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k3-dw-mshc.txt

k3-dw-mshc.txt 2.1 KB
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  1. * Hisilicon specific extensions to the Synopsys Designware Mobile
    2. 

  2.   Storage Host Controller
    3. 

  3. 

  4. Read synopsys-dw-mshc.txt for more details
    5. 

  5. 

  6. The Synopsys designware mobile storage host controller is used to interface
    7. 

  7. a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
    8. 

  8. differences between the core Synopsys dw mshc controller properties described
    9. 

  9. by synopsys-dw-mshc.txt and the properties used by the Hisilicon specific
    10. 

  10. extensions to the Synopsys Designware Mobile Storage Host Controller.
    11. 

  11. 

  12. Required Properties:
    13. 

  13. 

  14. * compatible: should be one of the following.
    15. 

  15.   - "hisilicon,hi3660-dw-mshc": for controllers with hi3660 specific extensions.
    16. 

  16.   - "hisilicon,hi4511-dw-mshc": for controllers with hi4511 specific extensions.
    17. 

  17.   - "hisilicon,hi6220-dw-mshc": for controllers with hi6220 specific extensions.
    18. 

  18. 

  19. Optional Properties:
    20. 

  20. - hisilicon,peripheral-syscon: phandle of syscon used to control peripheral.
    21. 

  21. 

  22. Example:
    23. 

  23. 

  24. 	/* for Hi3620 */
    25. 

  25. 

  26. 	/* SoC portion */
    27. 

  27. 	dwmmc_0: dwmmc0@fcd03000 {
    28. 

  28. 		compatible = "hisilicon,hi4511-dw-mshc";
    29. 

  29. 		reg = <0xfcd03000 0x1000>;
    30. 

  30. 		interrupts = <0 16 4>;
    31. 

  31. 		#address-cells = <1>;
    32. 

  32. 		#size-cells = <0>;
    33. 

  33. 		clocks = <&mmc_clock HI3620_SD_CIUCLK>, <&clock HI3620_DDRC_PER_CLK>;
    34. 

  34. 		clock-names = "ciu", "biu";
    35. 

  35. 	};
    36. 

  36. 

  37. 	/* Board portion */
    38. 

  38. 	dwmmc0@fcd03000 {
    39. 

  39. 		vmmc-supply = <&ldo12>;
    40. 

  40. 		fifo-depth = <0x100>;
    41. 

  41. 		pinctrl-names = "default";
    42. 

  42. 		pinctrl-0 = <&sd_pmx_pins &sd_cfg_func1 &sd_cfg_func2>;
    43. 

  43. 		bus-width = <4>;
    44. 

  44. 		disable-wp;
    45. 

  45. 		cd-gpios = <&gpio10 3 0>;
    46. 

  46. 		cap-mmc-highspeed;
    47. 

  47. 		cap-sd-highspeed;
    48. 

  48. 	};
    49. 

  49. 

  50. 	/* for Hi6220 */
    51. 

  51. 

  52. 	dwmmc_1: dwmmc1@f723e000 {
    53. 

  53. 		compatible = "hisilicon,hi6220-dw-mshc";
    54. 

  54. 		bus-width = <0x4>;
    55. 

  55. 		disable-wp;
    56. 

  56. 		cap-sd-highspeed;
    57. 

  57. 		sd-uhs-sdr12;
    58. 

  58. 		sd-uhs-sdr25;
    59. 

  59. 		card-detect-delay = <200>;
    60. 

  60. 		hisilicon,peripheral-syscon = <&ao_ctrl>;
    61. 

  61. 		reg = <0x0 0xf723e000 0x0 0x1000>;
    62. 

  62. 		interrupts = <0x0 0x49 0x4>;
    63. 

  63. 		clocks = <&clock_sys HI6220_MMC1_CIUCLK>, <&clock_sys HI6220_MMC1_CLK>;
    64. 

  64. 		clock-names = "ciu", "biu";
    65. 

  65. 		cd-gpios = <&gpio1 0 1>;
    66. 

  66. 		pinctrl-names = "default", "idle";
    67. 

  67. 		pinctrl-0 = <&sd_pmx_func &sd_clk_cfg_func &sd_cfg_func>;
    68. 

  68. 		pinctrl-1 = <&sd_pmx_idle &sd_clk_cfg_idle &sd_cfg_idle>;
    69. 

  69. 		vqmmc-supply = <&ldo7>;
    70. 

  70. 		vmmc-supply = <&ldo10>;
    71. 

  71. 	};
    72.