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This commit is contained in:
Haavard Skinnemoen 2009-01-07 11:05:42 +01:00
commit 52435bfc66
32 changed files with 2252 additions and 80 deletions
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39
include/linux/atmel-mci.h Normal file
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#ifndef __LINUX_ATMEL_MCI_H
#define __LINUX_ATMEL_MCI_H
#define ATMEL_MCI_MAX_NR_SLOTS 2
struct dma_slave;
/**
* struct mci_slot_pdata - board-specific per-slot configuration
* @bus_width: Number of data lines wired up the slot
* @detect_pin: GPIO pin wired to the card detect switch
* @wp_pin: GPIO pin wired to the write protect sensor
*
* If a given slot is not present on the board, @bus_width should be
* set to 0. The other fields are ignored in this case.
*
* Any pins that aren't available should be set to a negative value.
*
* Note that support for multiple slots is experimental -- some cards
* might get upset if we don't get the clock management exactly right.
* But in most cases, it should work just fine.
*/
struct mci_slot_pdata {
unsigned int bus_width;
int detect_pin;
int wp_pin;
};
/**
* struct mci_platform_data - board-specific MMC/SDcard configuration
* @dma_slave: DMA slave interface to use in data transfers, or NULL.
* @slot: Per-slot configuration data.
*/
struct mci_platform_data {
struct dma_slave *dma_slave;
struct mci_slot_pdata slot[ATMEL_MCI_MAX_NR_SLOTS];
};
#endif /* __LINUX_ATMEL_MCI_H */