target/linux/sunxi/patches-3.14/151-dt-sun7i-add-ahci.patch

   1 From cf454a47b64ef78ff85b097c8cb404120c14e6a5 Mon Sep 17 00:00:00 2001
   2 From: Hans de Goede <hdegoede@redhat.com>
   3 Date: Fri, 3 Jan 2014 10:27:51 +0100
   4 Subject: [PATCH] ARM: sun7i: dt: Add ahci / sata support
   5
   6 This patch adds sunxi sata support to A20 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/sun7i-a20-cubieboard2.dts     | 10 ++++++++++
  14  arch/arm/boot/dts/sun7i-a20-cubietruck.dts      | 19 +++++++++++++++++++
  15  arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 10 ++++++++++
  16  arch/arm/boot/dts/sun7i-a20.dtsi                |  8 ++++++++
  17  4 files changed, 47 insertions(+)
  18
  19 --- a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
  20 +++ b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
  21 @@ -13,12 +13,18 @@
  22
  23  /dts-v1/;
  24  /include/ "sun7i-a20.dtsi"
  25 +/include/ "sunxi-common-regulators.dtsi"
  26
  27  / {
  28         model = "Cubietech Cubieboard2";
  29         compatible = "cubietech,cubieboard2", "allwinner,sun7i-a20";
  30
  31         soc@01c00000 {
  32 +               ahci: sata@01c18000 {
  33 +                       target-supply = <&reg_ahci_5v>;
  34 +                       status = "okay";
  35 +               };
  36 +
  37                 pinctrl@01c20800 {
  38                         led_pins_cubieboard2: led_pins@0 {
  39                                 allwinner,pins = "PH20", "PH21";
  40 @@ -74,4 +80,8 @@
  41                         gpios = <&pio 7 20 0>;
  42                 };
  43         };
  44 +
  45 +       reg_ahci_5v: ahci-5v {
  46 +               status = "okay";
  47 +       };
  48  };
  49 --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
  50 +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
  51 @@ -13,13 +13,26 @@
  52
  53  /dts-v1/;
  54  /include/ "sun7i-a20.dtsi"
  55 +/include/ "sunxi-common-regulators.dtsi"
  56
  57  / {
  58         model = "Cubietech Cubietruck";
  59         compatible = "cubietech,cubietruck", "allwinner,sun7i-a20";
  60
  61         soc@01c00000 {
  62 +               ahci: sata@01c18000 {
  63 +                       target-supply = <&reg_ahci_5v>;
  64 +                       status = "okay";
  65 +               };
  66 +
  67                 pinctrl@01c20800 {
  68 +                       ahci_pwr_pin_cubietruck: ahci_pwr_pin@1 {
  69 +                               allwinner,pins = "PH12";
  70 +                               allwinner,function = "gpio_out";
  71 +                               allwinner,drive = <0>;
  72 +                               allwinner,pull = <0>;
  73 +                       };
  74 +
  75                         led_pins_cubietruck: led_pins@0 {
  76                                 allwinner,pins = "PH7", "PH11", "PH20", "PH21";
  77                                 allwinner,function = "gpio_out";
  78 @@ -104,4 +117,10 @@
  79                         gpios = <&pio 7 7 0>;
  80                 };
  81         };
  82 +
  83 +       reg_ahci_5v: ahci-5v {
  84 +               pinctrl-0 = <&ahci_pwr_pin_cubietruck>;
  85 +               gpio = <&pio 7 12 0>;
  86 +               status = "okay";
  87 +       };
  88  };
  89 --- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
  90 +++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
  91 @@ -13,6 +13,7 @@
  92
  93  /dts-v1/;
  94  /include/ "sun7i-a20.dtsi"
  95 +/include/ "sunxi-common-regulators.dtsi"
  96
  97  / {
  98         model = "Olimex A20-Olinuxino Micro";
  99 @@ -36,6 +37,11 @@
 100                         status = "okay";
 101                 };
 102
 103 +               ahci: sata@01c18000 {
 104 +                       target-supply = <&reg_ahci_5v>;
 105 +                       status = "okay";
 106 +               };
 107 +
 108                 pinctrl@01c20800 {
 109                         led_pins_olinuxino: led_pins@0 {
 110                                 allwinner,pins = "PH2";
 111 @@ -105,4 +111,8 @@
 112                         default-state = "on";
 113                 };
 114         };
 115 +
 116 +       reg_ahci_5v: ahci-5v {
 117 +               status = "okay";
 118 +       };
 119  };
 120 --- a/arch/arm/boot/dts/sun7i-a20.dtsi
 121 +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
 122 @@ -450,6 +450,14 @@
 123                         #size-cells = <0>;
 124                 };
 125
 126 +               ahci: sata@01c18000 {
 127 +                       compatible = "allwinner,sun4i-a10-ahci";
 128 +                       reg = <0x01c18000 0x1000>;
 129 +                       interrupts = <0 56 4>;
 130 +                       clocks = <&pll6 0>, <&ahb_gates 25>;
 131 +                       status = "disabled";
 132 +               };
 133 +
 134                 spi3: spi@01c1f000 {
 135                         compatible = "allwinner,sun4i-a10-spi";
 136                         reg = <0x01c1f000 0x1000>;