On Sun, Nov 20, 2022 at 07:13:31AM -0800, Guenter Roeck wrote: > On Wed, Nov 16, 2022 at 10:36:13PM +0100, Naresh Solanki wrote: > > Add common fan properties bindings to a schema. > > > > Bindings for fan controllers can reference the common schema for the > > fan > > > > child nodes: > > > > patternProperties: > > "^fan@[0-2]": > > type: object > > $ref: fan-common.yaml# > > > > Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/hwmon/fan-common.yaml | 42 +++++++++++++++++++ > > 1 file changed, 42 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml > > > > diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml > > new file mode 100644 > > index 000000000000..1954882eed77 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml > > @@ -0,0 +1,42 @@ > > +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/hwmon/fan-common.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Common fan properties > > + > > +maintainers: > > + - Naresh Solanki <naresh.solanki@xxxxxxxxxxxxx> > > + > > +properties: > > + max-rpm: > > + description: > > + Max RPM supported by fan. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + > > + pulses-per-revolution: > > + description: > > + The number of pulse from fan sensor per revolution. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + > > + target-rpm: > > + description: > > + Target RPM the fan should be configured during driver probe. > > + $ref: /schemas/types.yaml#/definitions/uint32 > > + > > + pwms: > > + description: > > + PWM provider. > > + > > + label: > > + description: > > + Optional fan label > > + > > + fan-supply: > > + description: > > + Power supply for fan. > > + > > I still think that at least min-rpm should be added. It is just as common > as max-rpm. Or a table if the response is not linear like LEDs/backlights? Though if there's a tach, that wouldn't be necessary. Rob