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Message-Id: <20241205-rcar-gh-dsi-v2-10-42471851df86@ideasonboard.com>
Date: Thu, 05 Dec 2024 15:45:05 +0200
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, 
 Magnus Damm <magnus.damm@...il.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, LUU HOAI <hoai.luu.ub@...esas.com>, 
 Jagan Teki <jagan@...rulasolutions.com>, Sam Ravnborg <sam@...nborg.org>, 
 Biju Das <biju.das.jz@...renesas.com>
Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, 
 linux-clk@...r.kernel.org, 
 Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: [PATCH v2 10/10] arm64: dts: renesas: gray-hawk-single: Add
 DisplayPort support

From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>

Add support for the mini DP output on the Gray Hawk board.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>
Tested-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 .../boot/dts/renesas/r8a779h0-gray-hawk-single.dts | 95 ++++++++++++++++++++++
 1 file changed, 95 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
index 057f959d67b3..7cdf07b6dde6 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
@@ -59,6 +59,12 @@ chosen {
 		stdout-path = "serial0:921600n8";
 	};
 
+	sn65dsi86_refclk: clk-x6 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <38400000>;
+	};
+
 	keys {
 		compatible = "gpio-keys";
 
@@ -126,6 +132,27 @@ memory@...000000 {
 		reg = <0x4 0x80000000 0x1 0x80000000>;
 	};
 
+	mini-dp-con {
+		compatible = "dp-connector";
+		label = "CN5";
+		type = "mini";
+
+		port {
+			mini_dp_con_in: endpoint {
+				remote-endpoint = <&sn65dsi86_out0>;
+			};
+		};
+	};
+
+	reg_1p2v: regulator-1p2v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.2V";
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	reg_1p8v: regulator-1p8v {
 		compatible = "regulator-fixed";
 		regulator-name = "fixed-1.8V";
@@ -200,6 +227,24 @@ channel1 {
 	};
 };
 
+&dsi0 {
+	status = "okay";
+
+	ports {
+		port@1 {
+			reg = <1>;
+			dsi0_out: endpoint {
+				remote-endpoint = <&sn65dsi86_in0>;
+				data-lanes = <1 2 3 4>;
+			};
+		};
+	};
+};
+
+&du {
+	status = "okay";
+};
+
 &extal_clk {
 	clock-frequency = <16666666>;
 };
@@ -269,6 +314,51 @@ eeprom@53 {
 	};
 };
 
+&i2c1 {
+	pinctrl-0 = <&i2c1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	bridge@2c {
+		compatible = "ti,sn65dsi86";
+		reg = <0x2c>;
+
+		clocks = <&sn65dsi86_refclk>;
+		clock-names = "refclk";
+
+		interrupt-parent = <&intc_ex>;
+		interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+
+		enable-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
+
+		vccio-supply = <&reg_1p8v>;
+		vpll-supply = <&reg_1p8v>;
+		vcca-supply = <&reg_1p2v>;
+		vcc-supply = <&reg_1p2v>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				sn65dsi86_in0: endpoint {
+					remote-endpoint = <&dsi0_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				sn65dsi86_out0: endpoint {
+					remote-endpoint = <&mini_dp_con_in>;
+				};
+			};
+		};
+	};
+};
+
 &i2c3 {
 	pinctrl-0 = <&i2c3_pins>;
 	pinctrl-names = "default";
@@ -361,6 +451,11 @@ i2c0_pins: i2c0 {
 		function = "i2c0";
 	};
 
+	i2c1_pins: i2c1 {
+		groups = "i2c1";
+		function = "i2c1";
+	};
+
 	i2c3_pins: i2c3 {
 		groups = "i2c3";
 		function = "i2c3";

-- 
2.43.0


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