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/*
* 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 */
};
/**
* 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 */
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