On Mon, Jan 27, 2020 at 11:10:14AM +1300, Logan Shaw wrote: > Added a new file documenting the adt7475 devicetree and added the four > new properties to it. > > Signed-off-by: Logan Shaw <logan.shaw@xxxxxxxxxxxxxxxxxxx> > --- > --- > .../devicetree/bindings/hwmon/adt7475.yaml | 95 +++++++++++++++++++ > 1 file changed, 95 insertions(+) > create mode 100644 Documentation/devicetree/bindings/hwmon/adt7475.yaml > > diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml > new file mode 100644 > index 000000000000..450da5e66e07 > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml > @@ -0,0 +1,95 @@ > +# SPDX-License-Identifier: GPL-2.0 Dual license new bindings please: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/adt7475.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ADT7475 hwmon sensor > + > +maintainers: > + - Jean Delvare <jdelvare@xxxxxxxx> > + > +description: | > + The ADT7473, ADT7475, ADT7476, and ADT7490 are thermal monitors and multiple > + PWN fan controllers. > + > + They support monitoring and controlling up to four fans (the ADT7490 can only > + control up to three). They support reading a single on chip temperature > + sensor and two off chip temperature sensors (the ADT7490 additionally > + supports measuring up to three current external temperature sensors with > + series resistance cancellation (SRC)). > + > + Datasheets: > + https://www.onsemi.com/pub/Collateral/ADT7473-D.PDF > + https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF > + https://www.onsemi.com/pub/Collateral/ADT7476-D.PDF > + https://www.onsemi.com/pub/Collateral/ADT7490-D.PDF > + > + Description taken from omsemiconductors specification sheets, with minor omsemi? ^ > + rephrasing. > + > +properties: > + compatible: > + enum: > + - adi,adt7473 > + - adi,adt7475 > + - adi,adt7476 > + - adi,adt7490 > + > + reg: > + maxItems: 1 > + > + bypass-attenuator-in0: Needs a vendor prefix and a type ref. > + description: | > + Configures bypassing the individual voltage input > + attenuator, on in0. This is supported on the ADT7476 and ADT7490. > + If set to a non-zero integer the attenuator is bypassed, if set to > + zero the attenuator is not bypassed. If the property is absent then > + the config register is not modified. Sounds like this could be boolean? If not, define a schema for what are valid values. > + maxItems: 1 > + > + bypass-attenuator-in1: > + description: | > + Configures bypassing the individual voltage input > + attenuator, on in1. This is supported on the ADT7473, ADT7475, > + ADT7476 and ADT7490. If set to a non-zero integer the attenuator > + is bypassed, if set to zero the attenuator is not bypassed. If the > + property is absent then the config register is not modified. > + maxItems: 1 > + > + bypass-attenuator-in3: > + description: | > + Configures bypassing the individual voltage input > + attenuator, on in3. This is supported on the ADT7476 and ADT7490. > + If set to a non-zero integer the attenuator is bypassed, if set to > + zero the attenuator is not bypassed. If the property is absent then > + the config register is not modified. > + maxItems: 1 > + > + bypass-attenuator-in4: These 4 could be a single entry under patternProperties. > + description: | > + Configures bypassing the individual voltage input > + attenuator, on in4. This is supported on the ADT7476 and ADT7490. > + If set to a non-zero integer the attenuator is bypassed, if set to > + zero the attenuator is not bypassed. If the property is absent then > + the config register is not modified. > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + hwmon@2e { > + compatible = "adi,adt7476"; > + reg = <0x2e>; > + bypass-attenuator-in0 = <1>; > + bypass-attenuator-in1 = <0>; > + }; > + }; > +... > -- > 2.25.0 >
