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| 1 | * ARM PrimeCell MultiMedia Card Interface (MMCI) PL180/1 | ||
| 2 | |||
| 3 | The ARM PrimeCell MMCI PL180 and PL181 provides and interface for | ||
| 4 | reading and writing to MultiMedia and SD cards alike. | ||
| 5 | |||
| 6 | Required properties: | ||
| 7 | - compatible : contains "arm,pl18x", "arm,primecell". | ||
| 8 | - reg : contains pl18x registers and length. | ||
| 9 | - interrupts : contains the device IRQ(s). | ||
| 10 | - arm,primecell-periphid : contains the PrimeCell Peripheral ID. | ||
| 11 | |||
| 12 | Optional properties: | ||
| 13 | - wp-gpios : contains any write protect (ro) gpios | ||
| 14 | - cd-gpios : contains any card detection gpios | ||
| 15 | - cd-inverted : indicates whether the cd gpio is inverted | ||
| 16 | - max-frequency : contains the maximum operating frequency | ||
| 17 | - bus-width : number of data lines, can be <1>, <4>, or <8> | ||
| 18 | - mmc-cap-mmc-highspeed : indicates whether MMC is high speed capable | ||
| 19 | - mmc-cap-sd-highspeed : indicates whether SD is high speed capable | ||