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kernel/linux-imx6_3.14.28/arch/arm/mach-s5pc100/setup-keypad.c 776 Bytes
6b13f685e   김민수   BSP 최초 추가
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  /* linux/arch/arm/mach-s5pc100/setup-keypad.c
   *
   * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   *		http://www.samsung.com/
   *
   * GPIO configuration for S5PC100 KeyPad device
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
  */
  
  #include <linux/gpio.h>
  #include <plat/gpio-cfg.h>
  
  void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
  {
  	/* Set all the necessary GPH3 pins to special-function 3: KP_ROW[x] */
  	s3c_gpio_cfgrange_nopull(S5PC100_GPH3(0), rows, S3C_GPIO_SFN(3));
  
  	/* Set all the necessary GPH2 pins to special-function 3: KP_COL[x] */
  	s3c_gpio_cfgrange_nopull(S5PC100_GPH2(0), cols, S3C_GPIO_SFN(3));
  }