Hi Rob,
On Wed, Feb 1, 2017 at 9:43 PM, Rob Herring <robh@xxxxxxxxxx> wrote:
> On Mon, Jan 30, 2017 at 01:26:12PM +0530, Raviteja Garimella wrote:
>> The device node is used for UDCs integrated into Broadcom's
>> iProc family of SoCs'. The UDC is based on Synopsys Designware
>> Cores AHB Subsystem USB Device Controller IP.
>>
>> Signed-off-by: Raviteja Garimella <raviteja.garimella@xxxxxxxxxxxx>
>> ---
>> .../bindings/usb/brcm,iproc-snps-udc.txt | 24 ++++++++++++++++++++++
>> 1 file changed, 24 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt
>>
>> diff --git a/Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt b/Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt
>> new file mode 100644
>> index 0000000..537dd4d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/brcm,iproc-snps-udc.txt
>> @@ -0,0 +1,24 @@
>> +Broadcom IPROC USB Device controller.
>> +
>> +The device node is used for UDCs integrated into Broadcom's
>> +iProc family of SoCs'. The UDC is based on Synopsys Designware
>> +Cores AHB Subsystem Device Controller.
>> +
>> +Required properties:
>> + - compatible: should be "brcm,iproc-snps-udc"
>
> Adding "snps" in here adds nothing really. Again, please use per SoC
> compatible strings.
Will do.
>
>> + - reg: Offset and length of UDC register set
>> + - interrupts: description of interrupt line
>> + - phys: phandle to phy node.
>> + - extcon: phandle to the extcon device. This is optional and
>> + not required for those that don't require extcon support.
>> + Extcon support will be required if the UDC is connected to
>> + a Dual Role Device Phy that supports both Host and Device
>> + mode based on the external cable.
>
> Drop this property.
Ok.
Thanks,
Ravi
>
>> +
>> +Example:
>> + udc_dwc: usb@664e0000 {
>> + compatible = "brcm,iproc-snps-udc";
>> + reg = <0x664e0000 0x2000>;
>> + interrupts = <GIC_SPI 424 IRQ_TYPE_LEVEL_HIGH>;
>> + phys = <&usbdrd_phy>;
>> + extcon = <&usbdrd_phy>";
>> --
>> 2.1.0
>>
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