setup-spi.c 933 B

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  1. /* linux/arch/arm/mach-s5p64x0/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. #include <linux/gpio.h>
  11. #include <plat/gpio-cfg.h>
  12. #ifdef CONFIG_S3C64XX_DEV_SPI0
  13. int s3c64xx_spi0_cfg_gpio(void)
  14. {
  15. if (soc_is_s5p6450())
  16. s3c_gpio_cfgall_range(S5P6450_GPC(0), 3,
  17. S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  18. else
  19. s3c_gpio_cfgall_range(S5P6440_GPC(0), 3,
  20. S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  21. return 0;
  22. }
  23. #endif
  24. #ifdef CONFIG_S3C64XX_DEV_SPI1
  25. int s3c64xx_spi1_cfg_gpio(void)
  26. {
  27. if (soc_is_s5p6450())
  28. s3c_gpio_cfgall_range(S5P6450_GPC(4), 3,
  29. S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  30. else
  31. s3c_gpio_cfgall_range(S5P6440_GPC(4), 3,
  32. S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  33. return 0;
  34. }
  35. #endif