linux-kernel - Re: [PATCH v8 2/8] dt-bindings: iio: dac: adi-axi-dac: add ad3552r axi variant

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Message-ID: <173006885725.180935.8471883394882688009.robh@kernel.org>
Date: Sun, 27 Oct 2024 17:40:57 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Angelo Dureghello <adureghello@...libre.com>
Cc: Olivier Moysan <olivier.moysan@...s.st.com>,
	linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>,
	dlechner@...libre.com, Lars-Peter Clausen <lars@...afoo.de>,
	Jonathan Cameron <jic23@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Nuno Sá <nuno.sa@...log.com>
Subject: Re: [PATCH v8 2/8] dt-bindings: iio: dac: adi-axi-dac: add ad3552r
 axi variant


On Fri, 25 Oct 2024 11:49:35 +0200, Angelo Dureghello wrote:
> From: Angelo Dureghello <adureghello@...libre.com>
> 
> Add a new compatible and related bindigns for the fpga-based
> "ad3552r" AXI IP core, a variant of the generic AXI DAC IP.
> 
> The AXI "ad3552r" IP is a very similar HDL (fpga) variant of the
> generic AXI "DAC" IP, intended to control ad3552r and similar chips,
> mainly to reach high speed transfer rates using a QSPI DDR
> (dobule-data-rate) interface.
> 
> The ad3552r device is defined as a child of the AXI DAC, that in
> this case is acting as an SPI controller.
> 
> Note, #io-backend is present because it is possible (in theory anyway)
> to use a separate controller for the control path than that used
> for the datapath.
> 
> Signed-off-by: Angelo Dureghello <adureghello@...libre.com>
> ---
>  .../devicetree/bindings/iio/dac/adi,axi-dac.yaml   | 69 +++++++++++++++++++++-
>  1 file changed, 66 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>