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authorWesley Cheng <quic_wcheng@quicinc.com>2024-01-03 00:45:23 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-04 18:09:29 +0300
commit79c58ab241bea76c197d09091eb85b753d5d4416 (patch)
tree5b8d8187526a20286a9eb06967126676ed456012 /Documentation/devicetree/bindings/usb
parentb1541a80414d13b1da9b528b09e68a4a518ae8fe (diff)
downloadlinux-79c58ab241bea76c197d09091eb85b753d5d4416.tar.xz
dt-bindings: usb: dwc3: Limit num-hc-interrupters definition
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> Link: https://lore.kernel.org/r/20240102214549.22498-16-quic_wcheng@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/devicetree/bindings/usb')
-rw-r--r--Documentation/devicetree/bindings/usb/snps,dwc3.yaml4
1 files changed, 4 insertions, 0 deletions
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: