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author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2011-12-05 16:19:01 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-12-05 17:57:38 +0100 |
commit | 521c8ff41ecb2e125daa6bfcdbaec63800db7058 (patch) | |
tree | 495e2612b7dbab079c3e0fbfed60c30902dd2b4e /arch/arm/mach-imx/include/mach/esdhc.h | |
parent | 133788546c7b00616332ae76c7744f072fe7a543 (diff) | |
download | barebox-521c8ff41ecb2e125daa6bfcdbaec63800db7058.tar.gz barebox-521c8ff41ecb2e125daa6bfcdbaec63800db7058.tar.xz |
imx-esdhc: add support of card detect
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/include/mach/esdhc.h')
-rw-r--r-- | arch/arm/mach-imx/include/mach/esdhc.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/include/mach/esdhc.h b/arch/arm/mach-imx/include/mach/esdhc.h new file mode 100644 index 0000000000..aaf97481f4 --- /dev/null +++ b/arch/arm/mach-imx/include/mach/esdhc.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 */ |