[PATCH v5 1/4] dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document USB VBUS regulator

[Biju Das <biju.das.jz@xxxxxxxxxxxxxx>]

The VBUS enable can be controlled by the VBOUT bit of the VBUS control
register. This register is part of usbphy-ctrl IP.

Document the USB VBUS regulator object.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
v4->v5:
 * Added Rb tag from Krzysztof.
v3->v4:
 * Fixed example indentation to 4 char spaces
 * Dropped regulator-{min,max}-microvolt from example.
v3:
 * New patch
---
 .../bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml
index 03c18611e42d..b0b20af15313 100644
--- a/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml
+++ b/Documentation/devicetree/bindings/reset/renesas,rzg2l-usbphy-ctrl.yaml
@@ -42,6 +42,12 @@ properties:
       0 = Port 1 Phy reset
       1 = Port 2 Phy reset
 
+  regulator-vbus:
+    type: object
+    description: USB VBUS regulator
+    $ref: /schemas/regulator/regulator.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - reg
@@ -49,6 +55,7 @@ required:
   - resets
   - power-domains
   - '#reset-cells'
+  - regulator-vbus
 
 additionalProperties: false
 
@@ -64,4 +71,7 @@ examples:
         resets = <&cpg R9A07G044_USB_PRESETN>;
         power-domains = <&cpg>;
         #reset-cells = <1>;
+        regulator-vbus {
+            regulator-name = "vbus";
+        };
     };
-- 
2.43.0