Re: [PATCH 1/2] dt-bindings: iio: adc: Add rtq6056 adc support

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On Sat, 18 Jun 2022 18:34:40 +0100
Jonathan Cameron <jic23@xxxxxxxxxx> wrote:

> On Sat, 18 Jun 2022 19:00:19 +0200
> Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> 
> > On 18/06/2022 08:50, ChiYuan Huang wrote:  
> > > Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> 於 2022年6月18日 週六 上午9:45寫道:    
> > >>
> > >> On 17/06/2022 02:32, cy_huang wrote:    
> > >>> From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> > >>>
> > >>> Add the documentation for Richtek RTQ6056.
> > >>>
> > >>> Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> > >>> ---
> > >>>  .../bindings/iio/adc/richtek,rtq6056-adc.yaml      | 57 ++++++++++++++++++++++
> > >>>  1 file changed, 57 insertions(+)
> > >>>  create mode 100644 Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml
> > >>>
> > >>> diff --git a/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml
> > >>> new file mode 100644
> > >>> index 00000000..6b4e0e0
> > >>> --- /dev/null
> > >>> +++ b/Documentation/devicetree/bindings/iio/adc/richtek,rtq6056-adc.yaml
> > >>> @@ -0,0 +1,57 @@
> > >>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > >>> +%YAML 1.2
> > >>> +---
> > >>> +$id: http://devicetree.org/schemas/iio/adc/richtek,rtq6056-adc.yaml#
> > >>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > >>> +
> > >>> +title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
> > >>> +
> > >>> +maintainers:
> > >>> +  - ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> > >>> +
> > >>> +description: |
> > >>> +  The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
> > >>> +  interface, and the device provides full information for system by reading
> > >>> +  out the loading current and power.
> > >>> +
> > >>> +  The device monitors both of the drops across sense resistor and the BUS
> > >>> +  voltage, converts into the current in amperes, and power in watts through
> > >>> +  internal analog-to-digital converter ADC. The programmable calibration,
> > >>> +  adjustable conversion time, and averaging function are also built in for
> > >>> +  more design flexibility.
> > >>> +
> > >>> +  Datasheet is available at
> > >>> +  https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
> > >>> +
> > >>> +properties:
> > >>> +  compatible:
> > >>> +    const: richtek,rtq6056
> > >>> +
> > >>> +  reg:
> > >>> +    maxItems: 1
> > >>> +
> > >>> +  "#io-channel-cells":
> > >>> +    const: 1
> > >>> +
> > >>> +  richtek,shunt-resistor-uohm:    
> > >>
> > >> Use standard properties, so "-micro-ohms". Drop the unit from
> > >> description and drop the ref.
> > >>    
> > > Use richtek.shunt-resistor-micro-ohms?    
> > 
> > Yes.
> >   
> > > Or the prefix 'richtek,' can be removed?    
> > 
> > No, the vendor prefix must stay.  
> 
> It's a standard generic binding used in a bunch of IIO and hwmon
> drivers without vendor prefix.  Mind you I can't find a definition

by which I meant to say "bindings" not drivers :)

> in any of the top level binding files.  Probably wants to be in
> adc.yaml for IIO.
> 
> Jonathan
> 
>  
> > 
> > Best regards,
> > Krzysztof  
> 





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