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fsp_baytrail: Add macros to define 20K pull-up and down 

Add two macros to gpio.h which allow to setup 20K
pull-up or pull-down resistor for a given GPIO.

Change-Id: Ie3bc4d40df588ed682cc692e2a80527b9e62a483
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: http://review.coreboot.org/8402
Reviewed-by: Martin Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Werner Zeh 2015-02-10 13:32:51 +01:00 committed by Patrick Georgi
parent 1e9336e89c
commit 2a84445748
1 changed files with 14 additions and 0 deletions
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14
src/soc/intel/fsp_baytrail/baytrail/gpio.h
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@ -170,6 +170,20 @@
.use_sel = GPIO_USE_MMIO, \
.is_gpio = 1 }
#define GPIO_INPUT_PU_20K \
{ .pad_conf0 = PAD_PU_20K | PAD_PULL_UP | PAD_CONFIG0_DEFAULT, \
.pad_conf1 = PAD_CONFIG1_DEFAULT, \
.pad_val = PAD_VAL_INPUT, \
.use_sel = GPIO_USE_MMIO, \
.is_gpio = 1 }
#define GPIO_INPUT_PD_20K \
{ .pad_conf0 = PAD_PU_20K | PAD_PULL_DOWN | PAD_CONFIG0_DEFAULT, \
.pad_conf1 = PAD_CONFIG1_DEFAULT, \
.pad_val = PAD_VAL_INPUT, \
.use_sel = GPIO_USE_MMIO, \
.is_gpio = 1 }
#define GPIO_INPUT_NOPU \
{ .pad_conf0 = PAD_PU_10K | PAD_PULL_DISABLE | PAD_CONFIG0_DEFAULT, \
.pad_conf1 = PAD_CONFIG1_DEFAULT, \