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31 lines
769 B
Plaintext
31 lines
769 B
Plaintext
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* Cadence SD/SDIO/eMMC Host Controller
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Required properties:
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- compatible: should be "cdns,sd4hc".
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- reg: offset and length of the register set for the device.
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- interrupts: a single interrupt specifier.
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- clocks: phandle to the input clock.
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Optional properties:
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For eMMC configuration, supported speed modes are not indicated by the SDHCI
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Capabilities Register. Instead, the following properties should be specified
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if supported. See mmc.txt for details.
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- mmc-ddr-1_8v
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- mmc-ddr-1_2v
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- mmc-hs200-1_8v
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- mmc-hs200-1_2v
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- mmc-hs400-1_8v
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- mmc-hs400-1_2v
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Example:
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emmc: sdhci@5a000000 {
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compatible = "cdns,sd4hc";
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reg = <0x5a000000 0x400>;
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interrupts = <0 78 4>;
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clocks = <&clk 4>;
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bus-width = <8>;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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};
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