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dt-bindings: pwm: fix microchip corePWM's pwm-cells

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[ Upstream commit a62d196e89 ]

corePWM is capable of inverted operation but the binding requires
\#pwm-cells of 2. Expand the binding to support setting the polarity.

Fixes: df77f77357 ("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>
This commit is contained in:
Conor Dooley 2022-10-07 12:35:10 +01:00 committed by Greg Kroah-Hartman
parent d12b10a783
commit 48ad27467b
1 changed files with 3 additions and 1 deletions
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4
Documentation/devicetree/bindings/pwm/microchip,corepwm.yaml
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@ -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: |