[PATCH v1] dt-bindings: nand: meson: Fix 'nand-rb' property
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Wed Jun 7 01:53:59 PDT 2023
On 07/06/2023 10:40, Arseniy Krasnov wrote:
> Hello Miquel,
>
> On 07.06.2023 10:58, Miquel Raynal wrote:
>
>> Hi Arseniy,
>>
>> AVKrasnov at sberdevices.ru wrote on Tue, 6 Jun 2023 22:35:07 +0300:
>>
>>> Add description of 'nand-rb' property. Use "Fixes" because this property
>>> must be supported since the beginning. For this controller 'nand-rb' is
>>> stored in the controller node (not in chip), because it has only single
>>> r/b wire for all chips.
>>
>> Sorry if I mislead you in the first place, but you could definitely
>> have two chips and only one with RB wired. It needs to be defined in
>> the chips.
>
> Ok, so to clarify: is it ok, that in bindings this property will be placed in the
> chip, but in driver, i'm trying to read it from the controller node (thus in
> dts file it will be also in controller node)?
No, because how would your DTS pass validation? I understand you did not
test the bindings, but this will improve, right?
> Because in driver there is no sense
> to store this value in chip structure.
Driver does not shape the DTS. Hardware does.
Best regards,
Krzysztof
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