| * 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 |
