From: Conor Dooley conor.dooley@microchip.com
[ Upstream commit a62d196e89887c029d5aef409135f9a2a8667268 ]
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@kernel.org Acked-by: Uwe Kleine-König u.kleine-koenig@pengutronix.de Signed-off-by: Conor Dooley conor.dooley@microchip.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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: |