46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
|
|
* 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
|
|
|
|
#include <linux/types.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_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 {
|
|
enum wp_types wp_type;
|
|
enum cd_types cd_type;
|
|
int max_bus_width;
|
|
unsigned int delay_line;
|
|
unsigned int tuning_step; /* The delay cell steps in tuning procedure */
|
|
unsigned int tuning_start_tap; /* The start delay cell point in tuning procedure */
|
|
};
|
|
#endif /* __ASM_ARCH_IMX_ESDHC_H */
|