target/linux/sunxi/patches-3.13/164-1-dt-sun4i-add-ahci.patch

   1 From 3cae1df0e62432a80db86c80e261eb9bbed326ee 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: dt: 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 |  6 +++++
  15  arch/arm/boot/dts/sun4i-a10.dtsi           |  8 +++++++
  16  arch/arm/boot/dts/sunxi-ahci-reg.dtsi      | 36 ++++++++++++++++++++++++++++++
  17  4 files changed, 54 insertions(+)
  18  create mode 100644 arch/arm/boot/dts/sunxi-ahci-reg.dtsi
  19
  20 diff --git a/arch/arm/boot/dts/sun4i-a10-a1000.dts b/arch/arm/boot/dts/sun4i-a10-a1000.dts
  21 index cbd2e13..d6ec839 100644
  22 --- a/arch/arm/boot/dts/sun4i-a10-a1000.dts
  23 +++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts
  24 @@ -35,6 +35,10 @@
  25                         };
  26                 };
  27
  28 +               ahci: sata@01c18000 {
  29 +                       status = "okay";
  30 +               };
  31 +
  32                 pinctrl@01c20800 {
  33                         emac_power_pin_a1000: emac_power_pin@0 {
  34                                 allwinner,pins = "PH15";
  35 diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  36 index b139ee6..6df237d8 100644
  37 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  38 +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
  39 @@ -12,6 +12,7 @@
  40
  41  /dts-v1/;
  42  /include/ "sun4i-a10.dtsi"
  43 +/include/ "sunxi-ahci-reg.dtsi"
  44
  45  / {
  46         model = "Cubietech Cubieboard";
  47 @@ -33,6 +34,11 @@
  48                         };
  49                 };
  50
  51 +               ahci: sata@01c18000 {
  52 +                       target-supply = <&reg_ahci_5v>;
  53 +                       status = "okay";
  54 +               };
  55 +
  56                 pinctrl@01c20800 {
  57                         led_pins_cubieboard: led_pins@0 {
  58                                 allwinner,pins = "PH20", "PH21";
  59 diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
  60 index 336dbec..454077a 100644
  61 --- a/arch/arm/boot/dts/sun4i-a10.dtsi
  62 +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
  63 @@ -338,6 +338,14 @@
  64                         #size-cells = <0>;
  65                 };
  66
  67 +               ahci: sata@01c18000 {
  68 +                       compatible = "allwinner,sun4i-a10-ahci";
  69 +                       reg = <0x01c18000 0x1000>;
  70 +                       interrupts = <56>;
  71 +                       clocks = <&pll6 0>, <&ahb_gates 25>;
  72 +                       status = "disabled";
  73 +               };
  74 +
  75                 intc: interrupt-controller@01c20400 {
  76                         compatible = "allwinner,sun4i-ic";
  77                         reg = <0x01c20400 0x400>;
  78 diff --git a/arch/arm/boot/dts/sunxi-ahci-reg.dtsi b/arch/arm/boot/dts/sunxi-ahci-reg.dtsi
  79 new file mode 100644
  80 index 0000000..7072af1
  81 --- /dev/null
  82 +++ b/arch/arm/boot/dts/sunxi-ahci-reg.dtsi
  83 @@ -0,0 +1,36 @@
  84 +/*
  85 + * sunxi boards sata target power supply common code
  86 + *
  87 + * Copyright 2014 - Hans de Goede <hdegoede@redhat.com>
  88 + *
  89 + * The code contained herein is licensed under the GNU General Public
  90 + * License. You may obtain a copy of the GNU General Public License
  91 + * Version 2 or later at the following locations:
  92 + *
  93 + * http://www.opensource.org/licenses/gpl-license.html
  94 + * http://www.gnu.org/copyleft/gpl.html
  95 + */
  96 +
  97 +/ {
  98 +       soc@01c00000 {
  99 +               pio: pinctrl@01c20800 {
 100 +                       ahci_pwr_pin_a: ahci_pwr_pin@0 {
 101 +                               allwinner,pins = "PB8";
 102 +                               allwinner,function = "gpio_out";
 103 +                               allwinner,drive = <0>;
 104 +                               allwinner,pull = <0>;
 105 +                       };
 106 +               };
 107 +       };
 108 +
 109 +       reg_ahci_5v: ahci-5v {
 110 +               compatible = "regulator-fixed";
 111 +               pinctrl-names = "default";
 112 +               pinctrl-0 = <&ahci_pwr_pin_a>;
 113 +               regulator-name = "ahci-5v";
 114 +               regulator-min-microvolt = <5000000>;
 115 +               regulator-max-microvolt = <5000000>;
 116 +               enable-active-high;
 117 +               gpio = <&pio 1 8 0>;
 118 +       };
 119 +};
 120 --
 121 1.8.5.5
 122