arch/arm/mach-s5pc100/setup-spi.c

   1 /* linux/arch/arm/mach-s5pc100/setup-spi.c
   2  *
   3  * Copyright (C) 2011 Samsung Electronics Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/gpio.h>
  12 #include <plat/gpio-cfg.h>
  13
  14 #ifdef CONFIG_S3C64XX_DEV_SPI0
  15 int s3c64xx_spi0_cfg_gpio(void)
  16 {
  17         s3c_gpio_cfgall_range(S5PC100_GPB(0), 3,
  18                                 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  19         return 0;
  20 }
  21 #endif
  22
  23 #ifdef CONFIG_S3C64XX_DEV_SPI1
  24 int s3c64xx_spi1_cfg_gpio(void)
  25 {
  26         s3c_gpio_cfgall_range(S5PC100_GPB(4), 3,
  27                                 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  28         return 0;
  29 }
  30 #endif
  31
  32 #ifdef CONFIG_S3C64XX_DEV_SPI2
  33 int s3c64xx_spi2_cfg_gpio(void)
  34 {
  35         s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
  36         s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
  37         s3c_gpio_cfgall_range(S5PC100_GPB(2), 2,
  38                                 S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
  39         return 0;
  40 }
  41 #endif