dt-bindings: hwmon: amc6821: Add cooling levels

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The fan can be used as a cooling device, add a description of the
`cooling-levels` property and restrict the maximum value to 255, which
is the highest PWM duty cycle supported by the AMC6821 fan controller.

Signed-off-by: João Paulo Gonçalves <joao.goncalves@toradex.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250613-b4-amc6821-cooling-device-support-v4-1-a8fc063c55de@toradex.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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João Paulo Gonçalves 2025-06-13 10:42:38 -03:00 • committed by Guenter Roeck

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commit f2a32ed869

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Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml

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