/* linux/arch/arm/mach-s3c64xx/setup-keypad.c * * Copyright (c) 2010 Samsung Electronics Co., Ltd. * http://www.samsung.com/ * * GPIO configuration for S3C64XX KeyPad device * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/gpio.h> #include <plat/gpio-cfg.h> #include <plat/keypad.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)); }