[PATCH v3 10/10] arm64: dts: renesas: gray-hawk-single: Add DisplayPort support

Tomi Valkeinen
2024-12-06T09:33:45Z

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 --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";

--
2.43.0