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290d0983 NKC |
1 | /* linux/arch/arm/mach-s3c64xx/setup-keypad.c |
2 | * | |
3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | |
4 | * http://www.samsung.com/ | |
5 | * | |
6 | * GPIO configuration for S3C64XX KeyPad device | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/gpio.h> | |
14 | #include <plat/gpio-cfg.h> | |
821c3a35 | 15 | #include <plat/keypad.h> |
290d0983 NKC |
16 | |
17 | void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) | |
18 | { | |
290d0983 | 19 | /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ |
b3f639c4 | 20 | s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); |
290d0983 NKC |
21 | |
22 | /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ | |
3e9b7261 | 23 | s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); |
290d0983 | 24 | } |