setup-spi.c 1.0 KB

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  1. /* linux/arch/arm/mach-s3c64xx/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 <linux/platform_device.h>
  12. #include <plat/gpio-cfg.h>
  13. #include <plat/s3c64xx-spi.h>
  14. #ifdef CONFIG_S3C64XX_DEV_SPI0
  15. struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
  16. .fifo_lvl_mask = 0x7f,
  17. .rx_lvl_offset = 13,
  18. .tx_st_done = 21,
  19. };
  20. int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
  21. {
  22. s3c_gpio_cfgall_range(S3C64XX_GPC(0), 3,
  23. S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  24. return 0;
  25. }
  26. #endif
  27. #ifdef CONFIG_S3C64XX_DEV_SPI1
  28. struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
  29. .fifo_lvl_mask = 0x7f,
  30. .rx_lvl_offset = 13,
  31. .tx_st_done = 21,
  32. };
  33. int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
  34. {
  35. s3c_gpio_cfgall_range(S3C64XX_GPC(4), 3,
  36. S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
  37. return 0;
  38. }
  39. #endif