Re: [PATCH 4/6] dt-bindings: riscv: Add DT binding documentation for Renesas RZ/Five SoC and SMARC EVK

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On 27/07/2022 12:06, Lad, Prabhakar wrote:
> Hi Krzysztof,
> 
> On Wed, Jul 27, 2022 at 10:54 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>>
>> On 27/07/2022 11:05, Lad, Prabhakar wrote:
>>> Hi Krzysztof,
>>>
>>> Thank you for the review.
>>>
>>> On Wed, Jul 27, 2022 at 9:54 AM Krzysztof Kozlowski
>>> <krzysztof.kozlowski@xxxxxxxxxx> wrote:
>>>>
>>>> On 26/07/2022 20:06, Lad Prabhakar wrote:
>>>>> Document Renesas RZ/Five (R9A07G043) SoC and SMARC EVK based on this SoC.
>>>>>
>>>>> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>>>>> ---
>>>>>  .../devicetree/bindings/riscv/renesas.yaml    | 49 +++++++++++++++++++
>>>>>  1 file changed, 49 insertions(+)
>>>>>  create mode 100644 Documentation/devicetree/bindings/riscv/renesas.yaml
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/riscv/renesas.yaml b/Documentation/devicetree/bindings/riscv/renesas.yaml
>>>>> new file mode 100644
>>>>> index 000000000000..f72f8aea6a82
>>>>> --- /dev/null
>>>>> +++ b/Documentation/devicetree/bindings/riscv/renesas.yaml
>>>>> @@ -0,0 +1,49 @@
>>>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>>>> +%YAML 1.2
>>>>> +---
>>>>> +$id: http://devicetree.org/schemas/riscv/renesas.yaml#
>>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>>>> +
>>>>> +title: Renesas RZ/Five Platform Device Tree Bindings
>>>>> +
>>>>> +maintainers:
>>>>> +  - Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
>>>>> +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
>>>>> +
>>>>> +# We want to ignore this schema if the board is SMARC EVK based on ARM64 arch
>>>>> +select:
>>>>> +  not:
>>>>> +    properties:
>>>>> +      compatible:
>>>>> +        contains:
>>>>> +          items:
>>>>
>>>> I think you should rather ignore the RiscV SoCs, not specific board.
>>>>
>>> You mean to ignore ARM/64 SoCs?
>>>
>>> Agreed just the below enum, should do the trick.
>>>
>>>             - enum:
>>>                 - renesas,r9a07g043u11
>>>                 - renesas,r9a07g043u12
>>>                 - renesas,r9a07g044c1
>>>                 - renesas,r9a07g044c2
>>>                 - renesas,r9a07g044l1
>>>                 - renesas,r9a07g044l2
>>>                 - renesas,r9a07g054l1
>>>                 - renesas,r9a07g054l2
>>>
>>>
>>>>> +            - const: renesas,smarc-evk
>>>>> +            - enum:
>>>>> +                - renesas,r9a07g043u11
>>>>> +                - renesas,r9a07g043u12
>>>>> +                - renesas,r9a07g044c1
>>>>> +                - renesas,r9a07g044c2
>>>>> +                - renesas,r9a07g044l1
>>>>> +                - renesas,r9a07g044l2
>>>>> +                - renesas,r9a07g054l1
>>>>> +                - renesas,r9a07g054l2
>>>>> +            - enum:
>>>>> +                - renesas,r9a07g043
>>>>> +                - renesas,r9a07g044
>>>>> +                - renesas,r9a07g054
>>>>
>>>> Did you actually test that it works and properly matches?
>>>>
>>> Yes I have run the dtbs_check and dt_binding _check for ARM64 and
>>> RISC-V. Do you see any cases where it can fail?
>>
>>
>> Just remove the renesas,smarc-evk2 from
>> arch/arm64/boot/dts/renesas/r9a07g043u11-smarc.dts. Do you see the
>> error? Not from this schema. The only error you will see is that no
>> matching schema was found.
>>
> I did run the dtbs_check test as per your suggestion (below is the
> log) and didn't see "no matching schema error"
> 

So you do not see any errors at all. Then it does not work, does it?

Best regards,
Krzysztof



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