openwrt-owl/target/linux/sunxi/patches-3.12/162-add-dt-ehci-for-a20-olinuxino.patch

From 630ccdf33652f8e35b8c84e939d5a86fad9612e2 Mon Sep 17 00:00:00 2001
From: arokux <arokux@gmail.com>
Date: Thu, 19 Sep 2013 21:50:21 +0200
Subject: [PATCH] ARM: sun7i: dt: Add USB EHCI bindings for A20-Olinuxino

---
 arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 49 +++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
index ead3013..e6b1e26 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
@@ -41,6 +41,20 @@
 				allwinner,drive = <1>;
 				allwinner,pull = <0>;
 			};
+
+			usb1_vbus_pin: usb1_vbus_pin@0 {
+					allwinner,pins = "PH6";
+					allwinner,function = "gpio_out";
+					allwinner,drive = <0>;
+					allwinner,pull = <2>;
+			};
+
+			usb2_vbus_pin: usb2_vbus_pin@0 {
+					allwinner,pins = "PH3";
+					allwinner,function = "gpio_out";
+					allwinner,drive = <0>;
+					allwinner,pull = <2>;
+			};
 		};
 
 		uart0: serial@01c28000 {
@@ -76,6 +90,15 @@
 		i2c2: i2c@01c2b400 {
 			pinctrl-names = "default";
 			pinctrl-0 = <&i2c2_pins_a>;
+		};
+
+		ehci0: ehci0@0x01c14000 {
+			vbus-supply = <&reg_usb1_vbus>;
+			status = "okay";
+		};
+
+		ehci1: ehci1@0x01c1c000 {
+			vbus-supply = <&reg_usb2_vbus>;
 			status = "okay";
 		};
 	};
@@ -91,4 +114,30 @@
 			default-state = "on";
 		};
 	};
+
+	regulators {
+		compatible = "simple-bus";
+
+		reg_usb1_vbus: usb1-vbus {
+			compatible = "regulator-fixed";
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb1_vbus_pin>;
+			regulator-name = "usb1-vbus";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			enable-active-high;
+			gpio = <&pio 7 6 0>;
+		};
+
+		reg_usb2_vbus: usb2-vbus {
+			compatible = "regulator-fixed";
+			pinctrl-names = "default";
+			pinctrl-0 = <&usb2_vbus_pin>;
+			regulator-name = "usb2-vbus";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			enable-active-high;
+			gpio = <&pio 7 3 0>;
+		};
+	};
 };
-- 
1.8.4