From a27335b3f1e03fb3d0cdd28066b4d7d28e71e3a9 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@denx.de>
Date: Tue, 30 May 2023 10:11:12 -0300
Subject: [PATCH] arm64: dts: imx8mm-evk: Add HDMI support

imx8mm-evk has a MIPI DSI port that can be used with a ADV7535 MIPI
DSI to HDMI bridge.

Add support for it.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 3f9dfd4d3884..df8e808ac473 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -19,6 +19,18 @@
 		reg = <0x0 0x40000000 0 0x80000000>;
 	};
 
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&adv7533_out>;
+			};
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -303,6 +315,41 @@
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
 
+	hdmi@3d {
+		compatible = "adi,adv7535";
+		reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
+		reg-names = "main", "cec", "edid", "packet";
+		adi,dsi-lanes = <4>;
+
+		adi,input-depth = <8>;
+		adi,input-colorspace = "rgb";
+		adi,input-clock = "1x";
+		adi,input-style = <1>;
+		adi,input-justification = "evenly";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+
+				adv7533_in: endpoint {
+					remote-endpoint = <&dsi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+
+				adv7533_out: endpoint {
+					remote-endpoint = <&hdmi_connector_in>;
+				};
+			};
+
+		};
+	};
+
 	ptn5110: tcpc@50 {
 		compatible = "nxp,ptn5110";
 		pinctrl-names = "default";
@@ -348,6 +395,26 @@
 	};
 };
 
+&lcdif {
+	status = "okay";
+};
+
+&mipi_dsi {
+	samsung,esc-clock-frequency = <10000000>;
+	status = "okay";
+
+	ports {
+		port@1 {
+			reg = <1>;
+
+			dsi_out: endpoint {
+				remote-endpoint = <&adv7533_in>;
+				data-lanes = <1 2 3 4>;
+			};
+		};
+	};
+};
+
 &pcie_phy {
 	fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
 	fsl,tx-deemph-gen1 = <0x2d>;
-- 
2.49.0