Add usb host support for rk3288-vyasa, board support hub power
through phy_pwr_en and usb2 host power through usb2_pwr_en and
naming conversion followed as per schematic.
Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/rk3288-vyasa.dts | 48 ++++++++++++++++++++++++++++++++++
include/dt-bindings/pinctrl/rockchip.h | 1 +
2 files changed, 49 insertions(+)
diff --git a/arch/arm/boot/dts/rk3288-vyasa.dts b/arch/arm/boot/dts/rk3288-vyasa.dts
index c79a4c7..c22d674 100644
--- a/arch/arm/boot/dts/rk3288-vyasa.dts
+++ b/arch/arm/boot/dts/rk3288-vyasa.dts
@@ -105,6 +105,30 @@
vin-supply = <&dc12_vbat>;
};
+ vsus_5v: vsus-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vsus_5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vcc_io>;
+ };
+
+ vusb2_5v: vusb2-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vusb2_5v";
+ enable-active-high;
+ gpio = <&gpio8 RK_PB1 GPIO_ACTIVE_HIGH>; /* USB2_PWR_EN */
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb2_pwr_en>;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vsus_5v>;
+ };
+
ext_gmac: external-gmac-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -363,6 +387,20 @@
status = "okay";
};
+&usbphy {
+ status = "okay";
+};
+
+&usb_host0_ehci {
+ status = "okay";
+};
+
+&usb_host1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&phy_pwr_en>;
+ status = "okay";
+};
+
&vopb {
status = "okay";
};
@@ -407,4 +445,14 @@
rockchip,pins = <RK_GPIO0 4 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
+
+ usb_host {
+ phy_pwr_en: phy-pwr-en {
+ rockchip,pins = <RK_GPIO2 RK_PB1 RK_FUNC_GPIO &pcfg_output_high>;
+ };
+
+ usb2_pwr_en: usb2-pwr-en {
+ rockchip,pins = <RK_GPIO8 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
diff --git a/include/dt-bindings/pinctrl/rockchip.h b/include/dt-bindings/pinctrl/rockchip.h
index aaec8ba..dc3d661 100644
--- a/include/dt-bindings/pinctrl/rockchip.h
+++ b/include/dt-bindings/pinctrl/rockchip.h
@@ -24,6 +24,7 @@
#define RK_GPIO3 3
#define RK_GPIO4 4
#define RK_GPIO6 6
+#define RK_GPIO8 8
#define RK_PA0 0
#define RK_PA1 1
--
2.7.4
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