ARM: arch-shmobile: support SDHI card detection on mackerel, using a GPIO

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On sh7372 the card-detection pin of SDHI0 can also produce interrupts,
when configured as GPIO. Use this feature to power down SDHI0, when no
card is plugged in.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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Guennadi Liakhovetski 2011-05-11 16:51:20 +00:00 • committed by Paul Mundt

parent dce65a6a92

commit 4bff4a7ee4

1 changed files with 20 additions and 0 deletions

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arch/arm/mach-shmobile/board-mackerel.c

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