Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt

   1 * Freescale Enhanced Secure Digital Host Controller (eSDHC) for i.MX
   2
   3 The Enhanced Secure Digital Host Controller on Freescale i.MX family
   4 provides an interface for MMC, SD, and SDIO types of memory cards.
   5
   6 This file documents differences between the core properties described
   7 by mmc.txt and the properties used by the sdhci-esdhc-imx driver.
   8
   9 Required properties:
  10 - compatible : Should be "fsl,<chip>-esdhc"
  11
  12 Optional properties:
  13 - fsl,cd-internal : Indicate to use controller internal card detection
  14 - fsl,wp-internal : Indicate to use controller internal write protection
  15
  16 Examples:
  17
  18 esdhc@70004000 {
  19         compatible = "fsl,imx51-esdhc";
  20         reg = <0x70004000 0x4000>;
  21         interrupts = <1>;
  22         fsl,cd-internal;
  23         fsl,wp-internal;
  24 };
  25
  26 esdhc@70008000 {
  27         compatible = "fsl,imx51-esdhc";
  28         reg = <0x70008000 0x4000>;
  29         interrupts = <2>;
  30         cd-gpios = <&gpio1 6 0>; /* GPIO1_6 */
  31         wp-gpios = <&gpio1 5 0>; /* GPIO1_5 */
  32 };