summaryrefslogtreecommitdiff
path: root/arch/arm/mach-s3c/setup-keypad-s3c64xx.c
blob: 8463ad37c6ab2fa14e0782de83c02f3813f98b5a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2010 Samsung Electronics Co., Ltd.
//		http://www.samsung.com/
//
// GPIO configuration for S3C64XX KeyPad device

#include <linux/gpio.h>
#include "gpio-cfg.h"
#include "keypad.h"
#include "gpio-samsung.h"

void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
{
	/* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */
	s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3));

	/* Set all the necessary GPL pins to special-function 3: KP_COL[x] */
	s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3));
}