Re: [PATCH 00/13] dt-bindings: media: ov5640: Convert to json-schema

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Hi Jacopo,

On Fri, Jul 17, 2020 at 03:28:46PM +0200, Jacopo Mondi wrote:
> Hello,
>    this series has been broken out from
> " [PATCH 0/8] dt-bindings: media: i2c: Convert to json-schema"
> which I sent out a few days ago.
> 
> It was a single patch, now it's 13. Not sure it's a good sign :)
> 
> Anyway, in the version sent as part of the mentioned series I just converted
> the existing bindings to the json-schema format, without putting to much
> attention to what was there.
> 
> As suggested by Laurent I moved to specify properties as dt-schema, to
> allow their validation, and that sprinkled to a lot of fun.

I found it "fun" too when I started converting bindings to YAML schemas,
albeit a quite painful fun at times. It was time consuming for me, as I
found out a new mindset was needed to really understand what I was
doing. I wonder if it's easier for people with prior exposure to formal
languages.

> For each patch in the series, the DTS and bindings maintainers are CC-ed.
> The whole series has been sent to a limited audience only.
> 
> The series starts with a plain conversion of the existing bindings to
> dt-schema. It then fixes a potential issue on a dts user of the sensor,
> and then move to remove or demote endpoint properties that were marked as
> required in the original text bindings. This of course causes a log of churn
> in the existing DTS which use the sensor, and opens some questions there from
> which I expect the individual maintainers to provide directions on.
> 
> Finally, the small patch for the driver to initialize DVP default signal
> values to what the sensor manual and the bindings report.
> 
> The series ends with the update of the MAINTAINERS file with the new
> .yaml binding file and the addition of myself as co-maintainer for the driver.
> Steve if you intended to remove yourself please send a patch, I didn't dare to
> do it myself :)
> 
> A final note for Rob and his bot: some patches breaks validation of existing
> dts, which are then fixed by following patches. Hope this is ok, but it I
> have to keep validation of all dts successful, patches would likely be huge
> and hinder changes which I preferred to make explicitly in single patches.
> 
> Jacopo Mondi (13):
>   dt-bindings: media: ov5640: Convert to json-schema
>   arm64: dts: qcom: apq8016-sbc: Fix CSI-2 lanes routing
>   dt-bindings: media: ov5640: Do not limit rotation
>   dt-bindings: media: ti,cal: Remove sensor from example
>   dt-bindings: media: ov5640: Make bus-type mandatory
>   dt-bindings: media: ov5640: Require ep properties
>   dt-bindings: media: ov5640: Remove clock-lanes
>   dt-bindings: media: ov5640: Remove data-shift
>   dt-bindings: media: ov5640: Add default for synch signals
>   dt-bindings: media: ov5640: Demote DVP required properties
>   media: i2c: ov5640: Initialize DVP polarities as default
>   MAINTAINERS: ov5640: Add bindings file
>   dt-bindings: media: ov5640: Add myself as co-maintainer
> 
>  .../devicetree/bindings/media/i2c/ov5640.txt  |  92 --------
>  .../devicetree/bindings/media/i2c/ov5640.yaml | 208 ++++++++++++++++++
>  .../devicetree/bindings/media/ti,cal.yaml     |  22 --
>  MAINTAINERS                                   |   2 +
>  arch/arm/boot/dts/dra72-evm-common.dtsi       |   2 +-
>  arch/arm/boot/dts/dra76-evm.dts               |   2 +-
>  arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi |   2 +-
>  arch/arm/boot/dts/imx6qdl-icore.dtsi          |   2 +-
>  arch/arm/boot/dts/imx6qdl-sabrelite.dtsi      |   2 +-
>  arch/arm/boot/dts/imx6qdl-sabresd.dtsi        |   2 +-
>  arch/arm/boot/dts/stm32mp157c-ev1.dts         |   2 +-
>  .../allwinner/sun50i-a64-amarula-relic.dts    |   1 +
>  .../boot/dts/allwinner/sun50i-a64-pinetab.dts |   1 +
>  arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi     |   8 +-
>  .../arm64/boot/dts/ti/k3-am654-base-board.dts |   2 +-
>  drivers/media/i2c/ov5640.c                    |  16 +-
>  16 files changed, 232 insertions(+), 134 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/media/i2c/ov5640.txt
>  create mode 100644 Documentation/devicetree/bindings/media/i2c/ov5640.yaml

-- 
Regards,

Laurent Pinchart



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