The popmetal board using a HOST_VBUS_DRV gpio signal to control the USB host port 5V power, add a fix regulator and pinctrl for it, and enable the USB host1 controller with the vbus-supply.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: None
arch/arm/dts/rk3288-popmetal.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/arch/arm/dts/rk3288-popmetal.dtsi b/arch/arm/dts/rk3288-popmetal.dtsi index f3bd468..e5be4cb 100644 --- a/arch/arm/dts/rk3288-popmetal.dtsi +++ b/arch/arm/dts/rk3288-popmetal.dtsi @@ -145,6 +145,18 @@ regulator-always-on; vin-supply = <&vcc_io>; }; + + vcc5v0_host: usb-host-regulator { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&host_vbus_drv>; + regulator-name = "vcc5v0_host"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; };
&cpu0 { @@ -471,6 +483,12 @@ rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>; }; }; + + usb_host { + host_vbus_drv: host-vbus-drv { + rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; };
&tsadc { @@ -515,6 +533,11 @@ status = "okay"; };
+&usb_host1 { + vbus-supply = <&vcc5v0_host>; + status = "okay"; +}; + &usbphy { status = "okay"; };