Re: [PATCH 3/4] ARM: dts: kirkwood: add Seagate GoFlex Home

[Simon Guinot <simon.guinot@xxxxxxxxxxxx>]

Hi Luka,

On Wed, Nov 04, 2015 at 10:25:08PM +0000, Luka Perkov wrote:
> Based on dts files from OpenWrt.
> 
> Signed-off-by: Luka Perkov <luka.perkov@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/arm/marvell,kirkwood.txt   |   1 +
>  arch/arm/boot/dts/Makefile                         |   1 +
>  arch/arm/boot/dts/kirkwood-goflexhome.dts          | 127 +++++++++++++++++++++
>  3 files changed, 129 insertions(+)
>  create mode 100644 arch/arm/boot/dts/kirkwood-goflexhome.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt b/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt
> index ed381a3..37bd190 100644
> --- a/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt
> +++ b/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt
> @@ -72,6 +72,7 @@ board. Currently known boards are:
>  "raidsonic,ib-nas6220-b"
>  "raidsonic,ib-nas62x0"
>  "seagate,dockstar"
> +"seagate,goflexhome"
>  "seagate,goflexnet"
>  "synology,ds109"
>  "synology,ds110jv10"
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index ebe5b73..1d6fb0d 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -170,6 +170,7 @@ dtb-$(CONFIG_MACH_KIRKWOOD) += \
>  	kirkwood-ds411slim.dtb \
>  	kirkwood-ea3500.dtb \
>  	kirkwood-ea4500.dtb \
> +	kirkwood-goflexhome.dtb \
>  	kirkwood-goflexnet.dtb \
>  	kirkwood-guruplug-server-plus.dtb \
>  	kirkwood-ib62x0.dtb \
> diff --git a/arch/arm/boot/dts/kirkwood-goflexhome.dts b/arch/arm/boot/dts/kirkwood-goflexhome.dts
> new file mode 100644
> index 0000000..5f933d4
> --- /dev/null
> +++ b/arch/arm/boot/dts/kirkwood-goflexhome.dts
> @@ -0,0 +1,127 @@
> +/dts-v1/;
> +
> +#include "kirkwood.dtsi"
> +#include "kirkwood-6281.dtsi"
> +
> +/ {
> +	model = "Seagate GoFlex Home";
> +	compatible = "seagate,goflexhome", "marvell,kirkwood-88f6281", "marvell,kirkwood";
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x00000000 0x8000000>;
> +	};
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200n8 earlyprintk root=/dev/sda1 rootdelay=10";
> +		stdout-path = &uart0;
> +	};
> +
> +	ocp@f1000000 {
> +		pinctrl: pin-controller@10000 {
> +			pmx_usb_power_enable: pmx-usb-power-enable {
> +				marvell,pins = "mpp29";
> +				marvell,function = "gpio";
> +			};
> +			pmx_led_white: pmx-led-white {
> +				marvell,pins = "mpp40";
> +				marvell,function = "gpio";
> +			};
> +			pmx_led_green: pmx-led_green {
> +				marvell,pins = "mpp46";
> +				marvell,function = "gpio";
> +			};
> +			pmx_led_orange: pmx-led-orange {
> +				marvell,pins = "mpp47";
> +				marvell,function = "gpio";
> +			};
> +		};
> +		serial@12000 {
> +			status = "ok";
> +		};
> +
> +		sata@80000 {
> +			status = "okay";
> +			nr-ports = <2>;

I think nr-ports should be set to 1. This device only allows to plug a
single HDD and there is no eSATA connectors.

> +		};
> +
> +	};
> +	gpio-leds {
> +		compatible = "gpio-leds";
> +
> +		health {
> +			label = "status:green:health";
> +			gpios = <&gpio1 14 1>;

It would be better to use GPIO_ACTIVE_LOW instead of 1. The same comment
applies to the other LEDs.

> +			linux,default-trigger = "default-on";
> +		};
> +		fault {
> +			label = "status:orange:fault";
> +			gpios = <&gpio1 15 1>;
> +		};
> +		misc {
> +			label = "status:white:misc";
> +			gpios = <&gpio1 8 1>;
> +			linux,default-trigger = "ide-disk";

ide-disk ? Really ? There is no way this can be correct :)

> +		};
> +	};
> +	regulators {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		pinctrl-0 = <&pmx_usb_power_enable>;
> +		pinctrl-names = "default";
> +
> +		usb_power: regulator@1 {
> +			compatible = "regulator-fixed";
> +			reg = <1>;
> +			regulator-name = "USB Power";
> +			regulator-min-microvolt = <5000000>;
> +			regulator-max-microvolt = <5000000>;
> +			enable-active-high;
> +			regulator-always-on;
> +			regulator-boot-on;
> +			gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>;
> +		};
> +	};
> +};
> +
> +&nand {
> +	chip-delay = <40>;
> +	status = "okay";
> +
> +	partition@0 {
> +		label = "u-boot";
> +		reg = <0x0000000 0x100000>;
> +		read-only;
> +	};
> +
> +	partition@100000 {
> +		label = "uImage";
> +		reg = <0x0100000 0x400000>;
> +	};
> +
> +	partition@500000 {
> +		label = "pogoplug";
> +		reg = <0x0500000 0x2000000>;
> +	};
> +
> +	partition@2500000 {
> +		label = "root";
> +		reg = <0x02500000 0xd800000>;
> +	};
> +};
> +
> +&mdio {
> +	status = "okay";
> +
> +	ethphy0: ethernet-phy@0 {
> +		reg = <0>;
> +	};
> +};
> +
> +&eth0 {
> +	status = "okay";
> +	ethernet0-port@0 {
> +		phy-handle = <&ethphy0>;
> +	};
> +};

Is there a power-off GPIO on this board ?

Regards,

Simon

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