linux/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt
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   1* Marvell sdhci-pxa v2/v3 controller
   2
   3This file documents differences between the core properties in mmc.txt
   4and the properties used by the sdhci-pxav2 and sdhci-pxav3 drivers.
   5
   6Required properties:
   7- compatible: Should be "mrvl,pxav2-mmc" or "mrvl,pxav3-mmc".
   8
   9Optional properties:
  10- mrvl,clk-delay-cycles: Specify a number of cycles to delay for tuning.
  11
  12Example:
  13
  14sdhci@d4280800 {
  15        compatible = "mrvl,pxav3-mmc";
  16        reg = <0xd4280800 0x800>;
  17        bus-width = <8>;
  18        interrupts = <27>;
  19        non-removable;
  20        mrvl,clk-delay-cycles = <31>;
  21};
  22