From 6afea6435fa8c5e3a310c03f7862c3da9cfb4afa Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Thu, 18 Jul 2024 11:09:27 +0800
Subject: [PATCH] Patch:IGKBoard-IMX8MP: Add LVDS panel support
---
kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch | 98 +++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 86 insertions(+), 12 deletions(-)
diff --git a/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch b/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch
index 35f779b..273847e 100644
--- a/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch
+++ b/kernel/patches/igkboard-imx8mp/linux-imx-lf-6.1.36-2.1.0.patch
@@ -10,12 +10,12 @@
+dtb-$(CONFIG_ARCH_MXC) += igkboard-imx8mp.dtb
diff --git a/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts b/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts
new file mode 100644
-index 000000000..016d92023
+index 000000000..5e398c699
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/igkboard-imx8mp.dts
-@@ -0,0 +1,829 @@
+@@ -0,0 +1,903 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
-+/*
++/*
+ * Device Tree Source for LingYun IGKBoard(IoT Gateway Kits Board) - imx8mp
+ * Copyright 2023 LingYun IoT System Studio.
+ */
@@ -125,6 +125,37 @@
+ "LINPUT3", "Mic Jack",
+ "Mic Jack", "MICB";
+ };
++
++ lvds0_panel {
++ compatible = "boe,ev121wxm-n10-1850";
++ backlight = <&lvds_backlight>;
++
++ port {
++ panel_lvds_in: endpoint {
++ remote-endpoint = <&lvds_out>;
++ };
++ };
++ };
++
++ lvds_backlight: lvds_backlight {
++ compatible = "pwm-backlight";
++ pwms = <&pwm2 0 100000 0>;
++ status = "okay";
++ enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
++ brightness-levels = < 0 1 2 3 4 5 6 7 8 9
++ 10 11 12 13 14 15 16 17 18 19
++ 20 21 22 23 24 25 26 27 28 29
++ 30 31 32 33 34 35 36 37 38 39
++ 40 41 42 43 44 45 46 47 48 49
++ 50 51 52 53 54 55 56 57 58 59
++ 60 61 62 63 64 65 66 67 68 69
++ 70 71 72 73 74 75 76 77 78 79
++ 80 81 82 83 84 85 86 87 88 89
++ 90 91 92 93 94 95 96 97 98 99
++ 100>;
++ default-brightness-level = <80>;
++ };
++
+};
+
+/*+------------------------+
@@ -392,6 +423,43 @@
+};
+
+/*+------------------------+
++ | LVDS Display |
++ +------------------------+*/
++
++&pwm2 {
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_pwm2>;
++ status = "okay";
++};
++
++&lcdif2 {
++ status = "okay";
++};
++
++&ldb {
++ status = "okay";
++
++ lvds-channel@0 {
++ fsl,data-mapping = "spwg";
++ fsl,data-width = <24>;
++ status = "okay";
++
++ /delete-node/ port@1;
++ port@1 {
++ reg = <1>;
++
++ lvds_out: endpoint {
++ remote-endpoint = <&panel_lvds_in>;
++ };
++ };
++ };
++};
++
++&ldb_phy {
++ status = "okay";
++};
++
++/*+------------------------+
+ | CAN/RS485 interface |
+ +------------------------+*/
+
@@ -621,33 +689,39 @@
+ >;
+ };
+
-+ pinctrl_pwm1: pwm1grp {
++ pinctrl_pwm1: pwm1grp { /* Buzzer */
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO08__PWM1_OUT 0x116
+ >;
+ };
+
-+ pinctrl_pwm3: pwm3grp {
++ pinctrl_pwm2: pwm2grp { /* LVDS */
++ fsl,pins = <
++ MX8MP_IOMUXC_GPIO1_IO11__PWM2_OUT 0x116
++ >;
++ };
++
++ pinctrl_pwm3: pwm3grp { /* RPi#40Pin and MikroBUS */
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI5_RXC__PWM3_OUT 0x116
+ >;
+ };
+
-+ pinctrl_uart1: uart1grp {
++ pinctrl_uart1: uart1grp { /* RPi#40Pin and MikroBUS */
+ fsl,pins = <
+ MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140
+ MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x140
+ >;
+ };
+
-+ pinctrl_uart2: uart2grp {
++ pinctrl_uart2: uart2grp { /* Console */
+ fsl,pins = <
+ MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX 0x49
+ MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX 0x49
+ >;
+ };
+
-+ pinctrl_uart3: uart3grp {
++ pinctrl_uart3: uart3grp { /* RS485 */
+ fsl,pins = <
+ MX8MP_IOMUXC_ECSPI1_SCLK__UART3_DCE_RX 0x82
+ MX8MP_IOMUXC_ECSPI1_MOSI__UART3_DCE_TX 0x82
@@ -668,7 +742,7 @@
+ >;
+ };
+
-+ pinctrl_ecspi2: ecspi2grp {
++ pinctrl_ecspi2: ecspi2grp { /* RPi#40Pin and MikroBUS */
+ fsl,pins = <
+ MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK 0x82
+ MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI 0x82
@@ -677,21 +751,21 @@
+ >;
+ };
+
-+ pinctrl_i2c1: i2c1grp {
++ pinctrl_i2c1: i2c1grp { /* PMIC */
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3
+ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c3
+ >;
+ };
+
-+ pinctrl_i2c2: i2c2grp {
++ pinctrl_i2c2: i2c2grp { /* WM8960, MS1112, ISL1208 */
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c2
+ MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c2
+ >;
+ };
+
-+ pinctrl_i2c5: i2c5grp {
++ pinctrl_i2c5: i2c5grp { /* RPi#40Pin and MikroBUS, HDC1080, AT24C32 */
+ fsl,pins = <
+ MX8MP_IOMUXC_SD1_CMD__I2C5_SDA 0x400001c2
+ MX8MP_IOMUXC_SD1_CLK__I2C5_SCL 0x400001c2
--
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