1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun // 3*4882a593Smuzhiyun // Copyright (c) 2010 Samsung Electronics Co., Ltd. 4*4882a593Smuzhiyun // http://www.samsung.com/ 5*4882a593Smuzhiyun // 6*4882a593Smuzhiyun // GPIO configuration for S3C64XX KeyPad device 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/gpio.h> 9*4882a593Smuzhiyun #include "gpio-cfg.h" 10*4882a593Smuzhiyun #include "keypad.h" 11*4882a593Smuzhiyun #include "gpio-samsung.h" 12*4882a593Smuzhiyun samsung_keypad_cfg_gpio(unsigned int rows,unsigned int cols)13*4882a593Smuzhiyunvoid samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) 14*4882a593Smuzhiyun { 15*4882a593Smuzhiyun /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ 16*4882a593Smuzhiyun s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ 19*4882a593Smuzhiyun s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); 20*4882a593Smuzhiyun } 21