On Tue, Dec 7, 2021 at 7:52 AM Alexandre TORGUE <alexandre.torgue@xxxxxxxxxxx> wrote: > > Hi Rob > > On 12/1/21 11:34 PM, Rob Herring wrote: > > On Fri, Nov 26, 2021 at 11:25:27AM +0100, Olivier MOYSAN wrote: > >> Hi Rob, > >> > >> On 11/25/21 10:26 PM, Rob Herring wrote: > >>> On Thu, 25 Nov 2021 15:40:50 +0100, Olivier Moysan wrote: > >>>> The STM2 I2S DAI can be connected via the audio-graph-card. > >>>> Add port entry into the bindings. > >>>> > >>>> Signed-off-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx> > >>>> --- > >>>> Documentation/devicetree/bindings/sound/st,stm32-i2s.yaml | 5 +++++ > >>>> 1 file changed, 5 insertions(+) > >>>> > >>> > >>> Running 'make dtbs_check' with the schema in this patch gives the > >>> following warnings. Consider if they are expected or the schema is > >>> incorrect. These may not be new warnings. > >>> > >>> Note that it is not yet a requirement to have 0 warnings for dtbs_check. > >>> This will change in the future. > >>> > >>> Full log is available here: https://patchwork.ozlabs.org/patch/1559750 > >>> > >>> > >>> audio-controller@4000b000: 'port' does not match any of the regexes: '^port@[0-9]', 'pinctrl-[0-9]+' > >>> arch/arm/boot/dts/stm32mp157a-dk1.dt.yaml > >>> arch/arm/boot/dts/stm32mp157c-dk2.dt.yaml > >>> > >> > >> This warning is not a new one. > >> > >> The i2s2 node in stm32mp15xx-dkx.dtsi would require the following binding: > >> port: > >> $ref: audio-graph-port.yaml# > >> unevaluatedProperties: false > >> > >> However the spi binding requires to introduce a unit address: > >> patternProperties: > >> '^port@[0-9]': > >> $ref: audio-graph-port.yaml# > >> unevaluatedProperties: false > >> > >> The warning can be removed by re-ordering the bindings patches in the serie, > >> as "additionalProperties: true" makes the check more tolerant on extra > >> properties. > > > > That's never right. > > > >> The patch "ASoC: dt-bindings: stm32: i2s: add audio-graph-card port" can > >> even be merely dropped. > >> So, I suggest to resend the serie without audio-graph-card patch. > > > > Only if you aren't using audio-graph-card. > > > >> > >> Does it sound too permissive to you ? > > > > I think perhaps you need to combine the schemas into 1. Or you need to > > restructure your dtsi files such that you only add spi specific > > properties when spi mode is enabled and only add i2s specific properties > > when i2s mode is enabled. Or use the /delete-property/ directive. > > Initially the aim of this series was to fix a "make W=1" warnings seen > on spi and i2s nodes (duplicate unit-address). Moving both nodes in a > common node + using a different compatible depending on SPI or I2S usage > sounded good) but it is not enough. In this series the common node is > named as following: "spi2s2: spi@4000b000". It is fine for a spi usage > but if we want to use this "common node" with I2S compatible and > specific bindings, the node name remains spi@... and then specific spi > checks are done. For this with this series applied we got this issue > reported by spi-controller.yaml: > > spi@4000b000: port@0: 'compatible' is a required property > > So, if we use two separates nodes we got W=1 warning and if we use a > common node we got yaml check issue. One possibility would be to use a > common node with a new node name (for example i2spi@...) but I think it > is not acceptable. It is acceptable, see this thread[1]. Rob [1] https://lore.kernel.org/all/20211203183517.11390-1-semen.protsenko@xxxxxxxxxx/