1 /* linux/arch/arm/mach-s5pc100/setup-keypad.c
2  *
3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4  *		http://www.samsung.com/
5  *
6  * GPIO configuration for S5PC100 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>
15 
samsung_keypad_cfg_gpio(unsigned int rows,unsigned int cols)16 void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
17 {
18 	/* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
19 	s3c_gpio_cfgrange_nopull(S5PC100_GPH3(0), rows, S3C_GPIO_SFN(3));
20 
21 	/* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
22 	s3c_gpio_cfgrange_nopull(S5PC100_GPH2(0), cols, S3C_GPIO_SFN(3));
23 }
24