update linux kernel patch, add MQS audio support

guowenxue

2022-07-19 b7784a77e897296127e47c84d9e18c9dac959901

 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   2022-06-13 22:06:43.280918362 +0800
@@ -0,0 +1,694 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/igkboard.dts   2022-07-19 21:18:02.057239328 +0800
@@ -0,0 +1,597 @@
+/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kit Board)
+ * Based on imx6ul-14x14-evk.dts/imx6ul-14x14-evk.dtsi
@@ -12,7 +12,7 @@
+
+/dts-v1/;
+
+#include "imx6ul.dtsi"
+#include "imx6ull.dtsi"
+
+/ {
+   model = "LingYun IoT System Studio IoT Gateway Board";
@@ -144,17 +144,33 @@
+      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";
+   };
+*/
+};
+
+
+/*+--------------+
+  | Misc Modules |
@@ -187,6 +203,7 @@
+   pinctrl-0 = <&pinctrl_pwm2>;
+   status = "okay";
+};
+
+
+/*+---------------+
+  | Camera Module |
@@ -255,6 +272,7 @@
+   };
+};
+
+
+/*+--------------+
+  | Audio Module |
+  +--------------+*/
@@ -264,16 +282,6 @@
+   assigned-clock-rates = <786432000>;
+};
+
+/*
+&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>;
@@ -282,7 +290,6 @@
+   fsl,sai-mclk-direction-output;
+   status = "okay";
+};
+
+
+
+/*+------------------+
@@ -331,7 +338,6 @@
+      };
+   };
+};
+
+
+
+/*+---------------+
@@ -385,109 +391,6 @@
+   bus-width = <8>;
+   non-removable;
+   status = "okay";
+};
+
+
+/*+---------------------------+
+  | 40 Pin Header GPIO iomuxc |
+  +---------------------------+*/
+
+&iomuxc {
+   pinctrl-names = "default";
+   pinctrl-0 = <&pinctrl_extgpio>;
+   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 = <
+         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_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   */
+         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_pwm7: pwm7grp {
+      fsl,pins = <
+         MX6UL_PAD_JTAG_TCK__GPIO1_IO14      0x17059 /* 32# PWM7      */
+      >;
+   };
+
+   pinctrl_pwm8: pwm8grp {
+      fsl,pins = <
+         MX6UL_PAD_JTAG_TRST_B__GPIO1_IO15   0x17059 /* 28# PWM8      */
+      >;
+   };
+
+   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_lcdif_dat: lcdifdatgrp {
+      fsl,pins = <
+         MX6UL_PAD_LCD_DATA18__GPIO3_IO23   0x17059 /* 22# GPIO      */
+         MX6UL_PAD_LCD_DATA19__GPIO3_IO24   0x17059 /* 26# GPIO      */
+      >;
+   };
+};
+
+
@@ -698,7 +601,7 @@
+
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   2022-06-12 17:10:26.378726607 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/Makefile   2022-07-18 13:30:17.221780043 +0800
@@ -1490,3 +1490,6 @@
    aspeed-bmc-opp-zaius.dtb \
    aspeed-bmc-portwell-neptune.dtb \
@@ -708,7 +611,7 @@
+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   2022-06-13 21:41:49.095745360 +0800
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/cam.dts   2022-07-18 13:30:17.221780043 +0800
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
@@ -736,8 +639,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,29 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can1.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -758,7 +661,6 @@
+};
+
+&iomuxc {
+   pinctrl-2 = <&pinctrl_flexcan1>;
+   pinctrl_flexcan1: flexcan1grp{
+      fsl,pins = <
+         MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX   0x1b020
@@ -769,8 +671,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,29 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/can2.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -791,7 +693,6 @@
+};
+
+&iomuxc {
+   pinctrl-2 = <&pinctrl_flexcan2>;
+   pinctrl_flexcan2: flexcan2grp{
+      fsl,pins = <
+         MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX   0x1b020
@@ -802,8 +703,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,29 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/i2c1.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -824,7 +725,6 @@
+};
+
+&iomuxc {
+   pinctrl-1 = <&pinctrl_i2c1>;
+   pinctrl_i2c1: i2c1grp {
+      fsl,pins = <
+         MX6UL_PAD_GPIO1_IO02__I2C1_SCL   0x4001b8b0
@@ -835,8 +735,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,99 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/lcd.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -864,8 +764,7 @@
+   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";
+
@@ -896,7 +795,6 @@
+};
+
+&iomuxc {
+   pinctrl-5 = <&pinctrl_lcdif_dat &pinctrl_lcdif_ctrl>;
+   pinctrl_lcdif_dat: lcdifdatgrp {
+      fsl,pins = <
+         MX6UL_PAD_LCD_DATA00__LCDIF_DATA00   0x79
@@ -915,14 +813,6 @@
+         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
+      >;
+   };
+
@@ -938,8 +828,8 @@
+};
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,18 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/Makefile   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# required for overlay support
@@ -955,13 +845,53 @@
+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   2022-07-18 13:30:17.313779067 +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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,29 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm7.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -983,7 +913,6 @@
+};
+
+&iomuxc {
+   pinctrl-3 = <&pinctrl_pwm7>;
+   pinctrl_pwm7: pwm7grp {
+      fsl,pins = <
+         MX6UL_PAD_JTAG_TCK__PWM7_OUT   0x110b0
@@ -993,8 +922,8 @@
+
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 17:10:26.378726607 +0800
@@ -0,0 +1,29 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/pwm8.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -1006,18 +935,17 @@
+#include <dt-bindings/clock/imx6ul-clock.h>
+#include "../imx6ul-pinfunc.h"
+
+/* 40-pin extended GPIO, PWM8 interfaces */
+/* 40-pin extended GPIO, PWM8 interfaces, conflict with NB-IoT */
+
+&pwm8 {
+   pinctrl-names = "default";
+   pinctrl-0 = <&pinctrl_pwm8>;
+   pinctrl-0 = <&pinctrl_pwm8_nbiot>;
+   clocks = <&clks IMX6UL_CLK_PWM8>, <&clks IMX6UL_CLK_PWM8>;
+   status = "okay";
+};
+
+&iomuxc {
+   pinctrl-3 = <&pinctrl_pwm8>;
+   pinctrl_pwm8: pwm8grp {
+   pinctrl_pwm8_nbiot: pwm8nbiotgrp {
+      fsl,pins = <
+         MX6UL_PAD_JTAG_TRST_B__PWM8_OUT   0x110b0
+      >;
@@ -1026,8 +954,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,40 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/spi1.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -1039,11 +967,11 @@
+#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";
+
@@ -1058,8 +986,7 @@
+};
+
+&iomuxc {
+   pinctrl-1 = <&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
@@ -1070,8 +997,8 @@
+};
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,27 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart2.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -1091,7 +1018,6 @@
+};
+
+&iomuxc {
+   pinctrl-4 = <&pinctrl_uart2>;
+   pinctrl_uart2: uart2grp {
+      fsl,pins = <
+         MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX   0x1b0b1
@@ -1101,8 +1027,8 @@
+};
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,28 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart3.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -1122,7 +1048,6 @@
+};
+
+&iomuxc {
+   pinctrl-4 = <&pinctrl_uart3>;
+   pinctrl_uart3: uart3grp {
+      fsl,pins = <
+         MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX   0x1b0b1
@@ -1133,8 +1058,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,28 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart4.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -1154,7 +1079,6 @@
+};
+
+&iomuxc {
+   pinctrl-4 = <&pinctrl_uart4>;
+   pinctrl_uart4: uart4grp {
+      fsl,pins = <
+         MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX   0x1b0b1
@@ -1165,8 +1089,8 @@
+
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   2022-06-12 17:10:26.378726607 +0800
@@ -0,0 +1,28 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/boot/dts/overlays/uart7.dts   2022-07-18 13:30:17.313779067 +0800
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2022 LingYun IoT System Studio
+ * Author:  Guo Wenxue<guowenxue@gmail.com>
@@ -1186,7 +1110,6 @@
+};
+
+&iomuxc {
+   pinctrl-4 = <&pinctrl_uart7>;
+   pinctrl_uart7: uart7grp {
+      fsl,pins = <
+         MX6UL_PAD_LCD_DATA16__UART7_DCE_TX      0x1b0b1
@@ -1195,10 +1118,45 @@
+   };
+};
+
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   2022-07-18 13:30:17.313779067 +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   2022-06-13 21:56:27.500562135 +0800
@@ -0,0 +1,722 @@
+++ linux-imx-lf-5.10.52-2.1.0/arch/arm/configs/igkboard_defconfig   2022-07-19 21:39:01.066601836 +0800
@@ -0,0 +1,726 @@
+CONFIG_KERNEL_LZO=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
@@ -1447,6 +1405,9 @@
+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
@@ -1703,10 +1664,11 @@
+# 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
@@ -1923,7 +1885,7 @@
+# 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 17:10:26.378726607 +0800
+++ linux-imx-lf-5.10.52-2.1.0/drivers/video/backlight/pwm_bl.c   2022-07-18 13:30:17.313779067 +0800
@@ -558,6 +558,7 @@
    if (!state.period && (data->pwm_period_ns > 0))
       state.period = data->pwm_period_ns;
@@ -1934,7 +1896,7 @@
       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   2022-06-12 18:02:43.392114072 +0800
+++ linux-imx-lf-5.10.52-2.1.0/Makefile   2022-07-19 21:25:38.873737280 +0800
@@ -367,7 +367,8 @@
 # Alternatively CROSS_COMPILE can be set in the environment.
 # Default value for CROSS_COMPILE is not to prefix executables
@@ -1955,7 +1917,7 @@
       -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   2022-06-12 17:10:26.378726607 +0800
+++ linux-imx-lf-5.10.52-2.1.0/scripts/Makefile.lib   2022-07-18 13:30:17.321778983 +0800
@@ -325,6 +325,16 @@
 $(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
    $(call if_changed_dep,dtc)
@@ -1973,3 +1935,15 @@
 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   2022-07-19 21:25:28.201826234 +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])) {