[PATCH v3] mtd: nand: tango: import driver for tango chips

[Mason]

On 09/09/2016 18:13, Marc Gonzalez wrote:

> This driver supports the NAND Flash controller embedded in recent
> Tango chips, such as SMP8758 and SMP8759.
> 
> Signed-off-by: Marc Gonzalez <marc_gonzalez at sigmadesigns.com>
> ---
>  drivers/mtd/nand/Kconfig      |   6 +
>  drivers/mtd/nand/Makefile     |   1 +
>  drivers/mtd/nand/tango_nand.c | 482 ++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 489 insertions(+)
>  create mode 100644 drivers/mtd/nand/tango_nand.c

Still on the TODO/MAYBE list:

1) Remove the cast in tango_write_page
2) Update stats.failed
3) Implement read/write_oob
4) Report OOB layout to framework (?)
5) Tweak (?) Peripheral Bus setup (timings and CS config)
6) Write device_cfg register (or report weirdness as a bug)

Regards.