Dear Conor Dooley, Thank you for your response. NCT7201 supports 8 voltage monitor inputs while NCT7202 supports 12 voltage monitor inputs. NCT7201 and NCT7202 provide SMBus to access the internal register, and support SMBus byte write and byte/word read protocols. Conor Dooley <conor@xxxxxxxxxx> 於 2024年11月7日 週四 上午12:13寫道: > > On Wed, Nov 06, 2024 at 11:58:06AM +0700, Chanh Nguyen wrote: > > > > > > On 06/11/2024 09:39, Eason Yang wrote: > > > This adds a binding specification for the Nuvoton NCT7201/NCT7202 > > > family of ADCs. > > > > > > Signed-off-by: Eason Yang <j2anfernee@xxxxxxxxx> > > > --- > > > .../bindings/iio/adc/nuvoton,nct720x.yaml | 47 +++++++++++++++++++ > > > MAINTAINERS | 1 + > > > 2 files changed, 48 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml > > > > > > diff --git a/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml > > > new file mode 100644 > > > index 000000000000..3052039af10e > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/iio/adc/nuvoton,nct720x.yaml > > > @@ -0,0 +1,47 @@ > > > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > > > +%YAML 1.2 > > > +--- > > > +$id: http://devicetree.org/schemas/iio/adc/nuvoton,nct720x.yaml# > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > + > > > +title: Nuvoton nct7202 and similar ADCs > > > + > > > +maintainers: > > > + - Eason Yang <yhyang2@xxxxxxxxxxx> > > > + > > > +description: | > > > + Family of ADCs with i2c interface. > > > + > > > +properties: > > > + compatible: > > > + enum: > > > + - nuvoton,nct7201 > > > + - nuvoton,nct7202 > > > + > > > + reg: > > > + maxItems: 1 > > > + > > > + read-vin-data-size: > > > > Is it generic property or vendor property? I tried to find in the > > https://github.com/torvalds/linux/tree/master/Documentation/devicetree/bindings > > , but it seems this property hasn't been used on other devices. > > > > If it is vendor property, then I think it should include a vendor prefix. > > For examples: > > > > https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/iio/adc/adi%2Cad7780.yaml#L50 > > https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/iio/adc/fsl%2Cvf610-adc.yaml#L42 > > https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/iio/adc/st%2Cstmpe-adc.yaml#L22 > > An explanation of why it cannot be determined from the compatible would > also be good. Two compatibles and two values makes me a little > suspicious!