1 files changed, 54 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/gpio-switch.h b/arch/arm/plat-omap/include/plat/gpio-switch.h
new file mode 100644
index 000000000000..10da0e07c0cf
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/gpio-switch.h
@@ -0,0 +1,54 @@
+/*
+ * GPIO switch definitions
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ *
+ * This program 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.
+ */
+
+#ifndef __ASM_ARCH_OMAP_GPIO_SWITCH_H
+#define __ASM_ARCH_OMAP_GPIO_SWITCH_H
+
+#include <linux/types.h>
+
+/* Cover:
+ *      high -> closed
+ *      low  -> open
+ * Connection:
+ *      high -> connected
+ *      low  -> disconnected
+ * Activity:
+ *      high -> active
+ *      low  -> inactive
+ *
+ */
+#define OMAP_GPIO_SWITCH_TYPE_COVER             0x0000
+#define OMAP_GPIO_SWITCH_TYPE_CONNECTION        0x0001
+#define OMAP_GPIO_SWITCH_TYPE_ACTIVITY          0x0002
+#define OMAP_GPIO_SWITCH_FLAG_INVERTED          0x0001
+#define OMAP_GPIO_SWITCH_FLAG_OUTPUT            0x0002
+
+struct omap_gpio_switch {
+        const char *name;
+        s16 gpio;
+        unsigned flags:4;
+        unsigned type:4;
+
+        /* Time in ms to debounce when transitioning from
+         * inactive state to active state. */
+        u16 debounce_rising;
+        /* Same for transition from active to inactive state. */
+        u16 debounce_falling;
+
+        /* notify board-specific code about state changes */
+        void (* notify)(void *data, int state);
+        void *notify_data;
+};
+
+/* Call at init time only */
+extern void omap_register_gpio_switches(const struct omap_gpio_switch *tbl,
+                                        int count);
+
+#endif