diff mbox series

[v1,1/2] dt-bindings: hwmon: amc6821: add PWM polarity

Message ID 20250218165633.106867-2-francesco@dolcini.it (mailing list archive)
State New
Headers show
Series hwmon: (amc6821) Add PWM polarity configuration with OF | expand

Commit Message

Francesco Dolcini Feb. 18, 2025, 4:56 p.m. UTC 
From: Francesco Dolcini <francesco.dolcini@toradex.com>

Add property to describe the PWM-Out pin polarity.

Link: https://www.ti.com/lit/gpn/amc6821
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
 Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
index 5d33f1a23d03..11604aa41b3e 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
@@ -28,6 +28,14 @@  properties:
   i2c-mux:
     type: object
 
+  ti,pwm-inverted:
+    type: boolean
+    description:
+      Set to make the PWM-Out pin go high (with an external pull-up resistor)
+      for 100% duty cycle (suitable for driving the fan using a NMOS device),
+      when not set the PWM-Out pin goes low for 100% duty cycle (suitable for
+      driving the fan using a PMOS device).
+
 required:
   - compatible
   - reg