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mmc: Read sd card detect properties from DT 

This patch reads card detect properties from device tree &
added mmc capability macros in mmc.h.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
T Karthik Reddy 2019-06-25 13:39:02 +02:00 committed by Peng Fan
parent e3a14b6684
commit 86a94e7b2b
2 changed files with 13 additions and 0 deletions
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9
drivers/mmc/mmc-uclass.c
View File

@ -171,6 +171,15 @@ int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
if (dev_read_bool(dev, "mmc-hs400-1_2v"))
cfg->host_caps |= MMC_CAP(MMC_HS_400);
if (dev_read_bool(dev, "non-removable")) {
cfg->host_caps |= MMC_CAP_NONREMOVABLE;
} else {
if (dev_read_bool(dev, "cd-inverted"))
cfg->host_caps |= MMC_CAP_CD_ACTIVE_HIGH;
if (dev_read_bool(dev, "broken-cd"))
cfg->host_caps |= MMC_CAP_NEEDS_POLL;
}
return 0;
}

4
include/mmc.h
View File

@ -66,6 +66,10 @@
#define MMC_MODE_HS200 MMC_CAP(MMC_HS_200)
#define MMC_MODE_HS400 MMC_CAP(MMC_HS_400)
#define MMC_CAP_NONREMOVABLE BIT(14)
#define MMC_CAP_NEEDS_POLL BIT(15)
#define MMC_CAP_CD_ACTIVE_HIGH BIT(16)
#define MMC_MODE_8BIT BIT(30)
#define MMC_MODE_4BIT BIT(29)
#define MMC_MODE_1BIT BIT(28)