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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt
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@@ -6,7 +6,7 @@
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 - clocks: This clock defines the base clock frequency of the PWM hardware
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   system, the period and the duty_cycle of the PWM signal is a multiple of
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   the base period.
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-- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of
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+- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
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   the cells format.
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 Examples: