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-rw-r--r--include/linux/platform_data/mmc-esdhc-imx.h43
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
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1/*
2 * Copyright 2010 Wolfram Sang <w.sang@pengutronix.de>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; version 2
7 * of the License.
8 */
9
10#ifndef __ASM_ARCH_IMX_ESDHC_H
11#define __ASM_ARCH_IMX_ESDHC_H
12
13enum wp_types {
14 ESDHC_WP_NONE, /* no WP, neither controller nor gpio */
15 ESDHC_WP_CONTROLLER, /* mmc controller internal WP */
16 ESDHC_WP_GPIO, /* external gpio pin for WP */
17};
18
19enum cd_types {
20 ESDHC_CD_NONE, /* no CD, neither controller nor gpio */
21 ESDHC_CD_CONTROLLER, /* mmc controller internal CD */
22 ESDHC_CD_GPIO, /* external gpio pin for CD */
23 ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */
24};
25
26/**
27 * struct esdhc_platform_data - platform data for esdhc on i.MX
28 *
29 * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35.
30 *
31 * @wp_gpio: gpio for write_protect
32 * @cd_gpio: gpio for card_detect interrupt
33 * @wp_type: type of write_protect method (see wp_types enum above)
34 * @cd_type: type of card_detect method (see cd_types enum above)
35 */
36
37struct esdhc_platform_data {
38 unsigned int wp_gpio;
39 unsigned int cd_gpio;
40 enum wp_types wp_type;
41 enum cd_types cd_type;
42};
43#endif /* __ASM_ARCH_IMX_ESDHC_H */