| Krzysztof Kozlowski | 28a196f | 2017-12-25 20:54:33 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // |
| 3 | // Copyright (c) 2010 Samsung Electronics Co., Ltd. |
| 4 | // http://www.samsung.com/ |
| 5 | // |
| 6 | // GPIO configuration for S3C64XX KeyPad device |
| Naveen Krishna Ch | 290d098 | 2010-06-22 07:39:18 +0900 | [diff] [blame] | 7 | |
| 8 | #include <linux/gpio.h> |
| 9 | #include <plat/gpio-cfg.h> |
| Mark Brown | 821c3a3 | 2010-10-13 18:23:39 +0900 | [diff] [blame] | 10 | #include <plat/keypad.h> |
| Linus Walleij | b0161ca | 2014-01-14 14:24:24 +0100 | [diff] [blame] | 11 | #include <mach/gpio-samsung.h> |
| Naveen Krishna Ch | 290d098 | 2010-06-22 07:39:18 +0900 | [diff] [blame] | 12 | |
| 13 | void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) |
| 14 | { |
| Naveen Krishna Ch | 290d098 | 2010-06-22 07:39:18 +0900 | [diff] [blame] | 15 | /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ |
| Ben Dooks | b3f639c | 2011-03-02 15:19:15 +0900 | [diff] [blame] | 16 | s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); |
| Naveen Krishna Ch | 290d098 | 2010-06-22 07:39:18 +0900 | [diff] [blame] | 17 | |
| 18 | /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ |
| Kukjin Kim | 3e9b726 | 2010-10-01 20:20:37 +0900 | [diff] [blame] | 19 | s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); |
| Naveen Krishna Ch | 290d098 | 2010-06-22 07:39:18 +0900 | [diff] [blame] | 20 | } |