On Tue, Nov 29, 2022 at 05:11:31PM +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 > $ref: fan-common.yaml# > > Signed-off-by: Naresh Solanki <Naresh.Solanki@xxxxxxxxxxxxx> > --- > .../devicetree/bindings/hwmon/fan-common.yaml | 48 +++++++++++++++++++ > 1 file changed, 48 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml > > diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml > new file mode 100644 > index 000000000000..330fb1552821 > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml > @@ -0,0 +1,48 @@ > +# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause > +%YAML 1.2 > +--- > +$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 > + > + min-rpm: > + description: > + Min 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: > + maxItems: 1 > + description: > + PWM signal for the fan > + > + label: > + description: > + Optional fan label > + > + fan-supply: > + description: > + Power supply for fan. > + I still don't see fan mode (DC or PWM). I understand that you don't care, but from my perspective it must be addressed in generic fan properties, especially to ensure agreement on how 'pwms' is handled on a system where the fan mode is configurable, and how to select the fan speed on systems supporting DC fans. Guenter
