[ARM] 4602/3: AT91: debugfs interface to view GPIO pin state

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This patch adds a debug interface (if CONFIG_DEBUG_FS is selected) to
display the basic configuration and current state of the GPIO pins on
the Atmel AT91 processors.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Andrew Victor 2007-11-23 16:09:10 +01:00 • committed by Russell King

parent 9b73e76f3c

commit b66545e7ae

1 changed files with 62 additions and 0 deletions

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arch/arm/mach-at91/gpio.c

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