diff options
| author | Werner Zeh <werner.zeh@siemens.com> | 2015-02-10 13:32:51 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-02-13 09:29:28 +0100 |
| commit | 2a8444574889ecd97fdf9bddd864d38d2f5bc46a (patch) | |
| tree | fee97aafd44e96e1f4fc6844ce78d494250cc0fd /src/soc | |
| parent | 1e9336e89c779d531a2c1882e37f3e46ad55d01a (diff) | |
| download | coreboot-2a8444574889ecd97fdf9bddd864d38d2f5bc46a.tar.xz | |
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>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/fsp_baytrail/baytrail/gpio.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/soc/intel/fsp_baytrail/baytrail/gpio.h b/src/soc/intel/fsp_baytrail/baytrail/gpio.h index e13b663273..a45254a8af 100644 --- a/src/soc/intel/fsp_baytrail/baytrail/gpio.h +++ b/src/soc/intel/fsp_baytrail/baytrail/gpio.h @@ -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, \ |