diff mbox series

[v5,14/32] dt-bindings: usb: xhci: Add num-hc-interrupters definition

Message ID 20230829210657.9904-15-quic_wcheng@quicinc.com
State Changes Requested
Headers show
Series Introduce QC USB SND audio offloading support | expand

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Commit Message

Wesley Cheng Aug. 29, 2023, 9:06 p.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 | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Rob Herring (Arm) Aug. 31, 2023, 5:22 p.m. UTC | #1
On Tue, Aug 29, 2023 at 02:06:39PM -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 | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
> index 180a261c3e8f..2c05757cef01 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
> @@ -29,6 +29,10 @@ 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:
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
index 180a261c3e8f..2c05757cef01 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
@@ -29,6 +29,10 @@  properties:
     description: Interrupt moderation interval
     default: 5000
 
+  num-hc-interrupters:
+    description: Maximum number of interrupters to allocate
+    $ref: /schemas/types.yaml#/definitions/uint16
+
 additionalProperties: true
 
 examples: