add linux-imx-lf-6.1.36-2.1.0.patch and remove unused old linux kernel patch

guowenxue

2023-11-06 f65620d524df2a16958a4be9adc4845ced887902

add linux-imx-lf-6.1.36-2.1.0.patch and remove unused old linux kernel patch

Signed-off-by: guowenxue <guowenxue@gmail.com>

 README.md

@@ -132,10 +132,10 @@

下面是IGKBoard当前支持BSP版本及它与Yocto/Android的对应版本关系:

| IMX BSP Version  | Yocto Version      | Android Version |
| ---------------- | ------------------ | --------------- |
| lf-6.1.22-2.0.0  | Langdale(4.1)  EOL |                 |
| lf-5.15.71-2.2.0 | Kirkstone(4.0) LTS | 13.0.0_1.2.0    |
| IMX BSP Version  | Yocto Version       | Android Version |
| ---------------- | ------------------- | --------------- |
| lf-6.1.36-2.1.0  | Mickledore(4.2) NEW | 13.0.0_2.2.0    |
| lf-5.15.71-2.2.0 | Kirkstone(4.0) LTS  | 13.0.0_1.2.0    |




 bootloader/patches/igkboard-6ull/uboot-imx-lf-6.1.22-2.0.0.patch

File was deleted

 kernel/patches/igkboard-6ull/linux-imx-lf-5.10.52-2.1.0.patch

File was deleted

 kernel/patches/igkboard-6ull/linux-imx-lf-6.1.36-2.1.0.patch

File was renamed from kernel/patches/igkboard-6ull/linux-imx-lf-5.15.32-2.0.0.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' \