[PATCH v4 3/5] dt-bindings: hwmon: Document adt7475 invert-pwm property

Chris Packham
2020-02-21T04:17:04Z

Add binding information for the invert-pwm property.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---

Notes:
Changes in v4:
- use $ref uint32 and enum
- add adi vendor prefix

Cahnges in v3:
- new

Documentation/devicetree/bindings/hwmon/adt7475.yaml | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
index e40612ee075f..6a358b30586c 100644
--- a/Documentation/devicetree/bindings/hwmon/adt7475.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
@@ -50,6 +50,17 @@ patternProperties:
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [0, 1]

+ "^adi,invert-pwm[1-3]$":
+ description: |
+ Configures the pwm output to use inverted logic. If set to 1
+ the pwm uses a logic low output for 100% duty cycle. If set
+ to 0 the pwm uses a logic high output for 100% duty cycle.
+ If the property is absent the pwm retains it's configuration
+ from the bios/bootloader.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - enum: [0, 1]
+
required:
- compatible
- reg
@@ -65,6 +76,7 @@ examples:
reg = <0x2e>;
adi,bypass-attenuator-in0 = <1>;
adi,bypass-attenuator-in1 = <0>;
+ adi,invert-pwm1 = <1>;
};
};

--
2.25.0