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 diff --git a/arch/arm/boot/dts/sun4i-a10-a1000.dts b/arch/arm/boot/dts/sun4i-a10-a1000.dts
  19 index aef8207..fd6d512 100644
  20 --- a/arch/arm/boot/dts/sun4i-a10-a1000.dts
  21 +++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts
  22 @@ -48,6 +48,10 @@
  23                         status = "okay";
  24                 };
  25
  26 +               sata: ahci@01c18000 {
  27 +                       status = "okay";
  28 +               };
  29 +
  30                 pinctrl@01c20800 {
  31                         mmc0_cd_pin_a1000: mmc0_cd_pin@0 {
  32                                 allwinner,pins = "PH1";
  33 diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  34 index f50fb2b..53ac453 100644
  35 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  36 +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  37 @@ -51,7 +51,19 @@
  38                         status = "okay";
  39                 };
  40
  41 +               sata: ahci@01c18000 {
  42 +                       pwr-supply = <&reg_ahci_5v>;
  43 +                       status = "okay";
  44 +               };
  45 +
  46                 pinctrl@01c20800 {
  47 +                       ahci_pwr_pin_cubieboard: ahci_pwr_pin@0 {
  48 +                               allwinner,pins = "PB8";
  49 +                               allwinner,function = "gpio_out";
  50 +                               allwinner,drive = <0>;
  51 +                               allwinner,pull = <0>;
  52 +                       };
  53 +
  54                         mmc0_cd_pin_cubieboard: mmc0_cd_pin@0 {
  55                                 allwinner,pins = "PH1";
  56                                 allwinner,function = "gpio_in";
  57 @@ -102,4 +114,19 @@
  58                         linux,default-trigger = "heartbeat";
  59                 };
  60         };
  61 +
  62 +       regulators {
  63 +               compatible = "simple-bus";
  64 +               pinctrl-names = "default";
  65 +
  66 +               reg_ahci_5v: ahci-5v {
  67 +                       compatible = "regulator-fixed";
  68 +                       regulator-name = "ahci-5v";
  69 +                       regulator-min-microvolt = <5000000>;
  70 +                       regulator-max-microvolt = <5000000>;
  71 +                       pinctrl-0 = <&ahci_pwr_pin_cubieboard>;
  72 +                       gpio = <&pio 1 8 0>;
  73 +                       enable-active-high;
  74 +               };
  75 +       };
  76  };
  77 diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
  78 index 4736dd2..731b491 100644
  79 --- a/arch/arm/boot/dts/sun4i-a10.dtsi
  80 +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
  81 @@ -331,6 +331,15 @@
  82                         status = "disabled";
  83                 };
  84
  85 +               sata: ahci@01c18000 {
  86 +                       compatible = "allwinner,sun4i-a10-ahci";
  87 +                       reg = <0x01c18000 0x1000>;
  88 +                       interrupts = <56>;
  89 +                       clocks = <&ahb_gates 25>, <&pll6 0>;
  90 +                       clock-names = "ahb_sata", "pll6_sata";
  91 +                       status = "disabled";
  92 +               };
  93 +
  94                 intc: interrupt-controller@01c20400 {
  95                         compatible = "allwinner,sun4i-ic";
  96                         reg = <0x01c20400 0x400>;
  97 --
  98 1.8.5.1
  99