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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 eSDHC registers location and length
- - interrupts : Should contain eSDHC interrupt
- Optional properties:
- - cd-gpios : Specify GPIOs for card detection
- - wp-gpios : Specify GPIOs for write protection
- - 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 */
- };
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