[PATCH/RFC 0/2] spi: sh-msiof: Add DT DMA support on r8a7791

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This preliminary patch series add DT support to the Renesas MSIOF SPI
driver, and enables DMA support for MSIOF on r8a7791.

It's independent from the series "[PATCH/POC 0/2] ARM: shmobile: koelsch
legacy: Enable DMA for MSIOF", but it depends on the SHDMA work for r8a7790
by Ben Dooks (still v2, cfr. "[PATCH v2 0/9] Updates Renesas OF-DMA code"),
and my series "[PATCH v2 0/7] ARM: shmobile: koelsch reference: Enable DMA
for QSPI".

This was tested on r8a7791/koelsch.

  [1/2] spi: sh-msiof: Add DT support to DMA setup
  [2/2] ARM: shmobile: r8a7791 dtsi: Enable DMA for MSIOF

 Documentation/devicetree/bindings/spi/sh-msiof.txt | 17 +++++++++++++--
 arch/arm/boot/dts/r8a7791.dtsi                     | 15 ++++++++++---
 drivers/spi/spi-sh-msiof.c                         | 25 ++++++++++++++++------
 3 files changed, 45 insertions(+), 12 deletions(-)

As the DT bindings for SHDMA are still under development, I don't expect
this to be applied yet.

Thanks for your comments!

Gr{oetje,eeting}s,

						Geert

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

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
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