spi-bus1-gpd8_9_10.c 1.2 KB

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  1. /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpd8_9_10.c
  2. *
  3. * Copyright (c) 2008 Simtec Electronics
  4. * http://armlinux.simtec.co.uk/
  5. * Ben Dooks <ben@simtec.co.uk>
  6. *
  7. * S3C24XX SPI - gpio configuration for bus 1 on gpd8,9,10
  8. *
  9. * This program is free software; you can redistribute it and/or modify
  10. * it under the terms of the GNU General Public License as published by
  11. * the Free Software Foundation; either version 2 of the License.
  12. */
  13. #include <linux/kernel.h>
  14. #include <linux/gpio.h>
  15. #include <mach/spi.h>
  16. #include <mach/regs-gpio.h>
  17. void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi,
  18. int enable)
  19. {
  20. printk(KERN_INFO "%s(%d)\n", __func__, enable);
  21. if (enable) {
  22. s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1);
  23. s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1);
  24. s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1);
  25. s3c2410_gpio_pullup(S3C2410_GPD(10), 0);
  26. s3c2410_gpio_pullup(S3C2410_GPD(9), 0);
  27. } else {
  28. s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT);
  29. s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT);
  30. s3c_gpio_setpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE);
  31. s3c_gpio_setpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
  32. s3c_gpio_setpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE);
  33. }
  34. }