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dt-bindings: adc: ltc2497: add support for ltc2305

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Add documentation for the 2-channel LTC2305 ADC in the
existing ltc2497 binding.
This enables automatic device tree matching for LTC2305
while using the LTC2309 driver (drivers/iio/adc/ltc2309.c),
since both ADCs share the same I2C interface and 12-bit SAR architecture.
The main difference is the number of channels (LTC2305: 2, LTC2309: 8).

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Kyle Hsieh <kylehsieh1995@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Kyle Hsieh 2026-03-25 10:24:20 +08:00 committed by Jonathan Cameron
parent 2f5bdca14c
commit 732df35bbb
1 changed files with 7 additions and 0 deletions
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7
Documentation/devicetree/bindings/iio/adc/lltc,ltc2497.yaml
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@ -11,6 +11,12 @@ maintainers:
- Liam Beguin <liambeguin@gmail.com>
description: |
LTC2305:
low noise, low power, 2-channel, 12-bit successive approximation ADC with an
I2C compatible serial interface.
https://www.analog.com/media/en/technical-documentation/data-sheets/23015fb.pdf
LTC2309:
low noise, low power, 8-channel, 12-bit successive approximation ADC with an
I2C compatible serial interface.
@ -28,6 +34,7 @@ description: |
properties:
compatible:
enum:
- lltc,ltc2305
- lltc,ltc2309
- lltc,ltc2497
- lltc,ltc2499