Re: [PATCH v8 0/5] iio: add Open Sensor Fusion IIO driver

[Kim Jinseob]

Hi Jonathan

> What this cover letter is missing is any info on maturity of the
> specification.  Is this at a stage where merging it to Linux
> makes sense, or are there still elements on the spec side that need
> to be resolved?

my intention is to preserve compatibility across firmware updates by
keeping existing message layouts, lengths and field meanings, including
units, unchanged. Incompatible changes would require a new protocol
major and corresponding driver support.

The remaining specification work is to reconcile the draft differences
on reserved fields, extensions and magnetometer units. I will document
the agreed rules and compatibility policy in a versioned specification
referenced by v10.

Thanks,

Jinseob

2026년 8월 21일 (금) 오전 11:33, Jonathan Cameron <jic23@xxxxxxxxxx>님이 작성:
>
> On Thu, 20 Aug 2026 14:06:03 +0900
> Jinseob Kim <kimjinseob88@xxxxxxxxx> wrote:
>
> > Open Sensor Fusion (OSF) is a physical sensor board that reports
> > measurements over UART.  Add a serdev driver using the generic
> > "opensensorfusion,osf" compatible.
> >
> > The compatible is intentionally independent of a board model or firmware
> > revision.  A fixed wire header carries the protocol version, while a
> > capability report discovers the available sensors and channels at runtime.
> > Supported capabilities are exposed as four IIO devices: accelerometer,
> > gyroscope, magnetometer, and temperature.
> >
>
> Sashiko has one reasonable sounding comment
> https://sashiko.dev/#/patchset/20260820050608.5440-1-kimjinseob88%40gmail.com
>
> What this cover letter is missing is any info on maturity of the
> specification.  Is this at a stage where merging it to Linux
> makes sense, or are there still elements on the spec side that need
> to be resolved?
>
> I'll take a fresh look anyway given it has been a while since
> the last version, but others may make their decisions based on that
> statement of how mature things are.
>
> Jonathan