[PATCH/RFC] ARM: shmobile: lager: Fix SPI mode of SPI-Flash into mode3

[Geert Uytterhoeven]

On Thu, Oct 30, 2014 at 6:55 AM, Simon Horman
<horms+renesas at verge.net.au> wrote:
> From: Hisashi Nakamura <hisashi.nakamura.ak at renesas.com>
>
> In order to change into mode3, CPOL and CPHA bit of SPCMD register
> of MSIOF is changed. Mode3 can avoid intermediate voltage.

This is the QSPI node, not MSIOF?

> Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak at renesas.com>
> Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
> ---
> Based on the renesas-devel-20141030-v3.18-rc2 branch of my renesas tree
>
>  arch/arm/boot/dts/r8a7790-lager.dts | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
> index 830f2e8..1606fad 100644
> --- a/arch/arm/boot/dts/r8a7790-lager.dts
> +++ b/arch/arm/boot/dts/r8a7790-lager.dts
> @@ -343,6 +343,8 @@
>                 spi-tx-bus-width = <4>;
>                 spi-rx-bus-width = <4>;
>                 m25p,fast-read;
> +               spi-cpol;
> +               spi-cpha;
>
>                 partition at 0 {
>                         label = "loader";

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds