From: Stefan Agner <stefan@agner.ch>
Date: Sun, 16 Nov 2014 18:00:28 +0000 (+0100)
Subject: ARM: dts: vf-colibri: add USB regulators
X-Git-Tag: firefly_0821_release~176^2~2766^2~10^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=505251e504e163f2e2f5c75e9b42cbcd62b792e7;p=firefly-linux-kernel-4.4.55.git

ARM: dts: vf-colibri: add USB regulators

Add structure of USB supply logic. The USB hosts power enable
regulator is needed to control VBUS supply on the Colibri carrier
board.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---

diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
index 20251a3ea813..56a452bc326c 100644
--- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
@@ -11,6 +11,34 @@
 	chosen {
 		bootargs = "console=ttyLP0,115200";
 	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		sys_5v0_reg: regulator@0 {
+			compatible = "regulator-fixed";
+			reg = <0>;
+			regulator-name = "5v0";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			regulator-always-on;
+		};
+
+		/* USBH_PEN */
+		usbh_vbus_reg: regulator@1 {
+			compatible = "regulator-fixed";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usbh1_reg>;
+			reg = <1>;
+			regulator-name = "usbh_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio3 19 GPIO_ACTIVE_LOW>;
+			vin-supply = <&sys_5v0_reg>;
+		};
+	};
 };
 
 &bl {
@@ -62,3 +90,7 @@
 &uart2 {
 	status = "okay";
 };
+
+&usbh1 {
+	vbus-supply = <&usbh_vbus_reg>;
+};
diff --git a/arch/arm/boot/dts/vf-colibri.dtsi b/arch/arm/boot/dts/vf-colibri.dtsi
index 43e7539daf5c..82f5728be5c9 100644
--- a/arch/arm/boot/dts/vf-colibri.dtsi
+++ b/arch/arm/boot/dts/vf-colibri.dtsi
@@ -176,5 +176,11 @@
 				VF610_PAD_PTD3__UART2_CTS		0x21a1
 			>;
 		};
+
+		pinctrl_usbh1_reg: gpio_usb_vbus {
+			fsl,pins = <
+				VF610_PAD_PTD4__GPIO_83			0x22ed
+			>;
+		};
 	};
 };