On Tue, Jul 12, 2022 at 11:01:09AM +0100, Ben Dooks wrote: > The dwc pwm controller can be used in non-PCI systems, so allow > either platform or OF based probing. > > Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxx> > --- > .../devicetree/bindings/pwm/pwm-synposys.yaml | 40 ++++++++++++++ Use compatible string for filename. > drivers/pwm/Kconfig | 5 +- > drivers/pwm/pwm-dwc.c | 53 +++++++++++++++++++ > 3 files changed, 96 insertions(+), 2 deletions(-) > create mode 100644 Documentation/devicetree/bindings/pwm/pwm-synposys.yaml > > diff --git a/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml b/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml > new file mode 100644 > index 000000000000..38ac0da75272 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pwm/pwm-synposys.yaml > @@ -0,0 +1,40 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) 2022 SiFive, Inc. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pwm/pwm-synposys.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Synopsys PWM controller > + > +maintainers: > + - Ben Dooks <ben.dooks@xxxxxxxxxx> > + > +properties: > + "#pwm-cells": > + description: | > + See pwm.yaml in this directory for a description of the cells format. pwm.yaml doesn't define how many cells. You need to. And you don't need generic descriptions. > + > + clocks: > + items: > + - description: Interface bus clock > + - description: PWM reference clock > + > + clock-names: > + items: > + - const: bus > + - const: timer > + > + compatible: Convention is compatible comes first in the list. > + oneOf: > + - items: > + - const: snps,pwm Don't need oneOf or items. Just 'const: snps,pwm'. That's pretty generic for a compatible. There's only 1 version of the IP or is the version discoverable? > + > +required: > + - "#pwm-cells" > + - compatible > + - reg > + - clocks > + - clock-names > + > +additionalProperties: false