On 21/10/2023 14:05, Sebastian Fricke wrote: > Hey Rob and Krzysztof, > > On 16.10.2023 08:47, Rob Herring wrote: >> On Thu, Oct 12, 2023 at 03:24:12PM +0200, Krzysztof Kozlowski wrote: >>> On 12/10/2023 13:01, Sebastian Fricke wrote: >>>> From: Robert Beckett <bob.beckett@xxxxxxxxxxxxx> >>>> >>>> Add bindings for the chips&media wave5 codec driver >>>> >>>> Signed-off-by: Robert Beckett <bob.beckett@xxxxxxxxxxxxx> >>>> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx> >>>> Signed-off-by: Sebastian Fricke <sebastian.fricke@xxxxxxxxxxxxx> >>>> --- >>>> .../devicetree/bindings/media/cnm,wave5.yaml | 60 ++++++++++++++++++++++ >>>> 1 file changed, 60 insertions(+) >>>> >>>> diff --git a/Documentation/devicetree/bindings/media/cnm,wave5.yaml b/Documentation/devicetree/bindings/media/cnm,wave5.yaml >>>> new file mode 100644 >>>> index 000000000000..b31d34aec05b >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/media/cnm,wave5.yaml >>>> @@ -0,0 +1,60 @@ >>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) >>>> +%YAML 1.2 >>>> +--- >>>> +$id: http://devicetree.org/schemas/media/cnm,wave5.yaml# >>> >>> Filename matching compatible, so: cnm,cm521c-vpu.yaml > > With which compatible should the filename match? (see below) > And just to be sure, this means that I rename the file to: > `.../devicetree/bindings/media/cnm,wave521c.yaml` With the fallback compatible. > >>> >>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>> + >>>> +title: Chips&Media Wave 5 Series multi-standard codec IP >>>> + >>>> +maintainers: >>>> + - Nas Chung <nas.chung@xxxxxxxxxxxxxxx> >>>> + - Jackson Lee <jackson.lee@xxxxxxxxxxxxxxx> >>>> + >>>> +description: >>>> + The Chips&Media WAVE codec IP is a multi format video encoder/decoder >>>> + >>>> +properties: >>>> + compatible: >>>> + enum: >>>> + - cnm,cm521c-vpu >>> >>> Can this device be anything else? Why VPU suffix? >> >> It needs an SoC specific compatible (TI something...) as well (or >> instead). Unless there's a public spec with details on how many >> clocks, resets, interrupts, etc. there are. > > Okay so how about this, a bit similar to the Coda driver supplying both > a general option and a SoC specific version: Can generic compatible be used alone in board designs? If it is licensed block, then most likely you want a fallback. > > properties: > compatible: > enum: > - ti,k3-j721sX-wave521c > - cnm,wave521c > > (ti,k3-j721sX-wave521c = manufacturer,SoC-codec) > (tested on j721s2 but should work on other variations as well) > > Another alternative could be: ti,k3-wave521c (less specific on a single > SoC series but connected to a bigger range of devices) Best regards, Krzysztof