Re: [PATCH v7 1/2] ohci-platform: Add support for devicetree instantiation

[Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

Hi,

On 01/21/2014 06:59 PM, Sergei Shtylyov wrote:
> Hello.
>
> On 01/15/2014 10:24 PM, Hans de Goede wrote:
>
>> Add support for ohci-platform instantiation from devicetree, including
>> optionally getting clks and a phy from devicetree, and enabling / disabling
>> those on power_on / off.
>
>> This should allow using ohci-platform from devicetree in various cases.
>> Specifically after this commit it can be used for the ohci controller found
>> on Allwinner sunxi SoCs.
>
>> Signed-off-by: Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
>> Acked-by: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>
> [...]
>
>    Have only found time to fully read the patches just now...
>
>> diff --git a/Documentation/devicetree/bindings/usb/usb-ohci.txt b/Documentation/devicetree/bindings/usb/usb-ohci.txt
>> new file mode 100644
>> index 0000000..f9d6c73
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/usb-ohci.txt
>> @@ -0,0 +1,22 @@
>> +USB OHCI controllers
>> +
>> +Required properties:
>> +- compatible : "usb-ohci"
>> +- reg : ohci controller register range (address and length)
>> +- interrupts : ohci controller interrupt
>> +
>> +Optional properties:
>> +- clocks : a list of phandle + clock specifier pairs
>> +- phys : phandle + phy specifier pair
>> +- phy-names : "usb"
>> +
>> +Example:
>> +
>> +    ohci0: ohci@0x01c14400 {
>
>     Two minor nits: there should be no "0x" in the address part of the node name. And according to ePAPR [1], "the name of a node should be somewhat generic, reflecting the function of the device and not its precise programming model. If appropriate, the name should be one of the following choices:
> [...]
> - usb".
>
>     Same comments for "usb-ehci" binding.

You're right on both accounts, I'll do a v8 tomorrow, including a re-spin of the
big-endian patches.

Regards,

Hans

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