1 #ifndef __LINUX_ATMEL_MCI_H 2 #define __LINUX_ATMEL_MCI_H 3 4 #define ATMCI_MAX_NR_SLOTS 2 5 6 /** 7 * struct mci_slot_pdata - board-specific per-slot configuration 8 * @bus_width: Number of data lines wired up the slot 9 * @detect_pin: GPIO pin wired to the card detect switch 10 * @wp_pin: GPIO pin wired to the write protect sensor 11 * @detect_is_active_high: The state of the detect pin when it is active 12 * 13 * If a given slot is not present on the board, @bus_width should be 14 * set to 0. The other fields are ignored in this case. 15 * 16 * Any pins that aren't available should be set to a negative value. 17 * 18 * Note that support for multiple slots is experimental -- some cards 19 * might get upset if we don't get the clock management exactly right. 20 * But in most cases, it should work just fine. 21 */ 22 struct mci_slot_pdata { 23 unsigned int bus_width; 24 int detect_pin; 25 int wp_pin; 26 bool detect_is_active_high; 27 }; 28 29 /** 30 * struct mci_platform_data - board-specific MMC/SDcard configuration 31 * @dma_slave: DMA slave interface to use in data transfers. 32 * @slot: Per-slot configuration data. 33 */ 34 struct mci_platform_data { 35 struct mci_dma_data *dma_slave; 36 struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; 37 }; 38 39 #endif /* __LINUX_ATMEL_MCI_H */ 40