[PATCH v2 5/7] arm64: dts: renesas: white-hawk-cpu: Add DP output support

[Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>]

Add DT nodes needed for the mini DP connector. The DP is driven by
sn65dsi86, which in turn gets the pixel data from the SoC via DSI.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 .../dts/renesas/r8a779g0-white-hawk-cpu.dtsi  | 94 +++++++++++++++++++
 1 file changed, 94 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
index c10740aee9f6..8aab859aac7a 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
@@ -97,6 +97,15 @@ memory@600000000 {
 		reg = <0x6 0x00000000 0x1 0x00000000>;
 	};
 
+	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";
@@ -114,6 +123,24 @@ reg_3p3v: regulator-3p3v {
 		regulator-boot-on;
 		regulator-always-on;
 	};
+
+	mini-dp-con {
+		compatible = "dp-connector";
+		label = "CN5";
+		type = "mini";
+
+		port {
+			mini_dp_con_in: endpoint {
+				remote-endpoint = <&sn65dsi86_out>;
+			};
+		};
+	};
+
+	sn65dsi86_refclk: clk-x6 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <38400000>;
+	};
 };
 
 &avb0 {
@@ -134,6 +161,23 @@ phy0: ethernet-phy@0 {
 	};
 };
 
+&dsi0 {
+	status = "okay";
+
+	ports {
+		port@1 {
+			dsi0_out: endpoint {
+				remote-endpoint = <&sn65dsi86_in>;
+				data-lanes = <1 2 3 4>;
+			};
+		};
+	};
+};
+
+&du {
+	status = "okay";
+};
+
 &extal_clk {
 	clock-frequency = <16666666>;
 };
@@ -172,6 +216,51 @@ eeprom@50 {
 	};
 };
 
+&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_in: endpoint {
+					remote-endpoint = <&dsi0_out>;
+				};
+			};
+
+			port@1 {
+				reg = <1>;
+				sn65dsi86_out: endpoint {
+					remote-endpoint = <&mini_dp_con_in>;
+				};
+			};
+		};
+	};
+};
+
 &mmc0 {
 	pinctrl-0 = <&mmc_pins>;
 	pinctrl-1 = <&mmc_pins>;
@@ -221,6 +310,11 @@ i2c0_pins: i2c0 {
 		function = "i2c0";
 	};
 
+	i2c1_pins: i2c1 {
+		groups = "i2c1";
+		function = "i2c1";
+	};
+
 	keys_pins: keys {
 		pins = "GP_5_0", "GP_5_1", "GP_5_2";
 		bias-pull-up;
-- 
2.34.1