[PATCH v2 3/4] dt-bindings: i2c: Add regulator to pca954x and max735x

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

Add a regulator called vdd also present in datasheets of PCA954x
and MAX735x and update the examples.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
---
 Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml | 5 +++++
 Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml
index dc924ec934ca..93eda07718e8 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-max735x.yaml
@@ -57,6 +57,9 @@ properties:
     description: if present, overrides i2c-mux-idle-disconnect
     $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state
 
+  vdd-supply:
+    description: A voltage regulator supplying power to the chip.
+
 required:
   - compatible
   - reg
@@ -75,6 +78,8 @@ examples:
             #size-cells = <0>;
             reg = <0x74>;
 
+            vdd-supply = <&p3v3>;
+
             i2c@1 {
                 #address-cells = <1>;
                 #size-cells = <0>;
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
index 9f1726d0356b..b28d05dc956d 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
@@ -59,6 +59,9 @@ properties:
     description: if present, overrides i2c-mux-idle-disconnect
     $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state
 
+  vdd-supply:
+    description: A voltage regulator supplying power to the chip.
+
 required:
   - compatible
   - reg
@@ -79,6 +82,8 @@ examples:
             #size-cells = <0>;
             reg = <0x74>;
 
+            vdd-supply = <&p3v3>;
+
             interrupt-parent = <&ipic>;
             interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
             interrupt-controller;
-- 
2.33.1