1 files changed, 52 insertions, 0 deletions

diff --git a/include/linux/platform_data/keypad-omap.h b/include/linux/platform_data/keypad-omap.h
new file mode 100644
index 000000000000..a6b21eddb212
--- /dev/null
+++ b/include/linux/platform_data/keypad-omap.h
@@ -0,0 +1,52 @@
+/*
+ *  arch/arm/plat-omap/include/mach/keypad.h
+ *
+ *  Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
+ *
+ * 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 ASMARM_ARCH_KEYPAD_H
+#define ASMARM_ARCH_KEYPAD_H
+
+#ifndef CONFIG_ARCH_OMAP1
+#warning Please update the board to use matrix-keypad driver
+#define omap_readw(reg)         0
+#define omap_writew(val, reg)   do {} while (0)
+#endif
+#include <linux/input/matrix_keypad.h>
+
+struct omap_kp_platform_data {
+        int rows;
+        int cols;
+        const struct matrix_keymap_data *keymap_data;
+        bool rep;
+        unsigned long delay;
+        bool dbounce;
+        /* specific to OMAP242x*/
+        unsigned int *row_gpios;
+        unsigned int *col_gpios;
+};
+
+/* Group (0..3) -- when multiple keys are pressed, only the
+ * keys pressed in the same group are considered as pressed. This is
+ * in order to workaround certain crappy HW designs that produce ghost
+ * keypresses. Two free bits, not used by neither row/col nor keynum,
+ * must be available for use as group bits. The below GROUP_SHIFT
+ * macro definition is based on some prior knowledge of the
+ * matrix_keypad defined KEY() macro internals.
+ */
+#define GROUP_SHIFT     14
+#define GROUP_0         (0 << GROUP_SHIFT)
+#define GROUP_1         (1 << GROUP_SHIFT)
+#define GROUP_2         (2 << GROUP_SHIFT)
+#define GROUP_3         (3 << GROUP_SHIFT)
+#define GROUP_MASK      GROUP_3
+#if KEY_MAX & GROUP_MASK
+#error Group bits in conflict with keynum bits
+#endif
+
+
+#endif
+