diff options
Diffstat (limited to 'kernel/include/linux/amba/mmci.h')
| -rw-r--r-- | kernel/include/linux/amba/mmci.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/kernel/include/linux/amba/mmci.h b/kernel/include/linux/amba/mmci.h new file mode 100644 index 000000000..8c9811306 --- /dev/null +++ b/kernel/include/linux/amba/mmci.h @@ -0,0 +1,36 @@ +/* + * 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 |