linux-kernel - Re: [PATCH v4 1/4] ARM: Exynos5250: Enabling ehci-s5p driver

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Message-ID: <CAFp+6iFgaT9D2hR0pX34jo2g+GHftmA0Mw3y96-oKe0KakZOxA@mail.gmail.com>
Date:	Wed, 16 Jan 2013 10:51:17 +0530
From:	Vivek Gautam <gautamvivek1987@...il.com>
To:	Vivek Gautam <gautam.vivek@...sung.com>
Cc:	linux-samsung-soc@...r.kernel.org, jg1.han@...sung.com,
	kgene.kim@...sung.com, devicetree-discuss@...ts.ozlabs.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/4] ARM: Exynos5250: Enabling ehci-s5p driver

On Tue, Jan 15, 2013 at 7:08 PM, Vivek Gautam <gautam.vivek@...sung.com> wrote:
> Adding EHCI device tree node for Exynos5250 along with
> the device base adress and gpio line for vbus.
>
> Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
> Acked-by: Jingoo Han <jg1.han@...sung.com>
> Acked-by: Grant Likely <grant.likely@...retlab.ca>
> ---
>  .../devicetree/bindings/usb/exynos-usb.txt         |   25 ++++++++++++++++++++
>  arch/arm/boot/dts/exynos5250-smdk5250.dts          |    4 +++
>  arch/arm/boot/dts/exynos5250.dtsi                  |    6 ++++
>  3 files changed, 35 insertions(+), 0 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/exynos-usb.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
> new file mode 100644
> index 0000000..e8bbb47
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
> @@ -0,0 +1,25 @@
> +Samsung Exynos SoC USB controller
> +
> +The USB devices interface with USB controllers on Exynos SOCs.
> +The device node has following properties.
> +
> +EHCI
> +Required properties:
> + - compatible: should be "samsung,exynos4210-ehci" for USB 2.0
> +   EHCI controller in host mode.
> + - reg: physical base address of the controller and length of memory mapped
> +   region.
> + - interrupts: interrupt number to the cpu.
> +
> +Optional properties:
> + - samsung,vbus-gpio:  if present, specifies the GPIO that
> +   needs to be pulled up for the bus to be powered.
> +
> +Example:
> +
> +       usb@...10000 {
> +               compatible = "samsung,exynos4210-ehci";
> +               reg = <0x12110000 0x100>;
> +               interrupts = <0 71 0>;
> +               samsung,vbus-gpio = <&gpx2 6 1 3 3>;
> +       };
> diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> index 942d576..7363e14 100644
> --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> @@ -204,4 +204,8 @@
>                 samsung,mfc-r = <0x43000000 0x800000>;
>                 samsung,mfc-l = <0x51000000 0x800000>;
>         };
> +
> +       usb@...10000 {
> +               samsung,vbus-gpio = <&gpx2 6 1 3 3>;
> +       };

Add required vbus gpio for snow board also here.

>  };


-- 
Thanks & Regards
Vivek
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