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authorAlessandro Rubini <rubini@unipv.it>2009-07-24 11:27:03 +0200
committerHeiko Schocher <hs@denx.de>2009-07-29 09:57:46 +0200
commit60cbfbfd0fbebb4682f10ba96f622bfe17317598 (patch)
treeeadb6349ce6c61a5ba432b791bb05ce221e1c66e /include/asm-arm
parent549b98306d897ae5991362d6096a36df50efe686 (diff)
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arm nomadik: add gpio support
Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-nomadik/gpio.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-nomadik/gpio.h b/include/asm-arm/arch-nomadik/gpio.h
new file mode 100644
index 0000000..1d3c9ce
--- /dev/null
+++ b/include/asm-arm/arch-nomadik/gpio.h
@@ -0,0 +1,42 @@
+/*
+ * (C) Copyright 2009 Alessandro Rubini
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef __NMK_GPIO_H__
+#define __NMK_GPIO_H__
+
+/*
+ * These functions are called from the soft-i2c driver, but
+ * are also used by board files to set output bits.
+ */
+
+enum nmk_af { /* alternate function settings */
+ GPIO_GPIO = 0,
+ GPIO_ALT_A,
+ GPIO_ALT_B,
+ GPIO_ALT_C
+};
+
+extern void nmk_gpio_af(int gpio, int alternate_function);
+extern void nmk_gpio_dir(int gpio, int dir);
+extern void nmk_gpio_set(int gpio, int val);
+extern int nmk_gpio_get(int gpio);
+
+#endif /* __NMK_GPIO_H__ */