[PATCH 3/3] arm64: dts: rockchip: enable usb hub on the radxa rock3 model a

Michael Riesch
2022-04-25T13:37:32Z

One USB 2.0 host port on the Radxa ROCK3 Model A is connected to the
SoC via a hub. Introduce a voltage regulator to enable this USB hub.

Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
---
arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index d7e2bc96fde7..75bc2824764f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -97,6 +97,17 @@ vcc5v0_usb_host: vcc5v0-usb-host {
vin-supply = <&vcc5v0_usb>;
};

+ vcc5v0_usb_hub: vcc5v0-usb-hub {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio0 RK_PD5 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc5v0_usb_hub_en>;
+ regulator-name = "vcc5v0_usb_hub";
+ regulator-always-on;
+ vin-supply = <&vcc5v0_usb>;
+ };
+
vcc5v0_usb_otg: vcc5v0-usb-otg {
compatible = "regulator-fixed";
enable-active-high;
@@ -436,6 +447,9 @@ usb {
vcc5v0_usb_host_en: vcc5v0_usb_host_en {
rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
};
+ vcc5v0_usb_hub_en: vcc5v0_usb_hub_en {
+ rockchip,pins = <0 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
vcc5v0_usb_otg_en: vcc5v0_usb_otg_en {
rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
};
--
2.30.2