arm64: dts: rockchip: enable usb hub on the radxa rock3 model a

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>
Link: https://lore.kernel.org/r/20220425133502.405512-3-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 4169f8a85ecdfb3a663297624716d1b1e31a2eb5..0813c0c5abdedd5826ea2ee9f501ba05f749487f 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -97,6 +97,17 @@
                vin-supply = <&vcc5v0_usb>;
        };
 
+       vcc5v0_usb_hub: vcc5v0-usb-hub-regulator {
+               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-regulator {
                compatible = "regulator-fixed";
                enable-active-high;
@@ -436,6 +447,9 @@
                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>;
                };