Re: [PATCH v2 2/3] dt-bindings: trivial-devices: add aosong,ags02ma

From: Conor Dooley
Date: Wed Nov 15 2023 - 15:42:40 EST


On Wed, Nov 15, 2023 at 09:29:20PM +0530, Anshul Dalal wrote:
> On 11/15/23 20:08, Conor Dooley wrote:
> > On Wed, Nov 15, 2023 at 06:28:07PM +0530, Anshul Dalal wrote:
> >> Add bindings for Aosong AGS02MA TVOC sensor.
> >>
> >> The sensor communicates over i2c with the default address 0x1a.
> >> TVOC values can be read in the units of ppb and ug/m^3 at register 0x00.
> >>
> >> Datasheet:
> >> https://asairsensors.com/wp-content/uploads/2021/09/AGS02MA.pdf
> >> Product-Page:
> >> http://www.aosong.com/m/en/products-33.html
> >>
> >> Signed-off-by: Anshul Dalal <anshulusr@xxxxxxxxx>
> >> ---
> >>
> >> Changes for v2:
> >> - Removed device from trivial-devices
> >
> > Your $subject still says "trivial-devices" though, so please fix that in
> > your next submission.
> >
> >> - Added standalone binding with vdd-supply property
> >> ---
> >> .../bindings/iio/chemical/aosong,ags02ma.yaml | 48 +++++++++++++++++++
> >> 1 file changed, 48 insertions(+)
> >> create mode 100644 Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml
> >>
> >> diff --git a/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml b/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml
> >> new file mode 100644
> >> index 000000000000..4a0278c6318c
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml
> >> @@ -0,0 +1,48 @@
> >> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/iio/chemical/aosong,ags02ma.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Aosong AGS02MA VOC Sensor
> >> +
> >> +description: |
> >> + AGS02MA is an TVOC (Total Volatile Organic Compounds) i2c sensor with default
> >> + address of 0x1a.
> >> +
> >> + Datasheet:
> >> + https://asairsensors.com/wp-content/uploads/2021/09/AGS02MA.pdf
> >> +
> >> +maintainers:
> >> + - Anshul Dalal <anshulusr@xxxxxxxxx>
> >> +
> >> +properties:
> >> + compatible:
> >> + enum:
> >> + - aosong,ags02ma
> >> + - asair,ags02ma
> >
> > Why do you have two compatibles for the same device? Please document and
> > use only one of these. The aoson website says:
> > "Guangzhou ASAIR Electronic Co., Ltd"
>
> I'm sorry but I couldn't find any reference to such name on
> http://www.aosong.com/en/
> In the contact page (http://www.aosong.com/en/article-34.html),
> I could only find references to "Guangzhou Aosong Electronic Co., Ltd."

On the page you linked in your original submission:
www.aosong.com/m/en/products-33.html
(scroll down)

> > so I suspect "asair" is a more apt vendor prefix.
> >
>
> Asair is the brand name under which Guangzhou Aosong Electronics sells
> their products [0]. After a prior discussion with Krzysztof [1], I
> thought it would be the best to go with Aosong instead.
>
> The rationale being since a vendor can only have a single prefix, if
> Aosong were to sell some new product under the name Aosong, it would
> then have to have the same vendor-prefix as other products under the
> Asair brand.

Go with Aosong then, sure. But please drop the "asair" prefixed
compatible from your binding.

Cheers,
Conor,

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