On Tue, Jul 12, 2022 at 11:01:13AM +0100, Ben Dooks wrote: > Add snps,pwm-number property to indicate if the block does not have > all 8 of the PWM blocks. > > Not sure if this should be a general PWM property consider optional > for all PWM types, so have added a specific one here (there is only > one other controller with a property for PWM count at the moment) > > Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/pwm/pwm-synposys.yaml | 5 +++++ > drivers/pwm/pwm-dwc.c | 8 ++++++++ > 2 files changed, 13 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml b/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml > index 38ac0da75272..15bdf764b46a 100644 > --- a/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml > +++ b/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml > @@ -30,11 +30,16 @@ properties: > - items: > - const: snps,pwm > > + snps,pwm-number: > + $ref: '/schemas/types.yaml#/definitions/uint32' > + description: u32 value representing the number of PWM devices Why do we need to know this? Are you going to have a consumer to a non-existent PWM? If you do need to know how many, it should be implied by the compatible string. Rob
