[PATCH v2 2/5] dt-bindings: mfd: mediatek,mt6357: Describe Auxiliary ADC subdev

[AngeloGioacchino Del Regno]

Describe the PMIC-integrated Auxiliary Analog to Digital Converter
subdevice node.
Full description is available in the mediatek,mt6359-auxadc.yaml
binding relative to that hardware.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 .../devicetree/bindings/mfd/mediatek,mt6357.yaml       | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml
index 37423c2e0fdf..e3513cad25f6 100644
--- a/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml
+++ b/Documentation/devicetree/bindings/mfd/mediatek,mt6357.yaml
@@ -37,6 +37,11 @@ properties:
   "#interrupt-cells":
     const: 2
 
+  adc:
+    type: object
+    $ref: /schemas/iio/adc/mediatek,mt6359-auxadc.yaml
+    unevaluatedProperties: false
+
   regulators:
     type: object
     $ref: /schemas/regulator/mediatek,mt6357-regulator.yaml
@@ -83,6 +88,11 @@ examples:
             interrupt-controller;
             #interrupt-cells = <2>;
 
+            pmic_adc: adc {
+                    compatible = "mediatek,mt6357-auxadc";
+                    #io-channel-cells = <1>;
+            };
+
             regulators {
                 mt6357_vproc_reg: buck-vproc {
                     regulator-name = "vproc";
-- 
2.45.1