[PATCH v2 1/2] dt-bindings: hwmon: amc6821: add PWM polarity

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>

Add property to describe the PWM-Out pin polarity.

Link: https://www.ti.com/lit/gpn/amc6821
Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
---
v2: no changes
v1: https://lore.kernel.org/all/20250218165633.106867-2-francesco@xxxxxxxxxx/
---
 Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

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
-- 
2.39.5





[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux