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authorKyle Hsieh <kylehsieh1995@gmail.com>2026-03-25 10:24:20 +0800
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2026-03-25 19:48:45 +0000
commit732df35bbb94c06099cf8c64076233347b278516 (patch)
treece62ad6a9515174b797025ca0c21ceb9ff51ec3e
parent2f5bdca14ce88dd78998699ab25d129b9b3bc200 (diff)
dt-bindings: adc: ltc2497: add support for ltc2305
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>
-rw-r--r--Documentation/devicetree/bindings/iio/adc/lltc,ltc2497.yaml7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/lltc,ltc2497.yaml b/Documentation/devicetree/bindings/iio/adc/lltc,ltc2497.yaml
index 5cc6a9684077..c884b6e03767 100644
--- a/Documentation/devicetree/bindings/iio/adc/lltc,ltc2497.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/lltc,ltc2497.yaml
@@ -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