[PATCH v1] arm64: dts: rockchip: Add USB Type-C support for Radxa ZERO 3W

[Ke Sun]

Add vbus_typec regulator and fusb302 Type-C controller configuration
for Radxa ZERO 3W board.

Link: https://dl.radxa.com/zero3/docs/hw/3w/radxa_zero_3w_v1110_schematic.pdf
Signed-off-by: Ke Sun <sunke at kylinos.cn>
---
 .../dts/rockchip/rk3566-radxa-zero-3.dtsi     | 10 +++++++++
 .../dts/rockchip/rk3566-radxa-zero-3w.dts     | 22 +++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi
index 1ee5d96a46a1b..79448016ab490 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3.dtsi
@@ -35,6 +35,16 @@ led-green {
 		};
 	};
 
+	vbus_typec: vbus-typec-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vbus_typec";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc_sys>;
+	};
+
 	vcc_1v8: regulator-1v8-vcc {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_1v8";
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3w.dts b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3w.dts
index f92475c59deb4..54f20856bcfc6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3w.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-radxa-zero-3w.dts
@@ -50,6 +50,12 @@ wifi_wake_host_h: wifi-wake-host-h {
 			rockchip,pins = <0 RK_PB7 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
 	};
+
+	usb-typec {
+		usbc0_int: usbc0-int {
+			rockchip,pins = <3 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
 };
 
 &sdhci {
@@ -90,3 +96,19 @@ &uart1 {
 	uart-has-rtscts;
 	status = "okay";
 };
+
+&i2c3 {
+	status = "okay";
+	pinctrl-0 = <&i2c3m1_xfer>;
+
+	usbc0: fusb302 at 22 {
+		compatible = "fcs,fusb302";
+		reg = <0x22>;
+		interrupt-parent = <&gpio3>;
+		interrupts = <RK_PC7 IRQ_TYPE_LEVEL_LOW>;
+		sel-gpios= <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usbc0_int>;
+		vbus-supply = <&vbus_typec>;
+	};
+};
-- 
2.43.0