diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/mmc.h')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/mmc.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mmc.h b/arch/arm/plat-mxc/include/mach/mmc.h new file mode 100644 index 00000000000..de2128dada5 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mmc.h | |||
@@ -0,0 +1,36 @@ | |||
1 | #ifndef ASMARM_ARCH_MMC_H | ||
2 | #define ASMARM_ARCH_MMC_H | ||
3 | |||
4 | #include <linux/mmc/host.h> | ||
5 | |||
6 | struct device; | ||
7 | |||
8 | /* board specific SDHC data, optional. | ||
9 | * If not present, a writable card with 3,3V is assumed. | ||
10 | */ | ||
11 | struct imxmmc_platform_data { | ||
12 | /* Return values for the get_ro callback should be: | ||
13 | * 0 for a read/write card | ||
14 | * 1 for a read-only card | ||
15 | * -ENOSYS when not supported (equal to NULL callback) | ||
16 | * or a negative errno value when something bad happened | ||
17 | */ | ||
18 | int (*get_ro)(struct device *); | ||
19 | |||
20 | /* board specific hook to (de)initialize the SD slot. | ||
21 | * The board code can call 'handler' on a card detection | ||
22 | * change giving data as argument. | ||
23 | */ | ||
24 | int (*init)(struct device *dev, irq_handler_t handler, void *data); | ||
25 | void (*exit)(struct device *dev, void *data); | ||
26 | |||
27 | /* available voltages. If not given, assume | ||
28 | * MMC_VDD_32_33 | MMC_VDD_33_34 | ||
29 | */ | ||
30 | unsigned int ocr_avail; | ||
31 | |||
32 | /* adjust slot voltage */ | ||
33 | void (*setpower)(struct device *, unsigned int vdd); | ||
34 | }; | ||
35 | |||
36 | #endif | ||