diff mbox series

[v7,13/33] dt-bindings: usb: dwc3: Limit num-hc-interrupters definition

Message ID 20230921214843.18450-14-quic_wcheng@quicinc.com (mailing list archive)
State Superseded
Headers show
Series Introduce QC USB SND audio offloading support | expand

Commit Message

Wesley Cheng Sept. 21, 2023, 9:48 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.

Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Rob Herring (Arm) Sept. 25, 2023, 3:32 p.m. UTC | #1 
On Thu, 21 Sep 2023 14:48:23 -0700, Wesley Cheng wrote:
> 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.
> 
> Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
> ---
>  Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index a696f23730d3..1be78be1805b 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
@@ -376,6 +376,10 @@  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: