linux-kernel - [PATCH 3/3] arm64: dts: renesas: r9a09g056n48-rzv2n-evk: Enable DU and DSI

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Message-ID: <20251103200349.62087-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Mon,  3 Nov 2025 20:03:49 +0000
From: Prabhakar <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Prabhakar <prabhakar.csengg@...il.com>,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 3/3] arm64: dts: renesas: r9a09g056n48-rzv2n-evk: Enable DU and DSI

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Enable DU, DSI and adv7535 HDMI encoder on RZ/V2N Evaluation Kit.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 .../dts/renesas/r9a09g056n48-rzv2n-evk.dts    | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
index 066e66b5d51a..5459465b81f5 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g056n48-rzv2n-evk.dts
@@ -33,6 +33,17 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	hdmi-out {
+		compatible = "hdmi-connector";
+		type = "d";
+
+		port {
+			hdmi_con_out: endpoint {
+				remote-endpoint = <&adv7535_out>;
+			};
+		};
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		/* first 128MB is reserved for secure area. */
@@ -82,12 +93,36 @@ x6: x6-clock {
 		#clock-cells = <0>;
 		clock-frequency = <32768>;
 	};
+
+	/* 12MHz oscillator for ADV7535 */
+	y1: y1-clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <12000000>;
+	};
 };
 
 &audio_extal_clk {
 	clock-frequency = <22579200>;
 };
 
+&du {
+	status = "okay";
+};
+
+&dsi {
+	status = "okay";
+
+	ports {
+		port@1 {
+			dsi_out: endpoint {
+				data-lanes = <1 2 3 4>;
+				remote-endpoint = <&adv7535_in>;
+			};
+		};
+	};
+};
+
 &ehci0 {
 	dr_mode = "otg";
 	status = "okay";
@@ -145,6 +180,40 @@ &i2c3 {
 	pinctrl-names = "default";
 	clock-frequency = <400000>;
 	status = "okay";
+
+	adv7535: hdmi@3d {
+		compatible = "adi,adv7535";
+		reg = <0x3d>, <0x3f>, <0x3c>, <0x38>;
+		reg-names = "main", "edid", "cec", "packet";
+		clocks = <&y1>;
+		clock-names = "cec";
+		avdd-supply = <&reg_1p8v>;
+		dvdd-supply = <&reg_1p8v>;
+		pvdd-supply = <&reg_1p8v>;
+		a2vdd-supply = <&reg_1p8v>;
+		v3p3-supply = <&reg_3p3v>;
+		v1p2-supply = <&reg_1p8v>;
+		adi,dsi-lanes = <4>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				adv7535_in: endpoint {
+					remote-endpoint = <&dsi_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				adv7535_out: endpoint {
+					remote-endpoint = <&hdmi_con_out>;
+				};
+			};
+		};
+	};
 };
 
 &i2c6 {
-- 
2.43.0