ARM: shmobile: sh73a0: add support for adjusting CPU frequency

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On SH73A0 the output of PLL0 is supplied to two dividers, feeding clock to
the CPU core and SGX. Lower CPU frequencies allow the use of lower supply
voltages and thus reduce power consumption.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

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Guennadi Liakhovetski 2013-04-05 12:00:36 +02:00 • committed by Simon Horman

parent aa9c185bbc

commit 73107925f4

1 changed files with 93 additions and 2 deletions

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arch/arm/mach-shmobile/clock-sh73a0.c

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