Hi Tomasz,
On Wed, Jan 16, 2013 at 1:14 PM, Tomasz Figa <tomasz.figa@xxxxxxxxx> wrote:
> Hi Vivek,
>
> On Tuesday 15 of January 2013 19:08:30 Vivek Gautam wrote:
>> Adding OHCI device tree node for Exynos5250 along with
>> the device base address.
>>
>> 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 | 15
>> +++++++++++++++ arch/arm/boot/dts/exynos5250.dtsi |
>> 6 ++++++ 2 files changed, 21 insertions(+), 0 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt
>> b/Documentation/devicetree/bindings/usb/exynos-usb.txt index
>> e8bbb47..f66fcdd 100644
>> --- a/Documentation/devicetree/bindings/usb/exynos-usb.txt
>> +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
>> @@ -23,3 +23,18 @@ Example:
>> interrupts = <0 71 0>;
>> samsung,vbus-gpio = <&gpx2 6 1 3 3>;
>> };
>> +
>> +OHCI
>> +Required properties:
>> + - compatible: should be "samsung,exynos4210-ohci" for USB 2.0
>> + OHCI companion controller in host mode.
>> + - reg: physical base address of the controller and length of memory
>> mapped + region.
>> + - interrupts: interrupt number to the cpu.
>> +
>> +Example:
>> + usb@12120000 {
>> + compatible = "samsung,exynos4210-ohci";
>> + reg = <0x12120000 0x100>;
>> + interrupts = <0 71 0>;
>> + };
>> diff --git a/arch/arm/boot/dts/exynos5250.dtsi
>> b/arch/arm/boot/dts/exynos5250.dtsi index 2cbe53e..ebb0907 100644
>> --- a/arch/arm/boot/dts/exynos5250.dtsi
>> +++ b/arch/arm/boot/dts/exynos5250.dtsi
>> @@ -281,6 +281,12 @@
>> interrupts = <0 71 0>;
>> };
>>
>> + usb@12120000 {
>> + compatible = "samsung,exynos4210-ohci";
>> + reg = <0x12120000 0x100>;
>> + interrupts = <0 71 0>;
>
> For Samsung platforms we decided per board enabling of nodes and so this
> node should also contain:
>
> status = "disabled";
>
> while in dts file of board using ohci there would be an overriding entry:
>
> usb@12120000 {
> status = "okay";
> };
>
Yes, i could see that for exynos4x dt.
> I know that Exynos5250 has not been yet converted into this convention,
> but using it when adding new devices will simplify the process.
>
Sure, will change this and other patches for usb as suggested.
Thanks for the review. :-)
--
Thanks & Regards
Vivek
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