[net-next-2.6.git] / arch / arm / mach-s5pv210 / setup-keypad.c

/*
 * linux/arch/arm/mach-s5pv210/setup-keypad.c
 *
 * Copyright (C) 2010 Samsung Electronics Co.Ltd
 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/gpio.h>
#include <plat/gpio-cfg.h>

void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
{
	/* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
	s3c_gpio_cfgrange_nopull(S5PV210_GPH3(0), rows, S3C_GPIO_SFN(3));

	/* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
	s3c_gpio_cfgrange_nopull(S5PV210_GPH2(0), cols, S3C_GPIO_SFN(3));
}
Commit	Line	Data
e7d0628c JS	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
	17	void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
	18	{
e7d0628c	19	/* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
a7aac9d5	20	s3c_gpio_cfgrange_nopull(S5PV210_GPH3(0), rows, S3C_GPIO_SFN(3));
e7d0628c JS	21
e7d0628c JS	22	/* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
a7aac9d5	23	s3c_gpio_cfgrange_nopull(S5PV210_GPH2(0), cols, S3C_GPIO_SFN(3));
e7d0628c	24	}