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SubjectRe: [PATCH v4 13/32] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters definition
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On 25/07/2023 04:33, Wesley Cheng wrote:
> Add a new definition for specifying how many XHCI secondary interrupters
> can be allocated. XHCI in general can potentially support up to 1024
> interrupters, which some uses may want to limit depending on how many
> users utilize the interrupters.
>
> Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
> ---
> .../devicetree/bindings/usb/snps,dwc3.yaml | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> index 50edc4da780e..cc6012e922e0 100644
> --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> @@ -376,6 +376,19 @@ properties:
> items:
> enum: [1, 4, 8, 16, 32, 64, 128, 256]
>
> + snps,num-hc-interrupters:
> + description:
> + Defines the maximum number of XHCI host controller interrupters that can
> + be supported. The XHCI host controller has support to allocate multiple
> + event rings, which can be assigned to different clients/users. The DWC3
> + controller has a maximum of 8 interrupters. If this is not defined then
> + the value will be defaulted to 1. This parameter is used only when
> + operating in host mode.
> + $ref: /schemas/types.yaml#/definitions/uint8

You did not respond to Rob's comments before sending this patch. :(

Best regards,
Krzysztof

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