linux-kernel - [PATCH v2] arm64: dts: imx8mp-evk: Add native HDMI output

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Message-Id: <20240823021257.1067054-1-victor.liu@nxp.com>
Date: Fri, 23 Aug 2024 10:12:57 +0800
From: Liu Ying <victor.liu@....com>
To: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	alexander.stein@...tq-group.com
Subject: [PATCH v2] arm64: dts: imx8mp-evk: Add native HDMI output

J17 on i.MX8mp EVK base board is a HDMI type A connector.
It connects with i.MX8mp HDMI PHY.  Add support for it.

Signed-off-by: Liu Ying <victor.liu@....com>
---
v2:
* Change label hdmi_out to hdmi_in. (Alexander)

 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 46 ++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 938347704136..d26930f1a9e9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -56,6 +56,18 @@ memory@...00000 {
 		      <0x1 0x00000000 0 0xc0000000>;
 	};
 
+	native-hdmi-connector {
+		compatible = "hdmi-connector";
+		label = "HDMI OUT";
+		type = "a";
+
+		port {
+			hdmi_in: endpoint {
+				remote-endpoint = <&hdmi_tx_out>;
+			};
+		};
+	};
+
 	pcie0_refclk: pcie0-refclk {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
@@ -408,6 +420,28 @@ &flexcan2 {
 	status = "disabled";/* can2 pin conflict with pdm */
 };
 
+&hdmi_pvi {
+	status = "okay";
+};
+
+&hdmi_tx {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hdmi>;
+	status = "okay";
+
+	ports {
+		port@1 {
+			hdmi_tx_out: endpoint {
+				remote-endpoint = <&hdmi_in>;
+			};
+		};
+	};
+};
+
+&hdmi_tx_phy {
+	status = "okay";
+};
+
 &i2c1 {
 	clock-frequency = <400000>;
 	pinctrl-names = "default";
@@ -604,6 +638,10 @@ &lcdif1 {
 	status = "okay";
 };
 
+&lcdif3 {
+	status = "okay";
+};
+
 &micfil {
 	#sound-dai-cells = <0>;
 	pinctrl-names = "default";
@@ -858,6 +896,14 @@ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16	0x140
 		>;
 	};
 
+	pinctrl_hdmi: hdmigrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL	0x1c2
+			MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA	0x1c2
+			MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC		0x10
+		>;
+	};
+
 	pinctrl_hog: hoggrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD		0x40000010
-- 
2.34.1