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Original file line number | Diff line number | Diff line change |
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@@ -1,9 +1,39 @@ | ||
#ifndef __ASM_AVR32_ATMEL_MCI_H | ||
#define __ASM_AVR32_ATMEL_MCI_H | ||
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struct mci_platform_data { | ||
#define ATMEL_MCI_MAX_NR_SLOTS 2 | ||
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struct dma_slave; | ||
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/** | ||
* 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; | ||
}; | ||
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/** | ||
* 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]; | ||
}; | ||
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#endif /* __ASM_AVR32_ATMEL_MCI_H */ |
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