Re: [PATCH v2 02/11] dt-bindings: marvell: convert Armada 37xx compatibles to YAML

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On Thu, May 12, 2022 at 2:36 PM Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 12/05/2022 14:26, Robert Marko wrote:
> > On Wed, May 11, 2022 at 6:52 PM Krzysztof Kozlowski
> > <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> >>
> >> On 10/05/2022 14:49, Robert Marko wrote:
> >>
> >> Thank you for your patch. There is something to discuss/improve.
> >>
> >>> -
> >>> - - compatible: must contain "cznic,turris-mox"
> >>> diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-37xx.yaml b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.yaml
> >>> new file mode 100644
> >>> index 000000000000..3f41ef2c6f3e
> >>> --- /dev/null
> >>> +++ b/Documentation/devicetree/bindings/arm/marvell/armada-37xx.yaml
> >>> @@ -0,0 +1,50 @@
> >>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >>> +%YAML 1.2
> >>> +---
> >>> +$id: http://devicetree.org/schemas/arm/marvell/armada-37xx.yaml#
> >>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >>> +
> >>> +title: Marvell Armada 37xx Platforms Device Tree Bindings
> >>> +
> >>> +maintainers:
> >>> +  - Robert Marko <robert.marko@xxxxxxxxxx>
> >>> +
> >>> +properties:
> >>> +  $nodename:
> >>> +    const: '/'
> >>> +  compatible:
> >>> +    oneOf:
> >>> +      - description: Armada 3710 SoC
> >>> +        items:
> >>> +          - const: marvell,armada3710
> >>
> >> This does not look correct. The SoC usually cannot be used by itself,
> >> it's always a part of some product, SoM, board.
> >
> > Hi Krzysztof,
> > Currently, there are no Armada 3710 boards present in Linux, so I just
> > put the SoC compatible.
> > If that is not appropriate, I can drop it.
>
> Yes, please drop it.
>
> It seems several Marvel boards and bindings use wrong convention for
> compatibles. We discussed it here:
> https://lore.kernel.org/all/1ed03960-77f6-1a9e-2378-07a6c51f42f7@xxxxxxxxxx/
> AC5 and CN9130 have the same wrong patterns.
>
> >
> >>
> >>> +
> >>> +      - description: Armada 3720 SoC
> >>> +        items:
> >>> +          - enum:
> >>> +              - marvell,armada-3720-db
> >>> +              - globalscale,espressobin
> >>> +              - cznic,turris-mox
> >>> +              - methode,udpu
> >>
> >> Order by name.
> > Will fixup in v3.
> >
> >>
> >>> +          - const: marvell,armada3720
> >>> +          - const: marvell,armada3710
> >>> +
> >>> +      - description: Globalscale Espressobin boards
> >>> +        items:
> >>> +          - enum:
> >>> +              - globalscale,espressobin-emmc
> >>> +              - globalscale,espressobin-ultra
> >>> +              - globalscale,espressobin-v7
> >>> +          - const: globalscale,espressobin
> >>> +          - const: marvell,armada3720
> >>> +          - const: marvell,armada3710
> > Do these const compatibles also need to be in alphabetical ordering,
> > cause I ported them as they are meant to be used with the board and
> > then 3720 compatibles being in front of 3710 one as required by the current
> > text bindings.
>
> Entries in enum should be ordered alphabetically. Then the entire set "-
> description: Globalscale Espressobin boards" should have some logical
> order, not necessarily by name.
>
> Anyway this is not a requirement but rather suggestion because having
> things ordered reduces amount of conflicts when two people add new
> boards (because they add it not at the end, but somewhere in the middle
> following some order).

Hi,
understood, will send a v3 soon.

Regards,
Robert
>
>
> Best regards,
> Krzysztof



-- 
Robert Marko
Staff Embedded Linux Engineer
Sartura Ltd.
Lendavska ulica 16a
10000 Zagreb, Croatia
Email: robert.marko@xxxxxxxxxx
Web: www.sartura.hr



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