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[1/2] dt-bindings: hwmon: Document adt7475 pin-function properties

Message ID 20220316234134.290492-2-chris.packham@alliedtelesis.co.nz
State Accepted
Commit 4fc1b113624784cf1a3b5b1ea813afca2a0b9dcc
Headers show
Series hwmon: (adt7475) pin configuration | expand

Commit Message

Chris Packham March 16, 2022, 11:41 p.m. UTC 
The adt7473, adt7475, adt7476 and adt7490 have pins that can be used for
different functions. Add bindings so that it is possible to describe
what pin functions are intended by the hardware design.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---
 .../devicetree/bindings/hwmon/adt7475.yaml    | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
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Patch

diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
index 7d9c083632b9..22beb37f1bf1 100644
--- a/Documentation/devicetree/bindings/hwmon/adt7475.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
@@ -61,6 +61,26 @@  patternProperties:
     $ref: /schemas/types.yaml#/definitions/uint32
     enum: [0, 1]
 
+  "adi,pin(5|10)-function":
+    description: |
+      Configures the function for pin 5 on the adi,adt7473 and adi,adt7475. Or
+      pin 10 on the adi,adt7476 and adi,adt7490.
+    $ref: /schemas/types.yaml#/definitions/string
+    enum:
+      - pwm2
+      - smbalert#
+
+  "adi,pin(9|14)-function":
+    description: |
+      Configures the function for pin 9 on the adi,adt7473 and adi,adt7475. Or
+      pin 14 on the adi,adt7476 and adi,adt7490
+    $ref: /schemas/types.yaml#/definitions/string
+    enum:
+      - tach4
+      - therm#
+      - smbalert#
+      - gpio
+
 required:
   - compatible
   - reg
@@ -79,6 +99,8 @@  examples:
         adi,bypass-attenuator-in0 = <1>;
         adi,bypass-attenuator-in1 = <0>;
         adi,pwm-active-state = <1 0 1>;
+        adi,pin10-function = "smbalert#";
+        adi,pin14-function = "tach4";
       };
     };