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 ff35acfa8ae7ffe0689fa90adba8cda14a964436..1be0c34d4187cdaef9655e6bf32e80af11627d3a 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";
 };