And I forgot to Cc the DT maintainer/ML on this one :-/

On Wed,  3 Jun 2020 15:49:22 +0200
Boris Brezillon <boris.brezil...@collabora.com> wrote:

> Those properties are no longer parsed by the driver which is being passed
> those information by the core now. Let's deprecate them.
> 
> Signed-off-by: Boris Brezillon <boris.brezil...@collabora.com>
> ---
>  Documentation/devicetree/bindings/mtd/fsl-upm-nand.txt | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/fsl-upm-nand.txt 
> b/Documentation/devicetree/bindings/mtd/fsl-upm-nand.txt
> index fce4894f5a98..25f07c1f9e44 100644
> --- a/Documentation/devicetree/bindings/mtd/fsl-upm-nand.txt
> +++ b/Documentation/devicetree/bindings/mtd/fsl-upm-nand.txt
> @@ -7,14 +7,16 @@ Required properties:
>  - fsl,upm-cmd-offset : UPM pattern offset for the command latch.
>  
>  Optional properties:
> -- fsl,upm-wait-flags : add chip-dependent short delays after running the
> -     UPM pattern (0x1), after writing a data byte (0x2) or after
> -     writing out a buffer (0x4).
>  - fsl,upm-addr-line-cs-offsets : address offsets for multi-chip support.
>       The corresponding address lines are used to select the chip.
>  - gpios : may specify optional GPIOs connected to the Ready-Not-Busy pins
>       (R/B#). For multi-chip devices, "n" GPIO definitions are required
>       according to the number of chips.
> +
> +Deprecated properties:
> +- fsl,upm-wait-flags : add chip-dependent short delays after running the
> +     UPM pattern (0x1), after writing a data byte (0x2) or after
> +     writing out a buffer (0x4).
>  - chip-delay : chip dependent delay for transferring data from array to
>       read registers (tR). Required if property "gpios" is not used
>       (R/B# pins not connected).
> @@ -52,8 +54,6 @@ upm@3,0 {
>       fsl,upm-cmd-offset = <0x08>;
>       /* Multi-chip NAND device */
>       fsl,upm-addr-line-cs-offsets = <0x0 0x200>;
> -     fsl,upm-wait-flags = <0x5>;
> -     chip-delay = <25>; // in micro-seconds
>  
>       nand@0 {
>               #address-cells = <1>;

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