ARM: dts: rockchip: enable usb ports on Radxa Rock

This enables both the otg and host port and adds the vbus regulators
on the Radxa Rock board. As we don't have phy support yet, the vbus
regulators are added in always-on mode.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rk3188-radxarock.dts b/arch/arm/boot/dts/rk3188-radxarock.dts
index ff35acf..1be0c34 100644 (file)
--- a/arch/arm/boot/dts/rk3188-radxarock.dts
+++ b/arch/arm/boot/dts/rk3188-radxarock.dts
@@ -65,6 +65,19 @@
                pinctrl-0 = <&ir_recv_pin>;
        };
 
+       vcc_otg: usb-otg-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio2 31 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&host_vbus_drv>;
+               regulator-name = "otg-vbus";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
+
        vcc_sd0: sdmmc-regulator {
                compatible = "regulator-fixed";
                regulator-name = "sdmmc-supply";
@@ -74,6 +87,19 @@
                startup-delay-us = <100000>;
                vin-supply = <&vcc_io>;
        };
+
+       vcc_host: usb-host-regulator {
+               compatible = "regulator-fixed";
+               enable-active-high;
+               gpio = <&gpio0 3 GPIO_ACTIVE_HIGH>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&otg_vbus_drv>;
+               regulator-name = "host-pwr";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               regulator-always-on;
+               regulator-boot-on;
+       };
 };
 
 &i2c1 {
@@ -218,6 +244,15 @@
                        rockchip,pins = <RK_GPIO0 10 RK_FUNC_GPIO &pcfg_pull_none>;
                };
        };
+
+       usb {
+               host_vbus_drv: host-vbus-drv {
+                       rockchip,pins = <0 3 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+               otg_vbus_drv: otg-vbus-drv {
+                       rockchip,pins = <2 31 RK_FUNC_GPIO &pcfg_pull_none>;
+               };
+       };
 };
 
 &uart0 {
@@ -236,6 +271,14 @@
        status = "okay";
 };
 
+&usb_host {
+       status = "okay";
+};
+
+&usb_otg {
+       status = "okay";
+};
+
 &wdt {
        status = "okay";
 };