summaryrefslogtreecommitdiff
path: root/drivers/mmc/core/host.c
diff options
context:
space:
mode:
authorUlf Hansson <ulf.hansson@linaro.org>2014-02-14 13:27:08 +0100
committerChris Ball <chris@printf.net>2014-02-22 13:51:10 -0500
commitc0baf8485928b2db8a9530672d522d758746a2b6 (patch)
treec0bf4982b52ffca8ae77f9a3590f666590438873 /drivers/mmc/core/host.c
parentb66bd0e4d00c89102851c1bc9a0f738a4ad9ca2d (diff)
mmc: core: Add DT bindings for eMMC high-speed DDR 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. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/core/host.c')
-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 2644d91fd336..d014127f1043 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -439,6 +439,10 @@ int mmc_of_parse(struct mmc_host *host)
host->pm_caps |= MMC_PM_KEEP_POWER;
if (of_find_property(np, "enable-sdio-wakeup", &len))
host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
+ if (of_find_property(np, "mmc-ddr-1_8v", &len))
+ host->caps |= MMC_CAP_1_8V_DDR;
+ if (of_find_property(np, "mmc-ddr-1_2v", &len))
+ host->caps |= MMC_CAP_1_2V_DDR;
return 0;