corePWM is capable of inverted operation but the binding requires
\#pwm-cells of 2. Expand the binding to support setting the polarity.
Fixes: df77f7735786 ("dt-bindings: pwm: add microchip corepwm binding")
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/pwm/microchip,corepwm.yaml | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/pwm/microchip,corepwm.yaml b/Documentation/devicetree/bindings/pwm/microchip,corepwm.yaml
index a7fae1772a81..cd8e9a8907f8 100644
--- a/Documentation/devicetree/bindings/pwm/microchip,corepwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/microchip,corepwm.yaml
@@ -30,7 +30,9 @@ properties:
maxItems: 1
"#pwm-cells":
- const: 2
+ enum: [2, 3]
+ description:
+ The only flag supported by the controller is PWM_POLARITY_INVERTED.
microchip,sync-update-mask:
description: |
--
2.37.3
