The controller driver supports two types of DWC USB3 devices: with a
common interrupt lane and with individual interrupts for each mode. Add
support for both these cases to the DWC USB3 DT schema.

Signed-off-by: Serge Semin <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>

---

Changelog v2:
- Grammar fix: "s/both of these cases support/support for both these cases"
- Drop quotes from around the string constants.

Changelog v4:
- Discard the block scalar style modifier "|" from the interrupts property
  description.
---
 Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
index 079617891da6..c205afd66b7c 100644
--- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml

@@ -31,8 +31,19 @@ properties:
       const: snps,dwc3
 
   interrupts:
+    description:
+      It's either a single common DWC3 interrupt (dwc_usb3) or individual
+      interrupts for the host, gadget and DRD modes.
+    minItems: 1
+    maxItems: 3
+
+  interrupt-names:
     minItems: 1
     maxItems: 3
+    oneOf:
+      - const: dwc_usb3
+      - items:
+          enum: [host, peripheral, otg]
 
   clocks:
     description:

-- 
2.28.0