| Message ID | 1484649143-19423-3-git-send-email-pankaj.dubey@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hello Pankaj, On 01/17/2017 07:32 AM, Pankaj Dubey wrote: > 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@samsung.com> > Signed-off-by: Vivek Gautam <gautamvivek1987@gmail.com> Same comment than 1/2 here. > --- > 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>; Please use the GPIO_ACTIVE_HIGH instead for the GPIO polarity. > + 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>; Same here. > + 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>; EXYNOS_PIN_FUNC_OUTPUT > + samsung,pin-pud = <0>; EXYNOS_PIN_PULL_NONE > + samsung,pin-drv = <0>; I see that there are no Exynos7 drive strengths values for Exynos7 in include/dt-bindings/pinctrl/samsung.h. It would be good to add those (on a different series of course). The patch looks good to me, so after the minor nits: Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Best regards,
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>; + }; +};