From 77f223a57d21cb4e1aeab0051745b88bb76ffab8 Mon Sep 17 00:00:00 2001
From: Josep Orga <jorga@somdevices.com>
Date: Mon, 11 Oct 2021 13:24:12 +0200
Subject: [PATCH] arm64: dts: imx8mn-somdevices.dtsi: Add SN65DSI83 support and
 eeprom.

Signed-off-by: Josep Orga <jorga@somdevices.com>
---
 .../boot/dts/freescale/imx8mn-somdevices.dtsi | 74 ++++++++++++++++++-
 1 file changed, 73 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi
index 00fe08ae0307..e68407488bc6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-somdevices.dtsi
@@ -75,6 +75,14 @@
 		#clock-cells = <0>;
 		clock-frequency = <20000000>;
 	};
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 2000000>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+		status = "okay";
+	};
 };
 
 &A53_0 {
@@ -167,6 +175,51 @@
 	pinctrl-0 = <&pinctrl_i2c1>;
 	status = "okay";
 
+	dsi_lvds_bridge: sn65dsi84@2c {
+		compatible = "ti,sn65dsi83";
+		reg = <0x2c>;
+		ti,dsi-lanes = <4>;
+		ti,lvds-format = <2>;
+		ti,lvds-bpp = <24>;
+		ti,lvds-channels = <1>;
+		ti,width-mm = <154>;
+		ti,height-mm = <87>;
+		enable-gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_lvds>;
+		status = "okay";
+
+		display-timings {
+			lvds {
+				clock-frequency = <51200000>;
+				hactive = <1024>;
+				vactive = <600>;
+				hfront-porch = <120>;
+				hsync-len = <20>;
+				hback-porch = <140>;
+				vfront-porch = <12>;
+				vsync-len = <3>;
+				vback-porch = <20>;
+
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <1>;
+				pixelclk-active = <0>;
+			};
+		};
+
+		port {
+			dsi_lvds_bridge_in: endpoint {
+				remote-endpoint = <&mipi_dsi_out>;
+			};
+		};
+	};
+
+	eeprom@50 {
+		compatible = "microchip,24c02";
+		reg = <0x50>;
+	};
+
 	pmic: pmic@25 {
 		compatible = "nxp,pca9450b";
 		reg = <0x25>;
@@ -325,7 +378,8 @@
 	status = "okay";
 
 	port@1 {
-		dsim_to_adv7535: endpoint {
+		mipi_dsi_out: endpoint {
+			remote-endpoint = <&dsi_lvds_bridge_in>;
 			attach-bridge;
 		};
 	};
@@ -347,6 +401,12 @@
 	};
 };
 
+&pwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm1>;
+	status = "okay";
+};
+
 &resmem {
 	/* global autoconfigured region for contiguous allocations */
 	linux,cma {
@@ -592,12 +652,24 @@
 		>;
 	};
 
+	pinctrl_lvds: lvdsgrp {
+		fsl,pins = <
+			MX8MN_IOMUXC_I2C4_SDA_GPIO5_IO21		0x16
+		>;
+	};
+
 	pinctrl_pmic: pmicirqgrp {
 		fsl,pins = <
 			MX8MN_IOMUXC_I2C4_SCL_GPIO5_IO20	0x141
 		>;
 	};
 
+	pinctrl_pwm1: pwm1grp {
+		fsl,pins = <
+			MX8MN_IOMUXC_GPIO1_IO01_PWM1_OUT	0x16
+		>;
+	};
+
 	pinctrl_sai5: sai5grp {
 		fsl,pins = <
 			MX8MN_IOMUXC_SAI5_MCLK_SAI5_MCLK	0xd6
-- 
2.17.1