diff options
Diffstat (limited to 'include/linux/platform_data/mmc-esdhc-imx.h')
-rw-r--r-- | include/linux/platform_data/mmc-esdhc-imx.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h new file mode 100644 index 000000000000..aaf97481f413 --- /dev/null +++ b/include/linux/platform_data/mmc-esdhc-imx.h | |||
@@ -0,0 +1,43 @@ | |||
1 | /* | ||
2 | * Copyright 2010 Wolfram Sang <w.sang@pengutronix.de> | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or | ||
5 | * modify it under the terms of the GNU General Public License | ||
6 | * as published by the Free Software Foundation; version 2 | ||
7 | * of the License. | ||
8 | */ | ||
9 | |||
10 | #ifndef __ASM_ARCH_IMX_ESDHC_H | ||
11 | #define __ASM_ARCH_IMX_ESDHC_H | ||
12 | |||
13 | enum wp_types { | ||
14 | ESDHC_WP_NONE, /* no WP, neither controller nor gpio */ | ||
15 | ESDHC_WP_CONTROLLER, /* mmc controller internal WP */ | ||
16 | ESDHC_WP_GPIO, /* external gpio pin for WP */ | ||
17 | }; | ||
18 | |||
19 | enum cd_types { | ||
20 | ESDHC_CD_NONE, /* no CD, neither controller nor gpio */ | ||
21 | ESDHC_CD_CONTROLLER, /* mmc controller internal CD */ | ||
22 | ESDHC_CD_GPIO, /* external gpio pin for CD */ | ||
23 | ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */ | ||
24 | }; | ||
25 | |||
26 | /** | ||
27 | * struct esdhc_platform_data - platform data for esdhc on i.MX | ||
28 | * | ||
29 | * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35. | ||
30 | * | ||
31 | * @wp_gpio: gpio for write_protect | ||
32 | * @cd_gpio: gpio for card_detect interrupt | ||
33 | * @wp_type: type of write_protect method (see wp_types enum above) | ||
34 | * @cd_type: type of card_detect method (see cd_types enum above) | ||
35 | */ | ||
36 | |||
37 | struct esdhc_platform_data { | ||
38 | unsigned int wp_gpio; | ||
39 | unsigned int cd_gpio; | ||
40 | enum wp_types wp_type; | ||
41 | enum cd_types cd_type; | ||
42 | }; | ||
43 | #endif /* __ASM_ARCH_IMX_ESDHC_H */ | ||