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ARM: OMAP: hsmmc: add max_freq field

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External circuitry like level shifters may limit the maximum operation
speed of the hsmmc controller. Add a field to struct omap2_hsmmc_info
so boards can adjust the setting on demand.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Daniel Mack
2012-02-19 13:20:33 +01:00
committed by Chris Ball
parent b81cfc4130
commit d418ed87c4
3 changed files with 9 additions and 2 deletions
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2
arch/arm/mach-omap2/hsmmc.h
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@@ -26,6 +26,8 @@ struct omap2_hsmmc_info {
char *name; /* or NULL for default */
struct device *dev; /* returned: pointer to mmc adapter */
int ocr_mask; /* temporary HACK */
int max_freq; /* maximum clock, if constrained by external
* circuitry, or 0 for default */
/* Remux (pad configuration) when powering on/off */
void (*remux)(struct device *dev, int slot, int power_on);
/* init some special card */