Add required fixed-regulator for VBUS supply for USB 3.0
controller phy.
Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
---
This is first version of the patch for VBUS support for USB3DRD phy.
v5 is just and indicative of the patch-series.
arch/arm/boot/dts/exynos5420-smdk5420.dts | 46 +++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts
index 6910485..96d99e1 100644
--- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
+++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
@@ -147,6 +147,52 @@
pinctrl-0 = <&hdmi_hpd_irq>;
};
+ pinctrl@14000000 {
+ usb300_vbus_en: usb300-vbus-en {
+ samsung,pins = "gpg0-5";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
+ usb301_vbus_en: usb301-vbus-en {
+ samsung,pins = "gpg1-4";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+ };
+
+ usb300_vbus_reg: regulator-usb300 {
+ compatible = "regulator-fixed";
+ regulator-name = "VBUS0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpg0 5 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb300_vbus_en>;
+ enable-active-high;
+ };
+
+ usb301_vbus_reg: regulator-usb301 {
+ compatible = "regulator-fixed";
+ regulator-name = "VBUS1";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpg1 4 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb301_vbus_en>;
+ enable-active-high;
+ };
+
+ phy@12100000 {
+ vbus-supply = <&usb300_vbus_reg>;
+ };
+
+ phy@12500000 {
+ vbus-supply = <&usb301_vbus_reg>;
+ };
+
i2c_2: i2c@12C80000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
--
1.7.10.4
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