target/linux/sunxi/patches-3.13/162-1-dt-sun4i-add-ahci-nodes.patch

   1 From 23af610e09f78822ade4067a400ff9ceb5b020ea Mon Sep 17 00:00:00 2001
   2 From: Oliver Schinagl <oliver@schinagl.nl>
   3 Date: Tue, 3 Dec 2013 12:10:11 +0100
   4 Subject: [PATCH] ARM: sun4i: dts: Add ahci / sata support
   5
   6 This patch adds sunxi sata support to A10 boards that have such a connector.
   7 Some boards also feature a regulator via a GPIO and support for this is also
   8 added.
   9
  10 Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
  11 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
  12 ---
  13  arch/arm/boot/dts/sun4i-a10-a1000.dts      |  4 ++++
  14  arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 27 +++++++++++++++++++++++++++
  15  arch/arm/boot/dts/sun4i-a10.dtsi           |  9 +++++++++
  16  3 files changed, 40 insertions(+)
  17
  18 --- a/arch/arm/boot/dts/sun4i-a10-a1000.dts
  19 +++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts
  20 @@ -48,6 +48,10 @@
  21                         status = "okay";
  22                 };
  23
  24 +               sata: ahci@01c18000 {
  25 +                       status = "okay";
  26 +               };
  27 +
  28                 pinctrl@01c20800 {
  29                         mmc0_cd_pin_a1000: mmc0_cd_pin@0 {
  30                                 allwinner,pins = "PH1";
  31 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  32 +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  33 @@ -51,7 +51,19 @@
  34                         status = "okay";
  35                 };
  36
  37 +               sata: ahci@01c18000 {
  38 +                       pwr-supply = <&reg_ahci_5v>;
  39 +                       status = "okay";
  40 +               };
  41 +
  42                 pinctrl@01c20800 {
  43 +                       ahci_pwr_pin_cubieboard: ahci_pwr_pin@0 {
  44 +                               allwinner,pins = "PB8";
  45 +                               allwinner,function = "gpio_out";
  46 +                               allwinner,drive = <0>;
  47 +                               allwinner,pull = <0>;
  48 +                       };
  49 +
  50                         mmc0_cd_pin_cubieboard: mmc0_cd_pin@0 {
  51                                 allwinner,pins = "PH1";
  52                                 allwinner,function = "gpio_in";
  53 @@ -102,4 +114,19 @@
  54                         linux,default-trigger = "heartbeat";
  55                 };
  56         };
  57 +
  58 +       regulators {
  59 +               compatible = "simple-bus";
  60 +               pinctrl-names = "default";
  61 +
  62 +               reg_ahci_5v: ahci-5v {
  63 +                       compatible = "regulator-fixed";
  64 +                       regulator-name = "ahci-5v";
  65 +                       regulator-min-microvolt = <5000000>;
  66 +                       regulator-max-microvolt = <5000000>;
  67 +                       pinctrl-0 = <&ahci_pwr_pin_cubieboard>;
  68 +                       gpio = <&pio 1 8 0>;
  69 +                       enable-active-high;
  70 +               };
  71 +       };
  72  };
  73 --- a/arch/arm/boot/dts/sun4i-a10.dtsi
  74 +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
  75 @@ -338,6 +338,15 @@
  76                         status = "disabled";
  77                 };
  78
  79 +               sata: ahci@01c18000 {
  80 +                       compatible = "allwinner,sun4i-a10-ahci";
  81 +                       reg = <0x01c18000 0x1000>;
  82 +                       interrupts = <56>;
  83 +                       clocks = <&ahb_gates 25>, <&pll6 0>;
  84 +                       clock-names = "ahb_sata", "pll6_sata";
  85 +                       status = "disabled";
  86 +               };
  87 +
  88                 intc: interrupt-controller@01c20400 {
  89                         compatible = "allwinner,sun4i-ic";
  90                         reg = <0x01c20400 0x400>;