2011-08-23 18:15:33 +00:00
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* NVIDIA Tegra Secure Digital Host Controller
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This controller on Tegra family SoCs provides an interface for MMC, SD,
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and SDIO types of memory cards.
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Required properties:
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- compatible : Should be "nvidia,<chip>-sdhci"
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2011-08-30 19:17:16 +00:00
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- reg : Should contain SD/MMC registers location and length
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- interrupts : Should contain SD/MMC interrupt
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2012-05-13 04:14:24 +00:00
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- bus-width : Number of data lines, can be <1>, <4>, or <8>
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2011-08-23 18:15:33 +00:00
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Optional properties:
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- cd-gpios : Specify GPIOs for card detection
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- wp-gpios : Specify GPIOs for write protection
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- power-gpios : Specify GPIOs for power control
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Example:
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sdhci@c8000200 {
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compatible = "nvidia,tegra20-sdhci";
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reg = <0xc8000200 0x200>;
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interrupts = <47>;
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cd-gpios = <&gpio 69 0>; /* gpio PI5 */
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wp-gpios = <&gpio 57 0>; /* gpio PH1 */
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power-gpios = <&gpio 155 0>; /* gpio PT3 */
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2012-05-13 04:14:24 +00:00
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bus-width = <8>;
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2011-08-23 18:15:33 +00:00
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};
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