[PATCH 1/2] dt-bindings: hwmon: ti,tmp401: Add label property

Add support for an optional channel label property similar to other
hwmon devices.

Signed-off-by: Bruno Thomsen <[email protected]>
---
 .../devicetree/bindings/hwmon/ti,tmp401.yaml  | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
index 0e8ddf0ad789..345ab6203a54 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
@@ -30,6 +30,12 @@ properties:
   reg:
     maxItems: 1
 
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
   ti,extended-range-enable:
     description:
       When set, this sensor measures over extended temperature range.
@@ -50,6 +56,26 @@ properties:
     minimum: 0
     maximum: 15
 
+patternProperties:
+  "^channel@([0-2])$":
+    type: object
+    description: Represents channels of the device and their specific configuration.
+
+    properties:
+      reg:
+        description: The channel number. 0 is local channel, 1-2 are remote channels.
+        items:
+          minimum: 0
+          maximum: 2
+
+      label:
+        description: A descriptive name for this channel, like "ambient" or "psu".
+
+    required:
+      - reg
+
+    additionalProperties: false
+
 allOf:
   - if:
       properties:
@@ -72,6 +98,16 @@ allOf:
       properties:
         ti,beta-compensation: false
 
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: ti,tmp432
+    then:
+      properties:
+        channel@2: false
+
 required:
   - compatible
   - reg
@@ -102,3 +138,25 @@ examples:
         ti,beta-compensation = <0x7>;
       };
     };
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      sensor@4c {
+        compatible = "ti,tmp431";
+        reg = <0x4c>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        channel@0 {
+          reg = <0x0>;
+          label = "front";
+        };
+
+        channel@1 {
+          reg = <0x1>;
+          label = "back";
+        };
+      };
+    };

base-commit: 11028ab62899e4191e074ee364c712b77823a9c4
-- 
2.55.0