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renesas,sci-serial.txt

renesas,sci-serial.txt 3.2 KB
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  1. * Renesas SH-Mobile Serial Communication Interface
    2. 

  2. 

  3. Required properties:
    4. 

  4. 

  5.   - compatible: Must contain one of the following:
    6. 

  6. 

  7.     - "renesas,scif-r7s72100" for R7S72100 (RZ/A1H) SCIF compatible UART.
    8. 

  8.     - "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART.
    9. 

  9.     - "renesas,scifb-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFB compatible UART.
    10. 

  10.     - "renesas,scifa-r8a7740" for R8A7740 (R-Mobile A1) SCIFA compatible UART.
    11. 

  11.     - "renesas,scifb-r8a7740" for R8A7740 (R-Mobile A1) SCIFB compatible UART.
    12. 

  12.     - "renesas,scif-r8a7778" for R8A7778 (R-Car M1) SCIF compatible UART.
    13. 

  13.     - "renesas,scif-r8a7779" for R8A7779 (R-Car H1) SCIF compatible UART.
    14. 

  14.     - "renesas,scif-r8a7790" for R8A7790 (R-Car H2) SCIF compatible UART.
    15. 

  15.     - "renesas,scifa-r8a7790" for R8A7790 (R-Car H2) SCIFA compatible UART.
    16. 

  16.     - "renesas,scifb-r8a7790" for R8A7790 (R-Car H2) SCIFB compatible UART.
    17. 

  17.     - "renesas,hscif-r8a7790" for R8A7790 (R-Car H2) HSCIF compatible UART.
    18. 

  18.     - "renesas,scif-r8a7791" for R8A7791 (R-Car M2) SCIF compatible UART.
    19. 

  19.     - "renesas,scifa-r8a7791" for R8A7791 (R-Car M2) SCIFA compatible UART.
    20. 

  20.     - "renesas,scifb-r8a7791" for R8A7791 (R-Car M2) SCIFB compatible UART.
    21. 

  21.     - "renesas,hscif-r8a7791" for R8A7791 (R-Car M2) HSCIF compatible UART.
    22. 

  22.     - "renesas,scif-r8a7794" for R8A7794 (R-Car E2) SCIF compatible UART.
    23. 

  23.     - "renesas,scifa-r8a7794" for R8A7794 (R-Car E2) SCIFA compatible UART.
    24. 

  24.     - "renesas,scifb-r8a7794" for R8A7794 (R-Car E2) SCIFB compatible UART.
    25. 

  25.     - "renesas,hscif-r8a7794" for R8A7794 (R-Car E2) HSCIF compatible UART.
    26. 

  26.     - "renesas,scif-r8a7795" for R8A7795 (R-Car H3) SCIF compatible UART.
    27. 

  27.     - "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART.
    28. 

  28.     - "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART.
    29. 

  29.     - "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART.
    30. 

  30.     - "renesas,scif" for generic SCIF compatible UART.
    31. 

  31.     - "renesas,scifa" for generic SCIFA compatible UART.
    32. 

  32.     - "renesas,scifb" for generic SCIFB compatible UART.
    33. 

  33.     - "renesas,hscif" for generic HSCIF compatible UART.
    34. 

  34.     - "renesas,sci" for generic SCI compatible UART.
    35. 

  35. 

  36.     When compatible with the generic version, nodes must list the
    37. 

  37.     SoC-specific version corresponding to the platform first followed by the
    38. 

  38.     generic version.
    39. 

  39. 

  40.   - reg: Base address and length of the I/O registers used by the UART.
    41. 

  41.   - interrupts: Must contain an interrupt-specifier for the SCIx interrupt.
    42. 

  42. 

  43.   - clocks: Must contain a phandle and clock-specifier pair for each entry
    44. 

  44.     in clock-names.
    45. 

  45.   - clock-names: Must contain "sci_ick" for the SCIx UART interface clock.
    46. 

  46. 

  47. Note: Each enabled SCIx UART should have an alias correctly numbered in the
    48. 

  48. "aliases" node.
    49. 

  49. 

  50. Optional properties:
    51. 

  51.   - dmas: Must contain a list of two references to DMA specifiers, one for
    52. 

  52. 	  transmission, and one for reception.
    53. 

  53.   - dma-names: Must contain a list of two DMA names, "tx" and "rx".
    54. 

  54. 

  55. Example:
    56. 

  56. 	aliases {
    57. 

  57. 		serial0 = &scifa0;
    58. 

  58. 	};
    59. 

  59. 

  60. 	scifa0: serial@e6c40000 {
    61. 

  61. 		compatible = "renesas,scifa-r8a7790", "renesas,scifa";
    62. 

  62. 		reg = <0 0xe6c40000 0 64>;
    63. 

  63. 		interrupt-parent = <&gic>;
    64. 

  64. 		interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>;
    65. 

  65. 		clocks = <&mstp2_clks R8A7790_CLK_SCIFA0>;
    66. 

  66. 		clock-names = "sci_ick";
    67. 

  67. 		dmas = <&dmac0 0x21>, <&dmac0 0x22>;
    68. 

  68. 		dma-names = "tx", "rx";
    69. 

  69. 	};
    70.