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@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 4 ++++
1 file changed, 4 insertions(+)
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:
