From 3cae1df0e62432a80db86c80e261eb9bbed326ee Mon Sep 17 00:00:00 2001 From: Oliver Schinagl Date: Tue, 3 Dec 2013 12:10:11 +0100 Subject: [PATCH] ARM: sun4i: dt: Add ahci / sata support This patch adds sunxi sata support to A10 boards that have such a connector. Some boards also feature a regulator via a GPIO and support for this is also added. Signed-off-by: Olliver Schinagl Signed-off-by: Hans de Goede --- arch/arm/boot/dts/sun4i-a10-a1000.dts | 4 ++++ arch/arm/boot/dts/sun4i-a10-cubieboard.dts | 6 +++++ arch/arm/boot/dts/sun4i-a10.dtsi | 8 +++++++ arch/arm/boot/dts/sunxi-ahci-reg.dtsi | 36 ++++++++++++++++++++++++++++++ 4 files changed, 54 insertions(+) create mode 100644 arch/arm/boot/dts/sunxi-ahci-reg.dtsi diff --git a/arch/arm/boot/dts/sun4i-a10-a1000.dts b/arch/arm/boot/dts/sun4i-a10-a1000.dts index cbd2e13..d6ec839 100644 --- a/arch/arm/boot/dts/sun4i-a10-a1000.dts +++ b/arch/arm/boot/dts/sun4i-a10-a1000.dts @@ -35,6 +35,10 @@ }; }; + ahci: sata@01c18000 { + status = "okay"; + }; + pinctrl@01c20800 { emac_power_pin_a1000: emac_power_pin@0 { allwinner,pins = "PH15"; diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts index b139ee6..6df237d8 100644 --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts @@ -12,6 +12,7 @@ /dts-v1/; /include/ "sun4i-a10.dtsi" +/include/ "sunxi-ahci-reg.dtsi" / { model = "Cubietech Cubieboard"; @@ -33,6 +34,11 @@ }; }; + ahci: sata@01c18000 { + target-supply = <®_ahci_5v>; + status = "okay"; + }; + pinctrl@01c20800 { led_pins_cubieboard: led_pins@0 { allwinner,pins = "PH20", "PH21"; diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index 336dbec..454077a 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -338,6 +338,14 @@ #size-cells = <0>; }; + ahci: sata@01c18000 { + compatible = "allwinner,sun4i-a10-ahci"; + reg = <0x01c18000 0x1000>; + interrupts = <56>; + clocks = <&pll6 0>, <&ahb_gates 25>; + status = "disabled"; + }; + intc: interrupt-controller@01c20400 { compatible = "allwinner,sun4i-ic"; reg = <0x01c20400 0x400>; diff --git a/arch/arm/boot/dts/sunxi-ahci-reg.dtsi b/arch/arm/boot/dts/sunxi-ahci-reg.dtsi new file mode 100644 index 0000000..7072af1 --- /dev/null +++ b/arch/arm/boot/dts/sunxi-ahci-reg.dtsi @@ -0,0 +1,36 @@ +/* + * sunxi boards sata target power supply common code + * + * Copyright 2014 - Hans de Goede + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/ { + soc@01c00000 { + pio: pinctrl@01c20800 { + ahci_pwr_pin_a: ahci_pwr_pin@0 { + allwinner,pins = "PB8"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; + }; + }; + + reg_ahci_5v: ahci-5v { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&ahci_pwr_pin_a>; + regulator-name = "ahci-5v"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + enable-active-high; + gpio = <&pio 1 8 0>; + }; +}; -- 1.8.5.5