diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/esdhc.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/esdhc.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/esdhc.h b/arch/arm/plat-mxc/include/mach/esdhc.h new file mode 100644 index 00000000..10df1856 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/esdhc.h @@ -0,0 +1,42 @@ +/* + * Copyright 2011 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 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 */ + ESDHC_CD_WIFI_PWR, /* wifi host, use wifi pwr pin as CD */ +}; + +/** + * struct esdhc_platform_data - optional platform data for esdhc on i.MX + * + * strongly recommended for i.MX25/35, not needed for other variants + * + * @wp_gpio: gpio for write_protect (-EINVAL if unused) + * @cd_gpio: gpio for card_detect interrupt (-EINVAL if unused) + */ + +struct esdhc_platform_data { + unsigned int wp_gpio; + unsigned int cd_gpio; + enum cd_types cd_type; + unsigned int always_present; + unsigned int support_18v; + unsigned int support_8bit; + unsigned int keep_power_at_suspend; + unsigned int delay_line; + bool runtime_pm; + int (*platform_pad_change)(unsigned int index, int clock); +}; +#endif /* __ASM_ARCH_IMX_ESDHC_H */ |