dev-i2c5.c 1.5 KB

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  1. /* linux/arch/arm/plat-samsung/dev-i2c3.c
  2. *
  3. * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  4. * http://www.samsung.com/
  5. *
  6. * S5P series device definition for i2c device 3
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. */
  12. #include <linux/gfp.h>
  13. #include <linux/kernel.h>
  14. #include <linux/string.h>
  15. #include <linux/platform_device.h>
  16. #include <mach/irqs.h>
  17. #include <mach/map.h>
  18. #include <plat/regs-iic.h>
  19. #include <plat/iic.h>
  20. #include <plat/devs.h>
  21. #include <plat/cpu.h>
  22. static struct resource s3c_i2c_resource[] = {
  23. [0] = {
  24. .start = S3C_PA_IIC5,
  25. .end = S3C_PA_IIC5 + SZ_4K - 1,
  26. .flags = IORESOURCE_MEM,
  27. },
  28. [1] = {
  29. .start = IRQ_IIC5,
  30. .end = IRQ_IIC5,
  31. .flags = IORESOURCE_IRQ,
  32. },
  33. };
  34. struct platform_device s3c_device_i2c5 = {
  35. .name = "s3c2440-i2c",
  36. .id = 5,
  37. .num_resources = ARRAY_SIZE(s3c_i2c_resource),
  38. .resource = s3c_i2c_resource,
  39. };
  40. static struct s3c2410_platform_i2c default_i2c_data5 __initdata = {
  41. .flags = 0,
  42. .bus_num = 5,
  43. .slave_addr = 0x10,
  44. .frequency = 100*1000,
  45. .sda_delay = 100,
  46. };
  47. void __init s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *pd)
  48. {
  49. struct s3c2410_platform_i2c *npd;
  50. if (!pd)
  51. pd = &default_i2c_data5;
  52. npd = kmemdup(pd, sizeof(struct s3c2410_platform_i2c), GFP_KERNEL);
  53. if (!npd)
  54. printk(KERN_ERR "%s: no memory for platform data\n", __func__);
  55. else if (!npd->cfg_gpio)
  56. npd->cfg_gpio = s3c_i2c5_cfg_gpio;
  57. s3c_device_i2c5.dev.platform_data = npd;
  58. }