1 /*
2  * linux/arch/arm/mach-s5pv210/setup-keypad.c
3  *
4  * Copyright (C) 2010 Samsung Electronics Co.Ltd
5  * Author: Joonyoung Shim <jy0922.shim@samsung.com>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  */
13 
14 #include <linux/gpio.h>
15 #include <plat/gpio-cfg.h>
16 
samsung_keypad_cfg_gpio(unsigned int rows,unsigned int cols)17 void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
18 {
19 	/* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
20 	s3c_gpio_cfgrange_nopull(S5PV210_GPH3(0), rows, S3C_GPIO_SFN(3));
21 
22 	/* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
23 	s3c_gpio_cfgrange_nopull(S5PV210_GPH2(0), cols, S3C_GPIO_SFN(3));
24 }
25