Re: [PATCH] media: dt-bindings: ov2685: convert to dtschema

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On Tue, Mar 14, 2023 at 07:33:06PM +0100, Luca Weiss wrote:
> On Dienstag, 14. März 2023 13:00:52 CET Sakari Ailus wrote:
> > Hi Luca,
> > 
> > On Thu, Feb 09, 2023 at 05:46:48PM +0100, Luca Weiss wrote:
> > > +CC Helen Koike
> > > 
> > > On Montag, 6. Februar 2023 22:50:08 CET Rob Herring wrote:
> > > > On Mon, 06 Feb 2023 21:23:16 +0100, Luca Weiss wrote:
> > > > > Convert the text-based dt-bindings to yaml.
> > > > > 
> > > > > Changes from original txt:
> > > > > * Take wording for various properties from other yaml bindings, this
> > > > > 
> > > > >   removes e.g. volt amount from schema since it isn't really relevant
> > > > >   and the datasheet is a better source.
> > > > > 
> > > > > * Don't make reset-gpios a required property since it can be tied to
> > > > > 
> > > > >   DOVDD instead.
> > > > > 
> > > > > Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> > > > > ---
> > > > > 
> > > > >  .../devicetree/bindings/media/i2c/ov2685.txt       |  41 ---------
> > > > >  .../devicetree/bindings/media/i2c/ovti,ov2685.yaml | 101
> > > > >  +++++++++++++++++++++ MAINTAINERS
> > > > >  
> > > > >  |   1 +
> > > > >  
> > > > >  3 files changed, 102 insertions(+), 41 deletions(-)
> > > > 
> > > > My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> > > > on your patch (DT_CHECKER_FLAGS is new in v5.13):
> > > > 
> > > > yamllint warnings/errors:
> > > > 
> > > > dtschema/dtc warnings/errors:
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > medi a/rockchip-isp1.example.dtb: camera@3c: 'clocks' is a required
> > > > property From schema:
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/i2c/ovti,ov2685.yaml
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/rockchip-isp1.example.dtb: camera@3c: 'clock-names' is a required
> > > > property From schema:
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/i2c/ovti,ov2685.yaml
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/rockchip-isp1.example.dtb: camera@3c: 'dvdd-supply' is a required
> > > > property From schema:
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/i2c/ovti,ov2685.yaml
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/rockchip-isp1.example.dtb: camera@3c: 'avdd-supply' is a required
> > > > property From schema:
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/i2c/ovti,ov2685.yaml
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/rockchip-isp1.example.dtb: camera@3c: 'dovdd-supply' is a required
> > > > property From schema:
> > > > /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/
> > > > med
> > > > ia/i2c/ovti,ov2685.yaml
> > > 
> > > Looks like rockchip-isp1.yaml uses very incomplete sensor examples in
> > > their
> > > binding example, which sort of makes sense since those bindings are
> > > showing
> > > the rockchip isp bindings and contain the bare minimum to show how a
> > > sensor is connected in dt.
> > > 
> > > Not sure how to solve this - ov2685 is also one of three sensors that are
> > > used very abbreviated there.
> > 
> > Could these regulators be simply made optional?
> 
> Sure, from driver side it would just get dummy regulators instead.
> 
> Still the clocks are also missing in this rockchip example. Any suggestion 
> what to do about those?
> 
> Honestly I don't want to spend too much time on some ISP docs that I don't 
> really care about, would be nice if the maintainers of that could do that...

Ah, I think I missed this was about examples only, not actual DT source.

I guess you could just make up some clocks in that case? :-)

-- 
Sakari Ailus



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