target/linux/sunxi/patches-3.12/131-sun7i-add-i2c-pinmuxing.patch

   1 From 1baebecc2892567373f5f9c3650d21496125af18 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime.ripard@free-electrons.com>
   3 Date: Sat, 31 Aug 2013 23:08:49 +0200
   4 Subject: [PATCH] ARM: sun7i: Add the pin muxing options for the I2C
   5  controllers
   6
   7 The A20 boards we currently have share the same pins for the i2c
   8 controllers they share. Add them to the DTSI.
   9
  10 Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
  11 ---
  12  arch/arm/boot/dts/sun7i-a20.dtsi | 21 +++++++++++++++++++++
  13  1 file changed, 21 insertions(+)
  14
  15 diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
  16 index 0d0ee15..a6cd039 100644
  17 --- a/arch/arm/boot/dts/sun7i-a20.dtsi
  18 +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
  19 @@ -226,6 +226,27 @@
  20                                 allwinner,pull = <0>;
  21                         };
  22
  23 +                       i2c0_pins_a: i2c0@0 {
  24 +                               allwinner,pins = "PB0", "PB1";
  25 +                               allwinner,function = "i2c0";
  26 +                               allwinner,drive = <0>;
  27 +                               allwinner,pull = <0>;
  28 +                       };
  29 +
  30 +                       i2c1_pins_a: i2c1@0 {
  31 +                               allwinner,pins = "PB18", "PB19";
  32 +                               allwinner,function = "i2c1";
  33 +                               allwinner,drive = <0>;
  34 +                               allwinner,pull = <0>;
  35 +                       };
  36 +
  37 +                       i2c2_pins_a: i2c2@0 {
  38 +                               allwinner,pins = "PB20", "PB21";
  39 +                               allwinner,function = "i2c2";
  40 +                               allwinner,drive = <0>;
  41 +                               allwinner,pull = <0>;
  42 +                       };
  43 +
  44                         emac_pins_a: emac0@0 {
  45                                 allwinner,pins = "PA0", "PA1", "PA2",
  46                                                 "PA3", "PA4", "PA5", "PA6",
  47 --
  48 1.8.4
  49