spi: omap2-mcspi: Support divide-by-n clock dividers

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Currently a divide-by-2^n clock is used, causing a very coarse
clock selection, i.e. a 10MHz device will need to use a 6MHz
clock. The McSPI can also use a divide-by-n clock, this patch
adds support for selecting that when possible.

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

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Stefan Sørensen 2014-02-02 16:24:25 +01:00 • committed by Mark Brown

parent 2bd16e3e23

commit faee9b05f6

1 changed files with 36 additions and 7 deletions

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drivers/spi/spi-omap2-mcspi.c

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