Documentation/devicetree/bindings/mmc/mxs-mmc.txt

   1 * Freescale MXS MMC controller
   2
   3 The Freescale MXS Synchronous Serial Ports (SSP) can act as a MMC controller
   4 to support MMC, SD, and SDIO types of memory cards.
   5
   6 This file documents differences between the core properties in mmc.txt
   7 and the properties used by the mxsmmc driver.
   8
   9 Required properties:
  10 - compatible: Should be "fsl,<chip>-mmc".  The supported chips include
  11   imx23 and imx28.
  12 - interrupts: Should contain ERROR interrupt number
  13 - dmas: DMA specifier, consisting of a phandle to DMA controller node
  14   and SSP DMA channel ID.
  15   Refer to dma.txt and fsl-mxs-dma.txt for details.
  16 - dma-names: Must be "rx-tx".
  17
  18 Examples:
  19
  20 ssp0: ssp@80010000 {
  21         compatible = "fsl,imx28-mmc";
  22         reg = <0x80010000 2000>;
  23         interrupts = <96>;
  24         dmas = <&dma_apbh 0>;
  25         dma-names = "rx-tx";
  26         bus-width = <8>;
  27 };