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dt-bindings: iio: dac: ltc2632: add LTC2654 compatible strings

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Add compatible strings for the LTC2654 quad-channel DAC family.

The LTC2654 devices are 4-channel, 16-/12-bit DACs with an internal
reference and SPI interface. They use the same 24-bit SPI command
format as the LTC2632/2634/2636 family.

The 16-bit variants (LTC2654-L16 and LTC2654-H16) require new
compatible strings, as no existing compatibles support 16-bit
resolution.

The 12-bit variants (LTC2654-L12 and LTC2654-H12) are register-
compatible with LTC2634-L12 and LTC2634-H12 respectively, and can
use them as fallback compatibles.

Signed-off-by: David Marinovic <david.marinovic@pupin.rs>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Marinovic 2026-03-20 16:09:47 +01:00 committed by Jonathan Cameron
parent 19045d89e4
commit 9e5e2c58da
1 changed files with 35 additions and 22 deletions
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57
Documentation/devicetree/bindings/iio/dac/lltc,ltc2632.yaml
View File

@ -4,36 +4,49 @@
$id: http://devicetree.org/schemas/iio/dac/lltc,ltc2632.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC
title: Linear Technology LTC263x and LTC2654 Rail-to-Rail DAC
maintainers:
- Michael Hennerich <michael.hennerich@analog.com>
description: |
Bindings for the Linear Technology LTC2632/2634/2636 DAC
Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf
Bindings for the Linear Technology LTC2632/2634/2636/2654 DAC
Datasheet can be found here:
https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf
https://www.analog.com/media/en/technical-documentation/data-sheets/2654f.pdf
properties:
compatible:
enum:
- lltc,ltc2632-l12
- lltc,ltc2632-l10
- lltc,ltc2632-l8
- lltc,ltc2632-h12
- lltc,ltc2632-h10
- lltc,ltc2632-h8
- lltc,ltc2634-l12
- lltc,ltc2634-l10
- lltc,ltc2634-l8
- lltc,ltc2634-h12
- lltc,ltc2634-h10
- lltc,ltc2634-h8
- lltc,ltc2636-l12
- lltc,ltc2636-l10
- lltc,ltc2636-l8
- lltc,ltc2636-h12
- lltc,ltc2636-h10
- lltc,ltc2636-h8
oneOf:
- enum:
- lltc,ltc2632-l12
- lltc,ltc2632-l10
- lltc,ltc2632-l8
- lltc,ltc2632-h12
- lltc,ltc2632-h10
- lltc,ltc2632-h8
- lltc,ltc2634-l12
- lltc,ltc2634-l10
- lltc,ltc2634-l8
- lltc,ltc2634-h12
- lltc,ltc2634-h10
- lltc,ltc2634-h8
- lltc,ltc2636-l12
- lltc,ltc2636-l10
- lltc,ltc2636-l8
- lltc,ltc2636-h12
- lltc,ltc2636-h10
- lltc,ltc2636-h8
- lltc,ltc2654-l16
- lltc,ltc2654-h16
- items:
- enum:
- lltc,ltc2654-l12
- const: lltc,ltc2634-l12
- items:
- enum:
- lltc,ltc2654-h12
- const: lltc,ltc2634-h12
reg:
maxItems: 1