[PATCH 3/4] [ARM][S3C] Add definition for keypad register
From: jsgood.yang at samsung.com <hidden>
Date: 2009-09-09 11:11:38
Also in:
linux-input
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: Jinsung Yang <redacted> This patch introduce keypad registers and fields for Samsung keypad interface driver. Signed-off-by: Jinsung Yang <redacted> Signed-off-by: Kyeongil Kim <redacted> --- arch/arm/plat-s3c/include/plat/regs-keypad.h | 50 ++++++++++++++++++++++++++ 1 files changed, 50 insertions(+), 0 deletions(-) create mode 100644 arch/arm/plat-s3c/include/plat/regs-keypad.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-keypad.h b/arch/arm/plat-s3c/include/plat/regs-keypad.h
new file mode 100644
index 0000000..24bd66e
--- /dev/null
+++ b/arch/arm/plat-s3c/include/plat/regs-keypad.h@@ -0,0 +1,50 @@ +/* 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 */ +
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1.6.2.5