[PATCH] spi: atmel-quadspi: Add support for SAMA7G5 QSPI

[Jagan Teki]

On Wed, Nov 3, 2021 at 10:17 PM Tudor Ambarus
<tudor.ambarus at microchip.com> wrote:
>
> sama7g5 QSPI has:
> 1/ One Octal Serial Peripheral Interfaces (QSPI0) Supporting Up to
>    200 MHz DDR. Octal, TwinQuad, Hyperflash and OctaFlash Protocols Supported
> 2/ One Quad Serial Peripheral Interfaces (QSPI1) Supporting Up to
>    90 MHz DDR/133 MHz SDR
>
> The QSPI controller of SAMA7G5 uses different clock domains, hence extra
> synchronization operations must be performed before accessing some
> registers. Differentiate between the versions of the IP using has_gclk.
> Differentiate between QSPI0 and QSPI1 with has_octal.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus at microchip.com>
> ---

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>