[PATCH v3 2/2] arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost

[Alim Akhtar]

Hi,

On Wed, Jan 18, 2017 at 3:32 PM, Pankaj Dubey <pankaj.dubey at samsung.com> wrote:
> From: Vivek Gautam <gautamvivek1987 at gmail.com>
>
> 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 <gautamvivek1987 at gmail.com>
> Signed-off-by: Pankaj Dubey <pankaj.dubey at samsung.com>
> Reviewed-by: Javier Martinez Canillas <javier at osg.samsung.com>
> ---

Reviewed-by: Alim Akhtar <alim.akhtar at samsung.com>

>  arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 45 +++++++++++++++++++++++++
>  1 file changed, 45 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
> index 1b2db9f0..e4705fd 100644
> --- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
> +++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
> @@ -13,6 +13,7 @@
>  #include "exynos7.dtsi"
>  #include <dt-bindings/interrupt-controller/irq.h>
>  #include <dt-bindings/clock/samsung,s2mps11.h>
> +#include <dt-bindings/gpio/gpio.h>
>
>  / {
>         model = "Samsung Exynos7 Espresso board based on EXYNOS7";
> @@ -32,6 +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 GPIO_ACTIVE_HIGH>;
> +               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 GPIO_ACTIVE_HIGH>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&usb3drd_boost_en>;
> +               enable-active-high;
> +       };
> +
>  };
>
>  &fin_pll {
> @@ -365,3 +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 = <EXYNOS_PIN_FUNC_OUTPUT>;
> +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +               samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> +       };
> +
> +       usb3drd_boost_en: usb3drd-boost-en {
> +               samsung,pins = "gpf4-1";
> +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
> +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
> +               samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
> +       };
> +};
> --
> 2.7.4
>
>
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-- 
Regards,
Alim