[U-Boot] [PATCH v3 2/3] spi: zynqmp_qspi: Add QSPI driver support for ZynqMP

[S Durga Prasad Paladugu]

Hi Jagan,

On Wed, Jul 27, 2016 at 1:28 PM, Jagan Teki <jagannadh.teki at gmail.com>
wrote:

> On 19 July 2016 at 14:40, Siva Durga Prasad Paladugu
> <siva.durga.paladugu at xilinx.com> wrote:
> > This adds QSPI driver support for ZynqMP platform
> > This driver supports all spi flash commands in
> > qspi single mode.
> >
> > Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
> > ---
> > Changes for v3:
> > - None
> > Changes for v2:
> > - set no_all_quad as zynqmp qspi
> >   controller doesnt support it
> > ---
> >  drivers/spi/Kconfig       |   9 +
> >  drivers/spi/Makefile      |   1 +
> >  drivers/spi/zynqmp_qspi.c | 705 ++++++++++++++++++++++++++++++
> ++++++++++++++++
> >  3 files changed, 715 insertions(+)
> >  create mode 100644 drivers/spi/zynqmp_qspi.c
> >
> > diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
> > index aca385d..6814ff9 100644
> > --- a/drivers/spi/Kconfig
> > +++ b/drivers/spi/Kconfig
> > @@ -172,6 +172,15 @@ config ZYNQ_QSPI
> >           Zynq QSPI IP core. This IP is used to connect the flash in
> >           4-bit qspi, 8-bit dual stacked and shared 4-bit dual parallel.
> >
> > +config ZYNQMP_QSPI
> > +       bool "ZynqMP QSPI driver"
> > +       depends on ARCH_ZYNQMP
> > +       help
> > +         Enable the ZynqMP Quad-SPI (QSPI) driver. This driver can be
> > +         used to access the SPI NOR flash on platforms embedding this
> > +         ZynqMP QSPI IP core. This IP is used to connect the flash in
> > +         4-bit qspi, 8-bit dual stacked and shared 4-bit dual parallel.
>
> If this is the case, spi couldn't be the correct place to handle nor
> dualness.
>

But i see zynq also added here. If this not the correct place could you
please point me
to where this should go.

Regards,
Siva


>
> thanks!
> --
> Jagan.
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