[PATCH] dt-bindings: pinctrl: renesas: Allow power-source

[Rob Herring (Arm)]

RZ/V2M pin configuration nodes describe the I/O voltage with
power-source. Add the property and allow the 1800 mV and 3300 mV
values used by the DTS.

Assisted-by: LLM
Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
 .../devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
index 88b2fa5e684d..f24d05136f19 100644
--- a/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzv2m-pinctrl.yaml
@@ -73,6 +73,9 @@ additionalProperties:
         bias-disable: true
         bias-pull-down: true
         bias-pull-up: true
+        power-source:
+          description: I/O voltage in millivolts.
+          enum: [ 1800, 3300 ]
         drive-strength-microamp:
           # Superset of supported values
           enum: [ 1600, 1800, 2000, 3200, 3800, 4000, 6400, 7800, 8000,
-- 
2.53.0