linux/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
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   1* Freescale Secure Digital Host Controller for i.MX2/3 series
   2
   3This file documents differences to the properties defined in mmc.txt.
   4
   5Required properties:
   6- compatible : Should be "fsl,<chip>-mmc", chip can be imx21 or imx31
   7
   8Optional properties:
   9- dmas: One DMA phandle with arguments as defined by the devicetree bindings
  10        of the used DMA controller.
  11- dma-names: Has to be "rx-tx".
  12
  13Example:
  14
  15sdhci1: sdhci@10014000 {
  16        compatible = "fsl,imx27-mmc", "fsl,imx21-mmc";
  17        reg = <0x10014000 0x1000>;
  18        interrupts = <11>;
  19        dmas = <&dma 7>;
  20        dma-names = "rx-tx";
  21        bus-width = <4>;
  22        cd-gpios = <&gpio3 29>;
  23        status = "okay";
  24};
  25