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soc/amd/stoneyridge/gpio: Allow specifying 0 value for debounce timeout 

It is possible to configure debounce, but leave it disabled by specifying
a 0 value for the timeout.  Add a define for allowing to do so via the
PAD_DEBOUNCE() macro.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>

BUG=b:113880780
BRANCH=none
TEST=compile

Change-Id: I9de61297b0677cc904535a51c16970eecb52021d
Reviewed-on: https://review.coreboot.org/c/30998
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Daniel Kurtz 2019-01-17 12:32:10 -07:00 committed by Patrick Georgi
parent 01f96d78ff
commit 75ebb6c5df
1 changed files with 1 additions and 0 deletions
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1
src/soc/amd/stoneyridge/include/soc/gpio.h
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@ -462,6 +462,7 @@ enum {
#define GPIO_TIMEBASE_15560uS (1 << 7)
#define GPIO_TIMEBASE_62440uS (GPIO_TIMEBASE_183uS | \
GPIO_TIMEBASE_15560uS)
#define GPIO_IN_DEBOUNCE_DISABLED (0 | GPIO_TIMEBASE_61uS)
#define GPIO_IN_60uS (1 | GPIO_TIMEBASE_61uS)
#define GPIO_IN_120uS (2 | GPIO_TIMEBASE_61uS)
#define GPIO_IN_200uS (3 | GPIO_TIMEBASE_61uS)