diff options
| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-12 15:44:33 +0200 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-10-12 15:44:33 +0200 |
| commit | 0d62950125241a6e6db8e8f14271f098ec7a2da4 (patch) | |
| tree | 8cdd9e17f6a6ff4cb6166ad12a4d3ed1d45b2dc9 /arch/avr32/include | |
| parent | b3bc2c5562f06ca34b30f61c5714e96490946c81 (diff) | |
| parent | 5e7184ae0dd49456387e8b1cdebc6b2c92fc6d51 (diff) | |
| download | linux-0d62950125241a6e6db8e8f14271f098ec7a2da4.tar.bz2 | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/atmel-mci-2.6.28
Diffstat (limited to 'arch/avr32/include')
| -rw-r--r-- | arch/avr32/include/asm/atmel-mci.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/avr32/include/asm/atmel-mci.h b/arch/avr32/include/asm/atmel-mci.h index c2ea6e1c9aa1..59f3fadd0b68 100644 --- a/arch/avr32/include/asm/atmel-mci.h +++ b/arch/avr32/include/asm/atmel-mci.h @@ -1,9 +1,39 @@ #ifndef __ASM_AVR32_ATMEL_MCI_H #define __ASM_AVR32_ATMEL_MCI_H -struct mci_platform_data { +#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 /* __ASM_AVR32_ATMEL_MCI_H */ |