From b2b582833aaa8cc9d9d6e152d014f7129e0c5c43 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Sun, 09 Oct 2022 13:53:00 +0800
Subject: [PATCH] update linux-imx-lf-5.10.52-2.1.0.patch to support yocto
---
bsp/kernel/patch/linux-imx-lf-5.10.52-2.1.0.patch | 204 +++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 157 insertions(+), 47 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 374b602..8037445 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 2022-06-30 20:52:22.149803784 +0800
-@@ -0,0 +1,592 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts 2022-10-09 13:19:22.622732242 +0800
+@@ -0,0 +1,608 @@
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
+ * Based on imx6ul-14x14-evk.dts/imx6ul-14x14-evk.dtsi
@@ -144,16 +144,31 @@
+ status = "disabled"; /* Enable in LCD overlay */
+ };
+
-+/*
++ /* 1-Wire sentinel for overlay */
++ w1: w1 {
++ compatible = "w1-gpio";
++ status = "disabled";
++ };
++
++ mqs: mqs {
++ #sound-dai-cells = <0>;
++ compatible = "fsl,imx6sx-mqs";
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_mqs>;
++ clocks = <&clks IMX6UL_CLK_SAI1>;
++ clock-names = "mclk";
++ gpr = <&gpr>;
++ status = "okay";
++ };
++
+ sound-mqs {
+ compatible = "fsl,imx-audio-mqs";
+ model = "mqs-audio";
-+ cpu-dai = <&sai1>;
-+ asrc-controller = <&asrc>;
++ audio-cpu = <&sai1>;
++ audio-asrc = <&asrc>;
+ audio-codec = <&mqs>;
+ status = "okay";
+ };
-+*/
+};
+
+
@@ -262,26 +277,27 @@
+ | Audio Module |
+ +--------------+*/
+
++/* Refrence: https://www.toradex.com/zh-cn/blog/colibri-imx6ull-kuo-zhan-yin-pin-jie-ma-qi-max98357a
++ * +--------------------+--------------------+-----------------------+---------------------+
++ * | Audio Sample Rates | Bit Clock | PLL4_AUDIO_DIV(512) | CLK_SAI1(/16) |
++ * +--------------------+--------------------+-----------------------+---------------------+
++ * | 16bit,2Ch,48KHz | 16x2x48000=1536000 | 1536000x512=786432000 | 1536000x16=24576000 |
++ * +--------------------+--------------------+-----------------------+---------------------+
++ * | 16bit,2Ch,44.1KHz | 16x2x44100=1411200 | 1411200x512=722534400 | 1411200x16=22579200 |
++ * +--------------------+--------------------+-----------------------+---------------------+
++ */
++
+&clks {
+ assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
-+ assigned-clock-rates = <786432000>;
++ //assigned-clock-rates = <786432000>; // 16bit,2Ch,48KHz
++ assigned-clock-rates = <722534400>; // 16bit,2Ch,44.1KHz
+};
-+
-+/*
-+&mqs {
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&pinctrl_mqs>;
-+ clocks = <&clks IMX6UL_CLK_SAI1>;
-+ clock-names = "mclk";
-+ status = "okay";
-+};
-+*/
+
+&sai1 {
-+ assigned-clocks = <&clks IMX6UL_CLK_SAI1_SEL>,
-+ <&clks IMX6UL_CLK_SAI1>;
++ assigned-clocks = <&clks IMX6UL_CLK_SAI1_SEL>, <&clks IMX6UL_CLK_SAI1>;
+ assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
-+ assigned-clock-rates = <0>, <24576000>;
++ //assigned-clock-rates = <0>, <24576000>; // 16bit,2Ch,48KHz
++ assigned-clock-rates = <0>, <22579200>; // 16bit,2Ch,44.1KHz
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
@@ -596,7 +612,7 @@
+
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 2022-06-30 20:50:51.165773492 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile 2022-10-09 13:19:22.622732242 +0800
@@ -1490,3 +1490,6 @@
aspeed-bmc-opp-zaius.dtb \
aspeed-bmc-portwell-neptune.dtb \
@@ -606,7 +622,7 @@
+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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -634,7 +650,7 @@
+
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 2022-06-30 20:52:45.461812388 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -666,7 +682,7 @@
+
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 2022-06-30 20:52:45.473812390 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -698,7 +714,7 @@
+
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 2022-06-30 20:52:45.477812390 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -730,7 +746,7 @@
+
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 2022-06-30 20:52:45.493812393 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -823,8 +839,8 @@
+};
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 2022-06-30 21:58:16.635775990 +0800
-@@ -0,0 +1,19 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile 2022-10-09 13:19:22.626732206 +0800
+@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# required for overlay support
@@ -840,13 +856,14 @@
+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
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/nbiot-4g.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -884,7 +901,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -916,7 +933,7 @@
+
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
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -948,7 +965,7 @@
+
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 2022-06-30 21:14:43.885696210 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -991,7 +1008,7 @@
+};
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 2022-06-30 20:52:45.513812395 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1021,7 +1038,7 @@
+};
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 2022-06-30 20:52:45.525812397 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1052,7 +1069,7 @@
+
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 2022-06-30 20:52:45.525812397 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1083,7 +1100,7 @@
+
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 2022-06-30 20:52:45.537812399 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts 2022-10-09 13:19:22.626732206 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -1112,10 +1129,45 @@
+ };
+};
+
+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 1970-01-01 08:00:00.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/w1.dts 2022-10-09 13:19:22.626732206 +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 1970-01-01 08:00:00.000000000 +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 @@
++++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig 2022-10-09 13:20:51.349955648 +0800
+@@ -0,0 +1,726 @@
+CONFIG_KERNEL_LZO=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
@@ -1364,6 +1416,9 @@
+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
@@ -1620,10 +1675,11 @@
+# CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
+CONFIG_SND_SOC_FSL_ASRC=y
-+CONFIG_SND_SOC_FSL_SAI=y
+CONFIG_SND_SOC_FSL_MQS=y
+CONFIG_SND_SOC_FSL_RPMSG=y
+CONFIG_SND_IMX_SOC=y
++CONFIG_SND_SOC_FSL_ASOC_CARD=y
++CONFIG_SND_SOC_AC97_CODEC=y
+CONFIG_SND_SIMPLE_CARD=y
+CONFIG_HID_MULTITOUCH=y
+CONFIG_USB=y
@@ -1838,31 +1894,73 @@
+# 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/bluetooth/btrtl.c linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btrtl.c
+--- linux-imx/drivers/bluetooth/btrtl.c 2021-09-08 18:41:11.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btrtl.c 2022-10-09 13:19:22.626732206 +0800
+@@ -136,12 +136,12 @@
+ .fw_name = "rtl_bt/rtl8761a_fw.bin",
+ .cfg_name = "rtl_bt/rtl8761a_config" },
+
+- /* 8761B */
++ /* 8761BU */
+ { IC_INFO(RTL_ROM_LMP_8761A, 0xb),
+ .config_needed = false,
+ .has_rom_version = true,
+- .fw_name = "rtl_bt/rtl8761b_fw.bin",
+- .cfg_name = "rtl_bt/rtl8761b_config" },
++ .fw_name = "rtl_bt/rtl8761bu_fw.bin",
++ .cfg_name = "rtl_bt/rtl8761bu_config" },
+
+ /* 8822C with UART interface */
+ { .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV |
+diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/drivers/bluetooth/btusb.c linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btusb.c
+--- linux-imx/drivers/bluetooth/btusb.c 2021-09-08 18:41:11.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/drivers/bluetooth/btusb.c 2022-10-09 13:19:22.626732206 +0800
+@@ -419,6 +419,9 @@
+ { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
+
++ /* Additional Realtek 8761B Bluetooth devices */
++ { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK },
++
+ /* Additional Realtek 8821AE Bluetooth devices */
+ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
+ { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
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
++++ linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c 2022-10-09 13:19:22.626732206 +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 2022-06-30 20:53:02.309812083 +0800
++++ linux-imx-lf-5.10.52-2.1.0/Makefile 2022-10-09 13:20:41.118045212 +0800
@@ -367,7 +367,8 @@
# Alternatively CROSS_COMPILE can be set in the environment.
# 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/buildroot/cortexA7/bin/arm-linux-
-
++CROSS_COMPILE ?= arm-linux-gnueabihf-
+
# Architecture as present in compile.h
UTS_MACHINE := $(ARCH)
-@@ -1833,6 +1834,7 @@
+@@ -1353,6 +1354,9 @@
+ %.dtb: include/config/kernel.release scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
+
++%.dtbo: include/config/kernel.release scripts_dtc
++ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
++
+ PHONY += dtbs dtbs_install dtbs_check
+ dtbs: include/config/kernel.release scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree)
+@@ -1833,6 +1837,7 @@
\( -name '*.[aios]' -o -name '*.ko' -o -name '.*.cmd' \
-o -name '*.ko.*' \
-o -name '*.dtb' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
@@ -1872,11 +1970,11 @@
-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 2022-06-30 20:50:51.181773299 +0800
++++ linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib 2022-10-09 13:19:22.630732171 +0800
@@ -325,6 +325,16 @@
$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
$(call if_changed_dep,dtc)
-
+
+quiet_cmd_dtco = DTCO $@
+cmd_dtco = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+ $(DTC) -O dtb -o $@ -b 0 \
@@ -1890,3 +1988,15 @@
DT_CHECKER ?= dt-validate
DT_BINDING_DIR := Documentation/devicetree/bindings
# DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile
+diff -Nuar --no-dereference -x logo_linux_clut224.ppm linux-imx/sound/soc/fsl/fsl_sai.c linux-imx-lf-5.10.52-2.1.0/sound/soc/fsl/fsl_sai.c
+--- linux-imx/sound/soc/fsl/fsl_sai.c 2021-09-08 18:41:11.000000000 +0800
++++ linux-imx-lf-5.10.52-2.1.0/sound/soc/fsl/fsl_sai.c 2022-10-09 13:19:22.630732171 +0800
+@@ -1349,7 +1349,7 @@
+ sai->bus_clk = NULL;
+ }
+
+- for (i = 0; i < FSL_SAI_MCLK_MAX; i++) {
++ for (i = 1; i < FSL_SAI_MCLK_MAX; i++) {
+ sprintf(tmp, "mclk%d", i);
+ sai->mclk_clk[i] = devm_clk_get(&pdev->dev, tmp);
+ if (IS_ERR(sai->mclk_clk[i])) {
--
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