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author | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
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committer | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
commit | dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch) | |
tree | 1c63e7c2f879cd322ca785671b74b4ff796dd24c /include/linux/atmel-mci.h | |
parent | a5e6ced58d423cb09c4fc0087dcfdb0b5deb5e1c (diff) | |
parent | f3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff) | |
download | kernel_samsung_smdk4412-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.zip kernel_samsung_smdk4412-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.gz kernel_samsung_smdk4412-dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
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 0000000..2f1f957 --- /dev/null +++ b/include/linux/atmel-mci.h @@ -0,0 +1,39 @@ +#ifndef __LINUX_ATMEL_MCI_H +#define __LINUX_ATMEL_MCI_H + +#define ATMEL_MCI_MAX_NR_SLOTS 2 + +#include <linux/dw_dmac.h> + +/** + * 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. + * @slot: Per-slot configuration data. + */ +struct mci_platform_data { + struct dw_dma_slave dma_slave; + struct mci_slot_pdata slot[ATMEL_MCI_MAX_NR_SLOTS]; +}; + +#endif /* __LINUX_ATMEL_MCI_H */ |