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dt-bindings: iio: adc: ad4080: add AD4884 support

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Add AD4884 compatible string to the AD4080 devicetree binding.

The AD4884 is a dual-channel, 16-bit, 40 MSPS SAR ADC, sharing the same
register map and interface as the AD4080 family. Like the AD4880, it
requires two SPI chip selects and two io-backends for its independent
ADC channels. The AD4884 differs from the AD4880 in resolution (16-bit
vs 20-bit), which requires distinct channel configuration in the driver,
precluding a fallback compatible.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Antoniu Miclaus 2026-05-29 17:13:52 +03:00 committed by Jonathan Cameron
parent 40d7dc96cf
commit 4bff2ca299
1 changed files with 4 additions and 1 deletions
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5
Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml
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@ -39,6 +39,7 @@ properties:
- adi,ad4087
- adi,ad4088
- adi,ad4880
- adi,ad4884
reg:
minItems: 1
@ -99,7 +100,9 @@ allOf:
properties:
compatible:
contains:
const: adi,ad4880
enum:
- adi,ad4880
- adi,ad4884
then:
properties:
reg: