spi: sh-msiof: Extend support to 3 native chip selects

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Currently only the MSIOF_SYNC signal can be used as a native chip
select.  Extend support to up to 3 native chipselects using the
MSIOF_SS1 and MSIOF_SS2 signals.

Inspired by a patch in the BSP by Hiromitsu Yamasaki.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Geert Uytterhoeven 2017-12-13 20:05:11 +01:00 • committed by Mark Brown

parent 7ff0b53c40

commit 9cce882bed

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2 changed files with 18 additions and 6 deletions

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6

Documentation/devicetree/bindings/spi/sh-msiof.txt

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18

drivers/spi/spi-sh-msiof.c

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