38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* 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
|