Subject: [PATCH v6 17/18] ARM: sun4i: dt: Add ahci / sata support

From: [email-masked] (Maxime Ripard)
Date: Fri, 21 Feb 2014 19:15:19 +0100

Hi Hans,

On Wed, Feb 19, 2014 at 01:01:59PM +0100, Hans de Goede wrote:
> From: Oliver Schinagl <[email-masked]>
> 
> 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 <[email-masked]>
> Signed-off-by: Hans de Goede <[email-masked]>
> ---
>  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 at 01c18000 {
> +			status = "okay";
> +		};
> +
>  		pinctrl at 01c20800 {
>  			emac_power_pin_a1000: emac_power_pin at 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 at 01c18000 {
> +			target-supply = <&reg_ahci_5v>;
> +			status = "okay";
> +		};
> +
>  		pinctrl at 01c20800 {
>  			led_pins_cubieboard: led_pins at 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 at 01c18000 {
> +			compatible = "allwinner,sun4i-a10-ahci";
> +			reg = <0x01c18000 0x1000>;
> +			interrupts = <56>;
> +			clocks = <&pll6 0>, <&ahb_gates 25>;
> +			status = "disabled";
> +		};
> +
>  		intc: interrupt-controller at 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

Since IIRC we have pretty much the same needs for the USB, can't we
just drop the SATA specific mention and use it as the common DTSI for
the usual regulators?

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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