From 472531a0e14cf3d83d241cf26dbc2ef47a4108d9 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Thu, 30 Jun 2022 22:28:06 +0800
Subject: [PATCH] update linux patch, add 4G/NB-IoT and overlays support
---
bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch | 439 ++++++++++++++++++++++++++++--------------------------
1 files changed, 227 insertions(+), 212 deletions(-)
diff --git a/bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch b/bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch
index 65df545..374b602 100644
--- a/bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch
+++ b/bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch
@@ -1,18 +1,18 @@
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts 2022-06-05 19:34:04.307411774 +0800
-@@ -0,0 +1,704 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts 2022-06-30 20:52:22.149803784 +0800
+@@ -0,0 +1,592 @@
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
+ * Based on imx6ul-14x14-evk.dts/imx6ul-14x14-evk.dtsi
+ *
+ * Copyright (C) 2022 LingYun IoT System Studio.
-+ * Author: Guo Wenxue<guowenxue@gmail.com>
++ * Author: Guo Wenxue<guowenxue@gmail.com>
+ */
+
+/dts-v1/;
+
-+#include "imx6ul.dtsi"
++#include "imx6ull.dtsi"
+
+/ {
+ model = "LingYun IoT System Studio IoT Gateway Board";
@@ -38,14 +38,6 @@
+ size = <0xa000000>;
+ linux,cma-default;
+ };
-+ };
-+
-+ backlight_display: backlight-display {
-+ compatible = "pwm-backlight";
-+ pwms = <&pwm1 0 5000000>;
-+ brightness-levels = <0 4 8 16 32 64 128 255>;
-+ default-brightness-level = <6>;
-+ status = "okay";
+ };
+
+ buzzer: pwm-buzzer {
@@ -143,6 +135,15 @@
+ 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 = <®_3p3v>;
++ status = "disabled"; /* Enable in LCD overlay */
++ };
++
+/*
+ sound-mqs {
+ compatible = "fsl,imx-audio-mqs";
@@ -155,14 +156,10 @@
+*/
+};
+
-+/*+-------------------+
-+ | Misc Modules |
-+ +-------------------+*/
+
-+&clks {
-+ assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
-+ assigned-clock-rates = <786432000>;
-+};
++/*+--------------+
++ | Misc Modules |
++ +--------------+*/
+
+&snvs_poweroff {
+ status = "okay";
@@ -192,15 +189,10 @@
+ status = "okay";
+};
+
-+&wdog1 {
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&pinctrl_wdog>;
-+ fsl,ext-reset-output;
-+};
+
-+/*+-------------------+
-+ | Camera Module |
-+ +-------------------+*/
++/*+---------------+
++ | Camera Module |
++ +---------------+*/
+
+&i2c2 {
+ clock-frequency = <100000>;
@@ -219,7 +211,7 @@
+ interrupt-parent = <&gpio5>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+
-+ status = "okay";
++ status = "disabled"; /* Enable in LCD overlay */
+ };
+
+ rtc@6f {
@@ -247,7 +239,7 @@
+ mclk = <24000000>;
+ mclk_source = <0>;
+ /* rotation = <180>; */
-+ status = "okay";
++ status = "disabled"; /* Enable in CAM overlay */
+ port {
+ ov5640_ep: endpoint {
+ remote-endpoint = <&csi1_ep>;
@@ -256,8 +248,8 @@
+ };
+};
+
-+&csi { /* camera ov5640 */
-+ status = "okay";
++&csi {
++ status = "disabled"; /* Enable in CAM overlay */
+ port {
+ csi1_ep: endpoint {
+ remote-endpoint = <&ov5640_ep>;
@@ -266,9 +258,15 @@
+};
+
+
-+/*+-------------------+
-+ | Audio Module |
-+ +-------------------+*/
++/*+--------------+
++ | Audio Module |
++ +--------------+*/
++
++&clks {
++ assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
++ assigned-clock-rates = <786432000>;
++};
++
+/*
+&mqs {
+ pinctrl-names = "default";
@@ -289,10 +287,9 @@
+};
+
+
-+
-+/*+-------------------+
-+ | Ethernet Modules |
-+ +-------------------+*/
++/*+------------------+
++ | Ethernet Modules |
++ +------------------+*/
+
+&fec1 { /* eth0 */
+ pinctrl-names = "default";
@@ -338,10 +335,9 @@
+};
+
+
-+
-+/*+-------------------+
-+ | USB interface |
-+ +-------------------+*/
++/*+---------------+
++ | USB interface |
++ +---------------+*/
+
+&usbotg1 {
+ dr_mode = "otg";
@@ -365,9 +361,9 @@
+};
+
+
-+/*+-------------------+
-+ | USDCHC interface |
-+ +-------------------+*/
++/*+------------------+
++ | USDCHC interface |
++ +------------------+*/
+
+&usdhc1 { /* tf card slot */
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
@@ -393,113 +389,9 @@
+};
+
+
-+/*+------------------------------+
-+ | 40 Pin Header GPIO iomuxc |
-+ +------------------------------+*/
-+
-+&iomuxc {
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&pinctrl_extgpio>;
-+ pinctrl-1 = <&pinctrl_flexcan1>;
-+ pinctrl-2 = <&pinctrl_flexcan2>;
-+ pinctrl-3 = <&pinctrl_i2c1>;
-+ pinctrl-4 = <&pinctrl_lcdif_dat>;
-+ pinctrl-5 = <&pinctrl_pwm>;
-+ pinctrl-6 = <&pinctrl_ecspi1_master>;
-+ pinctrl-7 = <&pinctrl_uart2>;
-+ pinctrl-8 = <&pinctrl_uart3>;
-+ pinctrl-9 = <&pinctrl_uart4>;
-+ pinctrl-10 = <&pinctrl_uart7>;
-+
-+ pinctrl_extgpio: extgpiogrp {
-+ fsl,pins = <
-+ MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x17059 /* 7# GPIO */
-+ MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01 0x17059 /* 35# GPIO */
-+ MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08 0x17059 /* 37# GPIO */
-+ 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_i2c1: i2c1grp {
-+ fsl,pins = <
-+ MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0x17059 /* 3# I2C1_SDA */
-+ MX6UL_PAD_GPIO1_IO02__I2C1_SCL 0x17059 /* 5# I2C1_SCL */
-+ >;
-+ };
-+
-+ pinctrl_flexcan1: flexcan1grp{
-+ fsl,pins = <
-+ MX6UL_PAD_UART3_CTS_B__GPIO1_IO26 0x17059 /* 27# CAN1_TX */
-+ MX6UL_PAD_UART3_RTS_B__GPIO1_IO27 0x17059 /* 29# CAN1_RX */
-+ >;
-+ };
-+
-+ pinctrl_flexcan2: flexcan2grp{
-+ fsl,pins = <
-+ MX6UL_PAD_UART2_CTS_B__GPIO1_IO22 0x17059 /* 31# CAN2_TX */
-+ MX6UL_PAD_UART2_RTS_B__GPIO1_IO23 0x17059 /* 33# CAN2_RX */
-+ >;
-+ };
-+
-+ pinctrl_lcdif_dat: lcdifdatgrp {
-+ fsl,pins = <
-+ MX6UL_PAD_LCD_DATA18__GPIO3_IO23 0x17059 /* 22# GPIO */
-+ MX6UL_PAD_LCD_DATA19__GPIO3_IO24 0x17059 /* 26# GPIO */
-+ >;
-+ };
-+
-+ pinctrl_ecspi1_master: ecspi1grp1 {
-+ fsl,pins = <
-+ 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_LCD_DATA21__GPIO3_IO26 0x17059 /* 24# SPI1_SS0 */
-+ >;
-+ };
-+
-+ pinctrl_uart2: uart2grp {
-+ fsl,pins = <
-+ MX6UL_PAD_UART2_TX_DATA__GPIO1_IO20 0x17059 /* 8# UART2_TX */
-+ MX6UL_PAD_UART2_RX_DATA__GPIO1_IO21 0x17059 /* 10# UART2_RX */
-+ >;
-+ };
-+
-+ pinctrl_uart3: uart3grp {
-+ fsl,pins = <
-+ MX6UL_PAD_UART3_TX_DATA__GPIO1_IO24 0x17059 /* 11# UART3_TX */
-+ MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25 0x17059 /* 12# UART3_RX */
-+ >;
-+ };
-+
-+ pinctrl_uart4: uart4grp {
-+ fsl,pins = <
-+ MX6UL_PAD_UART4_TX_DATA__GPIO1_IO28 0x17059 /* 13# UART4_TX */
-+ MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29 0x17059 /* 15# UART4_RX */
-+ >;
-+ };
-+
-+ pinctrl_uart7: uart7grp {
-+ fsl,pins = <
-+ MX6UL_PAD_LCD_DATA16__GPIO3_IO21 0x17059 /* 16# UART7_TX */
-+ MX6UL_PAD_LCD_DATA17__GPIO3_IO22 0x17059 /* 18# UART7_RX */
-+ >;
-+ };
-+
-+ pinctrl_pwm: pwmgrp {
-+ fsl,pins = <
-+ MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15 0x17059 /* 28# PWM8 */
-+ MX6UL_PAD_JTAG_TCK__GPIO1_IO14 0x17059 /* 32# PWM7 */
-+ >;
-+ };
-+};
-+
-+
-+/*+--------------------------+
-+ | Pinctrl iomuxc |
-+ +--------------------------+*/
-+
++/*+----------------------+
++ | Basic pinctrl iomuxc |
++ +----------------------+*/
+&iomuxc {
+ pinctrl-names = "default";
+
@@ -531,6 +423,8 @@
+
+ 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
@@ -585,7 +479,7 @@
+
+ pinctrl_pwm1: pwm1grp {
+ fsl,pins = <
-+ MX6UL_PAD_GPIO1_IO08__PWM1_OUT 0x110b0
++ MX6UL_PAD_GPIO1_IO08__PWM1_OUT 0x110b0 /* LCD_BRIGHT in schematics */
+ >;
+ };
+
@@ -698,17 +592,11 @@
+ MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9
+ >;
+ };
-+
-+ pinctrl_wdog: wdoggrp {
-+ fsl,pins = <
-+ MX6UL_PAD_LCD_RESET__WDOG1_WDOG_ANY 0x30b0
-+ >;
-+ };
+};
+
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 2021-09-08 18:41:11.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile 2022-06-05 19:33:31.155895196 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile 2022-06-30 20:50:51.165773492 +0800
@@ -1490,3 +1490,6 @@
aspeed-bmc-opp-zaius.dtb \
aspeed-bmc-portwell-neptune.dtb \
@@ -716,10 +604,38 @@
+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/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 1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts 2022-06-30 20:52:45.457812387 +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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,29 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts 2022-06-30 20:52:45.461812388 +0800
+@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -740,7 +656,6 @@
+};
+
+&iomuxc {
-+ pinctrl-1 = <&pinctrl_flexcan1>;
+ pinctrl_flexcan1: flexcan1grp{
+ fsl,pins = <
+ MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX 0x1b020
@@ -751,8 +666,8 @@
+
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,29 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts 2022-06-30 20:52:45.473812390 +0800
+@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -773,7 +688,6 @@
+};
+
+&iomuxc {
-+ pinctrl-2 = <&pinctrl_flexcan2>;
+ pinctrl_flexcan2: flexcan2grp{
+ fsl,pins = <
+ MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX 0x1b020
@@ -784,8 +698,8 @@
+
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,29 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts 2022-06-30 20:52:45.477812390 +0800
+@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -806,7 +720,6 @@
+};
+
+&iomuxc {
-+ pinctrl-3 = <&pinctrl_i2c1>;
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO02__I2C1_SCL 0x4001b8b0
@@ -817,8 +730,8 @@
+
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,99 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts 2022-06-30 20:52:45.493812393 +0800
+@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -832,20 +745,21 @@
+
+/* LCD display overlay */
+
-+&backlight_display {
++&backlight_lcd {
+ status = "okay";
+};
+
-+&pxp { /* Pixel Pipeline (PXP) is a memory-to-memory graphics processing */
-+ 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>;
++ pinctrl-0 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>;
+ display = <&display0>;
+ status = "okay";
+
@@ -876,7 +790,6 @@
+};
+
+&iomuxc {
-+ pinctrl-4 = <&pinctrl_lcdif_dat>;
+ pinctrl_lcdif_dat: lcdifdatgrp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA00__LCDIF_DATA00 0x79
@@ -895,14 +808,6 @@
+ MX6UL_PAD_LCD_DATA13__LCDIF_DATA13 0x79
+ MX6UL_PAD_LCD_DATA14__LCDIF_DATA14 0x79
+ MX6UL_PAD_LCD_DATA15__LCDIF_DATA15 0x79
-+ MX6UL_PAD_LCD_DATA16__LCDIF_DATA16 0x79
-+ MX6UL_PAD_LCD_DATA17__LCDIF_DATA17 0x79
-+ MX6UL_PAD_LCD_DATA18__LCDIF_DATA18 0x79
-+ MX6UL_PAD_LCD_DATA19__LCDIF_DATA19 0x79
-+ MX6UL_PAD_LCD_DATA20__LCDIF_DATA20 0x79
-+ MX6UL_PAD_LCD_DATA21__LCDIF_DATA21 0x79
-+ MX6UL_PAD_LCD_DATA22__LCDIF_DATA22 0x79
-+ MX6UL_PAD_LCD_DATA23__LCDIF_DATA23 0x79
+ >;
+ };
+
@@ -912,16 +817,14 @@
+ 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
++ 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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,15 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile 2022-06-30 21:58:16.635775990 +0800
+@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# required for overlay support
@@ -930,17 +833,123 @@
+dtb-y += can1.dtbo
+dtb-y += can2.dtbo
+dtb-y += i2c1.dtbo
-+dtb-y += lcd.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 += lcd.dtbo
++dtb-y += cam.dtbo
++dtb-y += nbiot-4g.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 1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts 2022-06-30 21:58:12.435821592 +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 1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts 2022-06-30 20:52:45.505812395 +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 1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts 2022-06-30 20:52:45.505812395 +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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,40 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts 2022-06-30 21:14:43.885696210 +0800
+@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -952,11 +961,11 @@
+#include <dt-bindings/gpio/gpio.h>
+#include "../imx6ul-pinfunc.h"
+
-+/* 40-pin extended GPIO, SPI1 interfaces, conflict with LCD display */
++/* 40-pin extended GPIO, SPI1 interfaces, conflict with UART8 */
+
+&ecspi1 {
+ pinctrl-names = "default";
-+ pinctrl-0 = <&pinctrl_ecspi1_master>;
++ pinctrl-0 = <&pinctrl_spi_uart8>;
+ cs-gpios = <&gpio3 26 GPIO_ACTIVE_LOW>;
+ status = "okay";
+
@@ -971,8 +980,7 @@
+};
+
+&iomuxc {
-+ pinctrl-6 = <&pinctrl_ecspi1_master>;
-+ pinctrl_ecspi1_master: ecspi1grp1 {
++ pinctrl_spi_uart8: spi_uart8_grp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA20__ECSPI1_SCLK 0x10b0
+ MX6UL_PAD_LCD_DATA22__ECSPI1_MOSI 0x10b0
@@ -983,8 +991,8 @@
+};
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,27 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts 2022-06-30 20:52:45.513812395 +0800
+@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -1004,7 +1012,6 @@
+};
+
+&iomuxc {
-+ pinctrl-7 = <&pinctrl_uart2>;
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
@@ -1014,8 +1021,8 @@
+};
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,28 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts 2022-06-30 20:52:45.525812397 +0800
+@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -1035,7 +1042,6 @@
+};
+
+&iomuxc {
-+ pinctrl-8 = <&pinctrl_uart3>;
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
@@ -1046,8 +1052,8 @@
+
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,28 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts 2022-06-30 20:52:45.525812397 +0800
+@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -1067,7 +1073,6 @@
+};
+
+&iomuxc {
-+ pinctrl-9 = <&pinctrl_uart4>;
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX 0x1b0b1
@@ -1078,8 +1083,8 @@
+
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts 2022-06-05 19:33:31.155895196 +0800
-@@ -0,0 +1,28 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts 2022-06-30 20:52:45.537812399 +0800
+@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author: Guo Wenxue<guowenxue@gmail.com>
@@ -1099,7 +1104,6 @@
+};
+
+&iomuxc {
-+ pinctrl-10 = <&pinctrl_uart7>;
+ pinctrl_uart7: uart7grp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA16__UART7_DCE_TX 0x1b0b1
@@ -1110,7 +1114,7 @@
+
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 1970-01-01 08:00:00.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig 2022-06-05 19:34:16.991228563 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig 2022-06-30 22:25:58.551377437 +0800
@@ -0,0 +1,722 @@
+CONFIG_KERNEL_LZO=y
+CONFIG_SYSVIPC=y
@@ -1834,9 +1838,20 @@
+# 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/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 2021-09-08 18:41:11.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c 2022-06-30 20:50:51.165773492 +0800
+@@ -558,6 +558,7 @@
+ 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 -x logo_linux_clut224.ppm linux-imx/Makefile linux-imx-lf-5.10.52-2.1.0/Makefile
--- linux-imx/Makefile 2021-09-08 18:41:11.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/Makefile 2022-06-05 19:33:31.159895137 +0800
++++ linux-imx-lf-5.10.52-2.1.0/Makefile 2022-06-30 20:53:02.309812083 +0800
@@ -367,7 +367,8 @@
# Alternatively CROSS_COMPILE can be set in the environment.
# Default value for CROSS_COMPILE is not to prefix executables
@@ -1857,7 +1872,7 @@
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/scripts/Makefile.lib linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib
--- linux-imx/scripts/Makefile.lib 2021-09-08 18:41:11.000000000 +0800
-+++ linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib 2022-06-05 19:33:31.155895196 +0800
++++ linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib 2022-06-30 20:50:51.181773299 +0800
@@ -325,6 +325,16 @@
$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
$(call if_changed_dep,dtc)
--
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