linux-kernel - Re: [PATCH v2 2/2] dt-bindings: iio: magnetometer: document Infineon TLV493D 3D Magnetic sensor

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Message-ID: <aJAeoI4Iz_U06Wmo@dixit>
Date: Mon, 4 Aug 2025 08:14:48 +0530
From: Dixit Parmar <dixitparmar19@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/2] dt-bindings: iio: magnetometer: document Infineon
 TLV493D 3D Magnetic sensor

On Sat, Aug 02, 2025 at 09:45:29AM +0200, Krzysztof Kozlowski wrote:
> On 02/08/2025 08:44, Dixit Parmar wrote:
> > Document the bindings for Infineon TLV493D Low-Power 3D Magnetic Sensor
> > controlled by I2C interface. Main applications includes joysticks, control
> > elements (white goods, multifunction knops), or electric meters (anti-
> > tampering).
> > Drop duplicated entry for infineon,tlv493d from trivial-devices.yaml as
> > its documented in infineon,tlv493d.yaml now.
> > 
> > Datasheet: https://www.infineon.com/assets/row/public/documents/24/49/infineon-tlv493d-a1b6-datasheet-en.pdf
> > Signed-off-by: Dixit Parmar <dixitparmar19@...il.com>
> > ---
> >  .../iio/magnetometer/infineon,tlv493d.yaml         | 45 ++++++++++++++++++++++
> >  .../devicetree/bindings/trivial-devices.yaml       |  2 -
> >  2 files changed, 45 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/iio/magnetometer/infineon,tlv493d.yaml b/Documentation/devicetree/bindings/iio/magnetometer/infineon,tlv493d.yaml
> > new file mode 100644
> > index 000000000000..ebcf29067a16
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/iio/magnetometer/infineon,tlv493d.yaml
> 
> 
> Filename should match compatible. Otherwise a1b6 is just confusing.
>
Idea behind having a1b6 is that the TLV493D is sensor series and this
a1b6 is one of the models. As this driver is intended, developed and
validated on a1b6 I kept it in compatible, though the file name contains
only the sensor series. In my undertanding, this same file & driver can
be reused for other drivers from same family with new compatible fields.
Does that make sense?
> Best regards,
> Krzysztof