Documentation/devicetree/bindings/mmc/sdhci-cadence.txt

   1 * Cadence SD/SDIO/eMMC Host Controller
   2
   3 Required properties:
   4 - compatible: should be "cdns,sd4hc".
   5 - reg: offset and length of the register set for the device.
   6 - interrupts: a single interrupt specifier.
   7 - clocks: phandle to the input clock.
   8
   9 Optional properties:
  10 For eMMC configuration, supported speed modes are not indicated by the SDHCI
  11 Capabilities Register.  Instead, the following properties should be specified
  12 if supported.  See mmc.txt for details.
  13 - mmc-ddr-1_8v
  14 - mmc-ddr-1_2v
  15 - mmc-hs200-1_8v
  16 - mmc-hs200-1_2v
  17 - mmc-hs400-1_8v
  18 - mmc-hs400-1_2v
  19
  20 Example:
  21         emmc: sdhci@5a000000 {
  22                 compatible = "cdns,sd4hc";
  23                 reg = <0x5a000000 0x400>;
  24                 interrupts = <0 78 4>;
  25                 clocks = <&clk 4>;
  26                 bus-width = <8>;
  27                 mmc-ddr-1_8v;
  28                 mmc-hs200-1_8v;
  29                 mmc-hs400-1_8v;
  30         };