[PATCH v4 6/6] dt-bindings: phy: cdns,salvo: add property cdns,usb2-disconnect-threshold-microvolt

[Frank Li]

Add cdns,usb2-disconnect-threshold-microvolt property to address fake USB
disconnection issue during enumeration or suspend state for difference
platform.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
 Documentation/devicetree/bindings/phy/cdns,salvo-phy.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/cdns,salvo-phy.yaml b/Documentation/devicetree/bindings/phy/cdns,salvo-phy.yaml
index c9e65a2facd5..c7281a7c8244 100644
--- a/Documentation/devicetree/bindings/phy/cdns,salvo-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/cdns,salvo-phy.yaml
@@ -31,6 +31,12 @@ properties:
   "#phy-cells":
     const: 0
 
+  cdns,usb2-disconnect-threshold-microvolt:
+    description: The microvolt threshold value utilized for detecting
+      USB disconnection event.
+    enum: [575, 610, 645]
+    default: 575
+
 required:
   - compatible
   - reg
-- 
2.34.1