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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.
This file documents differences between the core properties described
by mmc.txt and the properties used by the sdhci-tegra driver.
Required properties:
- compatible : Should be "nvidia,<chip>-sdhci"
Optional properties:
- power-gpios : Specify GPIOs for power control
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 */
bus-width = <8>;
};
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