[PATCH v3 05/11] memory: add Atmel EBI (External Bus Interface) driver

Alexander Stein alexander.stein at systec-electronic.com
Mon Dec 1 02:40:03 PST 2014

Hi Boris,

On Monday 01 December 2014 11:27:21, Boris Brezillon wrote:
> The EBI (External Bus Interface) is used to access external peripherals
> (NOR, SRAM, NAND, and other specific devices like ethernet controllers).
> Each device is assigned a CS line and an address range and can have its
> own configuration (timings, access mode, bus width, ...).
> This driver provides a generic DT binding to configure a device according
> to its requirements.
> For specific device controllers (like the NAND one) the SMC timings
> should be configured by the controller driver through the matrix and
> smc syscon regmaps.
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at traphandler.com>
> Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> ---
>  drivers/memory/Kconfig     |  11 +
>  drivers/memory/Makefile    |   1 +
>  drivers/memory/atmel-ebi.c | 627 +++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 639 insertions(+)
>  create mode 100644 drivers/memory/atmel-ebi.c

While I like this feature, shouldn't this driver go to drivers/bus/ like the imx-weim driver? The latter one does the same, so I wonder why one is in drivers/bus while the other is in drivers/memory.

Best regards,
Dipl.-Inf. Alexander Stein

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