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)17void 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