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SubjectRe: [PATCH 1/6] dt-bindings: arm: renesas: Ignore the schema for RISC-V arch
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On 27/07/2022 11:00, Lad, Prabhakar wrote:
> Hi Krzysztof,
>
> On Wed, Jul 27, 2022 at 9:53 AM Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> On 26/07/2022 20:06, Lad Prabhakar wrote:
>>> Ignore the ARM renesas.yaml schema if the board is RZ/Five SMARC EVK
>>> (RISC-V arch).
>>>
>>> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>>> ---
>>> Documentation/devicetree/bindings/arm/renesas.yaml | 9 +++++++++
>>> 1 file changed, 9 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/arm/renesas.yaml b/Documentation/devicetree/bindings/arm/renesas.yaml
>>> index ff80152f092f..f646df1a23af 100644
>>> --- a/Documentation/devicetree/bindings/arm/renesas.yaml
>>> +++ b/Documentation/devicetree/bindings/arm/renesas.yaml
>>> @@ -9,6 +9,15 @@ title: Renesas SH-Mobile, R-Mobile, and R-Car Platform Device Tree Bindings
>>> maintainers:
>>> - Geert Uytterhoeven <geert+renesas@glider.be>
>>>
>>> +# We want to ignore this schema if the board is of RISC-V arch
>>> +select:
>>> + not:
>>> + properties:
>>> + compatible:
>>> + contains:
>>> + items:
>>> + - const: renesas,r9a07g043f01
>>
>> Second issue - why not renesas,r9a07g043?
>>
> We have two R9A07G043 SOC'S one is based on ARM64 and other on RISC-V.
>
> RZ/G2UL ARM64:
> Type-1 Part Number: R9A07G043U11GBG#BC0
> Type-2 Part Number: R9A07G043U12GBG#BC0
>
> RZ/Five RISCV:
> 13 x 13 mm Package Part Number: R9A07G043F01GBG#BC0
>
> So to differentiate in ARM schema I am using renesas,r9a07g043f01.

What is the point to keep then r9a07g043 fallback? The two SoCs are not
compatible at all, so they must not use the same fallback.

Best regards,
Krzysztof

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