Re: [PATCH 03/18] MIPS: DTS: jz4780: fix tcu timer as reported by dtbscheck

[H. Nikolaus Schaller]

> Am 09.04.2022 um 13:11 schrieb Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>:
> 
> On 08/04/2022 20:37, H. Nikolaus Schaller wrote:
>> arch/mips/boot/dts/ingenic/ci20.dtb: timer@10002000: compatible: 'oneOf' conditional failed, one must be fixed:
>> 	['ingenic,jz4780-tcu', 'ingenic,jz4770-tcu', 'simple-mfd'] is too long
>> 	'ingenic,jz4780-tcu' is not one of ['ingenic,jz4740-tcu', 'ingenic,jz4725b-tcu', 'ingenic,jz4760-tcu', 'ingenic,x1000-tcu']
>> 	'simple-mfd' was expected
>> 	'ingenic,jz4760-tcu' was expected
> 
> Trim it a bit...
> 
>> 	From schema: Documentation/devicetree/bindings/timer/ingenic,tcu.yaml
> 
> You need to explain this. You're changing the effective compatible of
> the device and doing so based only on schema warning does not look
> enough. Please write real reason instead of this fat warning, e.g. that
> both devices are actually compatible and this has no real effect except
> schema checks.

both use jz4740_soc_info / jz4770_soc_info and there is no ingenic,jz4780-tcu...
So it doesn't change function, just makes it fit to the bindings.

We could solve it differently add ingenic,jz4780-tcu to bindings and the
driver compatible table.