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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/atmel-mci.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/atmel-mci.h')
-rw-r--r-- | include/linux/atmel-mci.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h new file mode 100644 index 00000000..4c7a4b21 --- /dev/null +++ b/include/linux/atmel-mci.h @@ -0,0 +1,39 @@ +#ifndef __LINUX_ATMEL_MCI_H +#define __LINUX_ATMEL_MCI_H + +#define ATMCI_MAX_NR_SLOTS 2 + +/** + * 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 + * @detect_is_active_high: The state of the detect pin when it is active + * + * 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; + bool detect_is_active_high; +}; + +/** + * struct mci_platform_data - board-specific MMC/SDcard configuration + * @dma_slave: DMA slave interface to use in data transfers. + * @slot: Per-slot configuration data. + */ +struct mci_platform_data { + struct mci_dma_data *dma_slave; + struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; +}; + +#endif /* __LINUX_ATMEL_MCI_H */ |