| /* 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)); |
| } |