linux_dsm_epyc7002/arch/arm/mach-omap2/hsmmc.h
Adrian Hunter 1df58db8a2 omap_hsmmc: Allow for power saving without going off
An eMMC may be always powered on, so that the lowest
power saving state possible is sleeping. Add a field
to the platform data to indicate that.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-02-15 10:03:34 -08:00

38 lines
1.1 KiB
C

/*
* MMC definitions for OMAP2
*
* 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.
*/
struct omap2_hsmmc_info {
u8 mmc; /* controller 1/2/3 */
u8 wires; /* 1/4/8 wires */
bool transceiver; /* MMC-2 option */
bool ext_clock; /* use external pin for input clock */
bool cover_only; /* No card detect - just cover switch */
bool nonremovable; /* Nonremovable e.g. eMMC */
bool power_saving; /* Try to sleep or power off when possible */
bool no_off; /* power_saving and power is not to go off */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
char *name; /* or NULL for default */
struct device *dev; /* returned: pointer to mmc adapter */
int ocr_mask; /* temporary HACK */
/* Remux (pad configuation) when powering on/off */
void (*remux)(struct device *dev, int slot, int power_on);
};
#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
void omap2_hsmmc_init(struct omap2_hsmmc_info *);
#else
static inline void omap2_hsmmc_init(struct omap2_hsmmc_info *info)
{
}
#endif