1 | // SPDX-License-Identifier: GPL-2.0 |
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2 | // |
3 | // Copyright (c) 2010 Samsung Electronics Co., Ltd. |
4 | // http://www.samsung.com/ |
5 | // |
6 | // GPIO configuration for S3C64XX KeyPad device |
7 | |
8 | #include <linux/gpio.h> |
9 | #include "gpio-cfg.h" |
10 | #include "keypad.h" |
11 | #include "gpio-samsung.h" |
12 | |
13 | void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) |
14 | { |
15 | /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ |
16 | s3c_gpio_cfgrange_nopull(pin: S3C64XX_GPK(8), size: rows, S3C_GPIO_SFN(3)); |
17 | |
18 | /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ |
19 | s3c_gpio_cfgrange_nopull(pin: S3C64XX_GPL(0), size: cols, S3C_GPIO_SFN(3)); |
20 | } |
21 |