[PATCH 1/2] arm64: dts: imx8mp-evk: Add HDMI support

* [PATCH 1/2] arm64: dts: imx8mp-evk: Add HDMI support
@ 2023-08-04 22:13 Fabio Estevam
  2023-08-04 22:13 ` [PATCH 2/2] arm64: defconfig: Enable CONFIG_DRM_IMX_LCDIF Fabio Estevam
  2023-08-11 14:06 ` [PATCH 1/2] arm64: dts: imx8mp-evk: Add HDMI support Shawn Guo
  0 siblings, 2 replies; 3+ messages in thread
From: Fabio Estevam @ 2023-08-04 22:13 UTC (permalink / raw)
  To: shawnguo; +Cc: linux-arm-kernel, Fabio Estevam

From: Fabio Estevam <festevam@denx.de>

imx8mp-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>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 66 ++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index fa37ce89f8d3..cc9d468b43ab 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -16,6 +16,18 @@ chosen {
 		stdout-path = &uart2;
 	};
 
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&adv7533_out>;
+			};
+		};
+	};
+
 	gpio-leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -378,6 +390,40 @@ &i2c2 {
 	pinctrl-names = "default";
 	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>;
+				};
+			};
+
+		};
+	};
 };
 
 &i2c3 {
@@ -443,6 +489,26 @@ &i2c5 {
 	 */
 };
 
+&lcdif1 {
+	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>;
 	clocks = <&pcie0_refclk>;
-- 
2.34.1


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