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/* linux/arch/arm/plat-pxa/include/plat/sdhci.h
*
* Copyright 2010 Marvell
* Zhangfei Gao <zhangfei.gao@marvell.com>
*
* PXA Platform - SDHCI platform data definitions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __PLAT_PXA_SDHCI_H
#define __PLAT_PXA_SDHCI_H
/* pxa specific flag */
/* Require clock free running */
#define PXA_FLAG_ENABLE_CLOCK_GATING (1<<0)
/* card always wired to host, like on-chip emmc */
#define PXA_FLAG_CARD_PERMANENT (1<<1)
/* Board design supports 8-bit data on SD/SDIO BUS */
#define PXA_FLAG_SD_8_BIT_CAPABLE_SLOT (1<<2)
/*
* struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI
* @flags: flags for platform requirement
* @clk_delay_cycles:
* mmp2: each step is roughly 100ps, 5bits width
* pxa910: each step is 1ns, 4bits width
* @clk_delay_sel: select clk_delay, used on pxa910
* 0: choose feedback clk
* 1: choose feedback clk + delay value
* 2: choose internal clk
* @clk_delay_enable: enable clk_delay or not, used on pxa910
* @ext_cd_gpio: gpio pin used for external CD line
* @ext_cd_gpio_invert: invert values for external CD gpio line
* @max_speed: the maximum speed supported
* @host_caps: Standard MMC host capabilities bit field.
* @quirks: quirks of platfrom
* @pm_caps: pm_caps of platfrom
*/
struct sdhci_pxa_platdata {
unsigned int flags;
unsigned int clk_delay_cycles;
unsigned int clk_delay_sel;
bool clk_delay_enable;
unsigned int ext_cd_gpio;
bool ext_cd_gpio_invert;
unsigned int max_speed;
unsigned int host_caps;
unsigned int quirks;
unsigned int pm_caps;
};
struct sdhci_pxa {
u8 clk_enable;
u8 power_mode;
};
#endif /* __PLAT_PXA_SDHCI_H */
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