Re: [PATCH] usb: dwc3: core: clarify usb-phy array binding

From: Mark Rutland
Date: Fri Aug 09 2013 - 12:29:07 EST


On Fri, Aug 09, 2013 at 04:40:32PM +0100, Kumar Gala wrote:
> The binding spec wasn't clear that the order of the phandles in the
> usb-phy array has meaning. Clarify this point in the binding that
> it should be <USB2-HS-PHY, USB3-SS-PHY>.
>
> Signed-off-by: Kumar Gala <galak@xxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/usb/dwc3.txt | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
> index 7a95c65..8a9770b 100644
> --- a/Documentation/devicetree/bindings/usb/dwc3.txt
> +++ b/Documentation/devicetree/bindings/usb/dwc3.txt
> @@ -6,7 +6,9 @@ Required properties:
> - compatible: must be "synopsys,dwc3"
> - reg : Address and length of the register set for the device
> - interrupts: Interrupts used by the dwc3 controller.
> - - usb-phy : array of phandle for the PHY device
> + - usb-phy : array of phandle for the PHY device. The first element
> + in the array is expected to be a handle to the USB2/HS PHY and
> + the second element is expected to be a handle to the USB3/SS PHY

Just to check - it's not valid to have a USB3 phy without a USB2 phy?

Mark.
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