[PATCH v3 2/2] dt-bindings: mediatek: mt6359: Add new property for mt6359

[Shane Chien <shane.chien@xxxxxxxxxxxx>]

From: "Shane.Chien" <shane.chien@xxxxxxxxxxxx>

This patch add "LDO_VAUD18-supply" property to
control vaud18 regulator. It is labeled as required
due to mt6359 audio path always need to enable vaud18.

Signed-off-by: Shane.Chien <shane.chien@xxxxxxxxxxxx>
---
 .../devicetree/bindings/sound/mt6359.yaml          |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mt6359.yaml b/Documentation/devicetree/bindings/sound/mt6359.yaml
index a54f466..ef027c7 100644
--- a/Documentation/devicetree/bindings/sound/mt6359.yaml
+++ b/Documentation/devicetree/bindings/sound/mt6359.yaml
@@ -17,6 +17,11 @@ description: |
   Must be a child node of PMIC wrapper.
 
 properties:
+  LDO_VAUD18-supply:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: |
+      Regulator of LDO VAUD18 at 1.8V.
+
   mediatek,dmic-mode:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: |
@@ -49,11 +54,15 @@ properties:
     description: |
       Specifies the type of mic type connected to adc2
 
+required:
+  - LDO_VAUD18-supply
+
 additionalProperties: false
 
 examples:
   - |
     mt6359codec: mt6359codec {
+      LDO_VAUD18-supply = <&mt6359p_vaud18_reg>;
       mediatek,dmic-mode = <0>;
       mediatek,mic-type-0 = <2>;
     };
-- 
1.7.9.5