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twl6040.txt

twl6040.txt 2.0 KB
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  1. Texas Instruments TWL6040 family
    2. 

  2. 

  3. The TWL6040s are 8-channel high quality low-power audio codecs providing audio,
    4. 

  4. vibra and GPO functionality on OMAP4+ platforms.
    5. 

  5. They are connected ot the host processor via i2c for commands, McPDM for audio
    6. 

  6. data and commands.
    7. 

  7. 

  8. Required properties:
    9. 

  9. - compatible : "ti,twl6040" for twl6040, "ti,twl6041" for twl6041
    10. 

  10. - reg: must be 0x4b for i2c address
    11. 

  11. - interrupts: twl6040 has one interrupt line connecteded to the main SoC
    12. 

  12. - interrupt-parent: The parent interrupt controller
    13. 

  13. - gpio-controller:
    14. 

  14. - #gpio-cells = <1>: twl6040 provides GPO lines.
    15. 

  15. - twl6040,audpwron-gpio: Power on GPIO line for the twl6040
    16. 

  16. 

  17. - vio-supply: Regulator for the twl6040 VIO supply
    18. 

  18. - v2v1-supply: Regulator for the twl6040 V2V1 supply
    19. 

  19. 

  20. Optional properties, nodes:
    21. 

  21. - enable-active-high: To power on the twl6040 during boot.
    22. 

  22. 

  23. Vibra functionality
    24. 

  24. Required properties:
    25. 

  25. - vddvibl-supply: Regulator for the left vibra motor
    26. 

  26. - vddvibr-supply: Regulator for the right vibra motor
    27. 

  27. - vibra { }: Configuration section for vibra parameters containing the following
    28. 

  28. 	     properties:
    29. 

  29. - ti,vibldrv-res: Resistance parameter for left driver
    30. 

  30. - ti,vibrdrv-res: Resistance parameter for right driver
    31. 

  31. - ti,viblmotor-res: Resistance parameter for left motor
    32. 

  32. - ti,viblmotor-res: Resistance parameter for right motor
    33. 

  33. 

  34. Optional properties within vibra { } section:
    35. 

  35. - vddvibl_uV: If the vddvibl default voltage need to be changed
    36. 

  36. - vddvibr_uV: If the vddvibr default voltage need to be changed
    37. 

  37. 

  38. Example:
    39. 

  39. &i2c1 {
    40. 

  40. 	twl6040: twl@4b {
    41. 

  41. 		compatible = "ti,twl6040";
    42. 

  42. 

  43. 		interrupts = <0 119 4>;
    44. 

  44. 		interrupt-parent = <&gic>;
    45. 

  45. 		twl6040,audpwron-gpio = <&gpio4 31 0>;
    46. 

  46. 

  47. 		vio-supply = <&v1v8>;
    48. 

  48. 		v2v1-supply = <&v2v1>;
    49. 

  49. 		enable-active-high;
    50. 

  50. 

  51. 		/* regulators for vibra motor */
    52. 

  52. 		vddvibl-supply = <&vbat>;
    53. 

  53. 		vddvibr-supply = <&vbat>;
    54. 

  54. 

  55. 		vibra {
    56. 

  56. 			/* Vibra driver, motor resistance parameters */
    57. 

  57. 			ti,vibldrv-res = <8>;
    58. 

  58. 			ti,vibrdrv-res = <3>;
    59. 

  59. 			ti,viblmotor-res = <10>;
    60. 

  60. 			ti,vibrmotor-res = <10>;
    61. 

  61. 		};
    62. 

  62. 	};
    63. 

  63. };
    64. 

  64. 

  65. /include/ "twl6040.dtsi"
    66.