Re: [PATCH v4 13/32] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters definition

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