| Message ID | 20230829210657.9904-14-quic_wcheng@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show
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From: Wesley Cheng <quic_wcheng@quicinc.com>
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Subject: [PATCH v5 13/32] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters
definition
Date: Tue, 29 Aug 2023 14:06:38 -0700
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|
| Series |
Introduce QC USB SND audio offloading support
|
expand
|
diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index a696f23730d3..596762ef9b9f 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 + minimum: 1 + maximum: 8 + default: 1 + port: $ref: /schemas/graph.yaml#/properties/port description:
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(+)