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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20231115-humble-sleek-e401e01de5dd@squawk>
Date:   Wed, 15 Nov 2023 19:40:31 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Anshul Dalal <anshulusr@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Jonathan Cameron <jic23@...nel.org>
Subject: Re: [PATCH v2 2/3] dt-bindings: trivial-devices: add aosong,ags02ma

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@...il.com>
> >> ---
> >>
> >> 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@...il.com>
> >> +
> >> +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,

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)