162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci// 362306a36Sopenharmony_ci// Copyright (c) 2010 Samsung Electronics Co., Ltd. 462306a36Sopenharmony_ci// http://www.samsung.com/ 562306a36Sopenharmony_ci// 662306a36Sopenharmony_ci// GPIO configuration for S3C64XX KeyPad device 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <linux/gpio.h> 962306a36Sopenharmony_ci#include "gpio-cfg.h" 1062306a36Sopenharmony_ci#include "keypad.h" 1162306a36Sopenharmony_ci#include "gpio-samsung.h" 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_civoid samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) 1462306a36Sopenharmony_ci{ 1562306a36Sopenharmony_ci /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ 1662306a36Sopenharmony_ci s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ 1962306a36Sopenharmony_ci s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); 2062306a36Sopenharmony_ci} 21