This change documents the device tree bindings for the Nuvoton NCT7802Y driver. Signed-off-by: Oskar Senft <osk@xxxxxxxxxx> --- .../bindings/hwmon/nuvoton,nct7802.yaml | 142 ++++++++++++++++++ 1 file changed, 142 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..ff99f40034f2 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7802.yaml @@ -0,0 +1,142 @@ +# 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 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + channel@0: + type: object + description: Local Temperature Sensor ("LTD") + properties: + reg: + const: 0 + required: + - reg + + channel@1: + type: object + description: Remote Temperature Sensor or Voltage Sensor ("RTD1") + properties: + reg: + const: 1 + sensor-type: + items: + - enum: + - temperature + - voltage + temperature-mode: + items: + - enum: + - thermistor + - thermal-diode + required: + - reg + - sensor-type + + channel@2: + type: object + description: Remote Temperature Sensor or Voltage Sensor ("RTD2") + properties: + reg: + const: 2 + sensor-type: + items: + - enum: + - temperature + - voltage + temperature-mode: + items: + - enum: + - thermistor + - thermal-diode + required: + - reg + - sensor-type + + channel@3: + type: object + description: Remote Temperature Sensor or Voltage Sensor ("RTD3") + properties: + reg: + const: 3 + sensor-type: + items: + - enum: + - temperature + - voltage + required: + - reg + - sensor-type + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nct7802@28 { + compatible = "nuvoton,nct7802"; + reg = <0x28>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { /* LTD */ + reg = <0>; + status = "okay"; + }; + + channel@1 { /* RTD1 */ + reg = <1>; + status = "okay"; + sensor-type = "temperature"; + temperature-mode = "thermistor"; + }; + + channel@2 { /* RTD2 */ + reg = <2>; + status = "okay"; + sensor-type = "temperature"; + temperature-mode = "thermal-diode"; + }; + + channel@3 { /* RTD3 */ + reg = <3>; + status = "okay"; + sensor-type = "voltage"; + }; + }; + }; -- 2.33.0.882.g93a45727a2-goog
