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* NVIDIA Tegra Secure Digital Host Controller
This controller on Tegra family SoCs provides an interface for MMC, SD,
and SDIO types of memory cards.
Required properties:
- compatible : Should be "nvidia,<chip>-sdhci"
- reg : Should contain SD/MMC registers location and length
- interrupts : Should contain SD/MMC interrupt
Optional properties:
- cd-gpios : Specify GPIOs for card detection
- wp-gpios : Specify GPIOs for write protection
- power-gpios : Specify GPIOs for power control
- support-8bit : Boolean, indicates if 8-bit mode should be used.
Example:
sdhci@c8000200 {
compatible = "nvidia,tegra20-sdhci";
reg = <0xc8000200 0x200>;
interrupts = <47>;
cd-gpios = <&gpio 69 0>; /* gpio PI5 */
wp-gpios = <&gpio 57 0>; /* gpio PH1 */
power-gpios = <&gpio 155 0>; /* gpio PT3 */
support-8bit;
};
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