This binding describes the NCT7362Y, a 16-channel fan/GPIO controller. Signed-off-by: Zev Weiss <zev@xxxxxxxxxxxxxxxxx> --- .../bindings/hwmon/nuvoton,nct7362.yaml | 123 ++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/nuvoton,nct7362.yaml diff --git a/Documentation/devicetree/bindings/hwmon/nuvoton,nct7362.yaml b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7362.yaml new file mode 100644 index 000000000000..630dcce7a14c --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/nuvoton,nct7362.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/nuvoton,nct7362.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NCT7362Y fan controller + +maintainers: + - Zev Weiss <zev@xxxxxxxxxxxxxxxxx> + +description: | + The Nuvoton NCT7362Y is an I2C fan controller with 16 pins that can + be independently configured for PWM, fan tach, or GPIO + functionality. Each pin's functionality is represented by a child + node. + + The datasheet is not publicly available but can be requested from + Nuvoton via their web site. + +properties: + compatible: + enum: + - nuvoton,nct7362 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + gpio-line-names: + minItems: 1 + maxItems: 16 + +patternProperties: + "^tach@([1-8]|1[0-7])$": + type: object + properties: + reg: + maxItems: 1 + description: The pin number. + + nuvoton,pulses-per-revolution: + description: | + The number of tach pulses per revolution of the fan. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + default: 2 + + required: + - reg + + "^pwm@([1-8]|1[0-7])$": + type: object + properties: + reg: + maxItems: 1 + description: The pin number. + required: + - reg + + "^gpio@([1-8]|1[0-7])$": + type: object + properties: + reg: + maxItems: 1 + description: The pin number. + required: + - reg + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + fanctl@22 { + compatible = "nuvoton,nct7362"; + gpio-controller; + #gpio-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x22>; + gpio-line-names = "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "led1", "led2"; + + tach@1 { + reg = <1>; + }; + tach@2 { + reg = <2>; + nuvoton,pulses-per-revolution = <1>; + }; + pwm@10 { + reg = <10>; + }; + pwm@11 { + reg = <11>; + }; + gpio@16 { + reg = <16>; + }; + gpio@17 { + reg = <17>; + }; + }; + }; -- 2.40.0.5.gf6e3b97ba6d2.dirty
