Add a binding specification for the Nuvoton NCT7201/NCT7202 up to 12-bit ADCs with I2C interface. Signed-off-by: Eason Yang <j2anfernee@xxxxxxxxx> --- .../bindings/iio/adc/nuvoton,nct7201.yaml | 57 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml new file mode 100644 index 000000000000..830c37fd9f22 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/nuvoton,nct7201.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton nct7201 and similar ADCs + +maintainers: + - Eason Yang <j2anfernee@xxxxxxxxx> + +description: | + The NCT7201/NCT7202 is a Nuvoton Hardware Monitor IC, contains up to 12 voltage + monitoring channels, with SMBus interface, and up to 4 sets SMBus address + selection by ADDR connection. It also provides ALERT# signal for event + notification and reset input RSTIN# to recover it from a fault condition. + +properties: + compatible: + enum: + - nuvoton,nct7201 + - nuvoton,nct7202 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + reset-gpios: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + adc@1d { + compatible = "nuvoton,nct7202"; + reg = <0x1d>; + interrupt-parent = <&gpio3>; + interrupts = <30 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio3 28 GPIO_ACTIVE_LOW>; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 3864d473f52f..fdc4aa5c7eff 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2831,6 +2831,7 @@ L: openbmc@xxxxxxxxxxxxxxxx (moderated for non-subscribers) S: Supported F: Documentation/devicetree/bindings/*/*/*npcm* F: Documentation/devicetree/bindings/*/*npcm* +F: Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml F: Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml F: arch/arm/boot/dts/nuvoton/nuvoton-npcm* F: arch/arm/mach-npcm/ -- 2.34.1