Re: [PATCH v3 2/3] dt-bindings: iio: dac: ltc2632: add LTC2654 compatible strings
From: Conor Dooley
Date: Fri Mar 20 2026 - 13:25:44 EST
On Fri, Mar 20, 2026 at 04:09:47PM +0100, David Marinović wrote:
> From: David Marinovic <david.marinovic@xxxxxxxx>
>
> 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.
>
> Changes added for:
> - lltc,ltc2654-l16: 16-bit, 2.5V internal reference
> - lltc,ltc2654-l12: 12-bit, 2.5V internal reference (fallback to lltc,ltc2634-l12)
> - lltc,ltc2654-h16: 16-bit, 4.096V internal reference
> - lltc,ltc2654-h12: 12-bit, 4.096V internal reference (fallback to lltc,ltc2634-h12)
No idea what this section is doing, could probably cull it if there's
another version.
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
pw-bot: not-applicable
btw, please don't send new versions in reply to old ones, can cause you
to get buried in people's mailboxes.
Cheers,
Conor.
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