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Diffstat (limited to 'Bindings/hwmon/adi,max31827.yaml')
-rw-r--r-- | Bindings/hwmon/adi,max31827.yaml | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/Bindings/hwmon/adi,max31827.yaml b/Bindings/hwmon/adi,max31827.yaml new file mode 100644 index 00000000000..f60e06ab7d0 --- /dev/null +++ b/Bindings/hwmon/adi,max31827.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/adi,max31827.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices MAX31827, MAX31828, MAX31829 Low-Power Temperature Switch + +maintainers: + - Daniel Matyas <daniel.matyas@analog.com> + +description: | + Analog Devices MAX31827, MAX31828, MAX31829 Low-Power Temperature Switch with + I2C Interface + https://www.analog.com/media/en/technical-documentation/data-sheets/MAX31827-MAX31829.pdf + +properties: + compatible: + oneOf: + - const: adi,max31827 + - items: + - enum: + - adi,max31828 + - adi,max31829 + - const: adi,max31827 + + reg: + maxItems: 1 + + vref-supply: + description: + Must have values in the interval (1.6V; 3.6V) in order for the device to + function correctly. + + adi,comp-int: + description: + If present interrupt mode is used. If not present comparator mode is used + (default). + type: boolean + + adi,alarm-pol: + description: + Sets the alarms active state. + - 0 = active low + - 1 = active high + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + + adi,fault-q: + description: + Select how many consecutive temperature faults must occur before + overtemperature or undertemperature faults are indicated in the + corresponding status bits. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [1, 2, 4, 8] + + adi,timeout-enable: + description: + Enables timeout. Bus timeout resets the I2C-compatible interface when SCL + is low for more than 30ms (nominal). + type: boolean + +allOf: + - if: + properties: + compatible: + contains: + const: adi,max31829 + + then: + properties: + adi,alarm-pol: + default: 1 + + else: + properties: + adi,alarm-pol: + default: 0 + + - if: + properties: + compatible: + contains: + const: adi,max31827 + + then: + properties: + adi,fault-q: + default: 1 + + else: + properties: + adi,fault-q: + default: 4 + + +required: + - compatible + - reg + - vref-supply + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + temperature-sensor@42 { + compatible = "adi,max31827"; + reg = <0x42>; + vref-supply = <®_vdd>; + adi,comp-int; + adi,alarm-pol = <0>; + adi,fault-q = <1>; + adi,timeout-enable; + }; + }; +... |