2019-06-01 08:08:55 +00:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2010-10-11 10:55:21 +00:00
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/*
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2020-05-02 14:28:25 +00:00
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* Copyright 2010 Wolfram Sang <kernel@pengutronix.de>
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2010-10-11 10:55:21 +00:00
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*/
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#ifndef __ASM_ARCH_IMX_ESDHC_H
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#define __ASM_ARCH_IMX_ESDHC_H
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2013-09-13 11:11:35 +00:00
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#include <linux/types.h>
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2011-06-21 14:41:51 +00:00
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enum wp_types {
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ESDHC_WP_NONE, /* no WP, neither controller nor gpio */
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ESDHC_WP_CONTROLLER, /* mmc controller internal WP */
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ESDHC_WP_GPIO, /* external gpio pin for WP */
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};
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enum cd_types {
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ESDHC_CD_NONE, /* no CD, neither controller nor gpio */
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ESDHC_CD_CONTROLLER, /* mmc controller internal CD */
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ESDHC_CD_GPIO, /* external gpio pin for CD */
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ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */
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};
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2011-02-26 13:44:39 +00:00
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/**
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2011-06-21 14:41:51 +00:00
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* struct esdhc_platform_data - platform data for esdhc on i.MX
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2011-02-26 13:44:39 +00:00
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*
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2011-06-21 14:41:51 +00:00
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* ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35.
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2011-02-26 13:44:39 +00:00
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*
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2011-06-21 14:41:51 +00:00
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* @wp_type: type of write_protect method (see wp_types enum above)
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* @cd_type: type of card_detect method (see cd_types enum above)
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2011-02-26 13:44:39 +00:00
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*/
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2010-10-11 10:55:21 +00:00
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struct esdhc_platform_data {
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2011-06-21 14:41:51 +00:00
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enum wp_types wp_type;
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enum cd_types cd_type;
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2013-01-21 11:02:28 +00:00
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int max_bus_width;
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2013-10-18 11:48:47 +00:00
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unsigned int delay_line;
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2015-08-11 11:38:27 +00:00
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unsigned int tuning_step; /* The delay cell steps in tuning procedure */
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2016-07-12 07:46:15 +00:00
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unsigned int tuning_start_tap; /* The start delay cell point in tuning procedure */
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2020-02-19 08:25:49 +00:00
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unsigned int strobe_dll_delay_target; /* The delay cell for strobe pad (read clock) */
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2010-10-11 10:55:21 +00:00
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};
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#endif /* __ASM_ARCH_IMX_ESDHC_H */
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