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 @@ +/* + * Copyright 2010 Wolfram Sang <w.sang@pengutronix.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ + +#ifndef __ASM_ARCH_IMX_ESDHC_H +#define __ASM_ARCH_IMX_ESDHC_H + +enum wp_types { + ESDHC_WP_NONE, /* no WP, neither controller nor gpio */ + ESDHC_WP_CONTROLLER, /* mmc controller internal WP */ + ESDHC_WP_GPIO, /* external gpio pin for WP */ +}; + +enum cd_types { + ESDHC_CD_NONE, /* no CD, neither controller nor gpio */ + ESDHC_CD_CONTROLLER, /* mmc controller internal CD */ + ESDHC_CD_GPIO, /* external gpio pin for CD */ + ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */ +}; + +/** + * struct esdhc_platform_data - platform data for esdhc on i.MX + * + * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35. + * + * @wp_gpio: gpio for write_protect + * @cd_gpio: gpio for card_detect interrupt + * @wp_type: type of write_protect method (see wp_types enum above) + * @cd_type: type of card_detect method (see cd_types enum above) + */ + +struct esdhc_platform_data { + unsigned int wp_gpio; + unsigned int cd_gpio; + enum wp_types wp_type; + enum cd_types cd_type; +}; +#endif /* __ASM_ARCH_IMX_ESDHC_H */ |