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kernel/linux-imx6_3.14.28/arch/arm/mach-s3c24xx/setup-spi.c 725 Bytes
6b13f685e   김민수   BSP 최초 추가
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  /*
   * HS-SPI device setup for S3C2443/S3C2416
   *
   * Copyright (C) 2011 Samsung Electronics Ltd.
   *		http://www.samsung.com/
   *
   * 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 <linux/platform_device.h>
  
  #include <plat/gpio-cfg.h>
  
  #include <mach/hardware.h>
  #include <mach/regs-gpio.h>
  
  #ifdef CONFIG_S3C64XX_DEV_SPI0
  int s3c64xx_spi0_cfg_gpio(void)
  {
  	/* enable hsspi bit in misccr */
  	s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1);
  
  	s3c_gpio_cfgall_range(S3C2410_GPE(11), 3,
  			      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  
  	return 0;
  }
  #endif