21 lines
625 B
C
21 lines
625 B
C
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// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2010 Samsung Electronics Co., Ltd.
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// http://www.samsung.com/
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//
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// GPIO configuration for S3C64XX KeyPad device
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#include <linux/gpio.h>
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#include <plat/gpio-cfg.h>
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#include <plat/keypad.h>
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#include <mach/gpio-samsung.h>
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void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
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{
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/* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */
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s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3));
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/* Set all the necessary GPL pins to special-function 3: KP_COL[x] */
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s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3));
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}
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