linux-kernel - [PATCH] dt-bindings: usb: dwc3: xilinx: Add interrupt-names to include hibernation interrupt

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Date:   Wed, 12 Apr 2023 11:38:43 +0530
From:   Piyush Mehta <piyush.mehta@....com>
To:     <gregkh@...uxfoundation.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <michal.simek@...inx.com>
CC:     <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <michal.simek@....com>,
        <siva.durga.prasad.paladugu@....com>,
        <linux-arm-kernel@...ts.infradead.org>, <git@....com>,
        Piyush Mehta <piyush.mehta@....com>
Subject: [PATCH] dt-bindings: usb: dwc3: xilinx: Add interrupt-names to include hibernation interrupt

The hibernation feature enabled for Xilinx Versal NET SoC in DWC3 IP.
Added host mode interrupts and "usb-wakeup" interrupt-names optional
property in the binding schema to capture remote-wakeup and connect/
disconnect event in the hibernation state.

Xilinx dwc3-core uses "host" and "otg" interrupts interrupt-names DT
properties from dwc3-core.

Signed-off-by: Piyush Mehta <piyush.mehta@....com>
---
Note:
- Xilinx uses dwc3-cores interrupt-names DT property.
  Link:
  Xilinx-dwc3 core: https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml#L129
  dwc3-core: https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/usb/snps%2Cdwc3.yaml#L42
---
 Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
index 098b73134a1b..abc32db2448a 100644
--- a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
@@ -44,6 +44,15 @@ properties:
       - const: bus_clk
       - const: ref_clk
 
+  interrupts:
+    items:
+      - description: Handle to the line usb-wakeup used to wake
+          up the host processor.
+
+  interrupt-names:
+    items:
+      - const: usb-wakeup
+
   resets:
     description:
       A list of phandles for resets listed in reset-names.
-- 
2.25.1