kernel/Documentation/devicetree/bindings/mmc/usdhi6rol0.txt

   1 * Renesas usdhi6rol0 SD/SDIO host controller
   2
   3 Required properties:
   4
   5 - compatible:   must be
   6                 "renesas,usdhi6rol0"
   7 - interrupts:   3 interrupts, named "card detect", "data" and "SDIO" must be
   8                 specified
   9 - clocks:       a clock binding for the IMCLK input
  10
  11 Optional properties:
  12
  13 - vmmc-supply:  a phandle of a regulator, supplying Vcc to the card
  14 - vqmmc-supply: a phandle of a regulator, supplying VccQ to the card
  15
  16 Additionally any standard mmc bindings from mmc.txt can be used.
  17
  18 Example:
  19
  20 sd0: sd@ab000000 {
  21         compatible = "renesas,usdhi6rol0";
  22         reg = <0xab000000 0x200>;
  23         interrupts = <0 23 0x4
  24                       0 24 0x4
  25                       0 25 0x4>;
  26         interrupt-names = "card detect", "data", "SDIO";
  27         bus-width = <4>;
  28         max-frequency = <50000000>;
  29         cap-power-off-card;
  30         clocks = <&imclk>;
  31         vmmc-supply = <&vcc_sd0>;
  32         vqmmc-supply = <&vccq_sd0>;
  33 };