Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt

   1 * NVIDIA Tegra Secure Digital Host Controller
   2
   3 This controller on Tegra family SoCs provides an interface for MMC, SD,
   4 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-tegra driver.
   8
   9 Required properties:
  10 - compatible : Should be "nvidia,<chip>-sdhci"
  11
  12 Optional properties:
  13 - power-gpios : Specify GPIOs for power control
  14
  15 Example:
  16
  17 sdhci@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 };