) 2023 LingYun IoT System Studio
++
++/dts-v1/;
++
++#include "imx6ull.dtsi"
++
++/ {
++	model = "LingYun IoT Gateway Kits Board";
++	compatible = "lingyun,igkboard-6ull", "fsl,imx6ull-14x14-evk", "fsl,imx6ull";
++
++	chosen {
++		stdout-path = &uart1;
++	};
++
++	memory@80000000 {
++		device_type = "memory";
++		reg = <0x80000000 0x20000000>;
++	};
++
++	reg_sd1_vmmc: regulator-sd1-vmmc {
++		compatible = "regulator-fixed";
++		regulator-name = "VSD_3V3";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
++		off-on-delay-us = <20000>;
++		enable-active-high;
++	};
++};
++
++&fec1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_enet1>;
++	phy-mode = "rmii";
++	phy-handle = <&ethphy0>;
++	phy-reset-gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
++	phy-reset-duration = <50>;
++	phy-reset-post-delay = <15>;
++	status = "okay";
++};
++
++&fec2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_enet2>;
++	phy-mode = "rmii";
++	phy-handle = <&ethphy1>;
++	phy-reset-gpios = <&gpio5 4 GPIO_ACTIVE_LOW>;
++	phy-reset-duration = <50>;
++	phy-reset-post-delay = <15>;
++	status = "okay";
++
++	mdio {
++		#address-cells = <1>;
++		#size-cells = <0>;
++
++		ethphy0: ethernet-phy@0 {
++			reg = <0>;
++			micrel,led-mode = <1>;
++			clocks = <&clks IMX6UL_CLK_ENET_REF>;
++			clock-names = "rmii-ref";
++		};
++
++		ethphy1: ethernet-phy@1 {
++			reg = <1>;
++			micrel,led-mode = <1>;
++			clocks = <&clks IMX6UL_CLK_ENET2_REF>;
++			clock-names = "rmii-ref";
++		};
++	};
++};
++
++&lcdif {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_lcdif_dat
++		     &pinctrl_lcdif_ctrl>;
++
++	display = <&display0>;
++	status = "okay";
++
++	display0: display@0 {
++		bits-per-pixel = <16>;
++		bus-width = <16>;
++
++		display-timings {
++			native-mode = <&timing0>;
++			timing0: timing0 {
++			clock-frequency = <30000000>;
++			hactive = <800>;
++			vactive = <480>;
++			hfront-porch = <40>;
++			hback-porch = <88>;
++			hsync-len = <48>;
++			vback-porch = <32>;
++			vfront-porch = <13>;
++			vsync-len = <3>;
++
++			hsync-active = <0>;
++			vsync-active = <0>;
++			de-active = <1>;
++			pixelclk-active = <0>;
++			};
++		};
++	};
++};
++
++&snvs_poweroff {
++	status = "okay";
++};
++
++&uart1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_uart1>;
++	status = "okay";
++};
++
++&usbotg1 {
++	dr_mode = "otg";
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_usb_otg1>;
++	status = "okay";
++};
++
++&usbotg2 {
++	dr_mode = "host";
++	disable-over-current;
++	status = "okay";
++};
++
++&usbphy1 {
++	fsl,tx-d-cal = <106>;
++};
++
++&usbphy2 {
++	fsl,tx-d-cal = <106>;
++};
++
++&usdhc1 {
++	pinctrl-names = "default", "state_100mhz", "state_200mhz";
++	pinctrl-0 = <&pinctrl_usdhc1>;
++	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
++	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
++	cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
++	keep-power-in-suspend;
++	wakeup-source;
++	vmmc-supply = <&reg_sd1_vmmc>;
++	status = "okay";
++};
++
++&usdhc2 {
++    pinctrl-names = "default";
++    pinctrl-0 = <&pinctrl_usdhc2>;
++    no-1-8-v;
++    broken-cd;
++    keep-power-in-suspend;
++    wakeup-source;
++    status = "okay";
++};
++
++&wdog1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_wdog>;
++	fsl,ext-reset-output;
++};
++
++&iomuxc {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_extgpio>;
++
++	pinctrl_extgpio: extgpiogrp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO03__GPIO1_IO03	0x17059 /*	3# I2C1_SDA */
++			MX6UL_PAD_GPIO1_IO02__GPIO1_IO02	0x17059 /*	5# I2C1_SCL */
++			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x17059 /*	7#	GPIO	*/
++			MX6UL_PAD_UART3_TX_DATA__GPIO1_IO24 0x17059 /* 11# UART3_TX */
++			MX6UL_PAD_UART4_TX_DATA__GPIO1_IO28 0x17059 /* 13# UART4_TX */
++			MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29 0x17059 /* 15# UART4_RX */
++			MX6UL_PAD_LCD_DATA22__GPIO3_IO27	0x17059 /* 19# SPI1_MOSI*/
++			MX6UL_PAD_LCD_DATA23__GPIO3_IO28	0x17059 /* 21# SPI1_MISO*/
++			MX6UL_PAD_LCD_DATA20__GPIO3_IO25	0x17059 /* 23# SPI1_SCLK*/
++			MX6UL_PAD_UART3_CTS_B__GPIO1_IO26	0x17059 /* 27# CAN1_TX	*/
++			MX6UL_PAD_UART3_RTS_B__GPIO1_IO27	0x17059 /* 29# CAN1_RX	*/
++			MX6UL_PAD_UART2_CTS_B__GPIO1_IO22	0x17059 /* 31# CAN2_TX	*/
++			MX6UL_PAD_UART2_RTS_B__GPIO1_IO23	0x17059 /* 33# CAN2_RX	*/
++			MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01	0x17059 /* 35#	GPIO	*/
++			MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08	0x17059 /* 37#	GPIO	*/
++			MX6UL_PAD_UART2_TX_DATA__GPIO1_IO20 0x17059 /* 8# UART2_TX */
++			MX6UL_PAD_UART2_RX_DATA__GPIO1_IO21 0x17059 /* 10# UART2_RX */
++			MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25 0x17059 /* 12# UART3_RX */
++			MX6UL_PAD_LCD_DATA16__GPIO3_IO21	0x17059 /* 16# UART7_TX */
++			MX6UL_PAD_LCD_DATA17__GPIO3_IO22	0x17059 /* 18# UART7_RX */
++			MX6UL_PAD_LCD_DATA18__GPIO3_IO23	0x17059 /* 22# GPIO		*/
++			MX6UL_PAD_LCD_DATA21__GPIO3_IO26	0x17059 /* 24# SPI1_SS0 */
++			MX6UL_PAD_LCD_DATA19__GPIO3_IO24	0x17059 /* 26# GPIO		*/
++			MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15	0x17059 /* 28# PWM8		*/
++			MX6UL_PAD_JTAG_TCK__GPIO1_IO14		0x17059 /* 32# PWM7		*/
++			MX6UL_PAD_JTAG_TMS__GPIO1_IO11		0x17059 /* 36# GPIO */
++			MX6UL_PAD_JTAG_MOD__GPIO1_IO10		0x17059 /* 38# GPIO */
++			MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09	0x17059 /* 40# GPIO */
++		>;
++	};
++
++	pinctrl_enet1: enet1grp {
++		fsl,pins = <
++			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0
++			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0
++			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0
++			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0
++			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b0b0
++			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b0b0
++			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b0b0
++			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x4001b031
++			MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x10B0 /* ENET1 RESET */
++		>;
++	};
++
++	pinctrl_enet2: enet2grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO07__ENET2_MDC		0x1b0b0
++			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO	0x1b0b0
++			MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN	0x1b0b0
++			MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER	0x1b0b0
++			MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00	0x1b0b0
++			MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01	0x1b0b0
++			MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN	0x1b0b0
++			MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00	0x1b0b0
++			MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01	0x1b0b0
++			MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x4001b031
++			MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04	0x10B0 /* ENET2 RESET */
++		>;
++	};
++
++	pinctrl_lcdif_dat: lcdifdatgrp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_DATA00__LCDIF_DATA00  0x79
++			MX6UL_PAD_LCD_DATA01__LCDIF_DATA01  0x79
++			MX6UL_PAD_LCD_DATA02__LCDIF_DATA02  0x79
++			MX6UL_PAD_LCD_DATA03__LCDIF_DATA03  0x79
++			MX6UL_PAD_LCD_DATA04__LCDIF_DATA04  0x79
++			MX6UL_PAD_LCD_DATA05__LCDIF_DATA05  0x79
++			MX6UL_PAD_LCD_DATA06__LCDIF_DATA06  0x79
++			MX6UL_PAD_LCD_DATA07__LCDIF_DATA07  0x79
++			MX6UL_PAD_LCD_DATA08__LCDIF_DATA08  0x79
++			MX6UL_PAD_LCD_DATA09__LCDIF_DATA09  0x79
++			MX6UL_PAD_LCD_DATA10__LCDIF_DATA10  0x79
++			MX6UL_PAD_LCD_DATA11__LCDIF_DATA11  0x79
++			MX6UL_PAD_LCD_DATA12__LCDIF_DATA12  0x79
++			MX6UL_PAD_LCD_DATA13__LCDIF_DATA13  0x79
++			MX6UL_PAD_LCD_DATA14__LCDIF_DATA14  0x79
++			MX6UL_PAD_LCD_DATA15__LCDIF_DATA15  0x79
++		>;
++	};
++
++	pinctrl_lcdif_ctrl: lcdifctrlgrp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_CLK__LCDIF_CLK	    0x79
++			MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE  0x79
++			MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC    0x79
++			MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC    0x79
++			/* used for lcd reset */
++			MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09  0x79
++		>;
++	};
++
++	pinctrl_uart1: uart1grp {
++		fsl,pins = <
++			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
++			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
++		>;
++	};
++
++	pinctrl_usb_otg1: usbotg1grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID	0x17059
++		>;
++	};
++
++	pinctrl_usdhc1: usdhc1grp {
++		fsl,pins = <
++			MX6UL_PAD_SD1_CMD__USDHC1_CMD     	0x17059
++			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10071
++			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 	0x17059
++			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 	0x17059
++			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 	0x17059
++			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 	0x17059
++			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19       0x17059 /* SD1 CD */
++			MX6UL_PAD_GPIO1_IO05__USDHC1_VSELECT    0x17059 /* SD1 VSELECT */
++			MX6UL_PAD_GPIO1_IO09__GPIO1_IO09        0x17059 /* SD1 RESET */
++		>;
++	};
++
++	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
++		fsl,pins = <
++			MX6UL_PAD_SD1_CMD__USDHC1_CMD     0x170b9
++			MX6UL_PAD_SD1_CLK__USDHC1_CLK     0x100b9
++			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
++			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
++			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
++			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
++
++		>;
++	};
++
++	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
++		fsl,pins = <
++			MX6UL_PAD_SD1_CMD__USDHC1_CMD     0x170f9
++			MX6UL_PAD_SD1_CLK__USDHC1_CLK     0x100f9
++			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
++			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
++			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
++			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
++		>;
++	};
++
++	pinctrl_usdhc2: usdhc2grp {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x17059
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x17059
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
++		>;
++	};
++
++	pinctrl_usdhc2_8bit: usdhc2grp_8bit {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x10069
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x17059
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
++			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059
++			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059
++			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059
++			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059
++		>;
++	};
++
++	pinctrl_usdhc2_8bit_100mhz: usdhc2grp_8bit_100mhz {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x100b9
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x170b9
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170b9
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170b9
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170b9
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170b9
++			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170b9
++			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170b9
++			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170b9
++			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170b9
++		>;
++	};
++
++	pinctrl_usdhc2_8bit_200mhz: usdhc2grp_8bit_200mhz {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x100f9
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x170f9
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170f9
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170f9
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170f9
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170f9
++			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170f9
++			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170f9
++			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170f9
++			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9
++		>;
++	};
++
++	pinctrl_wdog: wdoggrp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_RESET__WDOG1_WDOG_ANY    0x30b0
++		>;
++	};
++};
+diff -Nuar -x tools uboot-imx/arch/arm/dts/Makefile uboot-imx-lf-5.15.71-2.2.0/arch/arm/dts/Makefile
+--- uboot-imx/arch/arm/dts/Makefile	2023-03-01 18:01:20.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/arch/arm/dts/Makefile	2023-07-25 22:34:02.088832373 +0800
+@@ -871,6 +871,7 @@
+ 	imx6ull-kontron-n641x-s.dtb
+ 
+ dtb-$(CONFIG_MX6ULL) += \
++	igkboard-6ull.dtb \
+ 	imx6ull-14x14-ddr3-val.dtb \
+ 	imx6ull-14x14-ddr3-val-epdc.dtb \
+ 	imx6ull-14x14-ddr3-val-emmc.dtb \
+diff -Nuar -x tools uboot-imx/arch/arm/mach-imx/mx6/Kconfig uboot-imx-lf-5.15.71-2.2.0/arch/arm/mach-imx/mx6/Kconfig
+--- uboot-imx/arch/arm/mach-imx/mx6/Kconfig	2023-03-01 18:01:20.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/arch/arm/mach-imx/mx6/Kconfig	2023-07-25 22:34:02.088832373 +0800
+@@ -157,6 +157,16 @@
+ 	prompt "MX6 board select"
+ 	optional
+ 
++config TARGET_LINGYUN_IGKBOARD_6ULL
++	bool "LingYun i.MX6ULL IoT Gateway Kits Board(IGKBoard-6ULL)"
++	depends on MX6ULL
++	select BOARD_LATE_INIT
++	select DM
++	select DM_THERMAL
++	select IMX_MODULE_FUSE
++	select OF_SYSTEM_SETUP
++	imply CMD_DM
++
+ config TARGET_APALIS_IMX6
+ 	bool "Toradex Apalis iMX6 board"
+ 	depends on MX6Q
+@@ -888,5 +898,6 @@
+ source "board/warp/Kconfig"
+ source "board/BuR/brppt2/Kconfig"
+ source "board/out4/o4-imx6ull-nano/Kconfig"
++source "board/lingyun/igkboard-6ull/Kconfig"
+ 
+ endif
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/igkboard-6ull.c uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/igkboard-6ull.c
+--- uboot-imx/board/lingyun/igkboard-6ull/igkboard-6ull.c	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/igkboard-6ull.c	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,362 @@
++// SPDX-License-Identifier: GPL-2.0+
++/*
++ * Copyright (C) 2016 Freescale Semiconductor, Inc.
++ * Copyright 2017 NXP
++ */
++
++#include <init.h>
++#include <asm/arch/clock.h>
++#include <asm/arch/iomux.h>
++#include <asm/arch/imx-regs.h>
++#include <asm/arch/crm_regs.h>
++#include <asm/arch/mx6-pins.h>
++#include <asm/arch/sys_proto.h>
++#include <asm/global_data.h>
++#include <asm/gpio.h>
++#include <asm/mach-imx/iomux-v3.h>
++#include <asm/mach-imx/boot_mode.h>
++#include <asm/mach-imx/mxc_i2c.h>
++#include <asm/io.h>
++#include <common.h>
++#include <env.h>
++#include <fsl_esdhc_imx.h>
++#include <i2c.h>
++#include <miiphy.h>
++#include <linux/sizes.h>
++#include <linux/delay.h>
++#include <mmc.h>
++#include <miiphy.h>
++#include <power/pmic.h>
++#include <power/pfuze3000_pmic.h>
++#include "../../freescale/common/pfuze.h"
++
++DECLARE_GLOBAL_DATA_PTR;
++
++#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
++	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
++	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
++
++#define I2C_PAD_CTRL    (PAD_CTL_PKE | PAD_CTL_PUE |            \
++	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
++	PAD_CTL_DSE_40ohm | PAD_CTL_HYS |			\
++	PAD_CTL_ODE)
++
++#define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
++	PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm)
++
++#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
++#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
++			PAD_CTL_SRE_FAST)
++#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
++
++
++#ifdef CONFIG_DM_PMIC
++int power_init_board(void)
++{
++	struct udevice *dev;
++	int ret, dev_id, rev_id;
++	unsigned int reg;
++
++	ret = pmic_get("pfuze3000@8", &dev);
++	if (ret == -ENODEV)
++		return 0;
++	if (ret != 0)
++		return ret;
++
++	dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
++	rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
++	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
++
++	/* disable Low Power Mode during standby mode */
++	reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
++	reg |= 0x1;
++	pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);
++
++	/* SW1B step ramp up time from 2us to 4us/25mV */
++	pmic_reg_write(dev, PFUZE3000_SW1BCONF, 0x40);
++
++	/* SW1B mode to APS/PFM */
++	pmic_reg_write(dev, PFUZE3000_SW1BMODE, 0xc);
++
++	/* SW1B standby voltage set to 0.975V */
++	pmic_reg_write(dev, PFUZE3000_SW1BSTBY, 0xb);
++
++	return 0;
++}
++
++#ifdef CONFIG_LDO_BYPASS_CHECK
++void ldo_mode_set(int ldo_bypass)
++{
++	unsigned int value;
++	u32 vddarm;
++	struct udevice *dev;
++	int ret;
++
++	ret = pmic_get("pfuze3000@8", &dev);
++	if (ret == -ENODEV) {
++		printf("No PMIC found!\n");
++		return;
++	}
++
++	/* switch to ldo_bypass mode */
++	if (ldo_bypass) {
++		prep_anatop_bypass();
++		/* decrease VDDARM to 1.275V */
++		value = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
++		value &= ~0x1f;
++		value |= PFUZE3000_SW1AB_SETP(12750);
++		pmic_reg_write(dev, PFUZE3000_SW1BVOLT, value);
++
++		set_anatop_bypass(1);
++		vddarm = PFUZE3000_SW1AB_SETP(11750);
++
++		value = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
++		value &= ~0x1f;
++		value |= vddarm;
++		pmic_reg_write(dev, PFUZE3000_SW1BVOLT, value);
++
++		finish_anatop_bypass();
++
++		printf("switch to ldo_bypass mode!\n");
++	}
++}
++#endif
++#endif
++
++int dram_init(void)
++{
++	gd->ram_size = imx_ddr_size();
++
++	return 0;
++}
++
++static iomux_v3_cfg_t const uart1_pads[] = {
++	MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
++	MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
++};
++
++static void setup_iomux_uart(void)
++{
++	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
++}
++
++#ifdef CONFIG_FSL_QSPI
++
++#ifndef CONFIG_DM_SPI
++#define QSPI_PAD_CTRL1	\
++	(PAD_CTL_SRE_FAST | PAD_CTL_SPEED_MED | \
++	 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_120ohm)
++
++static iomux_v3_cfg_t const quadspi_pads[] = {
++	MX6_PAD_NAND_WP_B__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
++	MX6_PAD_NAND_READY_B__QSPI_A_DATA00 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
++	MX6_PAD_NAND_CE0_B__QSPI_A_DATA01 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
++	MX6_PAD_NAND_CE1_B__QSPI_A_DATA02 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
++	MX6_PAD_NAND_CLE__QSPI_A_DATA03 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
++	MX6_PAD_NAND_DQS__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
++};
++#endif
++
++static int board_qspi_init(void)
++{
++#ifndef CONFIG_DM_SPI
++	/* Set the iomux */
++	imx_iomux_v3_setup_multiple_pads(quadspi_pads,
++					 ARRAY_SIZE(quadspi_pads));
++#endif
++	/* Set the clock */
++	enable_qspi_clk(0);
++
++	return 0;
++}
++#endif
++
++#ifdef CONFIG_NAND_MXS
++static iomux_v3_cfg_t const nand_pads[] = {
++	MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_CE1_B__RAWNAND_CE1_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++	MX6_PAD_NAND_DQS__RAWNAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
++};
++
++static void setup_gpmi_nand(void)
++{
++	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
++
++	/* config gpmi nand iomux */
++	imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
++
++	setup_gpmi_io_clk((MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
++			MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
++			MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)));
++
++	/* enable apbh clock gating */
++	setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
++}
++#endif
++
++#ifdef CONFIG_FEC_MXC
++static int setup_fec(void)
++{
++	struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
++	int ret;
++
++	/*
++	 * Use 50M anatop loopback REF_CLK1 for ENET1,
++	 * clear gpr1[13], set gpr1[17].
++	 */
++	clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
++			IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
++	/*
++	 * Use 50M anatop loopback REF_CLK2 for ENET2,
++	 * clear gpr1[14], set gpr1[18].
++	 */
++	if (!check_module_fused(MODULE_ENET2)) {
++		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
++				IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
++	}
++
++	ret = enable_fec_anatop_clock(0, ENET_50MHZ);
++	if (ret)
++		return ret;
++
++	if (!check_module_fused(MODULE_ENET2)) {
++		ret = enable_fec_anatop_clock(1, ENET_50MHZ);
++		if (ret)
++			return ret;
++	}
++
++	enable_enet_clk(1);
++
++	return 0;
++}
++
++int board_phy_config(struct phy_device *phydev)
++{
++	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
++
++	if (phydev->drv->config)
++		phydev->drv->config(phydev);
++
++	return 0;
++}
++#endif
++
++#ifdef CONFIG_DM_VIDEO
++static iomux_v3_cfg_t const lcd_pads[] = {
++	/* Use GPIO for Brightness adjustment, duty cycle = period. */
++	MX6_PAD_GPIO1_IO08__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
++};
++
++static int setup_lcd(void)
++{
++	enable_lcdif_clock(LCDIF1_BASE_ADDR, 1);
++
++	imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
++
++	/* Reset the LCD */
++	gpio_request(IMX_GPIO_NR(5, 9), "lcd reset");
++	gpio_direction_output(IMX_GPIO_NR(5, 9) , 0);
++	udelay(500);
++	gpio_direction_output(IMX_GPIO_NR(5, 9) , 1);
++
++	/* Set Brightness to high */
++	gpio_request(IMX_GPIO_NR(1, 8), "backlight");
++	gpio_direction_output(IMX_GPIO_NR(1, 8) , 1);
++
++	return 0;
++}
++#else
++static inline int setup_lcd(void) { return 0; }
++#endif
++
++int board_early_init_f(void)
++{
++	setup_iomux_uart();
++
++	return 0;
++}
++
++int board_init(void)
++{
++	/* Address of boot parameters */
++	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
++
++#ifdef	CONFIG_FEC_MXC
++	setup_fec();
++#endif
++
++#ifdef CONFIG_FSL_QSPI
++	board_qspi_init();
++#endif
++
++#ifdef CONFIG_NAND_MXS
++	setup_gpmi_nand();
++#endif
++
++	return 0;
++}
++
++#ifdef CONFIG_CMD_BMODE
++static const struct boot_mode board_boot_modes[] = {
++	/* 4 bit bus width */
++	{"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
++	{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
++	{"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
++	{NULL,	 0},
++};
++#endif
++
++int board_late_init(void)
++{
++#ifdef CONFIG_CMD_BMODE
++	add_board_boot_modes(board_boot_modes);
++#endif
++
++	env_set("tee", "no");
++#ifdef CONFIG_IMX_OPTEE
++	env_set("tee", "yes");
++#endif
++
++	setup_lcd();
++
++#ifdef CONFIG_ENV_IS_IN_MMC
++	board_late_mmc_env_init();
++#endif
++
++	set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR);
++
++	return 0;
++}
++
++int checkboard(void)
++{
++	if (is_mx6ull_9x9_evk())
++		puts("Board: MX6ULL 9x9 EVK\n");
++	else if (is_cpu_type(MXC_CPU_MX6ULZ))
++		puts("Board: MX6ULZ 14x14 EVK\n");
++	else
++		puts("Board: IGKBoard-6ULL\n\n");
++
++	return 0;
++}
++
++void board_quiesce_devices(void)
++{
++#if defined(CONFIG_VIDEO_MXS)
++	enable_lcdif_clock(LCDIF1_BASE_ADDR, 0);
++#endif
++}
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/imximage.cfg uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/imximage.cfg
+--- uboot-imx/board/lingyun/igkboard-6ull/imximage.cfg	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/imximage.cfg	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,120 @@
++/* SPDX-License-Identifier: GPL-2.0+ */
++/*
++ * Copyright (C) 2016 Freescale Semiconductor, Inc.
++ * Copyright 2017 NXP
++ *
++ * Refer doc/imx/mkimage/imximage.txt for more details about how-to configure
++ * and create imximage boot image
++ *
++ * The syntax is taken as close as possible with the kwbimage
++ */
++
++#include <config.h>
++
++/* image version */
++
++IMAGE_VERSION 2
++
++/*
++ * Boot Device : one of
++ * spi/sd/nand/onenand, qspi/nor
++ */
++
++#ifdef CONFIG_QSPI_BOOT
++BOOT_FROM	qspi
++#elif defined(CONFIG_NOR_BOOT)
++BOOT_FROM	nor
++#else
++BOOT_FROM	sd
++#endif
++
++#ifdef CONFIG_USE_IMXIMG_PLUGIN
++/*PLUGIN    plugin-binary-file    IRAM_FREE_START_ADDR*/
++PLUGIN	board/freescale/mx6ullevk/plugin.bin 0x00907000
++#else
++
++#ifdef CONFIG_IMX_HAB
++CSF CONFIG_CSF_SIZE
++#endif
++
++/*
++ * Device Configuration Data (DCD)
++ *
++ * Each entry must have the format:
++ * Addr-type           Address        Value
++ *
++ * where:
++ *	Addr-type register length (1,2 or 4 bytes)
++ *	Address	  absolute address of the register
++ *	value	  value to be stored in the register
++ */
++
++/* Enable all clocks */
++DATA 4 0x020c4068 0xffffffff
++DATA 4 0x020c406c 0xffffffff
++DATA 4 0x020c4070 0xffffffff
++DATA 4 0x020c4074 0xffffffff
++DATA 4 0x020c4078 0xffffffff
++DATA 4 0x020c407c 0xffffffff
++DATA 4 0x020c4080 0xffffffff
++
++#ifdef CONFIG_IMX_OPTEE
++DATA 4 0x20e4024 0x00000001
++CHECK_BITS_SET 4 0x20e4024 0x1
++#endif
++
++DATA 4 0x020E04B4 0x000C0000
++DATA 4 0x020E04AC 0x00000000
++DATA 4 0x020E027C 0x00000030
++DATA 4 0x020E0250 0x00000030
++DATA 4 0x020E024C 0x00000030
++DATA 4 0x020E0490 0x00000030
++DATA 4 0x020E0288 0x000C0030
++DATA 4 0x020E0270 0x00000000
++DATA 4 0x020E0260 0x00000030
++DATA 4 0x020E0264 0x00000030
++DATA 4 0x020E04A0 0x00000030
++DATA 4 0x020E0494 0x00020000
++DATA 4 0x020E0280 0x00000030
++DATA 4 0x020E0284 0x00000030
++DATA 4 0x020E04B0 0x00020000
++DATA 4 0x020E0498 0x00000030
++DATA 4 0x020E04A4 0x00000030
++DATA 4 0x020E0244 0x00000030
++DATA 4 0x020E0248 0x00000030
++DATA 4 0x021B001C 0x00008000
++DATA 4 0x021B0800 0xA1390003
++DATA 4 0x021B080C 0x00000004
++DATA 4 0x021B083C 0x41640158
++DATA 4 0x021B0848 0x40403237
++DATA 4 0x021B0850 0x40403C33
++DATA 4 0x021B081C 0x33333333
++DATA 4 0x021B0820 0x33333333
++DATA 4 0x021B082C 0xf3333333
++DATA 4 0x021B0830 0xf3333333
++DATA 4 0x021B08C0 0x00944009
++DATA 4 0x021B08b8 0x00000800
++DATA 4 0x021B0004 0x0002002D
++DATA 4 0x021B0008 0x1B333030
++DATA 4 0x021B000C 0x676B52F3
++DATA 4 0x021B0010 0xB66D0B63
++DATA 4 0x021B0014 0x01FF00DB
++DATA 4 0x021B0018 0x00201740
++DATA 4 0x021B001C 0x00008000
++DATA 4 0x021B002C 0x000026D2
++DATA 4 0x021B0030 0x006B1023
++DATA 4 0x021B0040 0x0000004F
++DATA 4 0x021B0000 0x84180000
++DATA 4 0x021B0890 0x00400000
++DATA 4 0x021B001C 0x02008032
++DATA 4 0x021B001C 0x00008033
++DATA 4 0x021B001C 0x00048031
++DATA 4 0x021B001C 0x15208030
++DATA 4 0x021B001C 0x04008040
++DATA 4 0x021B0020 0x00000800
++DATA 4 0x021B0818 0x00000227
++DATA 4 0x021B0004 0x0002552D
++DATA 4 0x021B0404 0x00011006
++DATA 4 0x021B001C 0x00000000
++
++#endif
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/imximage_lpddr2.cfg uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/imximage_lpddr2.cfg
+--- uboot-imx/board/lingyun/igkboard-6ull/imximage_lpddr2.cfg	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/imximage_lpddr2.cfg	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,125 @@
++/*
++ * Copyright (C) 2016 Freescale Semiconductor, Inc.
++ * Copyright 2017 NXP
++ *
++ * SPDX-License-Identifier:	GPL-2.0+
++ *
++ * Refer docs/README.imxmage for more details about how-to configure
++ * and create imximage boot image
++ *
++ * The syntax is taken as close as possible with the kwbimage
++ */
++
++#include <config.h>
++
++/* image version */
++
++IMAGE_VERSION 2
++
++/*
++ * Boot Device : one of
++ * spi/sd/nand/onenand, qspi/nor
++ */
++
++#ifdef CONFIG_QSPI_BOOT
++BOOT_FROM	qspi
++#elif defined(CONFIG_NOR_BOOT)
++BOOT_FROM	nor
++#else
++BOOT_FROM	sd
++#endif
++
++#ifdef CONFIG_USE_IMXIMG_PLUGIN
++/*PLUGIN    plugin-binary-file    IRAM_FREE_START_ADDR*/
++PLUGIN	board/lingyun/igkboard-6ull/plugin.bin 0x00907000
++#else
++
++#ifdef CONFIG_IMX_HAB
++CSF CONFIG_CSF_SIZE
++#endif
++
++/*
++ * Device Configuration Data (DCD)
++ *
++ * Each entry must have the format:
++ * Addr-type           Address        Value
++ *
++ * where:
++ *	Addr-type register length (1,2 or 4 bytes)
++ *	Address	  absolute address of the register
++ *	value	  value to be stored in the register
++ */
++
++DATA 4 0x020c4068 0xffffffff
++DATA 4 0x020c406c 0xffffffff
++DATA 4 0x020c4070 0xffffffff
++DATA 4 0x020c4074 0xffffffff
++DATA 4 0x020c4078 0xffffffff
++DATA 4 0x020c407c 0xffffffff
++DATA 4 0x020c4080 0xffffffff
++
++#ifdef CONFIG_IMX_OPTEE
++DATA 4 0x20e4024 0x00000001
++CHECK_BITS_SET 4 0x20e4024 0x1
++#endif
++
++DATA 4 0x020E04B4 0x00080000
++DATA 4 0x020E04AC 0x00000000
++DATA 4 0x020E027C 0x00000030
++DATA 4 0x020E0250 0x00000030
++DATA 4 0x020E024C 0x00000030
++DATA 4 0x020E0490 0x00000030
++DATA 4 0x020E0288 0x00000030
++DATA 4 0x020E0270 0x00000000
++DATA 4 0x020E0260 0x00000000
++DATA 4 0x020E0264 0x00000000
++DATA 4 0x020E04A0 0x00000030
++DATA 4 0x020E0494 0x00020000
++DATA 4 0x020E0280 0x00003030
++DATA 4 0x020E0284 0x00003030
++DATA 4 0x020E04B0 0x00020000
++DATA 4 0x020E0498 0x00000030
++DATA 4 0x020E04A4 0x00000030
++DATA 4 0x020E0244 0x00000030
++DATA 4 0x020E0248 0x00000030
++
++DATA 4 0x021B001C 0x00008000
++DATA 4 0x021B085C 0x1b4700c7
++DATA 4 0x021B0800 0xA1390003
++DATA 4 0x021B0890 0x23400A38
++DATA 4 0x021B08b8 0x00000800
++
++DATA 4 0x021B081C 0x33333333
++DATA 4 0x021B0820 0x33333333
++DATA 4 0x021B082C 0xf3333333
++DATA 4 0x021B0830 0xf3333333
++DATA 4 0x021B083C 0x20000000
++DATA 4 0x021B0848 0x40403439
++DATA 4 0x021B0850 0x4040342D
++DATA 4 0x021B08C0 0x00921012
++DATA 4 0x021B08b8 0x00000800
++
++DATA 4 0x021B0004 0x00020052
++DATA 4 0x021B0008 0x00000000
++DATA 4 0x021B000C 0x33374133
++DATA 4 0x021B0010 0x00100A82
++DATA 4 0x021B0038 0x00170557
++DATA 4 0x021B0014 0x00000093
++DATA 4 0x021B0018 0x00201748
++DATA 4 0x021B002C 0x0F9F26D2
++DATA 4 0x021B0030 0x009F0010
++DATA 4 0x021B0040 0x00000047
++DATA 4 0x021B0000 0x83100000
++DATA 4 0x021B001C 0x00008010
++DATA 4 0x021B001C 0x003F8030
++DATA 4 0x021B001C 0xFF0A8030
++DATA 4 0x021B001C 0x82018030
++DATA 4 0x021B001C 0x04028030
++DATA 4 0x021B001C 0x01038030
++DATA 4 0x021B0020 0x00001800
++DATA 4 0x021B0818 0x00000000
++DATA 4 0x021B0800 0xA1310003
++DATA 4 0x021B0004 0x00025552
++DATA 4 0x021B0404 0x00011006
++DATA 4 0x021B001C 0x00000000
++#endif
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/Kconfig uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/Kconfig
+--- uboot-imx/board/lingyun/igkboard-6ull/Kconfig	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/Kconfig	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,14 @@
++if TARGET_LINGYUN_IGKBOARD_6ULL
++
++config SYS_BOARD
++	default "igkboard-6ull"
++
++config SYS_VENDOR
++	default "lingyun"
++
++config SYS_CONFIG_NAME
++	default "igkboard-6ull"
++
++config SYS_TEXT_BASE
++	default 0x87800000
++endif
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/MAINTAINERS uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/MAINTAINERS
+--- uboot-imx/board/lingyun/igkboard-6ull/MAINTAINERS	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/MAINTAINERS	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,7 @@
++LingYun i.MX6ULL IoT Gateway Board(IGKBoard-6ULL)
++M:	Guo Wenxue <guowenxue@gmail.com>
++S:	Maintained
++F:	board/lingyun/igkboard-6ull/
++F:	include/configs/igkboard-6ull.h
++F:	configs/igkboard-6ull_defconfig
++
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/Makefile uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/Makefile
+--- uboot-imx/board/lingyun/igkboard-6ull/Makefile	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/Makefile	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,5 @@
++# SPDX-License-Identifier: GPL-2.0+
++# (C) Copyright 2016 Freescale Semiconductor, Inc.
++
++obj-y  := igkboard-6ull.o
++obj-y  += ../../freescale/common/mmc.o
+diff -Nuar -x tools uboot-imx/board/lingyun/igkboard-6ull/plugin.S uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/plugin.S
+--- uboot-imx/board/lingyun/igkboard-6ull/plugin.S	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/board/lingyun/igkboard-6ull/plugin.S	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,263 @@
++/* SPDX-License-Identifier: GPL-2.0+ */
++/*
++ * Copyright (C) 2016 Freescale Semiconductor, Inc.
++ * Copyright 2017 NXP
++ */
++
++#include <config.h>
++
++/* DDR script */
++.macro imx6ull_ddr3_evk_setting
++	ldr r0, =IOMUXC_BASE_ADDR
++	ldr r1, =0x000C0000
++	str r1, [r0, #0x4B4]
++	ldr r1, =0x00000000
++	str r1, [r0, #0x4AC]
++	ldr r1, =0x00000030
++	str r1, [r0, #0x27C]
++	ldr r1, =0x00000030
++	str r1, [r0, #0x250]
++	str r1, [r0, #0x24C]
++	str r1, [r0, #0x490]
++	ldr r1, =0x000C0030
++	str r1, [r0, #0x288]
++
++	ldr r1, =0x00000000
++	str r1, [r0, #0x270]
++
++	ldr r1, =0x00000030
++	str r1, [r0, #0x260]
++	str r1, [r0, #0x264]
++	str r1, [r0, #0x4A0]
++
++	ldr r1, =0x00020000
++	str r1, [r0, #0x494]
++
++	ldr r1, =0x00000030
++	str r1, [r0, #0x280]
++	ldr r1, =0x00000030
++	str r1, [r0, #0x284]
++
++	ldr r1, =0x00020000
++	str r1, [r0, #0x4B0]
++
++	ldr r1, =0x00000030
++	str r1, [r0, #0x498]
++	str r1, [r0, #0x4A4]
++	str r1, [r0, #0x244]
++	str r1, [r0, #0x248]
++
++	ldr r0, =MMDC_P0_BASE_ADDR
++	ldr r1, =0x00008000
++	str r1, [r0, #0x1C]
++	ldr r1, =0xA1390003
++	str r1, [r0, #0x800]
++	ldr r1, =0x00000004
++	str r1, [r0, #0x80C]
++	ldr r1, =0x41640158
++	str r1, [r0, #0x83C]
++	ldr r1, =0x40403237
++	str r1, [r0, #0x848]
++	ldr r1, =0x40403C33
++	str r1, [r0, #0x850]
++	ldr r1, =0x33333333
++	str r1, [r0, #0x81C]
++	str r1, [r0, #0x820]
++	ldr r1, =0xF3333333
++	str r1, [r0, #0x82C]
++	str r1, [r0, #0x830]
++	ldr r1, =0x00944009
++	str r1, [r0, #0x8C0]
++	ldr r1, =0x00000800
++	str r1, [r0, #0x8B8]
++	ldr r1, =0x0002002D
++	str r1, [r0, #0x004]
++	ldr r1, =0x1B333030
++	str r1, [r0, #0x008]
++	ldr r1, =0x676B52F3
++	str r1, [r0, #0x00C]
++	ldr r1, =0xB66D0B63
++	str r1, [r0, #0x010]
++	ldr r1, =0x01FF00DB
++	str r1, [r0, #0x014]
++	ldr r1, =0x00201740
++	str r1, [r0, #0x018]
++	ldr r1, =0x00008000
++	str r1, [r0, #0x01C]
++	ldr r1, =0x000026D2
++	str r1, [r0, #0x02C]
++	ldr r1, =0x006B1023
++	str r1, [r0, #0x030]
++	ldr r1, =0x0000004F
++	str r1, [r0, #0x040]
++	ldr r1, =0x84180000
++	str r1, [r0, #0x000]
++	ldr r1, =0x00400000
++	str r1, [r0, #0x890]
++	ldr r1, =0x02008032
++	str r1, [r0, #0x01C]
++	ldr r1, =0x00008033
++	str r1, [r0, #0x01C]
++	ldr r1, =0x00048031
++	str r1, [r0, #0x01C]
++	ldr r1, =0x15208030
++	str r1, [r0, #0x01C]
++	ldr r1, =0x04008040
++	str r1, [r0, #0x01C]
++	ldr r1, =0x00000800
++	str r1, [r0, #0x020]
++	ldr r1, =0x00000227
++	str r1, [r0, #0x818]
++	ldr r1, =0x0002552D
++	str r1, [r0, #0x004]
++	ldr r1, =0x00011006
++	str r1, [r0, #0x404]
++	ldr r1, =0x00000000
++	str r1, [r0, #0x01C]
++.endm
++
++.macro imx6ull_lpddr2_evk_setting
++	ldr r0, =IOMUXC_BASE_ADDR
++	ldr r1, =0x00080000
++	str r1, [r0, #0x4B4]
++	ldr r1, =0x00000000
++	str r1, [r0, #0x4AC]
++	ldr r1, =0x00000030
++	str r1, [r0, #0x27C]
++	str r1, [r0, #0x250]
++	str r1, [r0, #0x24C]
++	str r1, [r0, #0x490]
++	str r1, [r0, #0x288]
++
++	ldr r1, =0x00000000
++	str r1, [r0, #0x270]
++	str r1, [r0, #0x260]
++	str r1, [r0, #0x264]
++
++	ldr r1, =0x00000030
++	str r1, [r0, #0x4A0]
++
++	ldr r1, =0x00020000
++	str r1, [r0, #0x494]
++
++	ldr r1, =0x00003030
++	str r1, [r0, #0x280]
++	ldr r1, =0x00003030
++	str r1, [r0, #0x284]
++
++	ldr r1, =0x00020000
++	str r1, [r0, #0x4B0]
++
++	ldr r1, =0x00000030
++	str r1, [r0, #0x498]
++	str r1, [r0, #0x4A4]
++	str r1, [r0, #0x244]
++	str r1, [r0, #0x248]
++
++	ldr r0, =MMDC_P0_BASE_ADDR
++	ldr r1, =0x00008000
++	str r1, [r0, #0x1C]
++	ldr r1, =0x1b4700c7
++	str r1, [r0, #0x85c]
++	ldr r1, =0xA1390003
++	str r1, [r0, #0x800]
++	ldr r1, =0x23400A38
++	str r1, [r0, #0x890]
++	ldr r1, =0x00000800
++	str r1, [r0, #0x8b8]
++	ldr r1, =0x33333333
++	str r1, [r0, #0x81C]
++	str r1, [r0, #0x820]
++	ldr r1, =0xF3333333
++	str r1, [r0, #0x82C]
++	str r1, [r0, #0x830]
++	ldr r1, =0x20000000
++	str r1, [r0, #0x83C]
++	ldr r1, =0x40403439
++	str r1, [r0, #0x848]
++	ldr r1, =0x4040342D
++	str r1, [r0, #0x850]
++	ldr r1, =0x00921012
++	str r1, [r0, #0x8C0]
++	ldr r1, =0x00000800
++	str r1, [r0, #0x8B8]
++
++	ldr r1, =0x00020052
++	str r1, [r0, #0x004]
++	ldr r1, =0x00000000
++	str r1, [r0, #0x008]
++	ldr r1, =0x33374133
++	str r1, [r0, #0x00C]
++	ldr r1, =0x00100A82
++	str r1, [r0, #0x010]
++	ldr r1, =0x00170557
++	str r1, [r0, #0x038]
++	ldr r1, =0x00000093
++	str r1, [r0, #0x014]
++	ldr r1, =0x00201748
++	str r1, [r0, #0x018]
++	ldr r1, =0x0F9F26D2
++	str r1, [r0, #0x02C]
++	ldr r1, =0x009F0010
++	str r1, [r0, #0x030]
++	ldr r1, =0x00000047
++	str r1, [r0, #0x040]
++	ldr r1, =0x83100000
++	str r1, [r0, #0x000]
++	ldr r1, =0x00008010
++	str r1, [r0, #0x01C]
++	ldr r1, =0x003F8030
++	str r1, [r0, #0x01C]
++	ldr r1, =0xFF0A8030
++	str r1, [r0, #0x01C]
++	ldr r1, =0x82018030
++	str r1, [r0, #0x01C]
++	ldr r1, =0x04028030
++	str r1, [r0, #0x01C]
++	ldr r1, =0x01038030
++	str r1, [r0, #0x01C]
++	ldr r1, =0x00001800
++	str r1, [r0, #0x020]
++	ldr r1, =0x00000000
++	str r1, [r0, #0x818]
++	ldr r1, =0xA1310003
++	str r1, [r0, #0x800]
++	ldr r1, =0x00025552
++	str r1, [r0, #0x004]
++	ldr r1, =0x00011006
++	str r1, [r0, #0x404]
++	ldr r1, =0x00000000
++	str r1, [r0, #0x01C]
++.endm
++
++.macro imx6_clock_gating
++	ldr r0, =CCM_BASE_ADDR
++	ldr r1, =0xFFFFFFFF
++	str r1, [r0, #0x68]
++	str r1, [r0, #0x6C]
++	str r1, [r0, #0x70]
++	str r1, [r0, #0x74]
++	str r1, [r0, #0x78]
++	str r1, [r0, #0x7C]
++	str r1, [r0, #0x80]
++
++#ifdef CONFIG_IMX_OPTEE
++	ldr r0, =0x20e4024
++	ldr r1, =0x1
++	str r1, [r0]
++#endif
++.endm
++
++.macro imx6_qos_setting
++.endm
++
++.macro imx6_ddr_setting
++#if defined (CONFIG_TARGET_MX6ULL_9X9_EVK)
++	imx6ull_lpddr2_evk_setting
++#else
++	imx6ull_ddr3_evk_setting
++#endif
++.endm
++
++/* include the common plugin code here */
++#include <asm/arch/mx6_plugin.S>
+diff -Nuar -x tools uboot-imx/configs/igkboard-6ull_defconfig uboot-imx-lf-5.15.71-2.2.0/configs/igkboard-6ull_defconfig
+--- uboot-imx/configs/igkboard-6ull_defconfig	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/configs/igkboard-6ull_defconfig	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,113 @@
++CONFIG_ARM=y
++CONFIG_ARCH_MX6=y
++CONFIG_SYS_MALLOC_LEN=0x1000000
++CONFIG_NR_DRAM_BANKS=1
++CONFIG_SYS_MEMTEST_START=0x80000000
++CONFIG_SYS_MEMTEST_END=0x88000000
++CONFIG_ENV_SIZE=0x2000
++CONFIG_ENV_OFFSET=0xE0000
++CONFIG_IMX_CONFIG="board/lingyun/igkboard-6ull/imximage.cfg"
++CONFIG_SYS_PROMPT="[u-boot@igkboard]# "
++CONFIG_MX6ULL=y
++CONFIG_TARGET_LINGYUN_IGKBOARD_6ULL=y
++CONFIG_SYS_I2C_MXC_I2C1=y
++CONFIG_SYS_I2C_MXC_I2C2=y
++CONFIG_DM_GPIO=y
++CONFIG_DEFAULT_DEVICE_TREE="igkboard-6ull"
++CONFIG_SUPPORT_RAW_INITRD=y
++CONFIG_USE_BOOTCOMMAND=y
++CONFIG_BOOTDELAY=3
++# CONFIG_CONSOLE_MUX is not set
++CONFIG_SYS_CONSOLE_IS_IN_ENV=y
++CONFIG_BOARD_EARLY_INIT_F=y
++CONFIG_HUSH_PARSER=y
++CONFIG_CMD_BOOTZ=y
++# CONFIG_CMD_IMLS is not set
++CONFIG_CMD_MEMTEST=y
++CONFIG_CMD_GPIO=y
++CONFIG_CMD_I2C=y
++CONFIG_CMD_MMC=y
++CONFIG_CMD_SF=y
++CONFIG_CMD_USB=y
++CONFIG_CMD_DHCP=y
++CONFIG_CMD_PING=y
++CONFIG_CMD_BMP=y
++CONFIG_CMD_CACHE=y
++CONFIG_CMD_NET=y
++CONFIG_CMD_EXT2=y
++CONFIG_CMD_EXT4=y
++CONFIG_CMD_EXT4_WRITE=y
++CONFIG_CMD_FAT=y
++CONFIG_CMD_FS_GENERIC=y
++CONFIG_OF_CONTROL=y
++CONFIG_ENV_OVERWRITE=y
++CONFIG_ENV_IS_IN_MMC=y
++CONFIG_SYS_RELOC_GD_ENV_ADDR=y
++CONFIG_SYS_MMC_ENV_DEV=1
++CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
++CONFIG_BOUNCE_BUFFER=y
++CONFIG_DM_74X164=y
++CONFIG_DM_I2C=y
++CONFIG_SYS_I2C_MXC=y
++CONFIG_FSL_USDHC=y
++CONFIG_MTD=y
++CONFIG_DM_SPI_FLASH=y
++CONFIG_SF_DEFAULT_SPEED=40000000
++CONFIG_SPI_FLASH_STMICRO=y
++CONFIG_PHYLIB=y
++CONFIG_PHY_MICREL=y
++CONFIG_PHY_MICREL_KSZ8XXX=y
++CONFIG_DM_ETH=y
++CONFIG_DM_ETH_PHY=y
++CONFIG_FEC_MXC=y
++CONFIG_MII=y
++CONFIG_PINCTRL=y
++CONFIG_PINCTRL_IMX6=y
++CONFIG_DM_REGULATOR=y
++CONFIG_DM_REGULATOR_FIXED=y
++CONFIG_DM_REGULATOR_GPIO=y
++CONFIG_MXC_UART=y
++CONFIG_SPI=y
++CONFIG_DM_SPI=y
++CONFIG_FSL_QSPI=y
++CONFIG_SOFT_SPI=y
++CONFIG_IMX_THERMAL=y
++CONFIG_USB=y
++CONFIG_USB_STORAGE=y
++CONFIG_CMD_USB_MASS_STORAGE=y
++CONFIG_USB_HOST_ETHER=y
++CONFIG_USB_ETHER_ASIX=y
++CONFIG_DM_VIDEO=y
++CONFIG_VIDEO_LOGO=y
++CONFIG_SYS_WHITE_ON_BLACK=y
++CONFIG_VIDEO_MXS=y
++CONFIG_SPLASH_SCREEN=y
++CONFIG_SPLASH_SCREEN_ALIGN=y
++CONFIG_BMP_16BPP=y
++
++CONFIG_USB_GADGET=y
++CONFIG_USB_GADGET_DOWNLOAD=y
++CONFIG_USB_GADGET_MANUFACTURER="FSL"
++CONFIG_USB_GADGET_VENDOR_NUM=0x0525
++CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
++CONFIG_CI_UDC=y
++
++CONFIG_CMD_FASTBOOT=y
++CONFIG_USB_FUNCTION_FASTBOOT=y
++CONFIG_FASTBOOT_UUU_SUPPORT=y
++CONFIG_FASTBOOT=y
++CONFIG_FASTBOOT_BUF_ADDR=0x83800000
++CONFIG_FASTBOOT_BUF_SIZE=0x40000000
++CONFIG_FASTBOOT_FLASH=y
++CONFIG_EFI_PARTITION=y
++CONFIG_ARCH_MISC_INIT=y
++CONFIG_DM_RNG=y
++CONFIG_CMD_RNG=y
++CONFIG_FSL_DCP_RNG=y
++CONFIG_OF_SYSTEM_SETUP=y
++CONFIG_CMD_CRC32=y
++CONFIG_CRC32_VERIFY=y
++
++CONFIG_OF_LIBFDT_OVERLAY=y
++CONFIG_NET_RANDOM_ETHADDR=y
++CONFIG_DM_SERIAL=y
+diff -Nuar -x tools uboot-imx/drivers/fastboot/fb_fsl/fb_fsl_partitions.c uboot-imx-lf-5.15.71-2.2.0/drivers/fastboot/fb_fsl/fb_fsl_partitions.c
+--- uboot-imx/drivers/fastboot/fb_fsl/fb_fsl_partitions.c	2023-03-01 18:01:21.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/drivers/fastboot/fb_fsl/fb_fsl_partitions.c	2023-07-25 22:34:02.088832373 +0800
+@@ -188,6 +188,11 @@
+ 			user_partition = FASTBOOT_MMC_USER_PARTITION_ID;
+ 			boot_loader_psize = mmc->capacity_boot;
+ 		}
++		/* add by guowenxue to export mmc_no env */
++		env_set_ulong("mmc_no", mmc_no);
++		env_set_ulong("mmcdev", mmc_no);
++		env_set_ulong("emmc_dev", mmc_no);
++		env_set_ulong("emmc_ack", mmc_no);
+ 	} else {
+ 		printf("Can't setup partition table on this device %d\n",
+ 			fastboot_devinfo.type);
+diff -Nuar -x tools uboot-imx/drivers/net/phy/phy.c uboot-imx-lf-5.15.71-2.2.0/drivers/net/phy/phy.c
+--- uboot-imx/drivers/net/phy/phy.c	2023-03-01 18:01:21.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/drivers/net/phy/phy.c	2023-07-25 22:34:02.088832373 +0800
+@@ -182,6 +182,8 @@
+ {
+ 	int result;
+ 
++	phy_reset(phydev);
++
+ 	if (phydev->autoneg != AUTONEG_ENABLE)
+ 		return genphy_setup_forced(phydev);
+ 
+diff -Nuar -x tools uboot-imx/include/configs/igkboard-6ull.h uboot-imx-lf-5.15.71-2.2.0/include/configs/igkboard-6ull.h
+--- uboot-imx/include/configs/igkboard-6ull.h	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/include/configs/igkboard-6ull.h	2023-07-25 22:54:54.335601637 +0800
+@@ -0,0 +1,135 @@
++/* SPDX-License-Identifier: GPL-2.0+ */
++/*
++ * Copyright (C) 2023 LingYun IoT System Studio
++ *
++ * Configuration settings for LingYun IGKBoard(IoT Gateway Kits Board) based on i.MX6ULL
++ */
++#ifndef __IGKBOARD_6ULL_CONFIG_H
++#define __IGKBOARD_6ULL_CONFIG_H
++
++#include <asm/arch/imx-regs.h>
++#include <linux/sizes.h>
++#include <linux/stringify.h>
++#include "mx6_common.h"
++#include <asm/mach-imx/gpio.h>
++#include "imx_env.h"
++#include "igkboard-dtoverlay.h"
++
++#define is_mx6ull_9x9_evk()	CONFIG_IS_ENABLED(TARGET_MX6ULL_9X9_EVK)
++
++#ifdef CONFIG_TARGET_MX6ULL_9X9_EVK
++#define PHYS_SDRAM_SIZE		SZ_256M
++#define BOOTARGS_CMA_SIZE   "cma=96M "
++#else
++#define PHYS_SDRAM_SIZE		SZ_512M
++#define BOOTARGS_CMA_SIZE   ""
++/* DCDC used on 14x14 EVK, no PMIC */
++#undef CONFIG_LDO_BYPASS_CHECK
++#endif
++
++#define CONFIG_MXC_UART_BASE		UART1_BASE
++
++/* MMC Configs */
++#ifdef CONFIG_FSL_USDHC
++#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC2_BASE_ADDR
++
++/* NAND pin conflicts with usdhc2 */
++#ifdef CONFIG_NAND_MXS
++#define CONFIG_SYS_FSL_USDHC_NUM	1
++#else
++#define CONFIG_SYS_FSL_USDHC_NUM	2
++#endif
++
++#endif
++
++
++#ifdef CONFIG_NAND_BOOT
++#define MFG_NAND_PARTITION "mtdparts=gpmi-nand:64m(nandboot),16m(nandkernel),16m(nanddtb),16m(nandtee),-(nandrootfs)"
++#else
++#define MFG_NAND_PARTITION ""
++#endif
++
++#define CONFIG_CMD_READ
++#define CONFIG_SERIAL_TAG
++#define CONFIG_FASTBOOT_USB_DEV 0
++
++#define CONFIG_MFG_ENV_SETTINGS \
++	CONFIG_MFG_ENV_SETTINGS_DEFAULT \
++	"initrd_addr=0x86800000\0" \
++	"initrd_high=0xffffffff\0" \
++	"emmc_dev=1\0"\
++	"emmc_ack=1\0"\
++	"sd_dev=1\0" \
++	"mtdparts=" MFG_NAND_PARTITION \
++	"\0"\
++
++#define CONFIG_EXTRA_ENV_SETTINGS \
++	"console=ttymxc0\0" \
++    "upmode=fastboot 0\0" \
++	"envconf=config.txt\0" \
++	"image=zImage\0" \
++	"board=igkboard-6ull\0" \
++	"fdt_file=igkboard-6ull.dtb\0" \
++	"fdt_size=0x10000\0" \
++	"fdt_addr=0x83000000\0" \
++	"dtbo_addr=0x83010000\0" \
++	"dtbo_dir=overlays\0" \
++	"splashimage=0x8c000000\0" \
++    "ipaddr=192.168.2.22\0" \
++    "serverip=192.168.2.2\0" \
++    "mmcpart=1\0" \
++    "mmcargs=setenv bootargs console=${console},${baudrate} root=/dev/mmcblk${mmc_no}p2 rootwait rw net.ifnames=0\0" \
++    "loadenvconf=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${envconf};env import -t ${loadaddr} ${filesize}\0" \
++	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
++	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
++    "bootos=bootz ${loadaddr} - ${fdt_addr}\0" \
++	"mmcboot=mmc dev ${mmcdev};run mmcargs;run loadimage;run loadfdt;run bootos\0" \
++    "netboot=tftp $loadaddr $image; tftp $fdt_addr ${fdt_file}; run mmcargs; run bootos\0" \
++    "bbl=tftp ${loadaddr} u-boot-${board}.imx && mmc dev ${mmcdev} 1 && mmc write ${loadaddr} 2 0x800\0" \
++    "bdtb=tftp $fdt_addr $fdt_file && fatwrite mmc 1:1 $fdt_addr $fdt_file $filesize\0" \
++    "bker=tftp $loadaddr $image&& fatwrite mmc 1:1 $loadaddr $image $filesize\0" \
++    "bsys=run bdtb && run bker\0"
++
++#ifdef IGKBOARD_DTOVERLAY_SUPPORT
++#undef  CONFIG_BOOTCOMMAND
++#define CONFIG_BOOTCOMMAND      MMC_BOOT_WITH_FDT_OVERLAY
++#endif
++
++/* Miscellaneous configurable options */
++
++/* Physical Memory Map */
++#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
++
++#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
++#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
++#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
++
++#define CONFIG_SYS_INIT_SP_OFFSET \
++	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
++#define CONFIG_SYS_INIT_SP_ADDR \
++	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
++
++/* environment organization */
++#define CONFIG_SYS_MMC_ENV_DEV		1	/* USDHC2 */
++#define CONFIG_MMCROOT			"/dev/mmcblk1p2"  /* USDHC2 */
++
++#define CONFIG_IOMUX_LPSR
++
++/* USB Configs */
++#ifdef CONFIG_CMD_USB
++#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
++#define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
++#define CONFIG_MXC_USB_FLAGS   0
++#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
++#endif
++
++#define CONFIG_FEC_XCV_TYPE             RMII
++#define CONFIG_ETHPRIME			"eth1"
++
++#ifndef CONFIG_SPL_BUILD
++#if defined(CONFIG_DM_VIDEO)
++#define CONFIG_VIDEO_LINK
++#endif
++#endif
++
++#endif
+diff -Nuar -x tools uboot-imx/include/configs/igkboard-dtoverlay.h uboot-imx-lf-5.15.71-2.2.0/include/configs/igkboard-dtoverlay.h
+--- uboot-imx/include/configs/igkboard-dtoverlay.h	1970-01-01 08:00:00.000000000 +0800
++++ uboot-imx-lf-5.15.71-2.2.0/include/configs/igkboard-dtoverlay.h	2023-07-25 22:34:02.088832373 +0800
+@@ -0,0 +1,60 @@
++/* SPDX-License-Identifier: GPL-2.0+ */
++/*
++ * Copyright (C) 2023 LingYun IoT System Studio
++ *
++ */
++#ifndef __IGKBOARD_DTOVERLAY_H
++#define __IGKBOARD_DTOVERLAY_H
++
++#define IGKBOARD_DTOVERLAY_SUPPORT
++
++#define FDT_APPLY_OVERLAY()          \
++    "echo Applying DT overlay => ${dtbo_file}; " \
++    "fatload mmc ${mmcdev}:${mmcpart} ${dtbo_addr} ${dtbo_dir}/${dtbo_file}; " \
++    "fdt addr ${fdt_addr}; " \
++    "fdt resize ${fdt_size}; " \
++    "fdt apply ${dtbo_addr}; "
++
++#define CHECK_APPLY_OVERLAY( name )     \
++    "if env exists dtoverlay_" name " && test ${dtoverlay_" name "} = 1 -o ${dtoverlay_" name "} = yes ; then " \
++        "setenv dtbo_file " name ".dtbo; " \
++        FDT_APPLY_OVERLAY() \
++    "fi; "
++
++#define CHECK_APPLY_OVERLAYS_IDX( name )     \
++    "if env exists dtoverlay_" name "; then " \
++        "for i in ${dtoverlay_" name "}; do " \
++            "setenv dtbo_file " name "$i.dtbo; " \
++            FDT_APPLY_OVERLAY() \
++        " done;" \
++    "fi; "
++
++#define CHECK_APPLY_OVERLAYS_DTBO( name )     \
++    "if env exists dtoverlay_" name "; then " \
++        "for f in ${dtoverlay_" name "}; do " \
++            "setenv dtbo_file $f.dtbo; " \
++            FDT_APPLY_OVERLAY() \
++        " done;" \
++    "fi; "
++
++#define FDT_ENTRY_DEF_SETTINGS          \
++                CHECK_APPLY_OVERLAY("lcd") \
++                CHECK_APPLY_OVERLAY("cam") \
++                CHECK_APPLY_OVERLAY("w1") \
++                CHECK_APPLY_OVERLAY("adc") \
++                CHECK_APPLY_OVERLAYS_IDX("i2c") \
++                CHECK_APPLY_OVERLAYS_IDX("spi") \
++                CHECK_APPLY_OVERLAYS_IDX("uart") \
++                CHECK_APPLY_OVERLAYS_IDX("can") \
++                CHECK_APPLY_OVERLAYS_IDX("pwm") \
++                CHECK_APPLY_OVERLAYS_DTBO("extra") \
++
++
++#define MMC_BOOT_WITH_FDT_OVERLAY   \
++    "mmc dev ${mmcdev};"            \
++    "run mmcargs; run loadenvconf;" \
++    "run loadimage; run loadfdt; "  \
++    FDT_ENTRY_DEF_SETTINGS          \
++    "run bootos; "                 \
++
++#endif  /* __IGKBOARD_DTOVERLAY_H */
diff --git a/config.json b/config.json
new file mode 100644
index 0000000..8f3ca81
--- /dev/null
+++ b/config.json
@@ -0,0 +1,16 @@
+{
+    "bsp":
+    {
+        "board":"IGKBoard-6ULL",
+        "version":"lf-5.15.71-2.2.0",
+        "download":"http://main.iot-yun.club:2211/imx/",
+        "crosstool":"/opt/gcc-aarch32-10.3-2021.07/bin/arm-none-linux-gnueabihf-"
+    },
+    "system":
+    {
+        "distro":"yocto",
+        "version":"kirkstone",
+        "imgsize":"1024",
+        "bootsize":"100"
+    }
+}
diff --git a/images/build.sh b/images/build.sh
new file mode 100755
index 0000000..a3f5808
--- /dev/null
+++ b/images/build.sh
@@ -0,0 +1,301 @@
+#!/bin/bash
+
+# this project absolute path
+PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
+
+# top project absolute path
+TOP_PATH=$(realpath $PRJ_PATH/..)
+
+# binaries install path
+INST_PATH=$PRJ_PATH/install
+
+# download taballs path
+TARBALL_PATH=$PRJ_PATH/tarballs
+
+# config file path
+CONF_FILE=$TOP_PATH/config.json
+
+# shell script will exit once get command error
+set -e
+
+#+-------------------------+
+#| Shell script functions  |
+#+-------------------------+
+
+function pr_error() {
+    echo -e "\033[40;31m $1 \033[0m"
+}
+
+function pr_warn() {
+    echo -e "\033[40;33m $1 \033[0m"
+}
+
+function pr_info() {
+    echo -e "\033[40;32m $1 \033[0m"
+}
+
+# decompress a packet to destination path
+function do_unpack()
+{
+    tarball=$1
+    dstpath=`pwd`
+
+    if [[ $# == 2 ]] ; then
+        dstpath=$2
+    fi
+
+    pr_info "decompress $tarball => $dstpath"
+
+    mkdir -p $dstpath
+    case $tarball in
+        *.tar.gz)
+            tar -xzf $tarball -C $dstpath
+            ;;
+
+        *.tar.bz2)
+            tar -xjf $tarball -C $dstpath
+            ;;
+
+        *.tar.xz)
+            tar -xJf $tarball -C $dstpath
+            ;;
+
+        *.tar.zst)
+            tar -I zstd -xf $tarball -C $dstpath
+            ;;
+
+        *.tar)
+            tar -xf $tarball -C $dstpath
+            ;;
+
+        *.zip)
+            unzip -qo $tarball -d $dstpath
+            ;;
+
+        *)
+            pr_error "decompress Unsupport packet: $tarball"
+            return 1;
+            ;;
+    esac
+}
+
+# parser configure file and export environment variable
+function export_env()
+{
+    export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BSPVER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export URL=`jq -r ".bsp.download" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export DISTRO=`jq -r ".system.distro" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export DISVER=`jq -r ".system.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export IMAGE_SIZE=`jq -r ".system.imgsize" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BOOT_SIZE=`jq -r ".system.bootsize" $CONF_FILE | tr 'A-Z' 'a-z'`
+
+    export ROOTFS=rootfs-${DISTRO}-${DISVER}
+    export IMAGE_NAME=$BOARD-$DISTRO-$DISVER-$BSPVER.img
+
+
+    # i.MX6ULL only need build uboot-imx
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        # u-boot will be deployed in 2nd sector on eMMC/TFCard
+        export UBOOT_SECTOR=2
+
+    # i.MX8MP need build atf and u-boot
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        # u-boot will be deployed in 64th sector on eMMC/TFCard
+        export UBOOT_SECTOR=64
+
+    fi
+}
+
+function do_fetch()
+{
+    cd $PRJ_PATH
+
+    SRCS=$ROOTFS
+    SUFIX=tar.xz
+
+    if [ -d $ROOTFS/bin ] ; then
+        pr_info "$ROOTFS fetched already"
+        return ;
+    fi
+
+    if [ $DISTRO == yocto ] ; then
+        if [[ $YCT_VER != hardknott && $YCT_VER != honister ]] ; then
+            SUFIX=tar.zst
+        fi
+    fi
+
+    # Download source code packet
+    if [ ! -s $TARBALL_PATH/$ROOTFS.$SUFIX ] ; then
+        pr_info "start fetch $ROOTFS source code"
+        mkdir -p $TARBALL_PATH
+        wget $URL/bsp/rootfs/$BOARD/$ROOTFS.$SUFIX -P $TARBALL_PATH
+    fi
+
+    # decompress source code packet
+    mkdir -p $ROOTFS
+    do_unpack $TARBALL_PATH/$ROOTFS.$SUFIX $ROOTFS
+}
+
+# System image layout map:
+# +-------------------+--------------------+----------------------+
+# | Raw Part(10MB)    | FAT32 Part2(100MB) | EXT4 Part3(All left) |
+# +-------------------+--------------------+----------------------+
+# | U-boot on #2/#64  |   Kernel and DTB   |   Root file system   |
+# +-------------------+--------------------+----------------------+
+
+function build_image()
+{
+    UBOOT_SIZE=10
+    UBOOT_BINPATH=$TOP_PATH/bootloader/install/
+    KERNEL_BINPATH=$TOP_PATH/kernel/install/
+
+    export LOOP_DEV=`losetup  -f | cut -d/ -f3`
+    export MNT_POINT=$PRJ_PATH/mnt
+
+
+    pr_warn "Build $DISTRO-$DISVER system image"
+
+    pr_info "start generate empty system image"
+    dd if=/dev/zero of=${IMAGE_NAME} bs=1024k count=${IMAGE_SIZE} conv=sync
+    chmod a+x ${IMAGE_NAME}
+
+    pr_info "start partition system image"
+    fat_start=$UBOOT_SIZE
+    fat_end=`expr $UBOOT_SIZE + $BOOT_SIZE`
+    parted ${IMAGE_NAME} mklabel msdos
+    parted ${IMAGE_NAME} mkpart primary fat32 ${fat_start}M ${fat_end}M
+    parted ${IMAGE_NAME} mkpart primary ext4 ${fat_end}M 100%
+    sync
+
+    pr_info "losetup system image on $LOOP_DEV"
+    losetup /dev/${LOOP_DEV}  ${IMAGE_NAME}
+    kpartx -av /dev/${LOOP_DEV}
+
+    pr_info "start format system image"
+    mkfs.vfat /dev/mapper/${LOOP_DEV}p1
+    mkfs.ext4 /dev/mapper/${LOOP_DEV}p2
+    sync
+
+    pr_info "start install u-boot image"
+    dd if=$UBOOT_BINPATH/u-boot-${BOARD}.imx of=${IMAGE_NAME} bs=512 seek=66 conv=notrunc,sync
+
+    pr_info "start install linux kernel images"
+    mkdir -p $MNT_POINT
+
+    mount -t vfat /dev/mapper/${LOOP_DEV}p1 ${MNT_POINT}
+    cp -rf $KERNEL_BINPATH/zImage       ${MNT_POINT}/
+    cp -rf $KERNEL_BINPATH/${BOARD}.dtb ${MNT_POINT}/
+    cp -rf $KERNEL_BINPATH/overlays/    ${MNT_POINT}/
+    cp -rf files/config-${BOARD}.txt    ${MNT_POINT}/config.txt
+    sync && umount ${MNT_POINT}
+
+    pr_info "update drivers in root filesystem"
+    rm -rf $ROOTFS/lib/modules/
+    mkdir -p $ROOTFS/lib/modules/
+    cp -rf $KERNEL_BINPATH/lib/* $ROOTFS/lib/
+
+    pr_info "start install root filesystem"
+    mount -t ext4 /dev/mapper/${LOOP_DEV}p2 ${MNT_POINT}
+    cp -af $ROOTFS/*                    ${MNT_POINT}
+    cp -rf files/pinctrl-${BOARD}       ${MNT_POINT}/usr/sbin/pinctrl
+    cp -rf files/pinloop                ${MNT_POINT}/usr/sbin/
+    cp -rf files/expand_rootfs          ${MNT_POINT}/usr/sbin/
+    chmod +x ${MNT_POINT}/usr/sbin/pinctrl
+    chmod +x ${MNT_POINT}/usr/sbin/pinloop
+    chmod +x ${MNT_POINT}/usr/sbin/expand_rootfs
+    sync && umount ${MNT_POINT}
+
+    pr_warn "Build $DISTRO-$DISVER system image down"
+}
+
+function exit_handler()
+{
+    pr_warn "Shell script exit now, do some clean work\n"
+    set +e
+
+    if mountpoint ${MNT_POINT} > /dev/null 2>&1 ; then
+        pr_info "umount ${MNT_POINT}"
+        umount ${MNT_POINT} > /dev/null 2>&1
+    fi
+
+    rm -rf ${MNT_POINT}
+
+    if [ -z ${LOOP_DEV} ] ; then
+        return ;
+    fi
+
+    if [ -e /dev/mapper/${LOOP_DEV}p1 ] ; then
+        pr_info "kpartx -dv /dev/${LOOP_DEV}"
+        kpartx -dv /dev/${LOOP_DEV}
+    fi
+
+    losetup -a | grep "${LOOP_DEV}" > /dev/null 2>&1
+    if [ $? == 0 ]  ; then
+        pr_info "losetup -d /dev/${LOOP_DEV}"
+        losetup -d /dev/${LOOP_DEV}
+    fi
+}
+
+function do_build()
+{
+    cd $PRJ_PATH
+
+    build_image
+}
+
+function do_install()
+{
+    cd $PRJ_PATH
+
+    mkdir -p $INST_PATH
+    cp $UBOOT_BINPATH/u-boot-${BOARD}.imx $INST_PATH
+    mv $IMAGE_NAME $INST_PATH
+
+    pr_info "\nsystem images installed to '$INST_PATH'"
+    ls $INST_PATH && echo ""
+}
+
+function do_clean()
+{
+    for d in rootfs-*
+    do
+        rm -rf $PRJ_PATH/$d
+    done
+
+    rm -rf $INST_PATH
+    rm -f *.img
+    rm -rf $TARBALL_PATH
+}
+
+#+-------------------------+
+#| Shell script body entry |
+#+-------------------------+
+
+if [ `id -u` != 0 ] ; then
+    pr_error "ERROR: This shell script must run as root"
+    exit;
+fi
+
+cd $PRJ_PATH
+
+export_env
+
+if [[ $# == 1 && $1 == -c ]] ;then
+    pr_warn "start clean system image"
+    do_clean
+    exit;
+fi
+
+pr_warn "start build $DISTRO-$DISVER for ${BOARD}"
+
+trap 'exit_handler' EXIT
+
+do_fetch
+
+do_build
+
+do_install
+
diff --git a/images/files/config-igkboard-6ull.txt b/images/files/config-igkboard-6ull.txt
new file mode 100644
index 0000000..d23b6fd
--- /dev/null
+++ b/images/files/config-igkboard-6ull.txt
@@ -0,0 +1,29 @@
+# Enable LCD overlay
+#dtoverlay_lcd=yes
+
+# Enable Camera overlay
+#dtoverlay_cam=yes
+
+# Eanble 1-Wire overlay
+#dtoverlay_w1=yes
+
+# Enable ADC overlay
+#dtoverlay_adc=yes
+
+# Enable I2C overlay
+#dtoverlay_i2c=1
+
+# Enable SPI overlay, SPI1 conflict with UART8(NB-IoT/4G module)
+#dtoverlay_spi=1
+
+# Enable UART overlays
+#dtoverlay_uart=2 3 4 7
+
+# Enable CAN overlays
+#dtoverlay_can=1 2
+
+# Enable PWM overlays, PWM8 conflict with UART8(NB-IoT/4G module)
+#dtoverlay_pwm=7
+
+# Enable extra overlays
+#dtoverlay_extra=nbiot-4g
diff --git a/images/files/expand_rootfs b/images/files/expand_rootfs
new file mode 100755
index 0000000..f466123
--- /dev/null
+++ b/images/files/expand_rootfs
@@ -0,0 +1,37 @@
+#!/bin/sh
+#
+# Copyright (C) 2022 LingYun IoT System Studio
+# Author: Guo Wenxue<guowenxue@gmail.com>
+#
+# This shell script used to expand rootfs partition size to whole TF card space
+#
+
+set -e
+set -u
+
+# find the root partition information
+ROOT_PART="$(mount | sed -n 's|^/dev/\(.*\) on / .*|\1|p')"
+ROOT_DEV="/dev/$(lsblk -no pkname /dev/${ROOT_PART})"
+PART_DEV="$(lsblk ${ROOT_DEV} | grep -w "\/" | grep mmcblk | awk '{print $1}' | cut -d- -f2)"
+PART_NUM="$(echo ${PART_DEV} | cut -dp -f2)"
+
+# Get the starting offset of the root partition
+PART_START=$(fdisk -l $ROOT_DEV | grep $PART_DEV | awk '{print $2}')
+[ "$PART_START" ] || return 1 ;
+
+fdisk "$ROOT_DEV" > /dev/null 2>&1 <<EOF
+p
+d
+$PART_NUM
+n
+p
+$PART_NUM
+$PART_START
+
+p
+w
+EOF
+
+resize2fs /dev/$ROOT_PART > /dev/null 2>&1
+
+echo "Expand rootfs size successfully, it will be enlarged upon the next reboot."
diff --git a/images/files/pinctrl-igkboard-6ull b/images/files/pinctrl-igkboard-6ull
new file mode 100755
index 0000000..938a084
--- /dev/null
+++ b/images/files/pinctrl-igkboard-6ull
@@ -0,0 +1,143 @@
+# This shell script used to control GPIO port on IGKBoard
+
+direction=out
+sysdir=/sys/class/gpio/
+pinbase=0
+groupin=32
+
+pinnum=
+pindir=
+action=
+
+set -u
+
+# RedLed: GPIO01_IO11  GreenLed: GPIO01_IO10 BlueLed: GPIO05_IO09
+function usage()
+{
+   echo "Show pinmap Usage: $0 [-v]"
+   echo "Output set  Usage: $0 GPIO01_IO11 [1/0]"
+   echo "Input read  Usage: $0 [-i] GPIO01_IO11"
+   echo "Unexport    Usage: $0 [-u] GPIO01_IO11"
+   exit;
+}
+
+function show_pinmap()
+{
+   echo "
++-------------+-------------+---IGKBoard---+-------------+-------------+
+|    GPIO     |     Name    |   Physical  |     Name    |    GPIO     |
++-------------+-------------+-----++------+-------------+-------------+
+|     3.3v    |     3.3v    |   1 ||  2   |     5v      |     5v      |
+|  GPIO1_IO03 |   I2C1_SDA  |   3 ||  4   |     5v      |     5v      |
+|  GPIO1_IO02 |   I2C1_SCL  |   5 ||  6   |     GND     |     GND     |
+|  GPIO1_IO18 |      W1     |   7 ||  8   |  UART2_TX   |  GPIO1_IO20 |
+|     GND     |     GND     |   9 ||  10  |  UART2_RX   |  GPIO1_IO21 |
+|  GPIO1_IO24 |   UART3_TX  |  11 ||  12  |  UART3_RX   |  GPIO1_IO25 |
+|  GPIO1_IO28 |   UART4_TX  |  13 ||  14  |     GND     |     GND     |
+|  GPIO1_IO29 |   UART4_RX  |  15 ||  16  |  UART7_TX   |  GPIO3_IO21 |
+|     3.3v    |     3.3v    |  17 ||  18  |  UART7_RX   |  GPIO3_IO22 |
+|  GPIO3_IO27 |   SPI1_MOSI |  19 ||  20  |     GND     |     GND     |
+|  GPIO3_IO28 |   SPI1_MISO |  21 ||  22  |     GPIO    |  GPIO3_IO23 |
+|  GPIO3_IO25 |   SPI1_SCLK |  23 ||  24  |  SPI1_SS0   |  GPIO3_IO26 |
+|     GND     |     GND     |  25 ||  26  |     GPIO    |  GPIO3_IO24 |
+|  GPIO1_IO26 |   CAN1_TX   |  27 ||  28  |     PWM8    |  GPIO1_IO15 |
+|  GPIO1_IO27 |   CAN1_RX   |  29 ||  30  |     GND     |     GND     |
+|  GPIO1_IO22 |   CAN2_TX   |  31 ||  32  |     PWM7    |  GPIO1_IO14 |
+|  GPIO1_IO23 |   CAN2_RX   |  33 ||  34  |     GND     |     GND     |
+|  GPIO5_IO01 |     GPIO    |  35 ||  36  |     GPIO    |  GPIO1_IO11 |
+|  GPIO5_IO08 |     GPIO    |  37 ||  38  |     GPIO    |  GPIO1_IO10 |
+|     GND     |     GND     |  39 ||  40  |     GPIO    |  GPIO5_IO09 |
++-------------+-------------+---IGKBoard--+-------------+-------------+
+|    GPIO     |     Name    |   Physical  |     Name    |    GPIO     |
++-------------+-------------+-----++------+-------------+-------------+
+"
+   exit 0;
+}
+
+function calc_pinum()
+{
+   pinstr=$1
+
+   group=`echo $pinstr | cut -d_ -f1 | tr -cd "[0-9]"`
+   pin=`echo $pinstr | cut -d_ -f2 | tr -cd "[0-9]"`
+
+
+   group=`expr $group \- 1`
+   pinum=`expr $group \* $groupin + $pin + $pinbase`
+   pindir=$sysdir/gpio$pinum
+
+   #echo "INFO: GPIO $pinstr map to pinum[$pinum]"
+}
+
+function export_gpio()
+{
+    if [ -e $pindir ] ; then
+       return ;
+    fi
+
+    echo $pinum > $sysdir/export
+}
+
+function unexport_gpio()
+{
+    if [ ! -e $pindir ] ; then
+       return ;
+    fi
+
+    echo $pinum > $sysdir/unexport
+}
+
+function set_gpio()
+{
+    echo out > $pindir/direction
+    echo $1 > $pindir/value
+}
+
+function read_gpio()
+{
+    echo in > $pindir/direction
+    cat $pindir/value
+}
+
+if [[ $# -lt 1 ]] ; then
+   usage;
+fi
+
+while getopts "iuvh" OPTNAME
+do
+    case "${OPTNAME}" in
+        "i")
+           direction=in
+           shift
+           ;;
+
+        "u")
+           action=unexport;
+           shift
+           ;;
+
+        "v")
+           show_pinmap;
+           shift
+           ;;
+
+        "h")
+           usage;
+           ;;
+    esac
+done
+
+calc_pinum $1
+
+if [[ $action == unexport ]] ; then
+   unexport_gpio
+   exit;
+fi
+
+export_gpio
+
+if [[ $direction == in ]] ; then
+   read_gpio
+else
+   set_gpio $2
+fi
diff --git a/images/files/pinloop b/images/files/pinloop
new file mode 100755
index 0000000..dbfdc5b
--- /dev/null
+++ b/images/files/pinloop
@@ -0,0 +1,42 @@
+#!/bin/sh
+# 40 Pin Header GPIO loop test script, it based on pinctrl shell script
+
+function loop_test()
+{
+   if [[ $# != 3 ]] ; then
+      echo "ERROR: Invalid input arguments"
+      return 1;
+   fi
+
+   level=$3
+   pinctrl $1 $level
+   res=`pinctrl -i $2`
+
+   printf "$1 out [$level] --> $2 in [$res] : "
+   if [[ $level == $res ]]  ; then
+      printf " [  OK  ]\n"
+   else
+      printf " [ FAIL ]\n"
+      exit 1;
+   fi
+}
+
+
+if [[ $# != 2 ]] ; then
+   echo ""
+   echo "Usage  : $0 Pin1 Pin2"
+   echo "Example: $0 GPIO1_IO10 GPIO1_IO11"
+   echo ""
+   echo "You can check pinmap by 'pinctrl -v' "
+   echo ""
+   exit;
+fi
+
+
+loop_test $1 $2 1
+loop_test $1 $2 0
+
+loop_test $2 $1 1
+loop_test $2 $1 0
+
+exit 0;
diff --git a/kernel/build.sh b/kernel/build.sh
new file mode 100755
index 0000000..ed540c8
--- /dev/null
+++ b/kernel/build.sh
@@ -0,0 +1,292 @@
+#!/bin/bash
+
+# this project absolute path
+PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
+
+# top project absolute path
+TOP_PATH=$(realpath $PRJ_PATH/..)
+
+# binaries install path
+INST_PATH=$PRJ_PATH/install
+
+# download taballs path
+TARBALL_PATH=$PRJ_PATH/tarballs
+
+# config file path
+CONF_FILE=$TOP_PATH/config.json
+
+# shell script will exit once get command error
+set -e
+
+#+-------------------------+
+#| Shell script functions  |
+#+-------------------------+
+
+function pr_error() {
+    echo -e "\033[40;31m $1 \033[0m"
+}
+
+function pr_warn() {
+    echo -e "\033[40;33m $1 \033[0m"
+}
+
+function pr_info() {
+    echo -e "\033[40;32m $1 \033[0m"
+}
+
+# parser configure file and export environment variable
+function export_env()
+{
+    export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export URL=`jq -r ".bsp.download" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export CROSS_COMPILE=`jq -r ".bsp.crosstool" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
+    export KER_PATH=$PRJ_PATH/linux-imx
+
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        export ARCH=arm
+        export SRCS="linux-imx"
+
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        export ARCH=arm64
+        export SRCS="linux-imx"
+
+    else
+
+        pr_error "\nERROR: Unknow board name $BOARD"
+        exit;
+
+    fi
+}
+
+# decompress a packet to destination path
+function do_unpack()
+{
+    tarball=$1
+    dstpath=`pwd`
+
+    if [[ $# == 2 ]] ; then
+        dstpath=$2
+    fi
+
+    pr_info "decompress $tarball => $dstpath"
+
+    mkdir -p $dstpath
+    case $tarball in
+        *.tar.gz)
+            tar -xzf $tarball -C $dstpath
+            ;;
+
+        *.tar.bz2)
+            tar -xjf $tarball -C $dstpath
+            ;;
+
+        *.tar.xz)
+            tar -xJf $tarball -C $dstpath
+            ;;
+
+        *.tar.zst)
+            tar -I zstd -xf $tarball -C $dstpath
+            ;;
+
+        *.tar)
+            tar -xf $tarball -C $dstpath
+            ;;
+
+        *.zip)
+            unzip -qo $tarball -d $dstpath
+            ;;
+
+        *)
+            pr_error "decompress Unsupport packet: $tarball"
+            return 1;
+            ;;
+    esac
+}
+
+function do_fetch()
+{
+    mkdir -p $TARBALL_PATH
+    cd $PRJ_PATH
+
+    for src in $SRCS
+    do
+        if [ -d $src ] ; then
+            pr_info "$src fetched already"
+            continue
+        fi
+
+        # Download source code packet
+        if [ ! -s $TARBALL_PATH/$src.tar.xz ] ; then
+            pr_info "start fetch $src source code"
+            wget $URL/bsp/$BSP_VER/$src.tar.xz -P $TARBALL_PATH
+        fi
+
+        # decompress source code packet
+        do_unpack $TARBALL_PATH/$src.tar.xz
+
+        # do patch if patch file exist
+        patch_path=$PRJ_PATH/patches/$BOARD
+        patch_file=$patch_path/${src}-${BSP_VER}.patch
+        if [ -f $patch_file ] ; then
+            pr_info "found and patch for $src"
+            patch -p0 < $patch_file
+        fi
+
+    done
+
+    rm -f *.tar.*
+}
+
+
+function build_kernel()
+{
+    SRC=linux-imx
+
+    pr_info "Start build linux kernel source code"
+    cd $PRJ_PATH/${SRC}
+
+    if [ ! -s .config ] ; then
+        make ARCH=${ARCH} ${BOARD}_defconfig
+    fi
+
+    make ARCH=${ARCH} CROSS_COMPILE=${CROSS_COMPILE} -j ${JOBS}
+}
+
+function build_driver_wifi()
+{
+    cd $PRJ_PATH/drivers
+
+    if [[ $BOARD =~ 6ull ]] ; then
+        SRC=rtl8188fu
+
+        pr_info "Start build $SRC driver for $BOARD"
+
+        if [ ! -d $SRC ] ; then
+            if [ ! -s $TARBALL_PATH/$SRC.tar.xz ] ; then
+                pr_info "start fetch $SRC source code"
+                wget $URL/bsp/misc/$SRC.tar.xz -P $TARBALL_PATH
+            fi
+
+            do_unpack $TARBALL_PATH/$SRC.tar.xz
+        fi
+
+        cd $SRC
+
+        # Remove noisy debug print information
+        sed -i "s|^#define CONFIG_DEBUG|//#define CONFIG_DEBUG|g" include/autoconf.h
+        sed -i "/nolinked power/d" core/rtw_pwrctrl.c
+        sed -i "/request firmware/d" hal/rtl8188f/rtl8188f_hal_init.c
+
+        make KSRC=$KER_PATH M=$PWD -j ${JOBS}
+        make -C $KER_PATH M=$PWD modules_install INSTALL_MOD_PATH=$INST_PATH INSTALL_MOD_STRIP=1
+
+        mkdir -p $INST_PATH/lib/firmware/rtlwifi/
+        cp firmware/rtl8188fufw.bin $INST_PATH/lib/firmware/rtlwifi/
+    fi
+}
+
+function build_driver_user()
+{
+    cd $PRJ_PATH/drivers/user
+
+    pr_info "Start build user driver for $BOARD"
+    make -C $KER_PATH M=$PWD
+    make -C $KER_PATH M=$PWD modules_install INSTALL_MOD_PATH=$INST_PATH INSTALL_MOD_STRIP=1
+}
+
+function install_drv_kernel()
+{
+    # Install linux kernel modules
+
+    cd $KER_PATH
+    make ARCH=${ARCH} CROSS_COMPILE=${CROSS_COMPILE} modules_install INSTALL_MOD_PATH=$INST_PATH INSTALL_MOD_STRIP=1
+}
+
+function build_driver()
+{
+    install_drv_kernel
+
+    build_driver_user
+
+    build_driver_wifi
+}
+
+function do_install()
+{
+    pr_info "Start install linux kernel images"
+
+    # Cleanup install path
+    if [ -d $INST_PATH ] ; then
+        rm -rf $INST_PATH/*
+    fi
+    mkdir -p $INST_PATH/overlays
+    cd $KER_PATH
+
+    # Install system image and device tree binaries
+    if [[ $BOARD =~ 6ull ]] ; then
+        set -x
+        cp arch/${ARCH}/boot/zImage $INST_PATH
+        cp arch/${ARCH}/boot/dts/${BOARD}.dtb $INST_PATH
+        cp arch/${ARCH}/boot/dts/${BOARD}/*.dtbo $INST_PATH/overlays
+        set +x
+    elif [[ $BOARD =~ 8mp ]] ; then
+        set -x
+        cp arch/${ARCH}/boot/Image $INST_PATH
+        cp arch/${ARCH}/boot/dts/freescale/${BOARD}.dtb $INST_PATH
+        cp arch/${ARCH}/boot/dts/freescale/${BOARD}/*.dtbo $INST_PATH/overlays
+        set +x
+    fi
+
+    # List install information
+    pr_info "\nlinux kernel installed to '$INST_PATH'"
+    ls $INST_PATH && echo ""
+}
+
+function do_build()
+{
+    cd $PRJ_PATH
+
+    build_kernel
+
+    do_install
+
+    build_driver
+}
+
+function do_clean()
+{
+    cd $PRJ_PATH
+
+    for d in $SRCS
+    do
+        rm -rf $PRJ_PATH/$d
+    done
+
+    rm -rf drivers/rtl8188fu/
+    rm -rf $TARBALL_PATH
+    rm -rf $INST_PATH
+}
+
+#+-------------------------+
+#| Shell script body entry |
+#+-------------------------+
+
+cd $PRJ_PATH
+
+export_env
+
+if [[ $# == 1 && $1 == -c ]] ;then
+    pr_warn "start clean linux kernel"
+    do_clean
+    exit;
+fi
+
+pr_warn "start build linux kernel for ${BOARD}"
+
+do_fetch
+
+do_build
diff --git a/kernel/drivers/user/Makefile b/kernel/drivers/user/Makefile
new file mode 100644
index 0000000..3b236cf
--- /dev/null
+++ b/kernel/drivers/user/Makefile
@@ -0,0 +1,37 @@
+#*********************************************************************************
+#      Copyright:  (C) 2021 LingYun IoT System Studio
+#                  All rights reserved.
+#
+#       Filename:  Makefile
+#    Description:  This Makefile used to compile all the drivers here
+#
+#        Version:  1.0.0(18/12/2021~)
+#                  Author:  Guo Wenxue <guowenxue@gmail.com>
+#      ChangeLog:  1, Release initial version on "18/12/2021 01:29:33 PM"
+#
+#********************************************************************************/
+
+LINUX_SRC ?= ${shell pwd}/../../linux-imx/
+INST_PATH ?= ${shell pwd}/../../install
+
+EXTRA_INSTPATH=/tftp
+
+PWD := $(shell pwd)
+
+obj-m += hello.o
+
+modules:
+	@echo ${LINUX_SRC}
+	@make -C $(LINUX_SRC) M=$(PWD) modules
+	@make -C $(LINUX_SRC) M=$(PWD) modules_install INSTALL_MOD_PATH=${INST_PATH} INSTALL_MOD_STRIP=1
+	@make clear
+
+install:
+	cp -af *.ko ${EXTRA_INSTPATH}
+
+clear:
+	@rm -f *.o *.mod* .*.cmd *.symvers *.order
+
+clean: clear
+	@rm -f  *.ko
+
diff --git a/kernel/drivers/user/hello.c b/kernel/drivers/user/hello.c
new file mode 100644
index 0000000..49acb63
--- /dev/null
+++ b/kernel/drivers/user/hello.c
@@ -0,0 +1,35 @@
+/*********************************************************************************
+ *      Copyright:  (C) 2021 LingYun IoT System Studio <www.weike-iot.com>
+ *                  All rights reserved.
+ *
+ *       Filename:  hello.c
+ *    Description:  This file is the linux kernel sample hello module 
+ *                 
+ *        Version:  1.0.0(18/12/2021~)
+ *         Author:  Guo Wenxue <guowenxue@gmail.com>
+ *      ChangeLog:  1, Release initial version on "18/12/2021 10:50:26 AM"
+ *                 
+ ********************************************************************************/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+static __init int hello_init(void)
+{
+    printk(KERN_ALERT "Hello, LingYun IoT System Studio!\n");
+    return 0;
+}
+
+static __exit void hello_exit(void)
+{
+    printk(KERN_ALERT "Goodbye, I have found a good job!\n");
+}
+
+module_init(hello_init);
+module_exit(hello_exit);
+
+MODULE_AUTHOR("GuoWenxue <guowenxue@gmail.com>");
+MODULE_DESCRIPTION("Linux Kernel hello module");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_INFO(intree, "Y");
diff --git a/kernel/patches/gen_patch.sh b/kernel/patches/gen_patch.sh
new file mode 100755
index 0000000..048baf0
--- /dev/null
+++ b/kernel/patches/gen_patch.sh
@@ -0,0 +1,105 @@
+#!/bin/bash
+# Description: This shell script used to generate patch file
+#      Author: guowenxue <guowenxue@gmail.com>
+#     Version: 1.0.0
+
+# this project absolute path
+PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}")/.. && pwd)
+
+# top project absolute path
+TOP_PATH=$(realpath $PRJ_PATH/..)
+
+# download taballs path
+TARBALL_PATH=$PRJ_PATH/tarballs
+
+# config file path
+CONF_FILE=$TOP_PATH/config.json
+
+# patch file path
+PATCH_PATH=${PRJ_PATH}/patches
+
+# shell script will exit once get command error
+#set -e
+
+#+-------------------------+
+#| Shell script functions  |
+#+-------------------------+
+
+function pr_error() {
+    echo -e "\033[40;31m $1 \033[0m"
+}
+
+function pr_warn() {
+    echo -e "\033[40;33m $1 \033[0m"
+}
+
+function pr_info() {
+    echo -e "\033[40;32m $1 \033[0m"
+}
+
+# parser configure file and export environment variable
+function export_env()
+{
+    export SRC=$(basename $1)
+    export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export CROSS_COMPILE=`jq -r ".bsp.crosstool" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
+    export PATCH=$SRC-$BSP_VER
+
+    if [[ $BOARD =~ 6ull ]] ; then
+
+        export ARCH=arm
+
+    elif [[ $BOARD =~ 8mp ]] ; then
+
+        export ARCH=arm64
+
+    fi
+}
+
+function do_prepare()
+{
+    cd $PRJ_PATH
+
+    if [ ! -d $SRC ] ;  then
+        pr_error "\nERROR: source code $SRC not exist, exit now\n\n"
+        exit;
+    fi
+
+    pr_info "cleanup $SRC soruce code packet"
+    cd $SRC
+    make ARCH=$ARCH distclean -j $JOBS
+    cd -
+
+    mv $SRC $PATCH
+
+    pr_info "decompress orignal soruce code packet"
+    tar -xJf $TARBALL_PATH/$SRC.tar.xz
+}
+
+function do_patch()
+{
+    pr_info "generate patch file"
+
+    if [[ $SRC =~ linux ]] ; then
+        diff -Nuar --no-dereference $SRC $PATCH > $PATCH.patch
+    elif [[ $SRC =~ uboot ]] ; then
+        diff -Nuar -x "tools" $SRC $PATCH > $PATCH.patch
+    fi
+
+    pr_info "recovery $SRC soruce code"
+    rm -rf ${SRC}
+    mv $PATCH ${SRC}
+}
+
+if [ $# != 1 ] ; then
+    pr_info "$0 usage example:"
+    pr_info "$0 uboot-imx/"
+    pr_info "$0 linux-imx/"
+    exit
+fi
+
+export_env $1
+do_prepare
+do_patch
diff --git a/kernel/patches/igkboard-6ull/linux-imx-lf-5.15.71-2.2.0.patch b/kernel/patches/igkboard-6ull/linux-imx-lf-5.15.71-2.2.0.patch
new file mode 100644
index 0000000..4a3d021
--- /dev/null
+++ b/kernel/patches/igkboard-6ull/linux-imx-lf-5.15.71-2.2.0.patch
@@ -0,0 +1,1927 @@
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/adc.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/adc.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/adc.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/adc.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,27 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, ADC interfaces */
++
++&adc1 {
++    pinctrl-names = "default";
++    pinctrl-0 = <&pinctrl_adc1>;
++    num-channels = <5>;
++    vref-supply = <&reg_peri_3v3>;
++    status = "okay";
++};
++
++&iomuxc {
++    pinctrl_adc1: adc1grp {
++        fsl,pins = <
++            MX6UL_PAD_GPIO1_IO01__GPIO1_IO01        0xb0 /* ADC1_1 --->TS_YN */
++            MX6UL_PAD_GPIO1_IO04__GPIO1_IO04        0xb0 /* ADC1_4 --->TS_XP */
++        >;
++    };
++};
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/cam.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/cam.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/cam.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/cam.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,24 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++/* MIPI-DSI2 camera overlay */
++
++&pxp { /* Pixel Pipeline (PXP) is a memory-to-memory graphics processing */
++	status = "okay";
++};
++
++&csi {
++	status = "okay";
++};
++
++&i2c2 {
++	ov5640@3c {
++		status = "okay";
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/can1.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/can1.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/can1.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/can1.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,28 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, CAN1 interfaces */
++
++&can1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_flexcan1>;
++	xceiver-supply = <&reg_can_3v3>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_flexcan1: flexcan1grp{
++		fsl,pins = <
++			MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX	0x1b020
++			MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX	0x1b020
++		>;
++	};	
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/can2.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/can2.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/can2.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/can2.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,28 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, CAN2 interfaces */
++
++&can2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_flexcan2>;
++	xceiver-supply = <&reg_can_3v3>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_flexcan2: flexcan2grp{
++		fsl,pins = <
++			MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX	0x1b020
++			MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX	0x1b020
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/i2c1.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/i2c1.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/i2c1.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/i2c1.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,28 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, I2C1 interfaces */
++
++&i2c1 {
++	clock-frequency = <100000>;
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_i2c1>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_i2c1: i2c1grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO02__I2C1_SCL	0x4001b8b0
++			MX6UL_PAD_GPIO1_IO03__I2C1_SDA	0x4001b8b0
++		>;
++	};	
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/lcd.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/lcd.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/lcd.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/lcd.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,82 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/clock/imx6ul-clock.h>
++#include "../imx6ul-pinfunc.h"
++
++/* LCD DRM display overlay */
++
++&backlight_lcd {
++	status = "okay";
++};
++
++&i2c2 {
++	gt9xx@5d {
++		status = "okay";
++	};
++};
++
++&lcdif {
++	assigned-clocks = <&clks IMX6UL_CLK_LCDIF_PRE_SEL>;
++	assigned-clock-parents = <&clks IMX6UL_CLK_PLL5_VIDEO_DIV>;
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>;
++	status = "okay";
++
++	port {
++		display_output: endpoint {
++			remote-endpoint = <&panel_input>;
++		};
++	};
++};
++
++&panel {
++	compatible = "lingyun,igkboard-6ull-panel", "panel-simple";
++	backlight = <&backlight_lcd>;
++	power-supply = <&reg_3p3v>;
++    status = "okay";
++
++    port {
++        panel_input: endpoint {
++            remote-endpoint = <&display_output>;
++        };
++    };
++};
++
++&iomuxc {
++	pinctrl_lcdif_dat: lcdifdatgrp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_DATA00__LCDIF_DATA00	0x79
++			MX6UL_PAD_LCD_DATA01__LCDIF_DATA01	0x79
++			MX6UL_PAD_LCD_DATA02__LCDIF_DATA02	0x79
++			MX6UL_PAD_LCD_DATA03__LCDIF_DATA03	0x79
++			MX6UL_PAD_LCD_DATA04__LCDIF_DATA04	0x79
++			MX6UL_PAD_LCD_DATA05__LCDIF_DATA05	0x79
++			MX6UL_PAD_LCD_DATA06__LCDIF_DATA06	0x79
++			MX6UL_PAD_LCD_DATA07__LCDIF_DATA07	0x79
++			MX6UL_PAD_LCD_DATA08__LCDIF_DATA08	0x79
++			MX6UL_PAD_LCD_DATA09__LCDIF_DATA09	0x79
++			MX6UL_PAD_LCD_DATA10__LCDIF_DATA10	0x79
++			MX6UL_PAD_LCD_DATA11__LCDIF_DATA11	0x79
++			MX6UL_PAD_LCD_DATA12__LCDIF_DATA12	0x79
++			MX6UL_PAD_LCD_DATA13__LCDIF_DATA13	0x79
++			MX6UL_PAD_LCD_DATA14__LCDIF_DATA14	0x79
++			MX6UL_PAD_LCD_DATA15__LCDIF_DATA15	0x79
++		>;
++	};
++
++	pinctrl_lcdif_ctrl: lcdifctrlgrp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_CLK__LCDIF_CLK		0x79
++			MX6UL_PAD_LCD_ENABLE__LCDIF_ENABLE	0x79
++			MX6UL_PAD_LCD_HSYNC__LCDIF_HSYNC	0x79
++			MX6UL_PAD_LCD_VSYNC__LCDIF_VSYNC	0x79
++			MX6UL_PAD_LCD_RESET__LCDIF_RESET	0x79
++		>;
++	};
++};
+\ No newline at end of file
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/Makefile linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/Makefile
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/Makefile	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/Makefile	2023-07-19 17:21:22.679213473 +0800
+@@ -0,0 +1,19 @@
++# SPDX-License-Identifier: GPL-2.0
++# required for overlay support
++
++DTC_FLAGS += -@
++dtb-y += can1.dtbo
++dtb-y += can2.dtbo
++dtb-y += i2c1.dtbo
++dtb-y += spi1.dtbo
++dtb-y += uart2.dtbo
++dtb-y += uart3.dtbo
++dtb-y += uart4.dtbo
++dtb-y += uart7.dtbo
++dtb-y += pwm7.dtbo
++dtb-y += pwm8.dtbo
++dtb-y += w1.dtbo
++dtb-y += lcd.dtbo
++dtb-y += cam.dtbo
++dtb-y += nbiot-4g.dtbo
++dtb-y += adc.dtbo
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/nbiot-4g.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/nbiot-4g.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/nbiot-4g.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/nbiot-4g.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,34 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* NB-IoT/4G module use UART8 interfaces, conflict with SPI interface */
++
++&uart8 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_spi_uart8 &pinctrl_nbiot_ctrl>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_spi_uart8: spi_uart8_grp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_DATA20__UART8_DCE_TX		0x1b0b1 /* MRXD */
++			MX6UL_PAD_LCD_DATA21__UART8_DCE_RX		0x1b0b1 /* MTXD */
++		>;
++	};
++
++	pinctrl_nbiot_ctrl: nbiot_ctrl_grp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_DATA22__GPIO3_IO27		0x17059 /* NB_PWREN/4G_RESET */
++			MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15		0x17059 /* NB_MRST/4G_POWER_KEY */
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/pwm7.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/pwm7.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/pwm7.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/pwm7.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,28 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/clock/imx6ul-clock.h>
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, PWM7 interfaces */
++
++&pwm7 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_pwm7>;
++	clocks = <&clks IMX6UL_CLK_PWM7>, <&clks IMX6UL_CLK_PWM7>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_pwm7: pwm7grp {
++		fsl,pins = <
++			MX6UL_PAD_JTAG_TCK__PWM7_OUT	0x110b0
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/pwm8.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/pwm8.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/pwm8.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/pwm8.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,28 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/clock/imx6ul-clock.h>
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, PWM8 interfaces, conflict with NB-IoT */
++
++&pwm8 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_pwm8_nbiot>;
++	clocks = <&clks IMX6UL_CLK_PWM8>, <&clks IMX6UL_CLK_PWM8>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_pwm8_nbiot: pwm8nbiotgrp {
++		fsl,pins = <
++			MX6UL_PAD_JTAG_TRST_B__PWM8_OUT	0x110b0
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/spi1.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/spi1.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/spi1.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/spi1.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,39 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/gpio/gpio.h>
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, SPI1 interfaces, conflict with UART8 */
++
++&ecspi1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_spi_uart8>;
++	cs-gpios = <&gpio3 26 GPIO_ACTIVE_LOW>;
++	status = "okay";
++
++	#address-cells = <1>;
++	#size-cells = <0>;
++
++	spidev0: spi@0 {
++		reg = <0>;
++		compatible = "semtech,sx1301";
++		spi-max-frequency = <1000000>;
++	};	
++};
++
++&iomuxc {
++	pinctrl_spi_uart8: spi_uart8_grp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_DATA20__ECSPI1_SCLK	0x10b0
++			MX6UL_PAD_LCD_DATA22__ECSPI1_MOSI	0x10b0
++			MX6UL_PAD_LCD_DATA23__ECSPI1_MISO	0x10b0
++			MX6UL_PAD_LCD_DATA21__GPIO3_IO26	0x10b0
++		>;
++	};	
++};
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/uart2.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart2.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/uart2.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart2.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,26 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, UART2 interfaces */
++
++&uart2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_uart2>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_uart2: uart2grp {
++		fsl,pins = <
++			MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX	0x1b0b1
++			MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX	0x1b0b1
++		>;
++	};
++};
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/uart3.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart3.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/uart3.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart3.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,27 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, UART3 interfaces */
++
++&uart3 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_uart3>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_uart3: uart3grp {
++		fsl,pins = <
++			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
++			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b0b1
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/uart4.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart4.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/uart4.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart4.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,27 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, UART4 interfaces */
++
++&uart4 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_uart4>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_uart4: uart4grp {
++		fsl,pins = <
++			MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX	0x1b0b1
++			MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX	0x1b0b1
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/uart7.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart7.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/uart7.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/uart7.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,27 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include "../imx6ul-pinfunc.h"
++
++/* 40-pin extended GPIO, UART7 interfaces, conflict with LCD display */
++
++&uart7 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_uart7>;
++	status = "okay";
++};
++
++&iomuxc {
++	pinctrl_uart7: uart7grp {
++		fsl,pins = <
++			MX6UL_PAD_LCD_DATA16__UART7_DCE_TX		0x1b0b1
++			MX6UL_PAD_LCD_DATA17__UART7_DCE_RX		0x1b0b1
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/w1.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/w1.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull/w1.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull/w1.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,31 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author:  Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++#include <dt-bindings/gpio/gpio.h>
++#include "../imx6ul-pinfunc.h"
++
++/* W1(DS18B20) on 40Pin Header Pin#7 (GPIO1_IO18) */
++
++&w1 {
++    compatible = "w1-gpio";
++    status = "okay";
++
++    pinctrl-names = "default";
++    pinctrl-0 = <&pinctrl_w1>;
++    gpio = <&gpio1 18 GPIO_ACTIVE_HIGH>;
++};
++
++
++&iomuxc {
++	pinctrl_w1: w1grp {
++		fsl,pins = <
++			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x110b0
++		>;
++	};
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull.dts linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull.dts
+--- linux-imx/arch/arm/boot/dts/igkboard-6ull.dts	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/igkboard-6ull.dts	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,604 @@
++/*
++ * Device Tree Source for LingYun IGKBoard-6ULL(IoT Gateway Kit Board based on i.MX6ULL)
++ * Based on imx6ul-14x14-evk.dts/imx6ul-14x14-evk.dtsi
++ *
++ * Copyright (C) 2022 LingYun IoT System Studio.
++ * Author: Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++
++#include "imx6ull.dtsi"
++
++/ {
++    model = "LingYun IoT System Studio IoT Gateway Board";
++	compatible = "lingyun,igkboard-6ull", "fsl,imx6ull";
++
++	chosen {
++		stdout-path = &uart1;
++	};
++
++	memory@80000000 {
++		device_type = "memory";
++		reg = <0x80000000 0x20000000>;
++	};
++
++	reserved-memory {
++		#address-cells = <1>;
++		#size-cells = <1>;
++		ranges;
++
++		linux,cma {
++			compatible = "shared-dma-pool";
++			reusable;
++			size = <0xa000000>;
++			linux,cma-default;
++		};
++	};
++
++	buzzer: pwm-buzzer {
++		compatible = "pwm-beeper";
++		pwms = <&pwm2 0 500000>;
++		status = "okay";
++	};
++
++    leds {
++		compatible = "gpio-leds";
++		pinctrl-names = "default";
++		pinctrl-0 = <&pinctrl_gpio_leds>;
++		status = "okay";
++
++		sysled {
++			lable = "sysled";
++			gpios = <&gpio4 16 GPIO_ACTIVE_HIGH>;
++			linux,default-trigger = "heartbeat";
++			default-state = "off";
++		};
++	};
++
++	keys {
++		compatible = "gpio-keys";
++		pinctrl-names = "default";
++		pinctrl-0 = <&pinctrl_gpio_keys>;
++		autorepeat;
++		status = "okay";
++
++		key_user {
++			lable = "key_user";
++			gpios = <&gpio4 14 GPIO_ACTIVE_LOW>;
++			linux,code = <KEY_ENTER>;
++		};
++	};
++
++	pxp_v4l2 {
++		compatible = "fsl,imx6ul-pxp-v4l2", "fsl,imx6sx-pxp-v4l2", "fsl,imx6sl-pxp-v4l2";
++		status = "okay";
++	};
++
++	reg_sd1_vmmc: regulator-sd1-vmmc {
++		compatible = "regulator-fixed";
++		regulator-name = "VSD_3V3";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
++		off-on-delay-us = <20000>;
++		enable-active-high;
++	};
++
++	reg_peri_3v3: regulator-peri-3v3 {
++		compatible = "regulator-fixed";
++		regulator-name = "VPERI_3V3";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		/*
++		 * If you want to want to make this dynamic please
++		 * check schematics and test all affected peripherals:
++		 *
++		 * - sensors
++		 * - ethernet phy
++		 * - can
++		 * - bluetooth
++		 * - wm8960 audio codec
++		 * - ov5640 camera
++		 */
++		regulator-always-on;
++	};
++
++    reg_can_3v3: regulator@0 {
++		compatible = "regulator-fixed";
++		regulator-name = "can-3v3";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		regulator-boot-on;
++		regulator-always-on;
++	};
++
++	reg_3p3v: 3p3v {
++		compatible = "regulator-fixed";
++		regulator-name = "3P3V";
++		regulator-min-microvolt = <3300000>;
++		regulator-max-microvolt = <3300000>;
++		regulator-boot-on;
++		regulator-always-on;
++	};
++
++	reg_1p8v: 1p8v {
++		compatible = "regulator-fixed";
++		regulator-name = "1P8V";
++		regulator-min-microvolt = <1800000>;
++		regulator-max-microvolt = <1800000>;
++		regulator-boot-on;
++		regulator-always-on;
++	};
++
++	backlight_lcd: backlight-lcd {
++		compatible = "pwm-backlight";
++		pwms = <&pwm1 0 5000000>;
++		brightness-levels = <0 4 8 16 32 64 128 255>;
++		default-brightness-level = <7>;
++		power-supply = <&reg_3p3v>;
++		status = "disabled";
++	};
++
++    /* 1-Wire sentinel for overlay */
++	w1: w1 {
++		compatible = "w1-gpio";
++		status = "disabled";
++	};
++
++    mqs: mqs {
++		#sound-dai-cells = <0>;
++		compatible = "fsl,imx6sx-mqs";
++		pinctrl-names = "default";
++		pinctrl-0 = <&pinctrl_mqs>;
++		clocks = <&clks IMX6UL_CLK_SAI1>;
++		clock-names = "mclk";
++		gpr = <&gpr>;
++		status = "okay";
++	};
++
++    sound-mqs {
++		compatible = "fsl,imx-audio-mqs";
++		model = "mqs-audio";
++		audio-cpu = <&sai1>;
++		audio-asrc = <&asrc>;
++		audio-codec = <&mqs>;
++		status = "okay";
++	};
++
++	/* LCD panel sentinel for overlay */
++	panel: panel {
++		status = "disabled";
++	};
++
++};
++
++/*+--------------+
++  | Misc Modules |
++  +--------------+*/
++
++&snvs_poweroff {
++	status = "okay";
++};
++
++&snvs_pwrkey {
++	status = "okay";
++};
++
++&uart1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_uart1>;
++	status = "okay";
++};
++
++&pwm1 { /* backlight */
++	#pwm-cells = <2>;
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_pwm1>;
++	status = "okay";
++};
++
++&pwm2 {
++	#pwm-cells = <2>;
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_pwm2>;
++	status = "okay";
++};
++
++/*+---------------+
++  | Camera Module |
++  +---------------+*/
++
++&i2c2 {
++	clock-frequency = <100000>;
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_i2c2>;
++	status = "okay";
++
++    gt9xx@5d {
++		compatible = "goodix,gt9147";
++		reg = <0x5d>;
++		pinctrl-names = "default";
++		pinctrl-0 = <&pinctrl_ts_pins>;
++
++		irq-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
++		reset-gpios = <&gpio5 3 GPIO_ACTIVE_HIGH>;
++		interrupt-parent = <&gpio5>;
++		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
++
++		status = "disabled"; /* Enable in LCD overlay */
++	};
++
++	rtc@6f {
++		compatible = "isil,isl1208";
++		reg = <0x6f>;
++		status = "okay";
++	};
++
++	ov5640: ov5640@3c {
++		compatible = "ovti,ov5640";
++		reg = <0x3c>;
++		pinctrl-names = "default";
++		pinctrl-0 = <&pinctrl_csi1>;
++		clocks = <&clks IMX6UL_CLK_CSI>;
++		clock-names = "csi_mclk";
++
++		DOVDD-supply = <&reg_3p3v>;
++		VDD-supply = <&reg_1p8v>;
++		AVDD-supply = <&reg_3p3v>;
++		DVDD-supply = <&reg_3p3v>;
++
++		pwn-gpios = <&gpio5 6 GPIO_ACTIVE_HIGH>;
++		rst-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
++		csi_id = <0>;
++		mclk = <24000000>;
++		mclk_source = <0>;
++		/* rotation = <180>; */
++		status = "disabled"; /* Enable in CAM overlay */
++		port {
++			ov5640_ep: endpoint {
++				remote-endpoint = <&csi1_ep>;
++			};
++		};
++	};
++
++};
++
++&csi {
++	status = "disabled";
++	port {
++		csi1_ep: endpoint {
++			remote-endpoint = <&ov5640_ep>;
++		};
++	};
++};
++
++/*+--------------+
++  | Audio Module |
++  +--------------+*/
++
++&clks {
++	assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
++	//assigned-clock-rates = <786432000>; // 16bit,2Ch,48KHz
++	assigned-clock-rates = <722534400>; // 16bit,2Ch,44.1KHz
++};
++
++&sai1 {
++	assigned-clocks = <&clks IMX6UL_CLK_SAI1_SEL>, <&clks IMX6UL_CLK_SAI1>;
++	assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
++	//assigned-clock-rates = <0>, <24576000>; // 16bit,2Ch,48KHz
++	assigned-clock-rates = <0>, <22579200>; // 16bit,2Ch,44.1KHz
++	fsl,sai-mclk-direction-output;
++	status = "okay";
++};
++
++/*+------------------+
++  | Ethernet Modules |
++  +------------------+*/
++
++&fec1 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_enet1>;
++	phy-mode = "rmii";
++	phy-handle = <&ethphy0>;
++	phy-supply = <&reg_peri_3v3>;
++    phy-reset-gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
++	phy-reset-duration = <50>;
++	phy-reset-post-delay = <15>;
++	status = "okay";
++};
++
++&fec2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_enet2>;
++	phy-mode = "rmii";
++	phy-handle = <&ethphy1>;
++	phy-supply = <&reg_peri_3v3>;
++    phy-reset-gpios = <&gpio5 4 GPIO_ACTIVE_LOW>;
++	phy-reset-duration = <50>;
++	phy-reset-post-delay = <15>;
++	status = "okay";
++
++	mdio {
++		#address-cells = <1>;
++		#size-cells = <0>;
++
++		ethphy0: ethernet-phy@0 {
++			compatible = "ethernet-phy-id0022.1560";
++			reg = <0>;
++			micrel,led-mode = <1>;
++			clocks = <&clks IMX6UL_CLK_ENET_REF>;
++			clock-names = "rmii-ref";
++
++		};
++
++		ethphy1: ethernet-phy@1 {
++			compatible = "ethernet-phy-id0022.1560";
++			reg = <1>;
++			micrel,led-mode = <1>;
++			clocks = <&clks IMX6UL_CLK_ENET2_REF>;
++			clock-names = "rmii-ref";
++		};
++	};
++};
++
++/*+---------------+
++  | USB interface |
++  +---------------+*/
++
++&usbotg1 {
++	dr_mode = "otg";
++	pinctrl-names = "default";
++	pinctrl-0 = <&pinctrl_usb_otg1>;
++	status = "okay";
++};
++
++&usbotg2 {
++	dr_mode = "host";
++	disable-over-current;
++	status = "okay";
++};
++
++&usbphy1 {
++	fsl,tx-d-cal = <106>;
++};
++
++&usbphy2 {
++	fsl,tx-d-cal = <106>;
++};
++
++/*+------------------+
++  | USDCHC interface |
++  +------------------+*/
++
++&usdhc1 {
++	pinctrl-names = "default", "state_100mhz", "state_200mhz";
++	pinctrl-0 = <&pinctrl_usdhc1>;
++	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
++	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
++	cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
++	keep-power-in-suspend;
++	wakeup-source;
++	vmmc-supply = <&reg_sd1_vmmc>;
++	status = "okay";
++};
++
++&usdhc2 {
++    pinctrl-names = "default", "state_100mhz", "state_200mhz";
++	pinctrl-0 = <&pinctrl_usdhc2_8bit>;
++	pinctrl-1 = <&pinctrl_usdhc2_8bit_100mhz>;
++	pinctrl-2 = <&pinctrl_usdhc2_8bit_200mhz>;
++    non-removable;
++	bus-width = <8>;
++    keep-power-in-suspend;
++	wakeup-source;
++	status = "okay";
++};
++
++/*+----------------------+
++  | Basic pinctrl iomuxc |
++  +----------------------+*/
++
++&iomuxc {
++	pinctrl-names = "default";
++
++    pinctrl_gpio_leds: gpio-leds {
++		fsl,pins = <
++			MX6UL_PAD_NAND_DQS__GPIO4_IO16			0x17059 /* led run */
++		>;
++	};
++
++	pinctrl_gpio_keys: gpio-keys {
++		fsl,pins = <
++			MX6UL_PAD_NAND_CE1_B__GPIO4_IO14		0x17059 /* gpio key */
++		>;
++	};
++
++	pinctrl_mqs: pinctrl-mqs-pins {
++		fsl,pins = <
++			MX6UL_PAD_JTAG_TDI__MQS_LEFT			0x11088 /* MQS Left  */
++			MX6UL_PAD_JTAG_TDO__MQS_RIGHT			0x11088 /* MQS Right */
++		>;
++	};
++
++	pinctrl_ts_pins: pinctrl-ts-pins {
++		fsl,pins = <
++			MX6UL_PAD_SNVS_TAMPER2__GPIO5_IO02		0x17059 /* TouchScreen IRQ */
++			MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03		0x17059 /* TouchScreen RST */
++		>;
++	};
++
++	pinctrl_csi1: csi1grp {
++		fsl,pins = <
++        	MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05		0x17059 /* CSI_RST */
++			MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06		0x17059 /* CSI_PWDN */
++			MX6UL_PAD_CSI_MCLK__CSI_MCLK		0x1b088
++			MX6UL_PAD_CSI_PIXCLK__CSI_PIXCLK	0x1b088
++			MX6UL_PAD_CSI_VSYNC__CSI_VSYNC		0x1b088
++			MX6UL_PAD_CSI_HSYNC__CSI_HSYNC		0x1b088
++			MX6UL_PAD_CSI_DATA00__CSI_DATA02	0x1b088
++			MX6UL_PAD_CSI_DATA01__CSI_DATA03	0x1b088
++			MX6UL_PAD_CSI_DATA02__CSI_DATA04	0x1b088
++			MX6UL_PAD_CSI_DATA03__CSI_DATA05	0x1b088
++			MX6UL_PAD_CSI_DATA04__CSI_DATA06	0x1b088
++			MX6UL_PAD_CSI_DATA05__CSI_DATA07	0x1b088
++			MX6UL_PAD_CSI_DATA06__CSI_DATA08	0x1b088
++			MX6UL_PAD_CSI_DATA07__CSI_DATA09	0x1b088
++		>;
++	};
++
++	pinctrl_enet1: enet1grp {
++		fsl,pins = <
++			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0
++			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0
++			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0
++			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0
++			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b0b0
++			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b0b0
++			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b0b0
++			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x4001b031
++            MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07		0x10B0
++		>;
++	};
++
++	pinctrl_enet2: enet2grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO07__ENET2_MDC		0x1b0b0
++			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO	0x1b0b0
++			MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN	0x1b0b0
++			MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER	0x1b0b0
++			MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00	0x1b0b0
++			MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01	0x1b0b0
++			MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN	0x1b0b0
++			MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00	0x1b0b0
++			MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01	0x1b0b0
++			MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x4001b031
++            MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04		0x10B0
++		>;
++	};
++
++	pinctrl_i2c2: i2c2grp {
++		fsl,pins = <
++			MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0
++			MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0
++		>;
++	};
++
++	pinctrl_pwm1: pwm1grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO08__PWM1_OUT			0x110b0
++		>;
++	};
++
++    pinctrl_pwm2: pwm2grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO09__PWM2_OUT			0x110b0
++		>;
++	};
++
++	pinctrl_uart1: uart1grp {
++		fsl,pins = <
++			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
++			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
++		>;
++	};
++
++	pinctrl_usb_otg1: usbotg1grp {
++		fsl,pins = <
++			MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID	0x17059
++		>;
++	};
++
++	pinctrl_usdhc1: usdhc1grp {
++		fsl,pins = <
++			MX6UL_PAD_SD1_CMD__USDHC1_CMD     	0x17059
++			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x10071
++			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 	0x17059
++			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 	0x17059
++			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 	0x17059
++			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 	0x17059
++			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19       0x17059
++		>;
++	};
++
++	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
++		fsl,pins = <
++			MX6UL_PAD_SD1_CMD__USDHC1_CMD     0x170b9
++			MX6UL_PAD_SD1_CLK__USDHC1_CLK     0x100b9
++			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
++			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
++			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
++			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
++
++		>;
++	};
++
++	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
++		fsl,pins = <
++			MX6UL_PAD_SD1_CMD__USDHC1_CMD     0x170f9
++			MX6UL_PAD_SD1_CLK__USDHC1_CLK     0x100f9
++			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
++			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
++			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
++			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
++		>;
++	};
++
++	pinctrl_usdhc2: usdhc2grp {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x17059
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x17059
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
++		>;
++	};
++
++	pinctrl_usdhc2_8bit: usdhc2grp_8bit {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x10069
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x17059
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
++			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059
++			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059
++			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059
++			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059
++		>;
++	};
++
++	pinctrl_usdhc2_8bit_100mhz: usdhc2grp_8bit_100mhz {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x100b9
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x170b9
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170b9
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170b9
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170b9
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170b9
++			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170b9
++			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170b9
++			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170b9
++			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170b9
++		>;
++	};
++
++	pinctrl_usdhc2_8bit_200mhz: usdhc2grp_8bit_200mhz {
++		fsl,pins = <
++			MX6UL_PAD_NAND_RE_B__USDHC2_CLK     0x100f9
++			MX6UL_PAD_NAND_WE_B__USDHC2_CMD     0x170f9
++			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170f9
++			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170f9
++			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170f9
++			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170f9
++			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170f9
++			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170f9
++			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170f9
++			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9
++		>;
++	};	
++
++};
++
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/Makefile linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/Makefile
+--- linux-imx/arch/arm/boot/dts/Makefile	2023-03-01 18:11:25.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/boot/dts/Makefile	2023-07-19 17:20:59.897221089 +0800
+@@ -1587,3 +1587,8 @@
+ 	aspeed-bmc-portwell-neptune.dtb \
+ 	aspeed-bmc-quanta-q71l.dtb \
+ 	aspeed-bmc-supermicro-x11spi.dtb
++
++DTC_FLAGS_igkboard-6ull := -@
++dtb-$(CONFIG_SOC_IMX6UL) += igkboard-6ull.dtb
++subdir-$(CONFIG_SOC_IMX6UL) += igkboard-6ull
++
+diff -Nuar --no-dereference linux-imx/arch/arm/configs/igkboard-6ull_defconfig linux-imx-lf-5.15.71-2.2.0/arch/arm/configs/igkboard-6ull_defconfig
+--- linux-imx/arch/arm/configs/igkboard-6ull_defconfig	1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/arch/arm/configs/igkboard-6ull_defconfig	2023-07-19 17:20:17.405255888 +0800
+@@ -0,0 +1,604 @@
++CONFIG_KERNEL_LZO=y
++CONFIG_SYSVIPC=y
++CONFIG_POSIX_MQUEUE=y
++CONFIG_NO_HZ=y
++CONFIG_HIGH_RES_TIMERS=y
++CONFIG_PREEMPT=y
++CONFIG_IKCONFIG=y
++CONFIG_IKCONFIG_PROC=y
++CONFIG_LOG_BUF_SHIFT=18
++CONFIG_CGROUPS=y
++CONFIG_MEMCG=y
++CONFIG_CGROUP_PIDS=y
++CONFIG_CGROUP_FREEZER=y
++CONFIG_CGROUP_DEVICE=y
++CONFIG_NAMESPACES=y
++CONFIG_USER_NS=y
++CONFIG_RELAY=y
++CONFIG_BLK_DEV_INITRD=y
++CONFIG_EXPERT=y
++CONFIG_KALLSYMS_ALL=y
++CONFIG_PERF_EVENTS=y
++# CONFIG_SLUB_DEBUG is not set
++# CONFIG_COMPAT_BRK is not set
++CONFIG_ARCH_MXC=y
++CONFIG_SOC_IMX6Q=y
++CONFIG_SOC_IMX6SL=y
++CONFIG_SOC_IMX6SLL=y
++CONFIG_SOC_IMX6SX=y
++CONFIG_SOC_IMX6UL=y
++CONFIG_SOC_IMX7D=y
++CONFIG_SOC_IMX7ULP=y
++CONFIG_SMP=y
++CONFIG_VMSPLIT_2G=y
++CONFIG_ARM_PSCI=y
++CONFIG_HIGHMEM=y
++CONFIG_FORCE_MAX_ZONEORDER=14
++CONFIG_CMDLINE="noinitrd console=ttymxc0,115200"
++CONFIG_KEXEC=y
++CONFIG_CPU_FREQ=y
++CONFIG_CPU_FREQ_STAT=y
++CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
++CONFIG_CPU_FREQ_GOV_POWERSAVE=y
++CONFIG_CPU_FREQ_GOV_USERSPACE=y
++CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
++CONFIG_CPUFREQ_DT=y
++CONFIG_ARM_IMX6Q_CPUFREQ=y
++CONFIG_ARM_IMX_CPUFREQ_DT=y
++CONFIG_CPU_IDLE=y
++CONFIG_ARM_CPUIDLE=y
++CONFIG_ARM_PSCI_CPUIDLE=y
++CONFIG_VFP=y
++CONFIG_NEON=y
++CONFIG_PM_DEBUG=y
++CONFIG_PM_TEST_SUSPEND=y
++CONFIG_KPROBES=y
++CONFIG_MODULES=y
++CONFIG_MODULE_UNLOAD=y
++CONFIG_MODVERSIONS=y
++CONFIG_MODULE_SRCVERSION_ALL=y
++CONFIG_BINFMT_MISC=m
++CONFIG_CMA=y
++CONFIG_NET=y
++CONFIG_PACKET=y
++CONFIG_UNIX=y
++CONFIG_INET=y
++CONFIG_IP_MULTICAST=y
++CONFIG_IP_PNP=y
++CONFIG_IP_PNP_DHCP=y
++CONFIG_NETFILTER=y
++CONFIG_VLAN_8021Q=m
++CONFIG_LLC2=y
++CONFIG_CAN=y
++CONFIG_CAN_FLEXCAN=y
++CONFIG_BT=y
++CONFIG_BT_RFCOMM=y
++CONFIG_BT_RFCOMM_TTY=y
++CONFIG_BT_BNEP=y
++CONFIG_BT_BNEP_MC_FILTER=y
++CONFIG_BT_BNEP_PROTO_FILTER=y
++CONFIG_BT_HIDP=y
++CONFIG_BT_HCIBTUSB=y
++CONFIG_BT_HCIUART=y
++CONFIG_BT_HCIUART_BCSP=y
++CONFIG_BT_HCIUART_LL=y
++CONFIG_BT_HCIUART_3WIRE=y
++CONFIG_BT_HCIUART_MRVL=y
++CONFIG_BT_HCIVHCI=y
++CONFIG_BT_MRVL=y
++CONFIG_BT_MRVL_SDIO=y
++CONFIG_CFG80211=y
++CONFIG_NL80211_TESTMODE=y
++CONFIG_CFG80211_WEXT=y
++CONFIG_MAC80211=y
++CONFIG_PCI=y
++CONFIG_PCI_MSI=y
++CONFIG_PCI_IMX6_HOST=y
++CONFIG_PCI_IMX6_EP=y
++CONFIG_PCI_ENDPOINT=y
++CONFIG_PCI_ENDPOINT_CONFIGFS=y
++CONFIG_PCI_EPF_TEST=y
++CONFIG_DEVTMPFS=y
++CONFIG_DEVTMPFS_MOUNT=y
++# CONFIG_STANDALONE is not set
++CONFIG_FW_LOADER_USER_HELPER=y
++CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
++CONFIG_IMX_WEIM=y
++CONFIG_CONNECTOR=y
++CONFIG_MTD=y
++CONFIG_MTD_CMDLINE_PARTS=y
++CONFIG_MTD_BLOCK=y
++CONFIG_MTD_CFI=y
++CONFIG_MTD_JEDECPROBE=y
++CONFIG_MTD_CFI_INTELEXT=y
++CONFIG_MTD_CFI_AMDSTD=y
++CONFIG_MTD_CFI_STAA=y
++CONFIG_MTD_PHYSMAP=y
++CONFIG_MTD_PHYSMAP_OF=y
++CONFIG_MTD_DATAFLASH=y
++CONFIG_MTD_SST25L=y
++CONFIG_MTD_RAW_NAND=y
++CONFIG_MTD_NAND_GPMI_NAND=y
++CONFIG_MTD_NAND_MXC=y
++CONFIG_MTD_SPI_NOR=y
++# CONFIG_MTD_SPI_NOR_USE_4K_SECTORS is not set
++CONFIG_MTD_UBI=y
++CONFIG_MTD_UBI_FASTMAP=y
++CONFIG_MTD_UBI_BLOCK=y
++CONFIG_OF_OVERLAY=y
++CONFIG_BLK_DEV_LOOP=y
++CONFIG_BLK_DEV_RAM=y
++CONFIG_BLK_DEV_RAM_SIZE=65536
++CONFIG_PCI_ENDPOINT_TEST=y
++CONFIG_EEPROM_AT24=y
++CONFIG_EEPROM_AT25=y
++# CONFIG_SCSI_PROC_FS is not set
++CONFIG_BLK_DEV_SD=y
++# CONFIG_BLK_DEV_BSG is not set
++CONFIG_SCSI_CONSTANTS=y
++CONFIG_SCSI_LOGGING=y
++CONFIG_SCSI_SCAN_ASYNC=y
++CONFIG_ATA=y
++CONFIG_SATA_AHCI_PLATFORM=y
++CONFIG_AHCI_IMX=y
++CONFIG_PATA_IMX=y
++CONFIG_MD=y
++CONFIG_BLK_DEV_MD=m
++CONFIG_BLK_DEV_DM=m
++CONFIG_DM_CRYPT=m
++CONFIG_NETDEVICES=y
++CONFIG_TUN=y
++# CONFIG_NET_VENDOR_BROADCOM is not set
++CONFIG_CS89x0_PLATFORM=y
++# CONFIG_NET_VENDOR_FARADAY is not set
++# CONFIG_NET_VENDOR_INTEL is not set
++# CONFIG_NET_VENDOR_MARVELL is not set
++# CONFIG_NET_VENDOR_MICREL is not set
++# CONFIG_NET_VENDOR_MICROCHIP is not set
++# CONFIG_NET_VENDOR_NATSEMI is not set
++# CONFIG_NET_VENDOR_SEEQ is not set
++CONFIG_SMC91X=y
++CONFIG_SMC911X=y
++CONFIG_SMSC911X=y
++# CONFIG_NET_VENDOR_STMICRO is not set
++CONFIG_MICREL_PHY=y
++CONFIG_AT803X_PHY=y
++CONFIG_USB_PEGASUS=m
++CONFIG_USB_RTL8150=m
++CONFIG_USB_RTL8152=y
++CONFIG_USB_LAN78XX=y
++CONFIG_USB_USBNET=y
++CONFIG_USB_NET_CDC_EEM=m
++CONFIG_USB_NET_SMSC95XX=y
++CONFIG_USB_NET_MCS7830=y
++CONFIG_ATH10K=m
++CONFIG_ATH10K_SDIO=m
++CONFIG_HOSTAP=y
++CONFIG_WL12XX=m
++CONFIG_WL18XX=m
++CONFIG_WLCORE_SDIO=m
++# CONFIG_WILINK_PLATFORM_DATA is not set
++CONFIG_INPUT_EVDEV=y
++CONFIG_INPUT_EVBUG=m
++CONFIG_KEYBOARD_GPIO=y
++CONFIG_KEYBOARD_RPMSG=y
++CONFIG_KEYBOARD_IMX=y
++CONFIG_MOUSE_PS2=m
++CONFIG_MOUSE_PS2_ELANTECH=y
++CONFIG_INPUT_TOUCHSCREEN=y
++CONFIG_TOUCHSCREEN_ADS7846=y
++CONFIG_TOUCHSCREEN_AD7879=y
++CONFIG_TOUCHSCREEN_AD7879_I2C=y
++CONFIG_TOUCHSCREEN_ATMEL_MXT=y
++CONFIG_TOUCHSCREEN_DA9052=y
++CONFIG_TOUCHSCREEN_EGALAX=y
++CONFIG_TOUCHSCREEN_ELAN_TS=y
++CONFIG_TOUCHSCREEN_GOODIX=y
++CONFIG_TOUCHSCREEN_ILI210X=y
++CONFIG_TOUCHSCREEN_MAX11801=y
++CONFIG_TOUCHSCREEN_IMX6UL_TSC=y
++CONFIG_TOUCHSCREEN_EDT_FT5X06=y
++CONFIG_TOUCHSCREEN_MC13783=y
++CONFIG_TOUCHSCREEN_TSC2004=y
++CONFIG_TOUCHSCREEN_TSC2007=y
++CONFIG_TOUCHSCREEN_STMPE=y
++CONFIG_TOUCHSCREEN_SX8654=y
++CONFIG_TOUCHSCREEN_COLIBRI_VF50=y
++CONFIG_TOUCHSCREEN_FTS=y
++CONFIG_INPUT_MISC=y
++CONFIG_INPUT_MMA8450=y
++CONFIG_SERIO_SERPORT=m
++# CONFIG_LEGACY_PTYS is not set
++CONFIG_SERIAL_IMX=y
++CONFIG_SERIAL_IMX_CONSOLE=y
++CONFIG_SERIAL_FSL_LPUART=y
++CONFIG_SERIAL_FSL_LPUART_CONSOLE=y
++CONFIG_SERIAL_DEV_BUS=y
++# CONFIG_I2C_COMPAT is not set
++CONFIG_I2C_CHARDEV=y
++CONFIG_I2C_MUX=y
++CONFIG_I2C_MUX_GPIO=y
++# CONFIG_I2C_HELPER_AUTO is not set
++CONFIG_I2C_ALGOPCF=m
++CONFIG_I2C_ALGOPCA=m
++CONFIG_I2C_GPIO=y
++CONFIG_I2C_IMX=y
++CONFIG_I2C_IMX_LPI2C=y
++CONFIG_SPI=y
++CONFIG_SPI_FSL_LPSPI=y
++CONFIG_SPI_FSL_QUADSPI=y
++CONFIG_SPI_GPIO=y
++CONFIG_SPI_IMX=y
++CONFIG_SPI_SPIDEV=y
++CONFIG_SPI_SLAVE=y
++CONFIG_SPI_SLAVE_TIME=y
++CONFIG_SPI_SLAVE_SYSTEM_CONTROL=y
++CONFIG_GPIO_SYSFS=y
++CONFIG_GPIO_MXC=y
++CONFIG_GPIO_SIOX=m
++CONFIG_GPIO_IMX_RPMSG=y
++CONFIG_GPIO_MAX732X=y
++CONFIG_GPIO_PCA953X=y
++CONFIG_GPIO_PCF857X=y
++CONFIG_GPIO_STMPE=y
++CONFIG_GPIO_74X164=y
++CONFIG_POWER_RESET=y
++CONFIG_POWER_RESET_SYSCON=y
++CONFIG_POWER_RESET_SYSCON_POWEROFF=y
++CONFIG_POWER_SUPPLY=y
++CONFIG_SABRESD_MAX8903=y
++CONFIG_RN5T618_POWER=m
++CONFIG_SENSORS_MC13783_ADC=y
++CONFIG_SENSORS_GPIO_FAN=y
++CONFIG_SENSORS_IIO_HWMON=y
++CONFIG_SENSORS_MAX17135=y
++CONFIG_THERMAL=y
++CONFIG_THERMAL_STATISTICS=y
++CONFIG_THERMAL_WRITABLE_TRIPS=y
++CONFIG_CPU_THERMAL=y
++CONFIG_IMX_THERMAL=y
++CONFIG_DEVICE_THERMAL=y
++CONFIG_WATCHDOG=y
++CONFIG_DA9063_WATCHDOG=m
++CONFIG_DA9062_WATCHDOG=y
++CONFIG_RN5T618_WATCHDOG=y
++CONFIG_IMX2_WDT=y
++CONFIG_IMX7ULP_WDT=y
++CONFIG_MFD_DA9052_I2C=y
++CONFIG_MFD_DA9062=y
++CONFIG_MFD_DA9063=y
++CONFIG_MFD_MC13XXX_SPI=y
++CONFIG_MFD_MC13XXX_I2C=y
++CONFIG_MFD_MAX17135=y
++CONFIG_MFD_RN5T618=y
++CONFIG_MFD_SI476X_CORE=y
++CONFIG_MFD_STMPE=y
++CONFIG_REGULATOR=y
++CONFIG_REGULATOR_FIXED_VOLTAGE=y
++CONFIG_REGULATOR_ANATOP=y
++CONFIG_REGULATOR_DA9052=y
++CONFIG_REGULATOR_DA9062=y
++CONFIG_REGULATOR_DA9063=y
++CONFIG_REGULATOR_GPIO=y
++CONFIG_REGULATOR_LTC3676=y
++CONFIG_REGULATOR_MAX17135=y
++CONFIG_REGULATOR_MC13783=y
++CONFIG_REGULATOR_MC13892=y
++CONFIG_REGULATOR_PF1550_RPMSG=y
++CONFIG_REGULATOR_PFUZE100=y
++CONFIG_REGULATOR_RN5T618=y
++CONFIG_RC_CORE=y
++CONFIG_RC_DEVICES=y
++CONFIG_IR_GPIO_CIR=y
++CONFIG_MEDIA_SUPPORT=y
++CONFIG_MEDIA_USB_SUPPORT=y
++CONFIG_USB_VIDEO_CLASS=m
++CONFIG_RADIO_SI476X=y
++CONFIG_V4L_PLATFORM_DRIVERS=y
++CONFIG_VIDEO_MUX=y
++CONFIG_VIDEO_MXC_CAPTURE=m
++CONFIG_VIDEO_MXC_OUTPUT=y
++CONFIG_VIDEO_MXC_CSI_CAMERA=m
++CONFIG_MXC_VADC=m
++CONFIG_MXC_MIPI_CSI=m
++CONFIG_MXC_CAMERA_OV5640=m
++CONFIG_MXC_CAMERA_OV5640_V2=m
++CONFIG_MXC_CAMERA_OV5640_MIPI=m
++CONFIG_MXC_CAMERA_OV5640_MIPI_V2=m
++CONFIG_MXC_TVIN_ADV7180=m
++CONFIG_MXC_IPU_DEVICE_QUEUE_SDC=m
++CONFIG_VIDEO_MXC_IPU_OUTPUT=y
++CONFIG_VIDEO_MXC_PXP_V4L2=y
++CONFIG_V4L_MEM2MEM_DRIVERS=y
++CONFIG_VIDEO_CODA=m
++CONFIG_VIDEO_IMX_PXP=y
++CONFIG_VIDEO_ADV7180=m
++CONFIG_VIDEO_OV2680=m
++CONFIG_VIDEO_OV5645=m
++CONFIG_DRM=y
++CONFIG_DRM_PANEL_LVDS=y
++CONFIG_DRM_PANEL_SIMPLE=y
++CONFIG_DRM_PANEL_SEIKO_43WVF1G=y
++CONFIG_DRM_TI_TFP410=y
++CONFIG_FB=y
++CONFIG_FB_MXS=y
++CONFIG_FB_MXC_SYNC_PANEL=y
++CONFIG_FB_MXC_OVERLAY=y
++CONFIG_FB_MXC_MIPI_DSI_NORTHWEST=y
++CONFIG_FB_MXC_ADV7535=y
++CONFIG_FB_MXC_TRULY_PANEL_TFT3P5581E=y
++CONFIG_FB_MXC_TRULY_WVGA_SYNC_PANEL=y
++CONFIG_FB_MXC_RK_PANEL_RK055AHD042=y
++CONFIG_FB_MXC_RK_PANEL_RK055IQH042=y
++CONFIG_FB_MXC_MIPI_DSI_SAMSUNG=y
++CONFIG_FB_MXC_MIPI_DSI=y
++CONFIG_FB_MXC_LDB=y
++CONFIG_FB_MXC_EINK_PANEL=y
++CONFIG_FB_MXC_EINK_V2_PANEL=y
++CONFIG_FB_MXC_HDMI=y
++CONFIG_FB_MXS_SII902X=y
++CONFIG_FB_MXC_DCIC=y
++CONFIG_LCD_CLASS_DEVICE=y
++CONFIG_LCD_L4F00242T03=y
++CONFIG_LCD_PLATFORM=y
++CONFIG_BACKLIGHT_PWM=y
++CONFIG_BACKLIGHT_GPIO=y
++CONFIG_FRAMEBUFFER_CONSOLE=y
++CONFIG_LOGO=y
++CONFIG_SOUND=y
++CONFIG_SND=y
++CONFIG_SND_USB_AUDIO=m
++CONFIG_SND_SOC=y
++CONFIG_SND_SOC_FSL_ASRC=y
++CONFIG_SND_SOC_FSL_MQS=y
++CONFIG_SND_SOC_FSL_RPMSG=y
++CONFIG_SND_IMX_SOC=y
++CONFIG_SND_SOC_EUKREA_TLV320=y
++CONFIG_SND_SOC_IMX_ES8328=y
++CONFIG_SND_SOC_IMX_SGTL5000=y
++CONFIG_SND_SOC_IMX_SPDIF=y
++CONFIG_SND_SOC_FSL_ASOC_CARD=y
++CONFIG_SND_SOC_IMX_HDMI=y
++CONFIG_SND_SOC_IMX6QDL_HDMI=y
++CONFIG_SND_SOC_AC97_CODEC=y
++CONFIG_SND_SOC_CS42XX8_I2C=y
++CONFIG_SND_SOC_WM8960=y
++CONFIG_SND_SOC_WM8962=y
++CONFIG_SND_SOC_RPMSG_WM8960=y
++CONFIG_SND_SIMPLE_CARD=y
++CONFIG_HID_MULTITOUCH=y
++CONFIG_USB=y
++CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
++CONFIG_USB_EHCI_HCD=y
++CONFIG_USB_HCD_TEST_MODE=y
++CONFIG_USB_ACM=m
++CONFIG_USB_STORAGE=y
++CONFIG_USB_CHIPIDEA=y
++CONFIG_USB_CHIPIDEA_UDC=y
++CONFIG_USB_CHIPIDEA_HOST=y
++CONFIG_USB_SERIAL=m
++CONFIG_USB_SERIAL_GENERIC=y
++CONFIG_USB_SERIAL_FTDI_SIO=m
++CONFIG_USB_SERIAL_OPTION=m
++CONFIG_USB_TEST=m
++CONFIG_USB_EHSET_TEST_FIXTURE=m
++CONFIG_NOP_USB_XCEIV=y
++CONFIG_USB_MXS_PHY=y
++CONFIG_USB_GADGET=y
++CONFIG_USB_CONFIGFS=y
++CONFIG_USB_CONFIGFS_SERIAL=y
++CONFIG_USB_CONFIGFS_ACM=y
++CONFIG_USB_CONFIGFS_OBEX=y
++CONFIG_USB_CONFIGFS_NCM=y
++CONFIG_USB_CONFIGFS_ECM=y
++CONFIG_USB_CONFIGFS_ECM_SUBSET=y
++CONFIG_USB_CONFIGFS_RNDIS=y
++CONFIG_USB_CONFIGFS_EEM=y
++CONFIG_USB_CONFIGFS_MASS_STORAGE=y
++CONFIG_USB_CONFIGFS_F_LB_SS=y
++CONFIG_USB_CONFIGFS_F_FS=y
++CONFIG_USB_CONFIGFS_F_UAC1=y
++CONFIG_USB_CONFIGFS_F_UAC2=y
++CONFIG_USB_CONFIGFS_F_MIDI=y
++CONFIG_USB_CONFIGFS_F_HID=y
++CONFIG_USB_CONFIGFS_F_UVC=y
++CONFIG_USB_CONFIGFS_F_PRINTER=y
++CONFIG_USB_ZERO=m
++CONFIG_USB_AUDIO=m
++CONFIG_USB_ETH=m
++CONFIG_USB_G_NCM=m
++CONFIG_USB_GADGETFS=m
++CONFIG_USB_FUNCTIONFS=m
++CONFIG_USB_MASS_STORAGE=m
++CONFIG_USB_G_SERIAL=m
++CONFIG_MMC=y
++CONFIG_MMC_SDHCI=y
++CONFIG_MMC_SDHCI_PLTFM=y
++CONFIG_MMC_SDHCI_ESDHC_IMX=y
++CONFIG_NEW_LEDS=y
++CONFIG_LEDS_CLASS=y
++CONFIG_LEDS_GPIO=y
++CONFIG_LEDS_PWM=y
++CONFIG_LEDS_TRIGGERS=y
++CONFIG_LEDS_TRIGGER_TIMER=y
++CONFIG_LEDS_TRIGGER_ONESHOT=y
++CONFIG_LEDS_TRIGGER_HEARTBEAT=y
++CONFIG_LEDS_TRIGGER_BACKLIGHT=y
++CONFIG_LEDS_TRIGGER_GPIO=y
++CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
++CONFIG_RTC_CLASS=y
++CONFIG_RTC_INTF_DEV_UIE_EMUL=y
++CONFIG_RTC_DRV_DS1307=y
++CONFIG_RTC_DRV_ISL1208=y
++CONFIG_RTC_DRV_PCF8523=y
++CONFIG_RTC_DRV_PCF8563=y
++CONFIG_RTC_DRV_M41T80=y
++CONFIG_RTC_DRV_RC5T619=y
++CONFIG_RTC_DRV_DA9063=y
++CONFIG_RTC_DRV_MC13XXX=y
++CONFIG_RTC_DRV_MXC=y
++CONFIG_RTC_DRV_MXC_V2=y
++CONFIG_RTC_DRV_SNVS=y
++CONFIG_RTC_DRV_IMX_RPMSG=y
++CONFIG_DMADEVICES=y
++CONFIG_FSL_EDMA=y
++CONFIG_IMX_SDMA=y
++CONFIG_MXS_DMA=y
++CONFIG_MXC_PXP_V2=y
++CONFIG_MXC_PXP_V3=y
++CONFIG_DMATEST=m
++CONFIG_STAGING=y
++CONFIG_STAGING_MEDIA=y
++CONFIG_COMMON_CLK_PWM=y
++CONFIG_REMOTEPROC=y
++CONFIG_IMX_REMOTEPROC=y
++CONFIG_EXTCON_USB_GPIO=y
++CONFIG_IIO=y
++CONFIG_MMA8452=y
++CONFIG_IMX7D_ADC=y
++CONFIG_RN5T618_ADC=y
++CONFIG_VF610_ADC=y
++CONFIG_FXAS21002C=y
++CONFIG_FXOS8700_I2C=y
++CONFIG_RPMSG_IIO_PEDOMETER=m
++CONFIG_SENSORS_ISL29018=y
++CONFIG_MAG3110=y
++CONFIG_MPL3115=y
++CONFIG_PWM=y
++CONFIG_PWM_FSL_FTM=y
++CONFIG_PWM_IMX27=y
++CONFIG_PWM_IMX_TPM=y
++CONFIG_PHY_MIXEL_LVDS=y
++CONFIG_PHY_MIXEL_LVDS_COMBO=y
++CONFIG_NVMEM_IMX_OCOTP=y
++CONFIG_NVMEM_SNVS_LPGPR=y
++CONFIG_TEE=y
++CONFIG_OPTEE=y
++CONFIG_MUX_MMIO=y
++CONFIG_SIOX=m
++CONFIG_SIOX_BUS_GPIO=m
++CONFIG_MXC_SIM=y
++CONFIG_MXC_IPU=y
++CONFIG_MXC_SIMv2=y
++CONFIG_MXC_MLB150=y
++CONFIG_MXC_IPU_V3_PRE=y
++CONFIG_MXC_HDMI_CEC=y
++CONFIG_MXC_MIPI_CSI2=y
++CONFIG_EXT2_FS=y
++CONFIG_EXT2_FS_XATTR=y
++CONFIG_EXT2_FS_POSIX_ACL=y
++CONFIG_EXT2_FS_SECURITY=y
++CONFIG_EXT3_FS=y
++CONFIG_EXT3_FS_POSIX_ACL=y
++CONFIG_EXT3_FS_SECURITY=y
++CONFIG_QUOTA=y
++CONFIG_QUOTA_NETLINK_INTERFACE=y
++# CONFIG_PRINT_QUOTA_WARNING is not set
++CONFIG_AUTOFS4_FS=y
++CONFIG_FUSE_FS=y
++CONFIG_OVERLAY_FS=y
++CONFIG_ISO9660_FS=m
++CONFIG_JOLIET=y
++CONFIG_ZISOFS=y
++CONFIG_UDF_FS=m
++CONFIG_MSDOS_FS=m
++CONFIG_VFAT_FS=y
++CONFIG_TMPFS=y
++CONFIG_TMPFS_POSIX_ACL=y
++CONFIG_JFFS2_FS=y
++CONFIG_UBIFS_FS=y
++CONFIG_NFS_FS=y
++CONFIG_NFS_V3_ACL=y
++CONFIG_NFS_V4=y
++CONFIG_NFS_V4_1=y
++CONFIG_NFS_V4_2=y
++CONFIG_ROOT_NFS=y
++CONFIG_NLS_DEFAULT="cp437"
++CONFIG_NLS_CODEPAGE_437=y
++CONFIG_NLS_ASCII=y
++CONFIG_NLS_ISO8859_1=y
++CONFIG_NLS_ISO8859_15=m
++CONFIG_NLS_UTF8=y
++CONFIG_SECURITYFS=y
++CONFIG_CRYPTO_USER=y
++CONFIG_CRYPTO_TEST=m
++CONFIG_CRYPTO_ECHAINIV=m
++CONFIG_CRYPTO_TLS=m
++CONFIG_CRYPTO_CFB=m
++CONFIG_CRYPTO_CTS=m
++CONFIG_CRYPTO_LRW=m
++CONFIG_CRYPTO_OFB=m
++CONFIG_CRYPTO_PCBC=m
++CONFIG_CRYPTO_XCBC=m
++CONFIG_CRYPTO_VMAC=m
++CONFIG_CRYPTO_XXHASH=m
++CONFIG_CRYPTO_BLAKE2B=m
++CONFIG_CRYPTO_BLAKE2S=m
++CONFIG_CRYPTO_MD4=m
++CONFIG_CRYPTO_MD5=m
++CONFIG_CRYPTO_RMD160=m
++CONFIG_CRYPTO_SHA3=m
++CONFIG_CRYPTO_SM3=m
++CONFIG_CRYPTO_STREEBOG=m
++CONFIG_CRYPTO_WP512=m
++CONFIG_CRYPTO_ANUBIS=m
++CONFIG_CRYPTO_ARC4=m
++CONFIG_CRYPTO_BLOWFISH=m
++CONFIG_CRYPTO_CAMELLIA=m
++CONFIG_CRYPTO_CAST5=m
++CONFIG_CRYPTO_CAST6=m
++CONFIG_CRYPTO_DES=m
++CONFIG_CRYPTO_FCRYPT=m
++CONFIG_CRYPTO_KHAZAD=m
++CONFIG_CRYPTO_SEED=m
++CONFIG_CRYPTO_SERPENT=m
++CONFIG_CRYPTO_SM4=m
++CONFIG_CRYPTO_TEA=m
++CONFIG_CRYPTO_TWOFISH=m
++CONFIG_CRYPTO_ANSI_CPRNG=m
++CONFIG_CRYPTO_USER_API_RNG=m
++CONFIG_CRYPTO_DEV_FSL_CAAM_SECVIO=m
++CONFIG_CRYPTO_DEV_FSL_CAAM=m
++CONFIG_CRYPTO_DEV_FSL_CAAM_SM_TEST=m
++CONFIG_CRYPTO_DEV_SAHARA=y
++CONFIG_CRYPTO_DEV_MXS_DCP=y
++CONFIG_CRC_CCITT=m
++CONFIG_CRC_T10DIF=y
++CONFIG_CRC7=m
++CONFIG_LIBCRC32C=m
++CONFIG_DMA_CMA=y
++CONFIG_FONTS=y
++CONFIG_FONT_8x8=y
++CONFIG_FONT_8x16=y
++CONFIG_PRINTK_TIME=y
++# CONFIG_DEBUG_BUGVERBOSE is not set
++CONFIG_MAGIC_SYSRQ=y
++CONFIG_DEBUG_FS=y
++# CONFIG_SCHED_DEBUG is not set
++# CONFIG_DEBUG_PREEMPT is not set
++# CONFIG_FTRACE is not set
++
++# enable AF_ALG
++CONFIG_CRYPTO_USER_API_HASH=m
++CONFIG_CRYPTO_USER_API_SKCIPHER=m
++CONFIG_CRYPTO_USER_API_AEAD=m
++
++# enable KTLS
++CONFIG_TLS=y
++CONFIG_TLS_DEVICE=y
++
++#enable trust based hardware key
++CONFIG_TRUSTED_KEYS=m
++CONFIG_TRUSTED_KEYS_TPM=n
++CONFIG_TRUSTED_KEYS_TEE=n
++CONFIG_TRUSTED_KEYS_CAAM=n
++CONFIG_TRUSTED_KEYS_DCP=y
++
++# Custom Addition of Linke
++# enable one wire device driver
++CONFIG_W1=y
++CONFIG_W1_MASTER_GPIO=y
++CONFIG_W1_SLAVE_THERM=y
++
++# enable drm to realize fb
++CONFIG_DRM_MXSFB=y
+diff -Nuar --no-dereference linux-imx/drivers/gpu/drm/mxsfb/mxsfb_drv.c linux-imx-lf-5.15.71-2.2.0/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+--- linux-imx/drivers/gpu/drm/mxsfb/mxsfb_drv.c	2023-03-01 18:11:27.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/drivers/gpu/drm/mxsfb/mxsfb_drv.c	2023-07-19 17:20:17.405255888 +0800
+@@ -360,7 +360,8 @@
+ 	if (ret)
+ 		goto err_unload;
+ 
+-	drm_fbdev_generic_setup(drm, 32);
++	/* modify color depth to support RGB565 LCD by guowenxue */
++	drm_fbdev_generic_setup(drm, 16);
+ 
+ 	return 0;
+ 
+@@ -407,7 +408,7 @@
+ 	.probe		= mxsfb_probe,
+ 	.remove		= mxsfb_remove,
+ 	.driver	= {
+-		.name		= "mxsfb",
++		.name		= "mxsfb-drm",
+ 		.of_match_table	= mxsfb_dt_ids,
+ 		.pm		= &mxsfb_pm_ops,
+ 	},
+diff -Nuar --no-dereference linux-imx/drivers/gpu/drm/panel/panel-simple.c linux-imx-lf-5.15.71-2.2.0/drivers/gpu/drm/panel/panel-simple.c
+--- linux-imx/drivers/gpu/drm/panel/panel-simple.c	2023-03-01 18:11:28.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/drivers/gpu/drm/panel/panel-simple.c	2023-07-19 17:20:17.409256276 +0800
+@@ -4534,8 +4534,33 @@
+ 	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ };
+ 
++static const struct drm_display_mode igkboard_6ull_panel_mode[] = {
++	{
++		.clock = 30000,
++		.hdisplay = 800,
++		.hsync_start = 800 + 40,
++		.hsync_end = 800 + 40 + 48,
++		.htotal = 800 + 40 + 48 + 88,
++		.vdisplay = 480,
++		.vsync_start = 480 + 13,
++		.vsync_end = 480 + 13 + 3,
++		.vtotal = 480 + 13 + 3 + 32,
++		.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
++	},
++};
++
++static const struct panel_desc igkboard_6ull_panel = {
++	.modes = igkboard_6ull_panel_mode,
++	.num_modes = 1,
++	.bpc = 8,
++	.bus_format = MEDIA_BUS_FMT_RGB565_1X16,
++};
++
+ static const struct of_device_id platform_of_match[] = {
+ 	{
++		.compatible = "lingyun,igkboard-6ull-panel",
++		.data = &igkboard_6ull_panel,
++	}, {
+ 		.compatible = "ampire,am-1280800n3tzqw-t00h",
+ 		.data = &ampire_am_1280800n3tzqw_t00h,
+ 	}, {
+diff -Nuar --no-dereference linux-imx/drivers/video/backlight/pwm_bl.c linux-imx-lf-5.15.71-2.2.0/drivers/video/backlight/pwm_bl.c
+--- linux-imx/drivers/video/backlight/pwm_bl.c	2023-03-01 18:11:32.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/drivers/video/backlight/pwm_bl.c	2023-07-19 17:20:17.409256276 +0800
+@@ -552,6 +552,7 @@
+ 	if (!state.period && (data->pwm_period_ns > 0))
+ 		state.period = data->pwm_period_ns;
+ 
++	state.enabled = true; /*  Add by guowenxue to enalbe backlight as default */
+ 	ret = pwm_apply_state(pb->pwm, &state);
+ 	if (ret) {
+ 		dev_err(&pdev->dev, "failed to apply initial PWM state: %d\n",
+diff -Nuar --no-dereference linux-imx/drivers/video/fbdev/core/fbcon.c linux-imx-lf-5.15.71-2.2.0/drivers/video/fbdev/core/fbcon.c
+--- linux-imx/drivers/video/fbdev/core/fbcon.c	2023-03-01 18:11:32.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/drivers/video/fbdev/core/fbcon.c	2023-07-19 17:35:01.021613754 +0800
+@@ -355,6 +355,7 @@
+ 	return color;
+ }
+ 
++#if 0
+ static void fb_flashcursor(struct work_struct *work)
+ {
+ 	struct fb_info *info = container_of(work, struct fb_info, queue);
+@@ -388,6 +389,9 @@
+ 		    get_color(vc, info, c, 0));
+ 	console_unlock();
+ }
++#else
++static void fb_flashcursor(struct work_struct *work) {}
++#endif
+ 
+ static void cursor_timer_handler(struct timer_list *t)
+ {
+@@ -1317,6 +1321,7 @@
+ 		ops->clear_margins(vc, info, margin_color, bottom_only);
+ }
+ 
++#if 0
+ static void fbcon_cursor(struct vc_data *vc, int mode)
+ {
+ 	struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
+@@ -1341,6 +1346,9 @@
+ 	ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
+ 		    get_color(vc, info, c, 0));
+ }
++#else
++static void fbcon_cursor(struct vc_data *vc, int mode) {}
++#endif
+ 
+ static int scrollback_phys_max = 0;
+ static int scrollback_max = 0;
+diff -Nuar --no-dereference linux-imx/drivers/video/fbdev/mxsfb.c linux-imx-lf-5.15.71-2.2.0/drivers/video/fbdev/mxsfb.c
+--- linux-imx/drivers/video/fbdev/mxsfb.c	2023-03-01 18:11:32.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/drivers/video/fbdev/mxsfb.c	2023-07-19 17:20:17.409256276 +0800
+@@ -1586,7 +1586,6 @@
+ 
+ static const struct of_device_id mxsfb_dt_ids[] = {
+ 	{ .compatible = "fsl,imx23-lcdif", .data = &mxsfb_devtype[0], },
+-	{ .compatible = "fsl,imx28-lcdif", .data = &mxsfb_devtype[1], },
+ 	{ .compatible = "fsl,imx7ulp-lcdif", .data = &mxsfb_devtype[2], },
+ 	{ /* sentinel */ }
+ };
+diff -Nuar --no-dereference linux-imx/Makefile linux-imx-lf-5.15.71-2.2.0/Makefile
+--- linux-imx/Makefile	2023-03-01 18:11:24.000000000 +0800
++++ linux-imx-lf-5.15.71-2.2.0/Makefile	2023-07-19 17:30:21.943455434 +0800
+@@ -1910,6 +1910,7 @@
+ 		\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
+ 		-o -name '*.ko.*' \
+ 		-o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
++		-o -name '*.dtbo' \
+ 		-o -name '*.dwo' -o -name '*.lst' \
+ 		-o -name '*.su' -o -name '*.mod' \
+ 		-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
diff --git a/tools/imgmnt b/tools/imgmnt
new file mode 100755
index 0000000..62d15f3
--- /dev/null
+++ b/tools/imgmnt
@@ -0,0 +1,120 @@
+#!/bin/bash
+# This shell script used mount/umount an linux system image and update it
+
+mnt_boot=boot
+mnt_root=rootfs
+
+function mount_image()
+{ 
+    img_file=$1 
+    loop_dev=`losetup  -f | cut -d/ -f3`
+
+    if [ ! -s $img_file ] ; then 
+        echo "ERROR: $img_file not found!" 
+        exit 1; 
+    fi 
+
+    if [ -z $loop_dev ] ; then 
+        echo "ERROR: loop dev not found!"
+        exit 2;
+    fi 
+
+    echo "INFO: losetup /dev/${loop_dev} ${img_file}"
+    losetup /dev/${loop_dev} ${img_file}
+    if [ $? != 0 ] ; then 
+        echo "ERROR: losetup /dev/${loop_dev} ${img_file} failed!" 
+        exit 3; 
+    fi
+
+    echo "INFO: kpartx -av /dev/${loop_dev}"
+    kpartx -av /dev/${loop_dev}
+
+    echo "INFO: mount ${mnt_boot} ${mnt_root}"
+    mkdir -p ${mnt_boot} ${mnt_root}
+    mount /dev/mapper/${loop_dev}p1 ${mnt_boot}
+    mount /dev/mapper/${loop_dev}p2 ${mnt_root}
+
+    echo "INFO: mount $img_file done."
+}
+
+function umount_image()
+{
+    img_file=$1 
+
+    mountpoint $mnt_boot > /dev/null 2>&1
+    if [ $? == 0 ] ; then
+        echo "INFO: umount ${mnt_boot}"
+        umount ${mnt_boot}
+        rmdir  ${mnt_boot}
+    fi
+
+    mountpoint $mnt_root > /dev/null 2>&1
+    if [ $? == 0 ] ; then
+        echo "INFO: umount ${mnt_root}"
+        umount ${mnt_root}
+        rmdir  ${mnt_root}
+    fi
+
+    # loop_dev should be 'loopX' such as 'loop9'.
+    loop_dev=`losetup -a | grep $img_file| cut -d: -f1 | cut -d/ -f3`
+    if [[ -z $loop_dev ]] ; then
+        exit;
+    fi
+
+    if [[ -e /dev/mapper/${loop_dev}p1 ]] ; then
+        echo "INFO: kpartx -dv /dev/${loop_dev}"
+        kpartx -dv /dev/${loop_dev}
+    fi
+
+    echo "INFO: losetup -d /dev/${loop_dev}"
+    losetup -d /dev/${loop_dev}
+
+    echo "INFO: umount $img_file done."
+}
+
+
+function do_usage()
+{
+    echo ""
+    echo "Usage:"
+    echo "  $0 [-m] [-u] image_file"
+    echo "     -m:  mount the image file"
+    echo "     -u: umount the image file"
+    echo ""
+    exit;
+}
+
+action=
+img_file=
+
+while getopts "mu" OPTNAME
+do
+    case "${OPTNAME}" in
+        "m")
+            action=mount
+            ;;  
+
+        "u")
+            action=umount
+            ;;  
+
+        "*")
+            do_usage
+            ;;  
+    esac
+done
+
+shift $(( $OPTIND-1 ))
+img_file=$1
+
+if [[ -z $img_file ]] || [[ -z $action ]] ; then 
+    do_usage
+    exit;
+fi
+
+if [ $action == "mount" ] ; then
+    mount_image $img_file
+elif [ $action == "umount" ] ; then
+    umount_image $img_file
+fi
+
diff --git a/tools/setup_tools.sh b/tools/setup_tools.sh
new file mode 100755
index 0000000..2079b77
--- /dev/null
+++ b/tools/setup_tools.sh
@@ -0,0 +1,134 @@
+#!/bin/bash
+# This shell script used to system tools
+
+# AArch32 for iMX6ULL and AArch64 for iMX8MP
+AARCH=AArch32
+LY_FTPURL=http://main.iot-yun.club:2211
+
+# display in red
+function pr_error() {
+    echo -e "\033[40;31m --E-- $1 \033[0m\n"
+}
+
+# display in green
+function pr_info() {
+    echo -e "\033[40;32m --I-- $1 \033[0m\n"
+}
+
+if [ `id -u` != 0 ] ; then
+    pr_error "This shell script must be excuted as root privilege"
+    exit;
+fi
+
+function install_systools()
+{
+    if command -v jq > /dev/null 2>&1 ; then
+        pr_info "All system tools already installed, skip it"
+        return 0;
+    fi
+
+    pr_info "start apt install system tools(commands)"
+
+    systools="coreutils jq wget curl tree gawk sed unzip cpio bc lzop zstd rsync kmod kpartx \
+        desktop-file-utils iputils-ping xterm diffstat chrpath asciidoc docbook-utils help2man \
+        build-essential gcc g++ make cmake automake groff socat flex texinfo bison texi2html \
+        git cvs subversion mercurial autoconf autoconf-archive parted dosfstools \
+        python3 python3-pip python3-pexpect python3-git python3-jinja2 \
+        lib32z1 libssl-dev libncurses-dev libgl1-mesa-dev libglu1-mesa-dev libsdl1.2-dev "
+
+    apt update > /dev/null 2>&1
+    apt install -y $systools
+}
+
+
+function install_devtools()
+{
+    if command -v debootstrap > /dev/null 2>&1 ; then
+        pr_info "All development tools already installed, skip it"
+        return 0;
+    fi
+
+    pr_info "start apt install devlopment tools(commands)"
+
+    devtools="u-boot-tools mtd-utils device-tree-compiler binfmt-support \
+                qemu qemu-user-static debootstrap debian-archive-keyring "
+
+    apt install -y $devtools
+}
+
+
+# NXP document suggest cross compiler from ARM Developer:
+#   https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
+function install_crosstool()
+{
+    ARMTOOL_VER=10.3-2021.07
+
+    # install AArch32/AArch64 cross compiler from ARM Developer:
+
+    if [ $AARCH == "AArch64" ] ; then
+        CortexA_PACK=gcc-arm-$ARMTOOL_VER-`uname -p`-aarch64-none-linux-gnu
+        CortexA_NAME=gcc-aarch64-$ARMTOOL_VER
+        CROSS_TOOL=aarch64-none-linux-gnu-
+    else
+        CortexA_PACK=gcc-arm-$ARMTOOL_VER-`uname -p`-arm-none-linux-gnueabihf
+        CortexA_NAME=gcc-aarch32-$ARMTOOL_VER
+        CROSS_TOOL=arm-none-linux-gnueabihf-
+    fi
+
+    CortexA_TAR=$CortexA_PACK.tar.xz
+    CortexA_URL=https://developer.arm.com/-/media/Files/downloads/gnu-a/$ARMTOOL_VER/binrel/
+
+    if [ -d /opt/$CortexA_NAME ]  ; then
+        pr_info "$AARCH crosstool $CortexA_NAME installed already, skip it"
+    else
+        pr_info "start download $AARCH cross compiler from ARM Developer"
+        if [ ! -s $CortexA_TAR ] ; then
+            wget $CortexA_URL/$CortexA_TAR
+        fi
+
+        tar -xJf $CortexA_TAR -C /opt
+        rm -f $CortexA_TAR
+
+        mv /opt/$CortexA_PACK /opt/$CortexA_NAME
+
+        /opt/$CortexA_NAME/bin/${CROSS_TOOL}gcc -v
+        pr_info "$AARCH cross compiler installed to \"/opt/$CortexA_NAME\" successfully"
+    fi
+}
+
+install_buildroot()
+{
+    BUILDROOT_VER=gcc-10.4-aarch32-v2023.02
+    BUILDROOT_TAR=buildroot-${BUILDROOT_VER}.tar.xz
+    INST_PATH=/opt/buildroot/
+
+    if [ -d $INST_PATH/$BUILDROOT_VER ] ;  then
+        pr_info "Buildroot crosstool $BUILDROOT_VER installed already, skip it"
+        return ;
+    fi
+
+    pr_info "start download buildroot cross compiler from LingYun IoT studio file server"
+    if [ ! -f $BUILDROOT_TAR ] ; then
+        wget $LY_FTPURL/imx/igkboard-6ull/tools/$BUILDROOT_TAR
+    fi
+
+    mkdir -p $INST_PATH
+
+    tar -xJf $BUILDROOT_TAR -C $INST_PATH
+    rm -f $BUILDROOT_TAR
+
+    $INST_PATH/$BUILDROOT_VER/bin/arm-linux-gcc -v
+
+    pr_info "Buildroot cross compiler installed to \"$INST_PATH/$BUILDROOT_VER/\" successfully"
+}
+
+echo ""
+set -e
+
+install_systools
+
+install_devtools
+
+install_crosstool
+
+install_buildroot
diff --git a/yocto/build.sh b/yocto/build.sh
new file mode 100755
index 0000000..4f21619
--- /dev/null
+++ b/yocto/build.sh
@@ -0,0 +1,189 @@
+#!/bin/bash
+
+# bitbake target
+BB_TARGET=yocto-image-full
+
+# this project absolute path
+PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
+
+# top project absolute path
+TOP_PATH=$(realpath $PRJ_PATH/..)
+
+# binaries install path
+INST_PATH=$PRJ_PATH/install
+
+# download taballs path
+TARBALL_PATH=$PRJ_PATH/tarballs
+
+# config file path
+CONF_FILE=$TOP_PATH/config.json
+
+# Download path
+#DL_PATH="/srv/yocto_packets/"
+
+# shell script will exit once get command error
+set -e
+
+#+-------------------------+
+#| Shell script functions  |
+#+-------------------------+
+
+function pr_error() {
+    echo -e "\033[40;31m $1 \033[0m"
+}
+
+function pr_warn() {
+    echo -e "\033[40;33m $1 \033[0m"
+}
+
+function pr_info() {
+    echo -e "\033[40;32m $1 \033[0m"
+}
+
+# decompress a packet to destination path
+function do_unpack()
+{
+    tarball=$1
+    dstpath=`pwd`
+
+    if [[ $# == 2 ]] ; then
+        dstpath=$2
+    fi
+
+    pr_info "decompress $tarball => $dstpath"
+
+    mkdir -p $dstpath
+    case $tarball in
+        *.tar.gz)
+            tar -xzf $tarball -C $dstpath
+            ;;
+
+        *.tar.bz2)
+            tar -xjf $tarball -C $dstpath
+            ;;
+
+        *.tar.xz)
+            tar -xJf $tarball -C $dstpath
+            ;;
+
+        *.tar.zst)
+            tar -I zstd -xf $tarball -C $dstpath
+            ;;
+
+        *.tar)
+            tar -xf $tarball -C $dstpath
+            ;;
+
+        *.zip)
+            unzip -qo $tarball -d $dstpath
+            ;;
+
+        *)
+            pr_error "decompress Unsupport packet: $tarball"
+            return 1;
+            ;;
+    esac
+}
+
+# parser configure file and export environment variable
+function export_env()
+{
+    export BOARD=`jq -r ".bsp.board" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export BSP_VER=`jq -r ".bsp.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export URL=`jq -r ".bsp.download" $CONF_FILE | tr 'A-Z' 'a-z'`
+    export YCT_VER=`jq -r ".system.version" $CONF_FILE | tr 'A-Z' 'a-z'`
+
+    export YCT_PATH=$PRJ_PATH/$YCT_VER
+    export BUILD_DIR=${BOARD}
+}
+
+function do_fetch()
+{
+    if [ ! -d $YCT_PATH/sources ] ; then
+
+        pr_info "start fetch Yocto $YCT_VER source code"
+
+        TARBALL_NAME=$YCT_VER-$BSP_VER.tar.xz
+
+        # Download source code packet
+        if [ ! -s $TARBALL_PATH/$TARBALL_NAME ] ; then
+            pr_info "start fetch $src source code"
+            wget $URL/bsp/yocto/$TARBALL_NAME -P $TARBALL_PATH
+        fi
+
+        # decompress source code packet
+        do_unpack $TARBALL_PATH/$TARBALL_NAME
+
+        mv imx-yocto-bsp $YCT_PATH
+    else
+        pr_warn "Yocto $YCT_VER source code fetched already"
+    fi
+
+    if [ ! -e $YCT_PATH/sources/meta-igkboard ] ; then
+        cd $YCT_PATH/sources/
+        git clone http://main.iot-yun.club:8088/r/meta-igkboard.git -b $YCT_VER
+    fi
+}
+
+function do_build()
+{
+    cd $YCT_PATH
+
+    if [ ! -f ${BUILD_DIR}/conf/local.conf ] ; then
+        pr_info "source igkboard-setup.sh"
+        MACHINE=${BOARD} source sources/meta-igkboard/tools/igkboard-setup.sh -b $BUILD_DIR
+    else
+        pr_info "source poky/oe-init-build-env"
+        source sources/poky/oe-init-build-env $BUILD_DIR
+    fi
+
+    if [[ -n "$DL_PATH" ]] ; then
+        sed -i "s|^#DL_DIR.*|DL_DIR ?= \"$DL_PATH\"|g" conf/local.conf
+        sed -i "s|^DL_DIR.*|DL_DIR ?= \"$DL_PATH\"|g" conf/local.conf
+    fi
+
+    bitbake $BB_TARGET
+}
+
+function do_install()
+{
+    cd $YCT_PATH
+
+    echo ""
+    pr_info "Yocto($YCT_VER) installed to '$INST_PATH'"
+
+    mkdir -p ${INST_PATH}
+    cp $BUILD_DIR/tmp/deploy/images/$BOARD/$BB_TARGET-$BOARD-*.rootfs.tar.zst ${INST_PATH}/rootfs-yocto-${YCT_VER}.tar.zst
+    cp $BUILD_DIR/tmp/deploy/images/$BOARD/u-boot-${BOARD}.imx ${INST_PATH}/
+    chmod a+x ${INST_PATH}/u-boot-${BOARD}.imx
+    cp $BUILD_DIR/tmp/deploy/images/$BOARD/$BB_TARGET-$BOARD.wic.zst ${INST_PATH}/yocto-image-${YCT_VER}.wic.zst
+
+    ls ${INST_PATH} && echo ""
+}
+
+function do_clean()
+{
+    cd $PRJ_PATH
+
+    rm -rf $INST_PATH
+}
+
+#+-------------------------+
+#| Shell script body entry |
+#+-------------------------+
+
+export_env
+
+if [[ $# == 1 && $1 == -c ]] ;then
+    pr_warn "start clean Yocto source code"
+    do_clean
+    exit;
+fi
+
+pr_warn "start build Yocto $YCT_VER for ${BOARD}"
+
+do_fetch
+
+do_build
+
+do_install

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