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authorTom Warren <twarren.nvidia@gmail.com>2011-06-17 06:27:28 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-07-04 10:55:26 +0200
commit4e5ae09e56a205685824ebebc91fc43c8b0b973a (patch)
treedaba36fd40c7a020dfd47260f191327c11c8f6d6 /arch/arm/include/asm/gpio.h
parentf3108304e4c1f7c42fad858d8a73797bcd7f80c6 (diff)
downloadtalos-obmc-uboot-4e5ae09e56a205685824ebebc91fc43c8b0b973a.tar.gz
talos-obmc-uboot-4e5ae09e56a205685824ebebc91fc43c8b0b973a.zip
GPIO: Tegra2: add GPIO driver for Tegra2
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch/arm/include/asm/gpio.h')
-rw-r--r--arch/arm/include/asm/gpio.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
new file mode 100644
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+++ b/arch/arm/include/asm/gpio.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2011, NVIDIA Corp. All rights reserved.
+ * 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 _GPIO_H_
+#define _GPIO_H_
+
+#include <asm/arch/gpio.h>
+/*
+ * Generic GPIO API
+ */
+
+int gpio_request(int gp, const char *label);
+void gpio_free(int gp);
+void gpio_toggle_value(int gp);
+int gpio_direction_input(int gp);
+int gpio_direction_output(int gp, int value);
+int gpio_get_value(int gp);
+void gpio_set_value(int gp, int value);
+
+#endif /* _GPIO_H_ */
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