[PATCH 3/4] dt-bindings: i2c Add regulator to pca954x

[Patrick Rudolph <patrick.rudolph@9elements.com>]

Add a regulator called vcc and update the example.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
index bd794cb80c11..5add7db02c0c 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
@@ -64,6 +64,9 @@ properties:
     description: if present, overrides i2c-mux-idle-disconnect
     $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state
 
+  vcc-supply:
+    description: An optional voltage regulator supplying power to the chip.
+
 required:
   - compatible
   - reg
@@ -84,6 +87,8 @@ examples:
             #size-cells = <0>;
             reg = <0x74>;
 
+            vcc-supply = <&p3v3>;
+
             interrupt-parent = <&ipic>;
             interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
             interrupt-controller;
-- 
2.33.1