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Commit d8714e87 authored by Daniel Mack's avatar Daniel Mack Committed by Chris Ball
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mmc: omap_hsmmc: add DT property for max bus frequency 



Maximum bus frequency can be limited by external circuitry like level
shifters etc. Allow passing this value from DT.

Signed-off-by: default avatarDaniel Mack <zonque@gmail.com>
Signed-off-by: default avatarVenkatraman S <svenkatr@ti.com>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 46b76035

drivers/mmc/host/omap_hsmmc.c

+4 −1
Original line number Diff line number Diff line
@@ -1679,7 +1679,7 @@ static struct omap_mmc_platform_data *of_get_hsmmc_pdata(struct device *dev) 
{

	struct omap_mmc_platform_data *pdata;

	struct device_node *np = dev->of_node;

	u32 bus_width;

	u32 bus_width, max_freq;



	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);

	if (!pdata)
@@ -1706,6 +1706,9 @@ static struct omap_mmc_platform_data *of_get_hsmmc_pdata(struct device *dev) 
	if (of_find_property(np, "ti,needs-special-reset", NULL))

		pdata->slots[0].features |= HSMMC_HAS_UPDATED_RESET;



	if (!of_property_read_u32(np, "max-frequency", &max_freq))

		pdata->max_freq = max_freq;



	return pdata;

}

#else