From 160f126b89e10bd58491e10067a44c7e3f85fa2c Mon Sep 17 00:00:00 2001 From: Michael Riesch Date: Mon, 25 Apr 2022 15:35:02 +0200 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20220425133502.405512-3-michael.riesch@wolfvision.net Signed-off-by: Heiko Stuebner --- 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 4169f8a85ecdf..0813c0c5abded 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 @@ 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>; }; -- 2.30.2