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Date:	Sat, 07 Dec 2013 12:47:39 +0100
From:	Olliver Schinagl <oliver+list@...inagl.nl>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
CC:	oliver@...inagl.nl, tj@...nel.org, grant.likely@...aro.org,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, dev@...ux-sunxi.org,
	ijc@...lion.org.uk, hdegoede@...hat.com
Subject: Re: [PATCH 3/3] ARM: sunxi: dts: Add ahci support to a few A10 and
 A20 boards

Hey maxime,
On 06-12-13 19:33, Maxime Ripard wrote:
> Hi Oliver,
>
> On Wed, Dec 04, 2013 at 01:10:55PM +0100, oliver@...inagl.nl wrote:
>> From: Oliver Schinagl <oliver@...inagl.nl>
>>
>> This patch adds sunxi sata support to A10 and A20 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 <oliver@...inagl.nl>
>
> Your git setup seems to be pretty uncertain about how your first name is spelled :)
I should have formally mention it to confuse less people,

This is how officially my name is spelled (I left out any 'middle' 
letters. I never really used it as such, as it confuses people and they 
always write it wrong anyway. After years I decided that at least on 
these patches, I should write it down properly (googleability etc in the 
future). So formally it's Olliver 'oliver' M. Schinagl.

And no, I won't share my middle name :p

There! :)
>
>> ---
>>   arch/arm/boot/dts/sun4i-a10-cubieboard.dts      | 26 +++++++++++++++++++++++++
>>   arch/arm/boot/dts/sun4i-a10.dtsi                |  9 +++++++++
>>   arch/arm/boot/dts/sun7i-a20-cubieboard2.dts     | 26 +++++++++++++++++++++++++
>>   arch/arm/boot/dts/sun7i-a20-cubietruck.dts      | 26 +++++++++++++++++++++++++
>>   arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts | 26 +++++++++++++++++++++++++
>>   arch/arm/boot/dts/sun7i-a20.dtsi                |  9 +++++++++
>>   6 files changed, 122 insertions(+)
>
> Could you split this into several patches please?
Yes, appologies, will take care of this! Sorry,

Oliver
>
> At least one per SoC.
>
>> diff --git a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
>> index 425a7db..b620084 100644
>> --- a/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
>> +++ b/arch/arm/boot/dts/sun4i-a10-cubieboard.dts
>> @@ -42,7 +42,18 @@
>>   			};
>>   		};
>>
>> +		sata: ahci@...18000 {
>> +			pwr-supply = <&reg_ahci_5v>;
>> +			status = "okay";
>> +		};
>> +
>>   		pinctrl@...20800 {
>> +			ahci_pwr_pin: ahci_pwr_pin@0 {
>
> Please prefix it with name of the board.
>
>> +				allwinner,pins = "PB8";
>> +				allwinner,function = "gpio_out";
>> +				allwinner,driver = <0>;
>> +				allwinner,pull = <0>;
>> +			};
>
> Please add a newline here.
>
>>   			led_pins_cubieboard: led_pins@0 {
>>   				allwinner,pins = "PH20", "PH21";
>>   				allwinner,function = "gpio_out";
>> @@ -86,4 +97,19 @@
>>   			linux,default-trigger = "heartbeat";
>>   		};
>>   	};
>> +
>> +	regulators {
>> +		compatible = "simple-bus";
>> +		pinctrl-names = "default";
>> +
>> +		reg_ahci_5v: ahci-5v {
>> +			compatible = "regulator-fixed";
>> +			regulator-name = "ahci-5v";
>> +			regulator-min-microvolt = <5000000>;
>> +			regulator-max-microvolt = <5000000>;
>> +			pinctrl-0 = <&ahci_pwr_pin>;
>> +			gpio = <&pio 1 8 0>;
>> +			enable-active-high;
>> +		};
>> +	};
>>   };
>> diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
>> index 4dccdb0..53c6cdb 100644
>> --- a/arch/arm/boot/dts/sun4i-a10.dtsi
>> +++ b/arch/arm/boot/dts/sun4i-a10.dtsi
>> @@ -306,6 +306,15 @@
>>   			#size-cells = <0>;
>>   		};
>>
>> +		sata: ahci@...18000 {
>> +			compatible = "allwinner,sun4i-a10-ahci";
>
> Please use sun4i-ahci for consistency.
>
>> +			reg = <0x01c18000 0x1000>;
>> +			interrupts = <0 56 1>;
>
> The interrupt here doesn't seem right. Is it actually working at all?
>
>> +			clocks = <&ahb_gates 25>, <&pll6 0>;
>> +			clock-names = "ahb_sata", "pll6_sata";
>> +			status = "disabled";
>> +		};
>> +
>>   		intc: interrupt-controller@...20400 {
>>   			compatible = "allwinner,sun4i-ic";
>>   			reg = <0x01c20400 0x400>;
>> diff --git a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
>> index 5c51cb8..99c5e78 100644
>> --- a/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
>> +++ b/arch/arm/boot/dts/sun7i-a20-cubieboard2.dts
>> @@ -34,7 +34,18 @@
>>   			};
>>   		};
>>
>> +		sata: ahci@...18000 {
>> +			pwr-supply = <&reg_ahci_5v>;
>> +			status = "okay";
>> +		};
>> +
>>   		pinctrl@...20800 {
>> +			ahci_pwr_pin: ahci_pwr_pin@0 {
>> +				allwinner,pins = "PB8";
>> +				allwinner,function = "gpio_out";
>> +				allwinner,drive = <0>;
>> +				allwinner,pull = <0>;
>> +			};
>
> Please add a newline here.
>
>>   			led_pins_cubieboard2: led_pins@0 {
>>   				allwinner,pins = "PH20", "PH21";
>>   				allwinner,function = "gpio_out";
>> @@ -77,4 +88,19 @@
>>   			gpios = <&pio 7 20 0>;
>>   		};
>>   	};
>> +
>> +	regulators {
>> +		compatible = "simple-bus";
>> +		pinctrl-names = "default";
>> +
>> +		reg_ahci_5v: ahci-5v {
>> +			compatible = "regulator-fixed";
>> +			regulator-name = "ahci-5v";
>> +			regulator-min-microvolt = <5000000>;
>> +			regulator-max-microvolt = <5000000>;
>> +			pinctrl-0 = <&ahci_pwr_pin>;
>> +			gpio = <&pio 1 8 0>;
>> +			enable-active-high;
>> +		};
>> +	};
>>   };
>> diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
>> index 8a1009d..19af23e 100644
>> --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
>> +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
>> @@ -19,7 +19,18 @@
>>   	compatible = "cubietech,cubietruck", "allwinner,sun7i-a20";
>>
>>   	soc@...00000 {
>> +		sata: ahci@...18000 {
>> +			pwr-supply = <&reg_ahci_5v>;
>> +			status = "okay";
>> +		};
>> +
>>   		pinctrl@...20800 {
>> +			ahci_pwr_pin: ahci_pwr_pin@0 {
>> +				allwinner,pins = "PH12";
>> +				allwinner,function = "gpio_out";
>> +				allwinner,driver = <0>;
>> +				allwinner,pull = <0>;
>> +			};
>
> Please add a newline here.
>
>>   			led_pins_cubietruck: led_pins@0 {
>>   				allwinner,pins = "PH7", "PH11", "PH20", "PH21";
>>   				allwinner,function = "gpio_out";
>> @@ -60,4 +71,19 @@
>>   			gpios = <&pio 7 7 0>;
>>   		};
>>   	};
>> +
>> +	regulators {
>> +		compatible = "simple-bus";
>> +		pinctrl-names = "default";
>> +
>> +		reg_ahci_5v: ahci-5v {
>> +			compatible = "regulator-fixed";
>> +			regulator-name = "ahci-5v";
>> +			regulator-min-microvolt = <5000000>;
>> +			regulator-max-microvolt = <5000000>;
>> +			pinctrl-0 = <&ahci_pwr_pin>;
>> +			gpio = <&pio 7 12 0>;
>> +			enable-active-high;
>> +		};
>> +	};
>>   };
>> diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
>> index ead3013..23ed708 100644
>> --- a/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
>> +++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts
>> @@ -34,7 +34,19 @@
>>   			};
>>   		};
>>
>> +		sata: ahci@...18000 {
>> +			pwr-supply = <&reg_ahci_5v>;
>> +			status = "okay";
>> +		};
>> +
>>   		pinctrl@...20800 {
>> +			ahci_pwr_pin: ahci_pwr_pin@0 {
>> +				allwinner,pins = "PB8";
>> +				allwinner,function = "gpio_out";
>> +				allwinner,drive = <0>;
>> +				allwinner,pull = <0>;
>> +			};
>> +
>>   			led_pins_olinuxino: led_pins@0 {
>>   				allwinner,pins = "PH2";
>>   				allwinner,function = "gpio_out";
>> @@ -91,4 +103,18 @@
>>   			default-state = "on";
>>   		};
>>   	};
>> +
>> +	regulators {
>> +		compatible = "simple-bus";
>> +
>> +		reg_ahci_5v: ahci-5v {
>> +			compatible = "regulator-fixed";
>> +			regulator-name = "ahci-5v";
>> +			regulator-min-microvolt = <5000000>;
>> +			regulator-max-microvolt = <5000000>;
>> +			pinctrl-0 = <&ahci_pwr_pin>;
>> +			gpio = <&pio 1 8 0>;
>> +			enable-active-high;
>> +		};
>> +	};
>>   };
>> diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
>> index 0552a64..b72c69e 100644
>> --- a/arch/arm/boot/dts/sun7i-a20.dtsi
>> +++ b/arch/arm/boot/dts/sun7i-a20.dtsi
>> @@ -368,6 +368,15 @@
>>   			};
>>   		};
>>
>> +		sata: ahci@...18000 {
>> +			compatible = "allwinner,sun4i-a10-ahci";
>> +			reg = <0x01c18000 0x1000>;
>> +			interrupts = <0 56 1>;
Will always fix this to <0 56 4> if i'm not mistaken.

oliver
>> +			clocks = <&ahb_gates 25>, <&pll6 0>;
>> +			clock-names = "ahb_sata", "pll6_sata";
>> +			status = "disabled";
>> +		};
>> +
>>   		timer@...20c00 {
>>   			compatible = "allwinner,sun4i-timer";
>>   			reg = <0x01c20c00 0x90>;
>> --
>> 1.8.3.2
>>
>
> Thanks,
> Maxime
>

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