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- * ARM PrimeCell MultiMedia Card Interface (MMCI) PL180/1
- The ARM PrimeCell MMCI PL180 and PL181 provides and interface for
- reading and writing to MultiMedia and SD cards alike.
- Required properties:
- - compatible : contains "arm,pl18x", "arm,primecell".
- - reg : contains pl18x registers and length.
- - interrupts : contains the device IRQ(s).
- - arm,primecell-periphid : contains the PrimeCell Peripheral ID.
- Optional properties:
- - wp-gpios : contains any write protect (ro) gpios
- - cd-gpios : contains any card detection gpios
- - cd-inverted : indicates whether the cd gpio is inverted
- - max-frequency : contains the maximum operating frequency
- - bus-width : number of data lines, can be <1>, <4>, or <8>
- - mmc-cap-mmc-highspeed : indicates whether MMC is high speed capable
- - mmc-cap-sd-highspeed : indicates whether SD is high speed capable
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