| Message ID | 20200123220533.2228-3-logan.shaw@alliedtelesis.co.nz (mailing list archive) |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | hwmon: (adt7475) Added attenuator bypass support | expand |
On Fri, Jan 24, 2020 at 11:05:33AM +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@alliedtelesis.co.nz> Subject: s/doccumentation/documentation/ Guenter > --- > --- > .../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 > +%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@suse.com> > + > +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 > + rephrasing. > + > +properties: > + compatible: > + enum: > + - adi,adt7473 > + - adi,adt7475 > + - adi,adt7476 > + - adi,adt7490 > + > + reg: > + maxItems: 1 > + > + bypass-attenuator-in0: > + 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. > + 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: > + 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>; > + }; > + }; > +...
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 +%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@suse.com> + +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 + rephrasing. + +properties: + compatible: + enum: + - adi,adt7473 + - adi,adt7475 + - adi,adt7476 + - adi,adt7490 + + reg: + maxItems: 1 + + bypass-attenuator-in0: + 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. + 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: + 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>; + }; + }; +...
Added a new file documenting the adt7475 devicetree and added the four new properties to it. Signed-off-by: Logan Shaw <logan.shaw@alliedtelesis.co.nz> --- --- .../devicetree/bindings/hwmon/adt7475.yaml | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/adt7475.yaml