Re: [PATCH 1/3] dt-bindings: usb: qcom,dwc3: Add multi-pd bindings for dwc3 qcom

[Bjorn Andersson]

On Mon 30 Aug 10:54 PDT 2021, Sandeep Maheswaram wrote:

> Add multi pd bindings to set performance state for cx domain
> to maintain minimum corner voltage for USB clocks.
> 
> Signed-off-by: Sandeep Maheswaram <sanm@xxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/usb/qcom,dwc3.yaml | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> index e70afc4..838d9c4 100644
> --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> @@ -41,7 +41,18 @@ properties:
>  
>    power-domains:
>      description: specifies a phandle to PM domain provider node
> -    maxItems: 1
> +    minItems: 1
> +    items:
> +      - description: optional,cx power domain
> +      - description: USB gdsc power domain
> +
> +  power-domain-names:
> +     items:
> +      - const: cx
> +      - const: usb_gdsc

But "usb_gdsc" is a subdomain of "cx", why can't we describe this fact
in gcc?

Regards,
Bjorn

> +
> +  required-opps:
> +    description: specifies the performance state to cx power domain
>  
>    clocks:
>      description:
> -- 
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