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+/* linux/arch/arm/plat-s3c/include/plat/regs-keypad.h
+ *
+ * S3C Key Interface register definitions
+ *
+ * Kim Kyoungil, Copyright (c) 2006-2009 Samsung Electronics
+ * http://www.samsungsemi.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 __ASM_ARCH_REGS_KEYPAD_H
+#define __ASM_ARCH_REGS_KEYPAD_H
+
+/*
+ * Keypad Interface
+ */
+#define S3C_KEYPADREG(x) (x)
+
+/* KEYIF registers */
+#define S3C_KEYIFCON S3C_KEYPADREG(0x00)
+#define S3C_KEYIFSTSCLR S3C_KEYPADREG(0x04)
+#define S3C_KEYIFCOL S3C_KEYPADREG(0x08)
+#define S3C_KEYIFROW S3C_KEYPADREG(0x0C)
+#define S3C_KEYIFFC S3C_KEYPADREG(0x10)
+
+/* KEYIFCON fields */
+#define S3C_KEYIF_INT_F_EN (1 << 0) /*falling edge(key-pressed) interuppt enable*/
+#define S3C_KEYIF_INT_R_EN (1 << 1) /*rising edge(key-released) interuppt enable*/
+#define S3C_KEYIF_DF_EN (1 << 2) /*debouncing filter enable*/
+#define S3C_KEYIF_FC_EN (1 << 3) /*filter clock enable*/
+#define S3C_KEYIF_CON_MASK_ALL (0x1f)
+
+/* KEYIFSTSCLR fields */
+#define S3C_KEYIF_STSCLR_CLEAR (0xffff)
+
+/* KEYIFCOL fields */
+#define S3C_KEYIF_COL_DMASK (0xff)
+#define S3C_KEYIF_COL_MASK_ALL (0xffff)
+
+/* KEYIFROW fields */
+#define S3C_KEYIF_ROW_DMASK (0xff)
+
+/* KEYIFFC fields */
+#define S3C_KEYIF_FILTER_VAL (1)
+
+#endif /* __ASM_ARCH_REGS_KEYPAD_H */
+