[PATCH v4] dt-binding: mtd: nand: Document the cs-gpios property

[Rob Herring]

On Mon, 10 May 2021 19:18:00 +0200, Miquel Raynal wrote:
> To reach higher capacities, arrays of chips are now pretty common.
> Unfortunately, most of the controllers have been designed a decade ago
> and did not all anticipate the need for several chip-selects. The new
> cs-gpios property allows to workaround this limitation by adding as many
> GPIO chip-select as needed.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> ---
> 
> Resending only the binding patch of the series, with the following
> changes requested by Rob:
> * Fixed the coherency between cs-gpios and gpios-cs
> * Added maxItems: 8 (this is a good enough value for most of the cases I
>   guess, this can be increased later if needed).
> * Adding maxItems: 8 lead to an error when checking the example,
>   minItems: 8 had to be added as well to the schema to fix it, not sure
>   this was expected or not.
> 
>  .../bindings/mtd/nand-controller.yaml          | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh at kernel.org>