1// SPDX-License-Identifier: GPL-2.0 2// 3// Copyright (c) 2010 Samsung Electronics Co., Ltd. 4// http://www.samsung.com/ 5// 6// GPIO configuration for S3C64XX KeyPad device 7 8#include <linux/gpio.h> 9#include <plat/gpio-cfg.h> 10#include <plat/keypad.h> 11#include <mach/gpio-samsung.h> 12 13void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) 14{ 15 /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ 16 s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); 17 18 /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ 19 s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); 20} 21