From d367e7d3351edc526133e4bd258dac2dd0b4ef4f Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@gmail.com>
Date: Mon, 14 Sep 2020 11:38:46 -0300
Subject: [PATCH] arm64: dts: imx8mq-evk: Add MIPI DSI support
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imx8mq-evk has a MIPI DSI port that can be used to connect a Raydium
RM67191 panel.

Add support for it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 44 ++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index 7c6808814856..2418cca00bc5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -132,6 +132,10 @@
 	};
 };
 
+&dphy {
+	status = "okay";
+};
+
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec1>;
@@ -255,6 +259,40 @@
 	};
 };
 
+&lcdif {
+	status = "okay";
+};
+
+&mipi_dsi {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	panel@0 {
+		pinctrl-0 = <&pinctrl_mipi_dsi>;
+		pinctrl-names = "default";
+		compatible = "raydium,rm67191";
+		reg = <0>;
+		reset-gpios = <&gpio5 6 GPIO_ACTIVE_LOW>;
+		dsi-lanes = <4>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mipi_dsi_out>;
+			};
+		};
+	};
+
+	ports {
+		port@1 {
+			reg = <1>;
+			mipi_dsi_out: endpoint {
+				remote-endpoint = <&panel_in>;
+			};
+		};
+	};
+};
+
 &pcie0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pcie0>;
@@ -388,6 +426,12 @@
 		>;
 	};
 
+	pinctrl_mipi_dsi: mipidsigrp {
+		fsl,pins = <
+			MX8MQ_IOMUXC_ECSPI1_SCLK_GPIO5_IO6		0x16
+		>;
+	};
+
 	pinctrl_pcie0: pcie0grp {
 		fsl,pins = <
 			MX8MQ_IOMUXC_I2C4_SCL_PCIE1_CLKREQ_B		0x76
-- 
2.25.1