From 05a23f1c568b6ab83402aca9e655cddebc862da1 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Sun, 12 Jun 2022 16:53:43 +0800
Subject: [PATCH] update linux patch, fix pwm7 & pwm8 overlay result ethernet not work bug
---
bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch | 269 +++++++++++++++++++++++++++++++++++------------------
1 files changed, 179 insertions(+), 90 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..42f166e 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
@@ -1,7 +1,7 @@
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 2022-06-12 16:47:51.001663267 +0800
+@@ -0,0 +1,689 @@
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
+ * Based on imx6ul-14x14-evk.dts/imx6ul-14x14-evk.dtsi
@@ -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";
@@ -158,11 +159,6 @@
+/*+-------------------+
+ | Misc Modules |
+ +-------------------+*/
-+
-+&clks {
-+ assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
-+ assigned-clock-rates = <786432000>;
-+};
+
+&snvs_poweroff {
+ status = "okay";
@@ -192,12 +188,6 @@
+ status = "okay";
+};
+
-+&wdog1 {
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&pinctrl_wdog>;
-+ fsl,ext-reset-output;
-+};
-+
+/*+-------------------+
+ | Camera Module |
+ +-------------------+*/
@@ -219,7 +209,7 @@
+ interrupt-parent = <&gpio5>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+
-+ status = "okay";
++ status = "disabled"; /* Enable in LCD overlay */
+ };
+
+ rtc@6f {
@@ -235,19 +225,13 @@
+ pinctrl-0 = <&pinctrl_csi1>;
+ clocks = <&clks IMX6UL_CLK_CSI>;
+ clock-names = "csi_mclk";
-+
-+ DOVDD-supply = <®_3p3v>;
-+ VDD-supply = <®_1p8v>;
-+ AVDD-supply = <®_3p3v>;
-+ DVDD-supply = <®_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 = "okay";
++ // rotation = <180>;
++ status = "disabled"; /* Enable in camera overlay */
+ port {
+ ov5640_ep: endpoint {
+ remote-endpoint = <&csi1_ep>;
@@ -269,6 +253,12 @@
+/*+-------------------+
+ | Audio Module |
+ +-------------------+*/
++
++&clks {
++ assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
++ assigned-clock-rates = <786432000>;
++};
++
+/*
+&mqs {
+ pinctrl-names = "default";
@@ -400,16 +390,11 @@
+&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-1 = <&pinctrl_i2c1 &pinctrl_ecspi1_master>;
++ pinctrl-2 = <&pinctrl_flexcan1 &pinctrl_flexcan2>;
++ pinctrl-3 = <&pinctrl_pwm7 &pinctrl_pwm8>;
++ pinctrl-4 = <&pinctrl_uart2 &pinctrl_uart3 &pinctrl_uart4 &pinctrl_uart7>;
++ pinctrl-5 = <&pinctrl_lcdif_dat>;
+
+ pinctrl_extgpio: extgpiogrp {
+ fsl,pins = <
@@ -429,6 +414,15 @@
+ >;
+ };
+
++ 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_flexcan1: flexcan1grp{
+ fsl,pins = <
+ MX6UL_PAD_UART3_CTS_B__GPIO1_IO26 0x17059 /* 27# CAN1_TX */
@@ -443,19 +437,15 @@
+ >;
+ };
+
-+ pinctrl_lcdif_dat: lcdifdatgrp {
++ pinctrl_pwm7: pwm7grp {
+ fsl,pins = <
-+ MX6UL_PAD_LCD_DATA18__GPIO3_IO23 0x17059 /* 22# GPIO */
-+ MX6UL_PAD_LCD_DATA19__GPIO3_IO24 0x17059 /* 26# GPIO */
++ MX6UL_PAD_JTAG_TCK__GPIO1_IO14 0x17059 /* 32# PWM7 */
+ >;
+ };
+
-+ pinctrl_ecspi1_master: ecspi1grp1 {
++ pinctrl_pwm8: pwm8grp {
+ 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 */
++ MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15 0x17059 /* 28# PWM8 */
+ >;
+ };
+
@@ -487,19 +477,18 @@
+ >;
+ };
+
-+ pinctrl_pwm: pwmgrp {
++ pinctrl_lcdif_dat: lcdifdatgrp {
+ fsl,pins = <
-+ MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15 0x17059 /* 28# PWM8 */
-+ MX6UL_PAD_JTAG_TCK__GPIO1_IO14 0x17059 /* 32# PWM7 */
++ MX6UL_PAD_LCD_DATA18__GPIO3_IO23 0x17059 /* 22# GPIO */
++ MX6UL_PAD_LCD_DATA19__GPIO3_IO24 0x17059 /* 26# GPIO */
+ >;
+ };
+};
+
+
+/*+--------------------------+
-+ | Pinctrl iomuxc |
++ | Basic pinctrl iomuxc |
+ +--------------------------+*/
-+
+&iomuxc {
+ pinctrl-names = "default";
+
@@ -531,6 +520,8 @@
+
+ pinctrl_csi1: csi1grp {
+ fsl,pins = <
++ MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05 0x10B0 /* CSI_RST */
++ MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x10B0 /* 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 +576,7 @@
+
+ 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 +689,11 @@
+ 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 2022-06-12 13:00:23.176939473 +0800
@@ -1490,3 +1490,6 @@
aspeed-bmc-opp-zaius.dtb \
aspeed-bmc-portwell-neptune.dtb \
@@ -716,9 +701,33 @@
+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 2022-06-12 16:36:33.331873137 +0800
+@@ -0,0 +1,20 @@
++/*
++ * Copyright (C) 2022 LingYun IoT System Studio
++ * Author: Guo Wenxue<guowenxue@gmail.com>
++ */
++
++/dts-v1/;
++/plugin/;
++
++/* MIPI-DSI2 camera overlay */
++
++&pxp {
++ 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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -740,7 +749,7 @@
+};
+
+&iomuxc {
-+ pinctrl-1 = <&pinctrl_flexcan1>;
++ pinctrl-2 = <&pinctrl_flexcan1>;
+ pinctrl_flexcan1: flexcan1grp{
+ fsl,pins = <
+ MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX 0x1b020
@@ -751,7 +760,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -784,7 +793,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -806,7 +815,7 @@
+};
+
+&iomuxc {
-+ pinctrl-3 = <&pinctrl_i2c1>;
++ pinctrl-1 = <&pinctrl_i2c1>;
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO02__I2C1_SCL 0x4001b8b0
@@ -817,7 +826,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -832,12 +841,14 @@
+
+/* 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 {
@@ -876,7 +887,7 @@
+};
+
+&iomuxc {
-+ pinctrl-4 = <&pinctrl_lcdif_dat>;
++ pinctrl-5 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>;
+ pinctrl_lcdif_dat: lcdifdatgrp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA00__LCDIF_DATA00 0x79
@@ -912,16 +923,14 @@
+ 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 2022-06-12 13:21:24.413715140 +0800
+@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# required for overlay support
@@ -930,16 +939,85 @@
+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
++
+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 2022-06-12 16:34:51.953196201 +0800
+@@ -0,0 +1,29 @@
++/*
++ * 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-3 = <&pinctrl_pwm7>;
++ 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 2022-06-12 16:35:10.968948011 +0800
+@@ -0,0 +1,29 @@
++/*
++ * 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 */
++
++&pwm8 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_pwm8>;
++ clocks = <&clks IMX6UL_CLK_PWM8>, <&clks IMX6UL_CLK_PWM8>;
++ status = "okay";
++};
++
++&iomuxc {
++ pinctrl-3 = <&pinctrl_pwm8>;
++ pinctrl_pwm8: pwm8grp {
++ 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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -971,7 +1049,7 @@
+};
+
+&iomuxc {
-+ pinctrl-6 = <&pinctrl_ecspi1_master>;
++ pinctrl-1 = <&pinctrl_ecspi1_master>;
+ pinctrl_ecspi1_master: ecspi1grp1 {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA20__ECSPI1_SCLK 0x10b0
@@ -983,7 +1061,7 @@
+};
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1004,7 +1082,7 @@
+};
+
+&iomuxc {
-+ pinctrl-7 = <&pinctrl_uart2>;
++ pinctrl-4 = <&pinctrl_uart2>;
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
@@ -1014,7 +1092,7 @@
+};
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1035,7 +1113,7 @@
+};
+
+&iomuxc {
-+ pinctrl-8 = <&pinctrl_uart3>;
++ pinctrl-4 = <&pinctrl_uart3>;
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
@@ -1046,7 +1124,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1067,7 +1145,7 @@
+};
+
+&iomuxc {
-+ pinctrl-9 = <&pinctrl_uart4>;
++ pinctrl-4 = <&pinctrl_uart4>;
+ pinctrl_uart4: uart4grp {
+ fsl,pins = <
+ MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX 0x1b0b1
@@ -1078,7 +1156,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts 2022-06-12 13:00:23.176939473 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1099,7 +1177,7 @@
+};
+
+&iomuxc {
-+ pinctrl-10 = <&pinctrl_uart7>;
++ pinctrl-4 = <&pinctrl_uart7>;
+ pinctrl_uart7: uart7grp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA16__UART7_DCE_TX 0x1b0b1
@@ -1110,7 +1188,7 @@
+
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 2022-06-12 16:50:44.937678932 +0800
@@ -0,0 +1,722 @@
+CONFIG_KERNEL_LZO=y
+CONFIG_SYSVIPC=y
@@ -1834,9 +1912,20 @@
+# 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 2022-06-12 13:00:23.176939473 +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 2022-06-12 13:00:23.180939431 +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 +1946,7 @@
-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 2022-06-12 13:00:23.176939473 +0800
@@ -325,6 +325,16 @@
$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
$(call if_changed_dep,dtc)
--
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