Re: [PATCH v3 6/6] Documentation: ABI: testing: add common ABI file for iio/frequency

[Jonathan Cameron <jic23@kernel.org>]

On Thu, 08 Jan 2026 12:14:55 +0000
Rodrigo Alencar via B4 Relay <devnull+rodrigo.alencar.analog.com@kernel.org> wrote:

> From: Rodrigo Alencar <rodrigo.alencar@analog.com>
> 
> Add ABI documentation file for PLL/DDS devices with frequency_resolution
> sysfs entry attribute used by ADF4350 and ADF41513
> 
> Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Both docs patches LGTM. thanks,

J
> ---
>  Documentation/ABI/testing/sysfs-bus-iio-frequency | 11 +++++++++++
>  MAINTAINERS                                       |  1 +
>  2 files changed, 12 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-bus-iio-frequency b/Documentation/ABI/testing/sysfs-bus-iio-frequency
> new file mode 100644
> index 000000000000..1ce8ae578fd6
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-bus-iio-frequency
> @@ -0,0 +1,11 @@
> +What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency_resolution
> +KernelVersion:	6.20
> +Contact:	linux-iio@vger.kernel.org
> +Description:
> +		Stores channel Y frequency resolution/channel spacing in Hz for PLL
> +		devices. The given value directly influences the operating mode when
> +		fractional-N synthesis is required, as it derives values for
> +		configurable modulus parameters used in the calculation of the output
> +		frequency. It is assumed that the algorithm that is used to compute
> +		the various dividers, is able to generate proper values for multiples
> +		of channel spacing.
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 3bb7d9fe7ed8..f0dc0e7c1bbc 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1615,6 +1615,7 @@ M:	Rodrigo Alencar <rodrigo.alencar@analog.com>
>  L:	linux-iio@vger.kernel.org
>  S:	Supported
>  W:	https://ez.analog.com/linux-software-drivers
> +F:	Documentation/ABI/testing/sysfs-bus-iio-frequency
>  F:	Documentation/devicetree/bindings/iio/frequency/adi,adf41513.yaml
>  F:	Documentation/iio/adf41513.rst
>  F:	drivers/iio/frequency/adf41513.c
>