1/*
2 * include/linux/platform_data/pxa_sdhci.h
3 *
4 * Copyright 2010 Marvell
5 *	Zhangfei Gao <zhangfei.gao@marvell.com>
6 *
7 * PXA Platform - SDHCI platform data definitions
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#ifndef _PXA_SDHCI_H_
15#define _PXA_SDHCI_H_
16
17/* pxa specific flag */
18/* Require clock free running */
19#define PXA_FLAG_ENABLE_CLOCK_GATING (1<<0)
20/* card always wired to host, like on-chip emmc */
21#define PXA_FLAG_CARD_PERMANENT	(1<<1)
22/* Board design supports 8-bit data on SD/SDIO BUS */
23#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2)
24
25/*
26 * struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI
27 * @flags: flags for platform requirement
28 * @clk_delay_cycles:
29 *	mmp2: each step is roughly 100ps, 5bits width
30 *	pxa910: each step is 1ns, 4bits width
31 * @clk_delay_sel: select clk_delay, used on pxa910
32 *	0: choose feedback clk
33 *	1: choose feedback clk + delay value
34 *	2: choose internal clk
35 * @clk_delay_enable: enable clk_delay or not, used on pxa910
36 * @ext_cd_gpio: gpio pin used for external CD line
37 * @ext_cd_gpio_invert: invert values for external CD gpio line
38 * @max_speed: the maximum speed supported
39 * @host_caps: Standard MMC host capabilities bit field.
40 * @quirks: quirks of platfrom
41 * @quirks2: quirks2 of platfrom
42 * @pm_caps: pm_caps of platfrom
43 */
44struct sdhci_pxa_platdata {
45	unsigned int	flags;
46	unsigned int	clk_delay_cycles;
47	unsigned int	clk_delay_sel;
48	bool		clk_delay_enable;
49	unsigned int	ext_cd_gpio;
50	bool		ext_cd_gpio_invert;
51	unsigned int	max_speed;
52	u32		host_caps;
53	u32		host_caps2;
54	unsigned int	quirks;
55	unsigned int	quirks2;
56	unsigned int	pm_caps;
57};
58#endif /* _PXA_SDHCI_H_ */
59