On Tue, Jan 15, 2013 at 7:08 PM, Vivek Gautam <gautam.vivek@xxxxxxxxxxx> 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@xxxxxxxxxxx>
> Acked-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
> Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
> ---
> .../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@12110000 {
> + 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@12110000 {
> + samsung,vbus-gpio = <&gpx2 6 1 3 3>;
> + };
Add required vbus gpio for snow board also here.
> };
--
Thanks & Regards
Vivek
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