On Tue, Jul 01, 2025 at 08:12:27PM +0200, Álvaro Fernández Rojas wrote: > Introduce yaml schema for Microchip emc2101 pwm fan controller with > temperature monitoring. > > Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx> > --- > .../bindings/hwmon/microchip,emc2101.yaml | 79 +++++++++++++++++++ > 1 file changed, 79 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2101.yaml > > v2: add missing properties. > > diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2101.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2101.yaml > new file mode 100644 > index 000000000000..0966559d373e > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2101.yaml > @@ -0,0 +1,79 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/hwmon/microchip,emc2101.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip EMC2101 SMBus compliant PWM fan controller > + > +maintainers: > + - Álvaro Fernández Rojas <noltari@xxxxxxxxx> > + > +description: > + Microchip EMC2101 pwm controller which supports up to 1 fan, 1 internal > + temperature sensor, 1 external temperature sensor and an 8 entry look > + up table to create a programmable temperature response. > + > +properties: > + compatible: > + enum: > + - microchip,emc2101 > + - microchip,emc2101-r Nothing in description explains what 'r' is. > + > + reg: > + maxItems: 1 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > + '#pwm-cells': > + const: 2 > + description: | > + Number of cells in a PWM specifier. > + - cell 0: The PWM frequency > + - cell 1: The PWM polarity: 0 or PWM_POLARITY_INVERTED > + > +patternProperties: > + '^fan@0$': This is just 'fan', not a pattern. See other bidnings. > + $ref: fan-common.yaml# > + unevaluatedProperties: false > + properties: > + reg: > + description: > + The fan number used to determine the associated PWM channel. I can tell you: 0. Cannot be any other PWM channel. > + maxItems: 1 > + > + required: > + - reg > + > +required: > + - compatible > + - reg Best regards, Krzysztof
