linux-kernel - [PATCH] arm64: dts: renesas: ulcb-kf: add KF HDMI output

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Message-Id: <20211225115308.2152364-1-nikita.yoush@cogentembedded.com>
Date:   Sat, 25 Dec 2021 14:53:09 +0300
From:   Nikita Yushchenko <nikita.yoush@...entembedded.com>
To:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>
Subject: [PATCH] arm64: dts: renesas: ulcb-kf: add KF HDMI output

This patch adds nodes needed to enable DRM video output over HDMI
connector located on KF board.

Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
---
 arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 93 ++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 61bd4df09df0..a66301a4081d 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -51,6 +51,31 @@ wlan_en: regulator-wlan_en {
 		startup-delay-us = <70000>;
 		enable-active-high;
 	};
+
+	hdmi_1v8: regulator-hdmi-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "hdmi-1v8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	hdmi_3v3: regulator-hdmi-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "hdmi-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	hdmi1-out {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi1_con: endpoint {
+				remote-endpoint = <&adv7513_out>;
+			};
+		};
+	};
 };
 
 &can0 {
@@ -91,6 +116,58 @@ i2cswitch2: i2c-switch@71 {
 		reg = <0x71>;
 		reset-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
 
+		/* HDMIoSDA, HDMIoSCL */
+		i2c@4 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <4>;
+
+			hdmi@3d {
+				compatible = "adi,adv7513";
+				reg = <0x3d>;
+
+				pinctrl-0 = <&hdmi1_pins>;
+				pinctrl-names = "default";
+
+				interrupt-parent = <&gpio2>;
+				interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
+
+				clocks = <&cs2000>;
+				clock-names = "cec";
+
+				pd-gpios = <&gpio_exp_75 5 GPIO_ACTIVE_LOW>;
+
+				avdd-supply = <&hdmi_1v8>;
+				dvdd-supply = <&hdmi_1v8>;
+				pvdd-supply = <&hdmi_1v8>;
+				dvdd-3v-supply = <&hdmi_3v3>;
+				bgvdd-supply = <&hdmi_1v8>;
+
+				adi,input-depth = <8>;
+				adi,input-colorspace = "rgb";
+				adi,input-clock = "1x";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						adv7513_in: endpoint {
+							remote-endpoint = <&du_out_rgb>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+						adv7513_out: endpoint {
+							remote-endpoint = <&hdmi1_con>;
+						};
+					};
+				};
+			};
+		};
+
 		/* Audio_SDA, Audio_SCL */
 		i2c@7 {
 			#address-cells = <1>;
@@ -236,6 +313,10 @@ gpio_exp_77: gpio@77 {
 	};
 };
 
+&du_out_rgb {
+	remote-endpoint = <&adv7513_in>;
+};
+
 &ohci0 {
 	dr_mode = "otg";
 	status = "okay";
@@ -289,6 +370,18 @@ usb0_pins: usb0 {
 		groups = "usb0";
 		function = "usb0";
 	};
+
+	hdmi1_pins: hdmi1 {
+		du {
+			groups = "du_rgb888", "du_sync", "du_clk_out_0", "du_disp";
+			function = "du";
+		};
+
+		adv7513-interrupt {
+			pins = "GP_2_14";
+			bias-pull-up;
+		};
+	};
 };
 
 &rcar_sound {
-- 
2.30.2