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authorSeungwon Jeon <tgih.jun@samsung.com>2014-04-23 17:15:08 +0900
committerChris Ball <chris@printf.net>2014-05-12 18:08:10 -0400
commitc373eb489b27b268c9b8c267b212d10864bc8cdd (patch)
tree4b12ba22b66763b392c0ab1b9e8335fa74b17cee /drivers/mmc/core
parent0a5b6438ee482696360bb013e67b8488f63d3e9e (diff)
downloadlinux-c373eb489b27b268c9b8c267b212d10864bc8cdd.tar.bz2
mmc: core: add DT bindings for eMMC HS400 1.8/1.2V
Provide the option to configure these speed modes per host, for those host driver's that can't distinguish this in runtime. Specially, if host can support HS400, it means that host can also support HS200. Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/host.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index fdea825dbb24..95cceae96944 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -447,6 +447,10 @@ int mmc_of_parse(struct mmc_host *host)
host->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
if (of_find_property(np, "mmc-hs200-1_2v", &len))
host->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
+ if (of_find_property(np, "mmc-hs400-1_8v", &len))
+ host->caps2 |= MMC_CAP2_HS400_1_8V | MMC_CAP2_HS200_1_8V_SDR;
+ if (of_find_property(np, "mmc-hs400-1_2v", &len))
+ host->caps2 |= MMC_CAP2_HS400_1_2V | MMC_CAP2_HS200_1_2V_SDR;
return 0;