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Message-ID: <20231215214955.12110-15-quic_wcheng@quicinc.com>
Date: Fri, 15 Dec 2023 13:49:28 -0800
From: Wesley Cheng <quic_wcheng@...cinc.com>
To: <srinivas.kandagatla@...aro.org>, <mathias.nyman@...el.com>,
        <perex@...ex.cz>, <conor+dt@...nel.org>, <corbet@....net>,
        <gregkh@...uxfoundation.org>, <lgirdwood@...il.com>,
        <andersson@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <konrad.dybcio@...aro.org>, <Thinh.Nguyen@...opsys.com>,
        <broonie@...nel.org>, <bgoswami@...cinc.com>, <tiwai@...e.com>,
        <robh+dt@...nel.org>, <agross@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-sound@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <alsa-devel@...a-project.org>, Wesley Cheng <quic_wcheng@...cinc.com>
Subject: [PATCH v10 14/41] dt-bindings: usb: xhci: Add num-hc-interrupters definition

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.

Reviewed-by: Rob Herring <robh@...nel.org>
Signed-off-by: Wesley Cheng <quic_wcheng@...cinc.com>
---
 Documentation/devicetree/bindings/usb/usb-xhci.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

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:

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