linux/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt
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   1* NVIDIA Tegra Secure Digital Host Controller
   2
   3This controller on Tegra family SoCs provides an interface for MMC, SD,
   4and SDIO types of memory cards.
   5
   6This file documents differences between the core properties described
   7by mmc.txt and the properties used by the sdhci-tegra driver.
   8
   9Required properties:
  10- compatible : Should be "nvidia,<chip>-sdhci"
  11
  12Optional properties:
  13- power-gpios : Specify GPIOs for power control
  14
  15Example:
  16
  17sdhci@c8000200 {
  18        compatible = "nvidia,tegra20-sdhci";
  19        reg = <0xc8000200 0x200>;
  20        interrupts = <47>;
  21        cd-gpios = <&gpio 69 0>; /* gpio PI5 */
  22        wp-gpios = <&gpio 57 0>; /* gpio PH1 */
  23        power-gpios = <&gpio 155 0>; /* gpio PT3 */
  24        bus-width = <8>;
  25};
  26