From f65620d524df2a16958a4be9adc4845ced887902 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Mon, 06 Nov 2023 15:57:08 +0800
Subject: [PATCH] add linux-imx-lf-6.1.36-2.1.0.patch and remove unused old linux kernel patch

---
 kernel/patches/igkboard-6ull/linux-imx-lf-6.1.36-2.1.0.patch | 1467 ++++++++++++++++++++++++++++------------------------------
 1 files changed, 706 insertions(+), 761 deletions(-)

diff --git a/kernel/patches/igkboard-6ull/linux-imx-lf-5.15.32-2.0.0.patch b/kernel/patches/igkboard-6ull/linux-imx-lf-6.1.36-2.1.0.patch
similarity index 75%
rename from kernel/patches/igkboard-6ull/linux-imx-lf-5.15.32-2.0.0.patch
rename to kernel/patches/igkboard-6ull/linux-imx-lf-6.1.36-2.1.0.patch
index a5a8521..01d5f68 100644
--- a/kernel/patches/igkboard-6ull/linux-imx-lf-5.15.32-2.0.0.patch
+++ b/kernel/patches/igkboard-6ull/linux-imx-lf-6.1.36-2.1.0.patch
@@ -1,9 +1,577 @@
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/igkboard.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts
---- linux-imx/arch/arm/boot/dts/igkboard.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts	2022-11-28 06:04:24.463613926 -0800
-@@ -0,0 +1,609 @@
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/igkboard-6ull/adc.dts linux-imx-lf-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/adc.dts	2023-11-06 15:16:50.916823305 +0800
+@@ -0,0 +1,27 @@
 +/*
-+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
++ * 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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/cam.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/can1.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/can2.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/i2c1.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/lcd.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/Makefile	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/nbiot-4g.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/pwm7.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/pwm8.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/spi1.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/uart2.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/uart3.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/uart4.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/uart7.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull/w1.dts	2023-11-06 15:16:50.916823305 +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-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/boot/dts/igkboard-6ull.dts	2023-11-06 15:16:50.916823305 +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.
@@ -16,7 +584,7 @@
 +
 +/ {
 +    model = "LingYun IoT System Studio IoT Gateway Board";
-+	compatible = "fsl,imx6ull-14x14-evk", "fsl,imx6ull";
++	compatible = "lingyun,igkboard-6ull", "fsl,imx6ull";
 +
 +	chosen {
 +		stdout-path = &uart1;
@@ -406,12 +974,6 @@
 +&iomuxc {
 +	pinctrl-names = "default";
 +
-+	pinctrl_camera_clock: cameraclockgrp {
-+		fsl,pins = <
-+			MX6UL_PAD_CSI_MCLK__CSI_MCLK		0x1b088
-+		>;
-+	};
-+
 +    pinctrl_gpio_leds: gpio-leds {
 +		fsl,pins = <
 +			MX6UL_PAD_NAND_DQS__GPIO4_IO16			0x17059 /* led run */
@@ -442,6 +1004,7 @@
 +		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
@@ -611,682 +1174,22 @@
 +
 +};
 +
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/Makefile linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile
---- linux-imx/arch/arm/boot/dts/Makefile	2022-11-28 06:08:27.847623408 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile	2022-11-28 06:04:23.919613905 -0800
-@@ -1586,3 +1586,6 @@
- 	aspeed-bmc-portwell-neptune.dtb \
- 	aspeed-bmc-quanta-q71l.dtb \
- 	aspeed-bmc-supermicro-x11spi.dtb
-+DTC_FLAGS_igkboard := -@
-+dtb-$(CONFIG_SOC_IMX6UL) += igkboard.dtb
-+subdir-$(CONFIG_SOC_IMX6UL) += overlays
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/adc.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/adc.dts
---- linux-imx/arch/arm/boot/dts/overlays/adc.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/adc.dts	2022-11-28 06:04:26.879614021 -0800
-@@ -0,0 +1,27 @@
-+/*
-+ * Copyright (C) 2022 LingYun IoT System Studio
-+ * Author:  Guo Wenxue<guowenxue@gmail.com>
-+ */
-+/dts-v1/;
-+/plugin/;
+diff -Nuar --no-dereference linux-imx/arch/arm/boot/dts/Makefile linux-imx-lf-6.1.36-2.1.0/arch/arm/boot/dts/Makefile
+--- linux-imx/arch/arm/boot/dts/Makefile	2023-11-02 19:16:16.000000000 +0800
++++ linux-imx-lf-6.1.36-2.1.0/arch/arm/boot/dts/Makefile	2023-11-06 15:18:03.133120462 +0800
+@@ -1749,3 +1749,8 @@
+ 	aspeed-bmc-vegman-n110.dtb \
+ 	aspeed-bmc-vegman-rx20.dtb \
+ 	aspeed-bmc-vegman-sx20.dtb
 +
-+#include "../imx6ul-pinfunc.h"
++DTC_FLAGS_igkboard-6ull := -@
++dtb-$(CONFIG_SOC_IMX6UL) += igkboard-6ull.dtb
++subdir-$(CONFIG_SOC_IMX6UL) += igkboard-6ull
 +
-+/* 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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/cam.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts
---- linux-imx/arch/arm/boot/dts/overlays/cam.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts	2022-11-28 06:04:26.883614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/can1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts
---- linux-imx/arch/arm/boot/dts/overlays/can1.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts	2022-11-28 06:04:26.883614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/can2.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts
---- linux-imx/arch/arm/boot/dts/overlays/can2.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts	2022-11-28 06:04:26.883614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/i2c1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts
---- linux-imx/arch/arm/boot/dts/overlays/i2c1.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts	2022-11-28 06:04:26.887614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/lcd_drm.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd_drm.dts
---- linux-imx/arch/arm/boot/dts/overlays/lcd_drm.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd_drm.dts	2022-11-28 06:04:26.887614021 -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 = "fsl,imx6ull-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
-+		>;
-+	};
-+};
-+
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/lcd.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts
---- linux-imx/arch/arm/boot/dts/overlays/lcd.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts	2022-11-28 06:04:26.887614021 -0800
-@@ -0,0 +1,89 @@
-+/*
-+ * 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 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>;
-+	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>;
-+			};
-+		};
-+	};
-+};
-+
-+&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
-+		>;
-+	};
-+};
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/Makefile linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile
---- linux-imx/arch/arm/boot/dts/overlays/Makefile	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile	2022-11-28 06:04:26.879614021 -0800
-@@ -0,0 +1,20 @@
-+# 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
-+dtb-y += lcd_drm.dtbo
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts
---- linux-imx/arch/arm/boot/dts/overlays/nbiot-4g.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts	2022-11-28 06:04:26.891614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/pwm7.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts
---- linux-imx/arch/arm/boot/dts/overlays/pwm7.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts	2022-11-28 06:04:26.891614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/pwm8.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts
---- linux-imx/arch/arm/boot/dts/overlays/pwm8.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts	2022-11-28 06:04:26.895614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/spi1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts
---- linux-imx/arch/arm/boot/dts/overlays/spi1.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts	2022-11-28 06:04:26.895614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart2.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts
---- linux-imx/arch/arm/boot/dts/overlays/uart2.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts	2022-11-28 06:04:26.895614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart3.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts
---- linux-imx/arch/arm/boot/dts/overlays/uart3.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts	2022-11-28 06:04:26.899614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart4.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts
---- linux-imx/arch/arm/boot/dts/overlays/uart4.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts	2022-11-28 06:04:26.899614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/uart7.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts
---- linux-imx/arch/arm/boot/dts/overlays/uart7.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts	2022-11-28 06:04:26.899614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/boot/dts/overlays/w1.dts linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/w1.dts
---- linux-imx/arch/arm/boot/dts/overlays/w1.dts	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/w1.dts	2022-11-28 06:04:26.903614021 -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 -x logo_linux_clut224.ppm linux-imx/arch/arm/configs/igkboard_defconfig linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig
---- linux-imx/arch/arm/configs/igkboard_defconfig	1969-12-31 16:00:00.000000000 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig	2022-11-28 06:04:27.851614058 -0800
-@@ -0,0 +1,587 @@
+diff -Nuar --no-dereference linux-imx/arch/arm/configs/igkboard-6ull_defconfig linux-imx-lf-6.1.36-2.1.0/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-6.1.36-2.1.0/arch/arm/configs/igkboard-6ull_defconfig	2023-11-06 15:27:28.409402087 +0800
+@@ -0,0 +1,604 @@
 +CONFIG_KERNEL_LZO=y
 +CONFIG_SYSVIPC=y
 +CONFIG_POSIX_MQUEUE=y
@@ -1351,8 +1254,6 @@
 +CONFIG_NET=y
 +CONFIG_PACKET=y
 +CONFIG_UNIX=y
-+CONFIG_TLS=y
-+CONFIG_TLS_DEVICE=y
 +CONFIG_INET=y
 +CONFIG_IP_MULTICAST=y
 +CONFIG_IP_PNP=y
@@ -1533,9 +1434,6 @@
 +CONFIG_GPIO_PCF857X=y
 +CONFIG_GPIO_STMPE=y
 +CONFIG_GPIO_74X164=y
-+CONFIG_W1=y
-+CONFIG_W1_MASTER_GPIO=y
-+CONFIG_W1_SLAVE_THERM=y
 +CONFIG_POWER_RESET=y
 +CONFIG_POWER_RESET_SYSCON=y
 +CONFIG_POWER_RESET_SYSCON_POWEROFF=y
@@ -1850,10 +1748,7 @@
 +CONFIG_CRYPTO_TEA=m
 +CONFIG_CRYPTO_TWOFISH=m
 +CONFIG_CRYPTO_ANSI_CPRNG=m
-+CONFIG_CRYPTO_USER_API_HASH=m
-+CONFIG_CRYPTO_USER_API_SKCIPHER=m
 +CONFIG_CRYPTO_USER_API_RNG=m
-+CONFIG_CRYPTO_USER_API_AEAD=m
 +CONFIG_CRYPTO_DEV_FSL_CAAM_SECVIO=m
 +CONFIG_CRYPTO_DEV_FSL_CAAM=m
 +CONFIG_CRYPTO_DEV_FSL_CAAM_SM_TEST=m
@@ -1874,99 +1769,149 @@
 +# CONFIG_SCHED_DEBUG is not set
 +# CONFIG_DEBUG_PREEMPT is not set
 +# CONFIG_FTRACE is not set
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/gpu/drm/mxsfb/mxsfb_drv.c linux-imx-lf-5.10.52-2.1.0/drivers/gpu/drm/mxsfb/mxsfb_drv.c
---- linux-imx/drivers/gpu/drm/mxsfb/mxsfb_drv.c	2022-11-28 06:08:47.387624169 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/drivers/gpu/drm/mxsfb/mxsfb_drv.c	2022-11-28 06:04:49.967614920 -0800
-@@ -407,7 +407,7 @@
- 	.probe		= mxsfb_probe,
++
++# 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-6.1.36-2.1.0/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+--- linux-imx/drivers/gpu/drm/mxsfb/mxsfb_drv.c	2023-11-02 19:16:20.000000000 +0800
++++ linux-imx-lf-6.1.36-2.1.0/drivers/gpu/drm/mxsfb/mxsfb_drv.c	2023-11-06 15:53:47.190930928 +0800
+@@ -370,7 +370,7 @@
+ 	if (ret)
+ 		goto err_unload;
+ 
+-	drm_fbdev_generic_setup(drm, 32);
++	drm_fbdev_generic_setup(drm, 16); /* modify color depth to support RGB565 LCD by guowenxue */
+ 
+ 	return 0;
+ 
+@@ -426,7 +426,7 @@
  	.remove		= mxsfb_remove,
+ 	.shutdown	= mxsfb_shutdown,
  	.driver	= {
 -		.name		= "mxsfb",
 +		.name		= "mxsfb-drm",
  		.of_match_table	= mxsfb_dt_ids,
  		.pm		= &mxsfb_pm_ops,
  	},
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/gpu/drm/panel/panel-simple.c linux-imx-lf-5.10.52-2.1.0/drivers/gpu/drm/panel/panel-simple.c
---- linux-imx/drivers/gpu/drm/panel/panel-simple.c	2022-11-28 06:08:48.747624222 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/drivers/gpu/drm/panel/panel-simple.c	2022-11-28 06:04:51.015614961 -0800
-@@ -4502,8 +4502,37 @@
+diff -Nuar --no-dereference linux-imx/drivers/gpu/drm/panel/panel-simple.c linux-imx-lf-6.1.36-2.1.0/drivers/gpu/drm/panel/panel-simple.c
+--- linux-imx/drivers/gpu/drm/panel/panel-simple.c	2023-11-02 19:16:20.000000000 +0800
++++ linux-imx-lf-6.1.36-2.1.0/drivers/gpu/drm/panel/panel-simple.c	2023-11-06 15:22:10.121834728 +0800
+@@ -4024,8 +4024,33 @@
  	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
  };
  
-+static const struct drm_display_mode fsl_imx6ull_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 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 fsl_imx6ull_panel = {
-+	.modes = fsl_imx6ull_panel_mode,
-+	.num_modes = 1,
-+	.bpc = 8,
-+	.size = {
-+		.width = 110,
-+		.height = 60,
-+	},
-+	.bus_format = MEDIA_BUS_FMT_RGB565_1X16,
++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 = "fsl,imx6ull-panel",
-+		.data = &fsl_imx6ull_panel,
++		.compatible = "lingyun,igkboard-6ull-panel",
++		.data = &igkboard_6ull_panel,
 +	}, {
  		.compatible = "ampire,am-1280800n3tzqw-t00h",
  		.data = &ampire_am_1280800n3tzqw_t00h,
  	}, {
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/video/backlight/pwm_bl.c linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c
---- linux-imx/drivers/video/backlight/pwm_bl.c	2022-11-28 06:09:10.931625086 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c	2022-11-28 06:05:23.943616244 -0800
-@@ -552,6 +552,7 @@
- 	if (!state.period && (data->pwm_period_ns > 0))
- 		state.period = data->pwm_period_ns;
+diff -Nuar --no-dereference linux-imx/drivers/video/backlight/pwm_bl.c linux-imx-lf-6.1.36-2.1.0/drivers/video/backlight/pwm_bl.c
+--- linux-imx/drivers/video/backlight/pwm_bl.c	2023-11-02 19:16:23.000000000 +0800
++++ linux-imx-lf-6.1.36-2.1.0/drivers/video/backlight/pwm_bl.c	2023-11-06 15:23:41.654067332 +0800
+@@ -53,7 +53,7 @@
+ 	if (err < 0)
+ 		dev_err(pb->dev, "failed to enable power supply\n");
  
-+	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 -x logo_linux_clut224.ppm linux-imx/drivers/video/fbdev/mxsfb.c linux-imx-lf-5.10.52-2.1.0/drivers/video/fbdev/mxsfb.c
---- linux-imx/drivers/video/fbdev/mxsfb.c	2022-11-28 06:09:11.115625093 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/drivers/video/fbdev/mxsfb.c	2022-11-28 06:05:24.299616257 -0800
+-	state.enabled = true;
++	state.enabled = true; /* enalbe backlight as default */
+ 	pwm_apply_state(pb->pwm, &state);
+ 
+ 	if (pb->post_pwm_on_delay)
+diff -Nuar --no-dereference linux-imx/drivers/video/fbdev/core/fbcon.c linux-imx-lf-6.1.36-2.1.0/drivers/video/fbdev/core/fbcon.c
+--- linux-imx/drivers/video/fbdev/core/fbcon.c	2023-11-02 19:16:23.000000000 +0800
++++ linux-imx-lf-6.1.36-2.1.0/drivers/video/fbdev/core/fbcon.c	2023-11-06 15:25:02.898865305 +0800
+@@ -345,6 +345,7 @@
+ 	return color;
+ }
+ 
++#if 0 /* comment by guowenxue */
+ static void fb_flashcursor(struct work_struct *work)
+ {
+ 	struct fbcon_ops *ops = container_of(work, struct fbcon_ops, cursor_work.work);
+@@ -384,6 +385,9 @@
+ 	queue_delayed_work(system_power_efficient_wq, &ops->cursor_work,
+ 			   ops->cur_blink_jiffies);
+ }
++#else
++static void fb_flashcursor(struct work_struct *work) {}
++#endif
+ 
+ static void fbcon_add_cursor_work(struct fb_info *info)
+ {
+@@ -1301,6 +1305,7 @@
+ 		ops->clear_margins(vc, info, margin_color, bottom_only);
+ }
+ 
++#if 0 /* comment by guowenxue */
+ static void fbcon_cursor(struct vc_data *vc, int mode)
+ {
+ 	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
+@@ -1325,6 +1330,9 @@
+ 	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-6.1.36-2.1.0/drivers/video/fbdev/mxsfb.c
+--- linux-imx/drivers/video/fbdev/mxsfb.c	2023-11-02 19:16:23.000000000 +0800
++++ linux-imx-lf-6.1.36-2.1.0/drivers/video/fbdev/mxsfb.c	2023-11-06 15:25:54.296899119 +0800
 @@ -1586,7 +1586,7 @@
  
  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,imx28-lcdif", .data = &mxsfb_devtype[1], },
++	//{ .compatible = "fsl,imx28-lcdif", .data = &mxsfb_devtype[1], }, /* Use DRM driver as default */
  	{ .compatible = "fsl,imx7ulp-lcdif", .data = &mxsfb_devtype[2], },
  	{ /* sentinel */ }
  };
-diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/Makefile linux-imx-lf-5.10.52-2.1.0/Makefile
---- linux-imx/Makefile	2022-11-28 06:08:27.447623392 -0800
-+++ linux-imx-lf-5.10.52-2.1.0/Makefile	2022-11-28 06:04:21.247613801 -0800
-@@ -382,6 +382,8 @@
- # Default value for CROSS_COMPILE is not to prefix executables
- # Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile
- ARCH		?= $(SUBARCH)
-+ARCH = arm
-+CROSS_COMPILE ?= /opt/gcc-arm-10.3-2021.07/bin/arm-none-linux-gnueabihf-
- 
- # Architecture as present in compile.h
- UTS_MACHINE 	:= $(ARCH)
-@@ -1880,6 +1882,7 @@
- 		\( -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' \

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