spi: rspi: Increase bit rate range for RSPI on SH

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Increase bit rate range for RSPI on legacy SH by making use of the Bit
Rate Frequency Division Setting field in Command Registers, just like is
already done on RZ/A.  This decreases the lower limit by a factor of 8.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200819125904.20938-5-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>

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Geert Uytterhoeven 2020-08-19 14:59:01 +02:00 • committed by Mark Brown

parent feace90233

commit 4e71d926ab

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1 changed files with 18 additions and 17 deletions

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drivers/spi/spi-rspi.c

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