From 2a8444574889ecd97fdf9bddd864d38d2f5bc46a Mon Sep 17 00:00:00 2001
From: Werner Zeh <werner.zeh@siemens.com>
Date: Tue, 10 Feb 2015 13:32:51 +0100
Subject: 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>
---
src/soc/intel/fsp_baytrail/baytrail/gpio.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
(limited to 'src')
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, \
--
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