linux-kernel - [PATCH] arm64: dts: imx8mp-beacon: Enable DW HDMI Bridge

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Message-ID: <20240804220411.180264-1-aford173@gmail.com>
Date: Sun,  4 Aug 2024 17:04:10 -0500
From: Adam Ford <aford173@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: aford@...conembedded.com,
	Adam Ford <aford173@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: imx8mp-beacon: Enable DW HDMI Bridge

There is a second HDMI connector on the baseboard which is routed
to the DW HDMI bridge through the PVI to the LCDIF3 and requires the
HDMI PHY to be enabled too.

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index cc9b81d46188..bd12420d9fd9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -105,6 +105,17 @@ hdmi_con: endpoint {
 		};
 	};
 
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_connector: endpoint {
+				remote-endpoint = <&hdmi_to_connector>;
+			};
+		};
+	};
+
 	leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
@@ -282,6 +293,24 @@ usb-mux-hog {
 	};
 };
 
+&hdmi_tx {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_hdmi>;
+	status = "okay";
+
+	ports {
+		port@1 {
+			hdmi_to_connector:endpoint {
+				remote-endpoint = <&hdmi_connector>;
+			};
+		};
+	};
+};
+
+&hdmi_tx_phy {
+	status = "okay";
+};
+
 &i2c2 {
 	clock-frequency = <384000>;
 	pinctrl-names = "default";
@@ -344,6 +373,10 @@ pcieclk: clock-generator@68 {
 	};
 };
 
+&hdmi_pvi {
+	status = "okay";
+};
+
 &i2c3 {
 	/* Connected to USB Hub */
 	usb-typec@52 {
@@ -464,6 +497,10 @@ &lcdif1 {
 	status = "okay";
 };
 
+&lcdif3 {
+	status = "okay";
+};
+
 &micfil {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pdm>;
@@ -646,6 +683,15 @@ MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19	0x140
 		>;
 	};
 
+	pinctrl_hdmi: hdmigrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL	0x400001c2
+			MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA	0x400001c2
+			MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD		0x40000010
+			MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC		0x40000010
+		>;
+	};
+
 	pinctrl_i2c2: i2c2grp {
 		fsl,pins = <
 			MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL	0x400001c2
-- 
2.43.0