On Fri, Oct 11, 2024 at 07:56:02PM -0700, Florian Fainelli wrote: > Document the 'open-drain' property that allows configuring the PWM > controller outputs in open drain versus totem pole. > > Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml > index 119de3d7f9dd..12851c43a612 100644 > --- a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml > +++ b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.yaml > @@ -25,6 +25,12 @@ properties: > clocks: > maxItems: 1 > > + open-drain: > + type: boolean > + description: > + Configure the outputs with open-drain structure, if omitted totem pole > + structure is used. > + There's one other PWM with 'open-drain' so move the definition to pwm.yaml. Alternatively, 'drive-open-drain' is a much more commonly used variation. Another thing to consider is for any PWM controller with more than 1 output, you might want this to be per output and therefore should be a flag in the cells. Rob
