Blame view

kernel/linux-imx6_3.14.28/arch/arm/mach-s5pc100/setup-spi.c 977 Bytes
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
  /* linux/arch/arm/mach-s5pc100/setup-spi.c
   *
   * 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 <plat/gpio-cfg.h>
  
  #ifdef CONFIG_S3C64XX_DEV_SPI0
  int s3c64xx_spi0_cfg_gpio(void)
  {
  	s3c_gpio_cfgall_range(S5PC100_GPB(0), 3,
  				S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  	return 0;
  }
  #endif
  
  #ifdef CONFIG_S3C64XX_DEV_SPI1
  int s3c64xx_spi1_cfg_gpio(void)
  {
  	s3c_gpio_cfgall_range(S5PC100_GPB(4), 3,
  				S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  	return 0;
  }
  #endif
  
  #ifdef CONFIG_S3C64XX_DEV_SPI2
  int s3c64xx_spi2_cfg_gpio(void)
  {
  	s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
  	s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
  	s3c_gpio_cfgall_range(S5PC100_GPB(2), 2,
  				S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
  	return 0;
  }
  #endif