target/linux/brcm2708/patches-4.1/0088-BCM270x_DT-Default-Compute-Module-i2c-i2s-and-spi-su.patch

   1 From 311119b99b34e88df249d706c69bdcffcd8dafb5 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Wed, 17 Jun 2015 17:10:40 +0100
   4 Subject: [PATCH 088/121] BCM270x_DT: Default Compute Module i2c, i2s and spi
   5  support
   6
   7 ---
   8  arch/arm/boot/dts/bcm2708-rpi-cm.dts | 67 ++++++++++++++++++++++++++++++++++++
   9  1 file changed, 67 insertions(+)
  10
  11 --- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
  12 +++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
  13 @@ -10,10 +10,77 @@
  14         status = "okay";
  15  };
  16
  17 +&gpio {
  18 +       spi0_pins: spi0_pins {
  19 +               brcm,pins = <7 8 9 10 11>;
  20 +               brcm,function = <4>; /* alt0 */
  21 +       };
  22 +
  23 +       i2c0_pins: i2c0 {
  24 +               brcm,pins = <0 1>;
  25 +               brcm,function = <4>;
  26 +       };
  27 +
  28 +       i2c1_pins: i2c1 {
  29 +               brcm,pins = <2 3>;
  30 +               brcm,function = <4>;
  31 +       };
  32 +
  33 +       i2s_pins: i2s {
  34 +               brcm,pins = <18 19 20 21>;
  35 +               brcm,function = <4>; /* alt0 */
  36 +       };
  37 +};
  38 +
  39 +&spi0 {
  40 +       pinctrl-names = "default";
  41 +       pinctrl-0 = <&spi0_pins>;
  42 +
  43 +       spidev@0{
  44 +               compatible = "spidev";
  45 +               reg = <0>;      /* CE0 */
  46 +               #address-cells = <1>;
  47 +               #size-cells = <0>;
  48 +               spi-max-frequency = <500000>;
  49 +       };
  50 +
  51 +       spidev@1{
  52 +               compatible = "spidev";
  53 +               reg = <1>;      /* CE1 */
  54 +               #address-cells = <1>;
  55 +               #size-cells = <0>;
  56 +               spi-max-frequency = <500000>;
  57 +       };
  58 +};
  59 +
  60 +&i2c0 {
  61 +       pinctrl-names = "default";
  62 +       pinctrl-0 = <&i2c0_pins>;
  63 +       clock-frequency = <100000>;
  64 +};
  65 +
  66 +&i2c1 {
  67 +       pinctrl-names = "default";
  68 +       pinctrl-0 = <&i2c1_pins>;
  69 +       clock-frequency = <100000>;
  70 +};
  71 +
  72 +&i2s {
  73 +       #sound-dai-cells = <0>;
  74 +       pinctrl-names = "default";
  75 +       pinctrl-0 = <&i2s_pins>;
  76 +};
  77 +
  78  / {
  79         __overrides__ {
  80                 uart0 = <&uart0>,"status";
  81                 uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
  82 +               i2s = <&i2s>,"status";
  83 +               spi = <&spi0>,"status";
  84 +               i2c0 = <&i2c0>,"status";
  85 +               i2c1 = <&i2c1>,"status";
  86 +               i2c0_baudrate = <&i2c0>,"clock-frequency:0";
  87 +               i2c1_baudrate = <&i2c1>,"clock-frequency:0";
  88                 core_freq = <&clk_core>,"clock-frequency:0";
  89         };
  90  };