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authorVivek Gautam <gautamvivek1987@gmail.com>2017-01-18 07:32:53 +0100
committerKrzysztof Kozlowski <krzk@kernel.org>2017-02-02 18:54:05 +0100
commit6629490aa027a8af3160e63cffcddc97c1602c96 (patch)
treee0807598794a015109d2a05801b2d799a675b21d /arch
parentarm64: dts: exynos: Add USB 3.0 controller node for Exynos7 (diff)
downloadlinux-6629490aa027a8af3160e63cffcddc97c1602c96.tar.xz
linux-6629490aa027a8af3160e63cffcddc97c1602c96.zip
arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost
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@gmail.com> Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/boot/dts/exynos/exynos7-espresso.dts45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 25d9b4aa0ff6..e5892bb0ae6e 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;
};
+
+&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>;
+ };
+};
+
+&usbdrd_phy {
+ vbus-supply = <&usb30_vbus_reg>;
+ vbus-boost-supply = <&usb3drd_boost_5v>;
+};