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[v11,15/41] dt-bindings: usb: dwc3: Limit num-hc-interrupters definition

Message ID 20231220224544.18031-16-quic_wcheng@quicinc.com
State Accepted
Commit 79c58ab241bea76c197d09091eb85b753d5d4416
Headers show
Series Introduce QC USB SND audio offloading support | expand

Commit Message

Wesley Cheng Dec. 20, 2023, 10:45 p.m. UTC 
Ensure that the number of XHCI secondary interrupters defined for a DWC3
based implementation is limited to 8.  XHCI in general can potentially
support up to 1024 interrupters.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index ee5af4b381b1..203a1eb66691 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -432,6 +432,10 @@  properties:
     items:
       enum: [1, 4, 8, 16, 32, 64, 128, 256]
 
+  num-hc-interrupters:
+    maximum: 8
+    default: 1
+
   port:
     $ref: /schemas/graph.yaml#/properties/port
     description: