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

   1 From 630ccdf33652f8e35b8c84e939d5a86fad9612e2 Mon Sep 17 00:00:00 2001
   2 From: arokux <arokux@gmail.com>
   3 Date: Thu, 19 Sep 2013 21:50:21 +0200
   4 Subject: [PATCH] ARM: sun7i: dt: Add USB EHCI bindings for A20-Olinuxino
   5
   6 ---
   7  arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 49 +++++++++++++++++++++++++
   8  1 file changed, 49 insertions(+)
   9
  10 diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
  11 index ead3013..e6b1e26 100644
  12 --- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
  13 +++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
  14 @@ -41,6 +41,20 @@
  15                                 allwinner,drive = <1>;
  16                                 allwinner,pull = <0>;
  17                         };
  18 +
  19 +                       usb1_vbus_pin: usb1_vbus_pin@0 {
  20 +                                       allwinner,pins = "PH6";
  21 +                                       allwinner,function = "gpio_out";
  22 +                                       allwinner,drive = <0>;
  23 +                                       allwinner,pull = <2>;
  24 +                       };
  25 +
  26 +                       usb2_vbus_pin: usb2_vbus_pin@0 {
  27 +                                       allwinner,pins = "PH3";
  28 +                                       allwinner,function = "gpio_out";
  29 +                                       allwinner,drive = <0>;
  30 +                                       allwinner,pull = <2>;
  31 +                       };
  32                 };
  33
  34                 uart0: serial@01c28000 {
  35 @@ -76,6 +90,15 @@
  36                 i2c2: i2c@01c2b400 {
  37                         pinctrl-names = "default";
  38                         pinctrl-0 = <&i2c2_pins_a>;
  39 +               };
  40 +
  41 +               ehci0: ehci0@0x01c14000 {
  42 +                       vbus-supply = <&reg_usb1_vbus>;
  43 +                       status = "okay";
  44 +               };
  45 +
  46 +               ehci1: ehci1@0x01c1c000 {
  47 +                       vbus-supply = <&reg_usb2_vbus>;
  48                         status = "okay";
  49                 };
  50         };
  51 @@ -91,4 +114,30 @@
  52                         default-state = "on";
  53                 };
  54         };
  55 +
  56 +       regulators {
  57 +               compatible = "simple-bus";
  58 +
  59 +               reg_usb1_vbus: usb1-vbus {
  60 +                       compatible = "regulator-fixed";
  61 +                       pinctrl-names = "default";
  62 +                       pinctrl-0 = <&usb1_vbus_pin>;
  63 +                       regulator-name = "usb1-vbus";
  64 +                       regulator-min-microvolt = <3300000>;
  65 +                       regulator-max-microvolt = <3300000>;
  66 +                       enable-active-high;
  67 +                       gpio = <&pio 7 6 0>;
  68 +               };
  69 +
  70 +               reg_usb2_vbus: usb2-vbus {
  71 +                       compatible = "regulator-fixed";
  72 +                       pinctrl-names = "default";
  73 +                       pinctrl-0 = <&usb2_vbus_pin>;
  74 +                       regulator-name = "usb2-vbus";
  75 +                       regulator-min-microvolt = <3300000>;
  76 +                       regulator-max-microvolt = <3300000>;
  77 +                       enable-active-high;
  78 +                       gpio = <&pio 7 3 0>;
  79 +               };
  80 +       };
  81  };
  82 --
  83 1.8.4
  84