Commit fb00f196 authored Jan 25, 2017 by Ulf Hansson

mmc: core: Extend mmc_of_parse() to check for mmc-ddr-3_3v



When mmc_of_parse() finds the binding, it sets the mmc cap,
MMC_CAP_3_3V_DDR, which informs the core whether eMMC DDR at 3.3V I/O is
supported by the mmc host.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Tested-by: Jan Glauber <jglauber@cavium.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>

parent 41efc76e

drivers/mmc/core/host.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -301,6 +301,8 @@ int mmc_of_parse(struct mmc_host *host)
		if (of_property_read_bool(np, "wakeup-source") \|\|
		of_property_read_bool(np, "enable-sdio-wakeup")) /* legacy */
		host->pm_caps \|= MMC_PM_WAKE_SDIO_IRQ;
		if (of_property_read_bool(np, "mmc-ddr-3_3v"))
		host->caps \|= MMC_CAP_3_3V_DDR;
		if (of_property_read_bool(np, "mmc-ddr-1_8v"))
		host->caps \|= MMC_CAP_1_8V_DDR;
		if (of_property_read_bool(np, "mmc-ddr-1_2v"))

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