diff mbox series

[v2,10/10] arm64: dts: renesas: gray-hawk-single: Add DisplayPort support

Message ID 20241205-rcar-gh-dsi-v2-10-42471851df86@ideasonboard.com (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series drm: Add DSI/DP support for Renesas r8a779h0 V4M and grey-hawk board | expand

Commit Message

Tomi Valkeinen Dec. 5, 2024, 1:45 p.m. UTC 
From: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>

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

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

Patch

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@480000000 {
 		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";