Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
c42aa775 NF |
2 | #ifndef __LINUX_ATMEL_MCI_H |
3 | #define __LINUX_ATMEL_MCI_H | |
7d2be074 | 4 | |
8ca28610 | 5 | #include <linux/types.h> |
74843787 | 6 | #include <linux/dmaengine.h> |
8ca28610 | 7 | |
2c96a293 | 8 | #define ATMCI_MAX_NR_SLOTS 2 |
965ebf33 | 9 | |
6b918657 HS |
10 | /** |
11 | * struct mci_slot_pdata - board-specific per-slot configuration | |
12 | * @bus_width: Number of data lines wired up the slot | |
13 | * @detect_pin: GPIO pin wired to the card detect switch | |
14 | * @wp_pin: GPIO pin wired to the write protect sensor | |
1c1452be | 15 | * @detect_is_active_high: The state of the detect pin when it is active |
76d55564 | 16 | * @non_removable: The slot is not removable, only detect once |
6b918657 HS |
17 | * |
18 | * If a given slot is not present on the board, @bus_width should be | |
19 | * set to 0. The other fields are ignored in this case. | |
20 | * | |
21 | * Any pins that aren't available should be set to a negative value. | |
965ebf33 HS |
22 | * |
23 | * Note that support for multiple slots is experimental -- some cards | |
24 | * might get upset if we don't get the clock management exactly right. | |
25 | * But in most cases, it should work just fine. | |
6b918657 HS |
26 | */ |
27 | struct mci_slot_pdata { | |
28 | unsigned int bus_width; | |
7d2be074 HS |
29 | int detect_pin; |
30 | int wp_pin; | |
1c1452be | 31 | bool detect_is_active_high; |
76d55564 | 32 | bool non_removable; |
7d2be074 HS |
33 | }; |
34 | ||
6b918657 HS |
35 | /** |
36 | * struct mci_platform_data - board-specific MMC/SDcard configuration | |
74465b4f | 37 | * @dma_slave: DMA slave interface to use in data transfers. |
6b918657 HS |
38 | * @slot: Per-slot configuration data. |
39 | */ | |
40 | struct mci_platform_data { | |
238d1c60 | 41 | void *dma_slave; |
74843787 | 42 | dma_filter_fn dma_filter; |
2c96a293 | 43 | struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; |
6b918657 HS |
44 | }; |
45 | ||
c42aa775 | 46 | #endif /* __LINUX_ATMEL_MCI_H */ |