Adding fixed voltage regulators for Vbus and Vbus-boost required
by USB 3.0 DRD controller on Exynos7-espresso board.
Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
Signed-off-by: Vivek Gautam <gautamvivek1987@xxxxxxxxx>
---
arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 44 +++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 9cf73cf..68f3a51 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -33,6 +33,29 @@
device_type = "memory";
reg = <0x0 0x40000000 0x0 0xC0000000>;
};
+
+ usb30_vbus_reg: regulator-usb30 {
+ compatible = "regulator-fixed";
+ regulator-name = "VBUS_5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gph1 1 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb30_vbus_en>;
+ enable-active-high;
+ };
+
+ usb3drd_boost_5v: regulator-usb3drd-boost {
+ compatible = "regulator-fixed";
+ regulator-name = "VUSB_VBUS_5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpf4 1 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb3drd_boost_en>;
+ enable-active-high;
+ };
+
};
&fin_pll {
@@ -366,3 +389,24 @@
vqmmc-supply = <&ldo2_reg>;
disable-wp;
};
+
+&usbdrd_phy {
+ vbus-supply = <&usb30_vbus_reg>;
+ vbus-boost-supply = <&usb3drd_boost_5v>;
+};
+
+&pinctrl_bus1 {
+ usb30_vbus_en: usb30-vbus-en {
+ samsung,pins = "gph1-1";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
+ usb3drd_boost_en: usb3drd-boost-en {
+ samsung,pins = "gpf4-1";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+};
--
2.7.4
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
