mmc: add hs400 enhanced strobe support for mmc subsystem

[firefly-linux-kernel-4.4.55.git] / drivers / mmc / core / host.c

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 871989e7c228dc0d468e8ab5f889974684d871ba..71bb2372f71d683e8c4b0d87f9a51a4ce750ae7e 100644 (file)
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -289,6 +289,8 @@ int mmc_of_parse(struct mmc_host *host)
                host->caps2 |= MMC_CAP2_HS400_1_8V | MMC_CAP2_HS200_1_8V_SDR;
        if (of_property_read_bool(np, "mmc-hs400-1_2v"))
                host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR;
+       if (of_property_read_bool(np, "mmc-hs400-enhanced-strobe"))
+               host->caps2 |= MMC_CAP2_HS400_ENHANCED_STROBE;
 
        if (of_property_read_bool(np, "supports-sd"))
                host->restrict_caps |= RESTRICT_CARD_TYPE_SD;