linux-kernel - [PATCH v5 5/9] dts: exynos5250-snow: Add Vbus regulator for USB 3.0

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Message-Id: <1398263451-18023-6-git-send-email-gautam.vivek@samsung.com>
Date:	Wed, 23 Apr 2014 20:00:47 +0530
From:	Vivek Gautam <gautam.vivek@...sung.com>
To:	linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kgene.kim@...sung.com, robh+dt@...nel.org,
	gregkh@...uxfoundation.org, olof@...om.net, balbi@...com,
	jg1.han@...sung.com, t.figa@...sung.com
Subject: [PATCH v5 5/9] dts: exynos5250-snow: Add Vbus regulator for USB 3.0

Add required fixed-regulator for VBUS supply for USB 3.0
controller phy.

Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
---

This is first version of the patch for VBUS support for USB3DRD phy.
v5 is just and indicative of the patch-series.

 arch/arm/boot/dts/exynos5250-snow.dts |   22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index 1ce1088..fd9b3b3 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -37,6 +37,13 @@
 		sd3_bus4: sd3-bus-width4 {
 			samsung,pin-drv = <0>;
 		};
+
+		usb3_vbus_en: usb3-vbus-en {
+			samsung,pins = "gpx2-7";
+			samsung,pin-function = <1>;
+			samsung,pin-pud = <0>;
+			samsung,pin-drv = <0>;
+		};
 	};
 
 	gpio-keys {
@@ -196,6 +203,21 @@
 		};
 	};
 
+	usb3_vbus_reg: regulator-usb3 {
+		compatible = "regulator-fixed";
+		regulator-name = "P5.0V_USB3CON";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpx2 7 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb3_vbus_en>;
+		enable-active-high;
+	};
+
+	phy@...00000 {
+		vbus-supply = <&usb3_vbus_reg>;
+	};
+
 	usb@...10000 {
 		samsung,vbus-gpio = <&gpx1 1 0>;
 	};
-- 
1.7.10.4

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