| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * 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 |