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Mmc-card.txt Guest on 8th February 2021 09:23:18 AM
  1. mmc-card / eMMC bindings
  2. ------------------------
  3.  
  4. This documents describes the devicetree bindings for a mmc-host controller
  5. child node describing a mmc-card / an eMMC, see "Use of Function subnodes"
  6. in mmc.txt
  7.  
  8. Required properties:
  9. -compatible : Must be "mmc-card"
  10. -reg        : Must be <0>
  11.  
  12. Optional properties:
  13. -broken-hpi : Use this to indicate that the mmc-card has a broken hpi
  14.               implementation, and that hpi should not be used
  15.  
  16. Example:
  17.  
  18. &mmc2 {
  19.       pinctrl-names = "default";
  20.       pinctrl-0 = <&mmc2_pins_a>;
  21.       vmmc-supply = <&reg_vcc3v3>;
  22.       bus-width = <8>;
  23.       non-removable;
  24.  
  25.       mmccard: [email protected] {
  26.             reg = <0>;
  27.             compatible = "mmc-card";
  28.             broken-hpi;
  29.       };
  30. };

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