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

From: Chris Packham
Date: Mon Feb 17 2020 - 18:47:19 EST


Add binding information for the invert-pwm property.

Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
---
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 61da90c82649..c11c9a3d9a64 100644
--- a/Documentation/devicetree/bindings/hwmon/adt7475.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
@@ -50,6 +50,17 @@ patternProperties:
not bypassed. If the property is absent then the attenuator
retains it's configuration from the bios/bootloader.

+ "^invert-pwm[1-3]$":
+ maxItems: 1
+ minimum: 0
+ maximum: 1
+ 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.
+
required:
- compatible
- reg
@@ -65,6 +76,7 @@ examples:
reg = <0x2e>;
bypass-attenuator-in0 = <1>;
bypass-attenuator-in1 = <0>;
+ invert-pwm1 = <1>;
};
};

--
2.25.0