| Lee Jones | 8dde8c4 | 2012-03-14 13:58:34 +0000 | [diff] [blame] | 1 | * ARM PrimeCell MultiMedia Card Interface (MMCI) PL180/1 |
| 2 | |
| Chris Ball | 4efafee | 2012-06-11 21:48:16 -0400 | [diff] [blame] | 3 | The ARM PrimeCell MMCI PL180 and PL181 provides an interface for |
| Lee Jones | 8dde8c4 | 2012-03-14 13:58:34 +0000 | [diff] [blame] | 4 | reading and writing to MultiMedia and SD cards alike. |
| 5 | |
| Chris Ball | 4efafee | 2012-06-11 21:48:16 -0400 | [diff] [blame] | 6 | This file documents differences between the core properties described |
| 7 | by mmc.txt and the properties used by the mmci driver. |
| 8 | |
| Lee Jones | 8dde8c4 | 2012-03-14 13:58:34 +0000 | [diff] [blame] | 9 | Required properties: |
| 10 | - compatible : contains "arm,pl18x", "arm,primecell". |
| Lee Jones | 8dde8c4 | 2012-03-14 13:58:34 +0000 | [diff] [blame] | 11 | - arm,primecell-periphid : contains the PrimeCell Peripheral ID. |
| 12 | |
| 13 | Optional properties: |
| Lee Jones | 8dde8c4 | 2012-03-14 13:58:34 +0000 | [diff] [blame] | 14 | - mmc-cap-mmc-highspeed : indicates whether MMC is high speed capable |
| 15 | - mmc-cap-sd-highspeed : indicates whether SD is high speed capable |