171b9114dSArnd Bergmann // SPDX-License-Identifier: GPL-2.0 271b9114dSArnd Bergmann // 371b9114dSArnd Bergmann // Copyright (c) 2010 Samsung Electronics Co., Ltd. 471b9114dSArnd Bergmann // http://www.samsung.com/ 571b9114dSArnd Bergmann // 671b9114dSArnd Bergmann // GPIO configuration for S3C64XX KeyPad device 771b9114dSArnd Bergmann 871b9114dSArnd Bergmann #include <linux/gpio.h> 9c6ff132dSArnd Bergmann #include "gpio-cfg.h" 10c6ff132dSArnd Bergmann #include "keypad.h" 11c6ff132dSArnd Bergmann #include "gpio-samsung.h" 1271b9114dSArnd Bergmann samsung_keypad_cfg_gpio(unsigned int rows,unsigned int cols)1371b9114dSArnd Bergmannvoid samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) 1471b9114dSArnd Bergmann { 1571b9114dSArnd Bergmann /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ 1671b9114dSArnd Bergmann s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); 1771b9114dSArnd Bergmann 1871b9114dSArnd Bergmann /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ 1971b9114dSArnd Bergmann s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); 2071b9114dSArnd Bergmann } 21