diff mbox series

[v6,14/33] dt-bindings: usb: xhci: Add num-hc-interrupters definition

Message ID 20230916001026.315-15-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State Superseded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. 16, 2023, 12:10 a.m. UTC 
Add the definition for how many interrupts the XHCI host controller should
allocate.  XHCI can potentially support up to 1024 interrupters, which
implementations may want to limit.

Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
---
 Documentation/devicetree/bindings/usb/usb-xhci.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Rob Herring Sept. 18, 2023, 8:19 p.m. UTC | #1 
On Fri, 15 Sep 2023 17:10:07 -0700, Wesley Cheng wrote:
> Add the definition for how many interrupts the XHCI host controller should
> allocate.  XHCI can potentially support up to 1024 interrupters, which
> implementations may want to limit.
> 
> Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
> ---
>  Documentation/devicetree/bindings/usb/usb-xhci.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

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

Patch

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
index 180a261c3e8f..4238ae896ef6 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
@@ -29,6 +29,12 @@  properties:
     description: Interrupt moderation interval
     default: 5000
 
+  num-hc-interrupters:
+    description: Maximum number of interrupters to allocate
+    $ref: /schemas/types.yaml#/definitions/uint16
+    minimum: 1
+    maximum: 1024
+
 additionalProperties: true
 
 examples: