Re: [PATCH v5 0/3] iio: adc: ltc2309: add support driver for ltc2305

From: Kyle Hsieh

Date: Thu Mar 26 2026 - 21:32:31 EST


On Thu, Mar 26, 2026 at 3:50 AM Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
>
> On Wed, 25 Mar 2026 10:24:19 +0800
> Kyle Hsieh <kylehsieh1995@xxxxxxxxx> wrote:
>
> > The series add support for ltc2305 controller from
> > Linear Technology Corporation(lltc).
> > This is low noise, low power, 2 channels 12-bit successive
> > approximation ADCs.
> >
> > Signed-off-by: Kyle Hsieh <kylehsieh1995@xxxxxxxxx>
> Applied to the togreg branch of iio.git.
>
> To hussle things along a touch I skipped the normal pushing
> it out as testing first (what could possibly go wrong ;)
>
> Jonathan
Hi Jonathan,

I'm glad to see this series moving forward.
Thanks for your help!

Best regards,
Kyle
>
> > ---
> > Changes in v5:
> > - Split the patch series to refactor LTC2309 channel enums first.
> > - Explicitly assign hex values to channel enums based on datasheet.
> > - Add support for LTC2305 on top of the refactored driver.
> > - Link to v4: https://lore.kernel.org/r/20260311-add_ltc2305_driver-v4-0-bc350d347f33@xxxxxxxxx
> >
> > Changes in v4:
> > - Fix build warning in ltc2309_probe(): initialize 'chip_info'.
> > - Link to v3: https://lore.kernel.org/r/20260126-add_ltc2305_driver-v3-0-951349a87f97@xxxxxxxxx
> >
> > Changes in v3:
> > - Modify ltc2305 channel mask to compatible ltc2309.
> > - Link to v2: https://lore.kernel.org/r/20251224-add_ltc2305_driver-v2-0-061f78cf45a3@xxxxxxxxx
> >
> > Changes in v2:
> > - Reordered chip descriptions and code from low to high order.
> > - Renamed chip info structure to use ltc2309 driver prefix.
> > - Switched to i2c_get_match_data().
> > - Removed unused variables.
> > - Added chip info to i2c_device_id table.
> > - Link to v1: https://lore.kernel.org/r/20251223-add_ltc2305_driver-v1-0-dfa0827fd620@xxxxxxxxx
> >
> > ---
> > Kyle Hsieh (3):
> > dt-bindings: adc: ltc2497: add support for ltc2305
> > iio: adc: ltc2309: explicitly assign hex values to channel enums
> > iio: adc: ltc2309: add support for ltc2305
> >
> > .../devicetree/bindings/iio/adc/lltc,ltc2497.yaml | 7 ++
> > drivers/iio/adc/ltc2309.c | 81 ++++++++++++++++------
> > 2 files changed, 67 insertions(+), 21 deletions(-)
> > ---
> > base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578
> > change-id: 20251223-add_ltc2305_driver-728fa9161bc7
> >
> > Best regards,
>