Re: [PATCH 0/4] iio: adc: ade9000: add support for ADE9039

From: Nuno Sá

Date: Tue Oct 13 2026 - 06:00:25 EST


On Mon, Oct 12, 2026 at 02:13:36PM +0300, Antoniu Miclaus wrote:
> Add support for the ADE9039, a polyphase energy monitoring device in the
> ADE9000 family. It is register compatible with the ADE9000 for every
> register the driver touches. The differences that matter here are:
>
> - full-scale codes match the ADE9078, not the ADE9000;
> - dip/swell detection and the digital integrator are both present;
> - there is no total reactive power: no AVAR at 0x211, no AVAROS at
> 0x010, only the fundamental AFVAR and AFVAROS;
> - maximum SPI clock is 10 MHz, as on the ADE9078.
>
> It is the first part needing dip/swell present together with total
> reactive power absent, which the channel-array macro could not express.
> Patch 1 adds a second selector argument for the reactive power entry; it
> is a no-op for the existing parts, with the preprocessed ade9000_channels
> and ade9078_channels tables byte identical before and after.
>
> The missing total reactive power channel is omitted rather than
> repointed at AFVAR, which would make in_power[0-2]_reactive_raw mean
> total power on the ADE9000 and fundamental power on the ADE9039 with no
> IIO modifier to tell them apart. The fundamental reactive energy
> channels are unaffected.
>
> Patch 4 also clears three stray characters left in the ade9000.rst
> introduction by the ADE9430 merge resolution. Happy to split that out.
>
> Antoniu Miclaus (4):
> iio: adc: ade9000: parameterise the reactive power channel
> dt-bindings: iio: adc: adi,ade9000: add adi,ade9039 compatible
> iio: adc: ade9000: add support for ADE9039
> docs: iio: ade9000: document ADE9039 support
>
> .../bindings/iio/adc/adi,ade9000.yaml | 29 ++++++++------
> Documentation/iio/ade9000.rst | 24 +++++++-----
> drivers/iio/adc/Kconfig | 1 +
> drivers/iio/adc/ade9000.c | 39 ++++++++++++++++---
> 4 files changed, 66 insertions(+), 27 deletions(-)
>
>
> base-commit: a22dc7ebb21a6bd4c8b63bc2c1dd46a24945aae7
> --
> 2.43.0
>

Don't love the power_reactive handling in terms of readability but
fine...

Reviewed-by: Nuno Sá <nuno.sa@xxxxxxxxxx>