xref: /OK3568_Linux_fs/kernel/include/linux/amba/mmci.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  include/linux/amba/mmci.h
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun #ifndef AMBA_MMCI_H
6*4882a593Smuzhiyun #define AMBA_MMCI_H
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <linux/mmc/host.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /**
11*4882a593Smuzhiyun  * struct mmci_platform_data - platform configuration for the MMCI
12*4882a593Smuzhiyun  * (also known as PL180) block.
13*4882a593Smuzhiyun  * @ocr_mask: available voltages on the 4 pins from the block, this
14*4882a593Smuzhiyun  * is ignored if a regulator is used, see the MMC_VDD_* masks in
15*4882a593Smuzhiyun  * mmc/host.h
16*4882a593Smuzhiyun  * @ios_handler: a callback function to act on specfic ios changes,
17*4882a593Smuzhiyun  * used for example to control a levelshifter
18*4882a593Smuzhiyun  * mask into a value to be binary (or set some other custom bits
19*4882a593Smuzhiyun  * in MMCIPWR) or:ed and written into the MMCIPWR register of the
20*4882a593Smuzhiyun  * block.  May also control external power based on the power_mode.
21*4882a593Smuzhiyun  * @status: if no GPIO line was given to the block in this function will
22*4882a593Smuzhiyun  * be called to determine whether a card is present in the MMC slot or not
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun struct mmci_platform_data {
25*4882a593Smuzhiyun 	unsigned int ocr_mask;
26*4882a593Smuzhiyun 	int (*ios_handler)(struct device *, struct mmc_ios *);
27*4882a593Smuzhiyun 	unsigned int (*status)(struct device *);
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #endif
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