/* * include/linux/amba/mmci.h */ #ifndef AMBA_MMCI_H #define AMBA_MMCI_H #include <linux/mmc/host.h> /** * struct mmci_platform_data - platform configuration for the MMCI * (also known as PL180) block. * @ocr_mask: available voltages on the 4 pins from the block, this * is ignored if a regulator is used, see the MMC_VDD_* masks in * mmc/host.h * @ios_handler: a callback function to act on specfic ios changes, * used for example to control a levelshifter * mask into a value to be binary (or set some other custom bits * in MMCIPWR) or:ed and written into the MMCIPWR register of the * block. May also control external power based on the power_mode. * @status: if no GPIO read function was given to the block in * gpio_wp (below) this function will be called to determine * whether a card is present in the MMC slot or not * @gpio_wp: read this GPIO pin to see if the card is write protected * @gpio_cd: read this GPIO pin to detect card insertion * @cd_invert: true if the gpio_cd pin value is active low */ struct mmci_platform_data { unsigned int ocr_mask; int (*ios_handler)(struct device *, struct mmc_ios *); unsigned int (*status)(struct device *); int gpio_wp; int gpio_cd; bool cd_invert; }; #endif |