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    Subject[PATCH 11/11] arm64: dts: exynos7-espresso: Add regulators for Vbus and Vbus-Boost
    Date
    Adding fixed voltage regulators for Vbus and Vbus-boost required
    by USB 3.0 DRD controller on Exynos7-espresso board.

    Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
    ---
    arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 43 +++++++++++++++++++++++
    1 file changed, 43 insertions(+)

    diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
    index 5424cc4..2dedd5e 100644
    --- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
    +++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
    @@ -30,6 +30,28 @@
    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_vboost_5v: regulator-usb3drd-vboost {
    + 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_vboost_en>;
    + enable-active-high;
    + };
    };

    &fin_pll {
    @@ -40,6 +62,22 @@
    status = "okay";
    };

    +&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_vboost_en: usb3drd-vboost-en {
    + samsung,pins = "gpf4-1";
    + samsung,pin-function = <1>;
    + samsung,pin-pud = <0>;
    + samsung,pin-drv = <0>;
    + };
    +};
    +
    &rtc {
    status = "okay";
    };
    @@ -82,3 +120,8 @@
    bus-width = <4>;
    disable-wp;
    };
    +
    +&usbdrd_phy {
    + vbus-supply = <&usb30_vbus_reg>;
    + vbus-boost-supply = <&usb3drd_vboost_5v>;
    +};
    --
    1.7.10.4


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