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Diffstat (limited to 'arch/arm/plat-omap/include/mach/gpioexpander.h')
-rw-r--r--arch/arm/plat-omap/include/mach/gpioexpander.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h
new file mode 100644
index 0000000..90444a0
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/gpioexpander.h
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/plat-omap/include/mach/gpioexpander.h
+ *
+ *
+ * Copyright (C) 2004 Texas Instruments, Inc.
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
+#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
+
+/* Function Prototypes for GPIO Expander functions */
+
+#ifdef CONFIG_GPIOEXPANDER_OMAP
+int read_gpio_expa(u8 *, int);
+int write_gpio_expa(u8 , int);
+#else
+static inline int read_gpio_expa(u8 *val, int addr)
+{
+ return 0;
+}
+static inline int write_gpio_expa(u8 val, int addr)
+{
+ return 0;
+}
+#endif
+
+#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
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