[PATCH v2 0/6] spi: sh-msiof: Add support for R-Car H2 and M2

[Geert Uytterhoeven <geert@linux-m68k.org>]

        Hi Mark,

This patch series refactors the sh-msiof SPI driver and adds support for
the MSIOF variant in the Renesas R-Car H2 (r8a7790) and M2 (r8a7791) SoCs.

It was tested on the Lager and Koelsch development boards, using a dummy
driver for the Renesas r2a11302ft PMIC that reads out the PMIC's version ID.

    [1/6] spi: sh-msiof: Improve bindings
    [2/6] spi: sh-msiof: Move default FIFO sizes to device ID data
    [3/6] spi: sh-msiof: Add support for R-Car H2 and M2
    [4/6] spi: sh-msiof: Move clock management to (un)prepare_message()
    [5/6] spi: sh-msiof: Convert to let spi core validate xfer->bits_per_word
    [6/6] spi: sh-msiof: Use core message handling instead of spi-bitbang

These are (reworked versions of) the remaining patches not taken from v1.
Changelogs are available in the individual patches.

Some of this work was based on a patch series by Takashi Yoshii
<takasi-y@ops.dti.ne.jp>.

Thanks!

Gr{oetje,eeting}s,

                                                Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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