提交 fb00f196 编写于 作者: U 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: NUlf Hansson <ulf.hansson@linaro.org>
Reviewed-by: NShawn Lin <shawn.lin@rock-chips.com>
Tested-by: NJan Glauber <jglauber@cavium.com>
Tested-by: NStefan Wahren <stefan.wahren@i2se.com>
上级 41efc76e
......@@ -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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