diff options
| author | Eason Yang <j2anfernee@gmail.com> | 2025-05-12 16:31:55 +0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-05-21 14:22:32 +0100 |
| commit | c8c2db399758427a42747d89e220a7d5b7b55bfb (patch) | |
| tree | 297851b0467d3139ef567382a5bdb5e8a57fc335 | |
| parent | d524b3e0efa01db32f43957e58b4251c1eb48a5f (diff) | |
dt-bindings: iio: adc: add NCT7201 ADCs
Add a binding specification for the Nuvoton NCT7201/NCT7202 up to 12-bit
ADCs with I2C interface.
Signed-off-by: Eason Yang <j2anfernee@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250512083156.3300006-2-j2anfernee@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml | 70 | ||||
| -rw-r--r-- | MAINTAINERS | 6 |
2 files changed, 76 insertions, 0 deletions
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..8ce7d415d956 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml @@ -0,0 +1,70 @@ +# 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@gmail.com> + +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. + + NCT7201 contains 8 voltage monitor inputs (VIN1~VIN8). + NCT7202 contains 12 voltage monitor inputs (VIN1~VIN12). + +properties: + compatible: + enum: + - nuvoton,nct7201 + - nuvoton,nct7202 + + reg: + maxItems: 1 + + vdd-supply: + description: + A 3.3V to supply that powers the chip. + + vref-supply: + description: + The regulator supply for the ADC reference voltage. + + 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>; + vdd-supply = <&vdd>; + vref-supply = <&vref>; + interrupt-parent = <&gpio3>; + interrupts = <30 IRQ_TYPE_LEVEL_LOW>; + reset-gpios = <&gpio3 28 GPIO_ACTIVE_LOW>; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index a7e8ab43c067..bb8b5dd333b1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17336,6 +17336,12 @@ F: drivers/nubus/ F: include/linux/nubus.h F: include/uapi/linux/nubus.h +NUVOTON NCT7201 IIO DRIVER +M: Eason Yang <j2anfernee@gmail.com> +L: linux-iio@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/iio/adc/nuvoton,nct7201.yaml + NVIDIA (rivafb and nvidiafb) FRAMEBUFFER DRIVER M: Antonino Daplas <adaplas@gmail.com> L: linux-fbdev@vger.kernel.org |