Hi Rob, On 14.10.2024 08:38, Rob Herring wrote: > 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. > as stated in the patch message, this patch applies to linux-iio testing, where there are no errors, from my tests. Error is due to the spi-max-frequency fix already applied in iio testing, but still not where your bot is testing, proably in mainline. Regards, angelo > Rob