Re: [PATCH v6 2/8] dt-bindings: iio: dac: adi-axi-dac: add ad3552r axi variant

From: Rob Herring
Date: Mon Oct 14 2024 - 09:38:36 EST


On Mon, Oct 14, 2024 at 06:21:02AM -0500, Rob Herring (Arm) wrote:
>
> On Mon, 14 Oct 2024 12:08:08 +0200, Angelo Dureghello wrote:
> > From: Angelo Dureghello <adureghello@xxxxxxxxxxxx>
> >
> > 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@xxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/iio/dac/adi,axi-dac.yaml | 56 ++++++++++++++++++++--
> > 1 file changed, 53 insertions(+), 3 deletions(-)
> >
>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> yamllint warnings/errors:
>
> dtschema/dtc warnings/errors:
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/iio/dac/adi,axi-dac.example.dtb: dac@0: spi-max-frequency: 66000000 is greater than the maximum of 30000000
> from schema $id: http://devicetree.org/schemas/iio/dac/adi,ad3552r.yaml#

This is at least the third time this issue has been reported. Don't send
more versions until you fix it.

Rob