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authorDuncan Laurie <dlaurie@chromium.org>2013-05-29 07:48:47 -0700
committerStefan Reinauer <stefan.reinauer@coreboot.org>2013-11-26 20:41:42 +0100
commit994611a6377cac10e7cc372450018ac625a7cd32 (patch)
tree65376ce54a0910f443178f41389221b8b6eb6d9c /src/southbridge
parent5679e5a4b6ddf32a3a5291913a353037938473ae (diff)
downloadcoreboot-994611a6377cac10e7cc372450018ac625a7cd32.tar.xz
lynxpoint: Add an inverted input GPIO type
The wake device input pins are active low and the GPIOs need to be set as inverted when they are marked as an input so they are not spuriously logged. suspend/resume on slippy with trackpad wake: 8 | 2013-05-29 07:43:14 | ACPI Enter | S3 9 | 2013-05-29 07:43:18 | ACPI Wake | S3 10 | 2013-05-29 07:43:18 | Wake Source | GPIO | 12 and with power button wake: 11 | 2013-05-29 07:43:35 | ACPI Enter | S3 12 | 2013-05-29 07:43:40 | EC Event | Power Button 13 | 2013-05-29 07:43:40 | ACPI Wake | S3 14 | 2013-05-29 07:43:40 | Wake Source | Power Button | 0 Change-Id: I15d38dcc9b2fb4b2b0eb27da358fa3c343e22323 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/56940 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/4209 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/intel/lynxpoint/lp_gpio.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/lp_gpio.h b/src/southbridge/intel/lynxpoint/lp_gpio.h
index f1b2717423..38da9e2c5c 100644
--- a/src/southbridge/intel/lynxpoint/lp_gpio.h
+++ b/src/southbridge/intel/lynxpoint/lp_gpio.h
@@ -123,6 +123,10 @@
{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT, \
.owner = GPIO_OWNER_GPIO }
+#define LP_GPIO_INPUT_INVERT \
+ { .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_INVERT, \
+ .owner = GPIO_OWNER_GPIO }
+
#define LP_GPIO_IRQ_EDGE \
{ .conf0 = GPIO_MODE_GPIO | GPIO_DIR_INPUT | GPIO_IRQ_EDGE, \
.owner = GPIO_OWNER_GPIO, \