i2c.h 1.8 KB

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  1. /*
  2. * (C) Copyright 2012
  3. * Texas Instruments, <www.ti.com>
  4. *
  5. * SPDX-License-Identifier: GPL-2.0+
  6. */
  7. #ifndef _I2C_AM33XX_H_
  8. #define _I2C_AM33XX_H_
  9. #define I2C_BASE1 0x44E0B000
  10. #define I2C_BASE2 0x4802A000
  11. #define I2C_BASE3 0x4819C000
  12. #define I2C_BUS_MAX 3
  13. #define I2C_DEFAULT_BASE I2C_BASE1
  14. struct i2c {
  15. unsigned short revnb_lo; /* 0x00 */
  16. unsigned short res1;
  17. unsigned short revnb_hi; /* 0x04 */
  18. unsigned short res2[5];
  19. unsigned short sysc; /* 0x10 */
  20. unsigned short res3[9];
  21. unsigned short irqstatus_raw; /* 0x24 */
  22. unsigned short res4;
  23. unsigned short stat; /* 0x28 */
  24. unsigned short res5;
  25. unsigned short ie; /* 0x2C */
  26. unsigned short res6;
  27. unsigned short irqenable_clr; /* 0x30 */
  28. unsigned short res7;
  29. unsigned short iv; /* 0x34 */
  30. unsigned short res8[45];
  31. unsigned short syss; /* 0x90 */
  32. unsigned short res9;
  33. unsigned short buf; /* 0x94 */
  34. unsigned short res10;
  35. unsigned short cnt; /* 0x98 */
  36. unsigned short res11;
  37. unsigned short data; /* 0x9C */
  38. unsigned short res13;
  39. unsigned short res14; /* 0xA0 */
  40. unsigned short res15;
  41. unsigned short con; /* 0xA4 */
  42. unsigned short res16;
  43. unsigned short oa; /* 0xA8 */
  44. unsigned short res17;
  45. unsigned short sa; /* 0xAC */
  46. unsigned short res18;
  47. unsigned short psc; /* 0xB0 */
  48. unsigned short res19;
  49. unsigned short scll; /* 0xB4 */
  50. unsigned short res20;
  51. unsigned short sclh; /* 0xB8 */
  52. unsigned short res21;
  53. unsigned short systest; /* 0xBC */
  54. unsigned short res22;
  55. unsigned short bufstat; /* 0xC0 */
  56. unsigned short res23;
  57. };
  58. #define I2C_IP_CLK 48000000
  59. #define I2C_INTERNAL_SAMPLING_CLK 12000000
  60. #endif /* _I2C_AM33XX_H_ */