Document bindings for the Nuvoton NCT7802Y driver. Signed-off-by: Oskar Senft <osk@xxxxxxxxxx> --- .../bindings/hwmon/nuvoton,nct7802.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml diff --git a/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml new file mode 100644 index 000000000000..7512acbc9d1a --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/hwmon/nuvoton,nct7802.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NCT7802Y Hardware Monitoring IC + +maintainers: + - Guenter Roeck <linux@xxxxxxxxxxxx> + +description: | + The NCT7802Y is a hardware monitor IC which supports one on-die and up to + 5 remote temperature sensors with SMBus interface. + + Datasheets: + https://www.nuvoton.com/export/resource-files/Nuvoton_NCT7802Y_Datasheet_V12.pdf + +properties: + compatible: + enum: + - nuvoton,nct7802 + + reg: + maxItems: 1 + + temperature-sensors: + type: object + description: + | + Configuration for temperature sensors. If temperature-sensors + is not provided at all, the internal temperature sensor will be + enabled. If temperature-sensors is provided, only the listed + sensors will be configured as specified. The runtime configuration + for un-listed sensors will not be touched in the chip. This allows + sensors to be configured at power-up time from an EEPROM connected + to the chip and at the sime time allows to override these settings + using device tree configuration. + + properties: + ltd: + type: object + description: Internal Temperature Sensor ("LTD") + + rtd3: + type: object + description: + | + Remote Temperature Sensor ("RTD3"). This sensor only supports + thermistor mode. + + patternProperties: + "^rtd[1-2]$": + type: object + description: Remote Temperature Sensor ("RTDx") + properties: + "type": + description: Sensor type (3=thermal diode, 4=thermistor). + allOf: + - $ref: "http://devicetree.org/schemas/types.yaml#/definitions/uint32" + - items: + - enum: [ 3, 4 ] + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nct7802@28 { + compatible = "nuvoton,nct7802"; + reg = <0x28>; + + temperature-sensors { + ltd { + status = "disabled"; + }; + + rtd1 { + status = "okay"; + type = <4> /* thermistor */; + }; + }; + }; + }; -- 2.33.0.464.g1972c5931b-goog