[PATCH v1] arm64: dts: rockchip: Add USB Type-C support for Radxa ZERO 3W
From: Ke Sun <hidden>
Date: 2026-01-01 08:34:30
Also in:
linux-devicetree, linux-rockchip
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- .../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@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