dm: mmc: update mmc_of_parse()
* convert to livetree API
* don't fail because of an invalid bus-width, instead default to 1-bit.
* recognize 1.2v DDR and 1.2v HS200 flags
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index e30cde7..bfda942 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -10,7 +10,6 @@
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
-#include <dm/root.h>
#include "mmc_private.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -120,11 +119,11 @@
return dm_mmc_execute_tuning(mmc->dev, opcode);
}
-int mmc_of_parse(const void *fdt, int node, struct mmc_config *cfg)
+int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
{
int val;
- val = fdtdec_get_int(fdt, node, "bus-width", 1);
+ val = dev_read_u32_default(dev, "bus-width", 1);
switch (val) {
case 0x8:
@@ -137,30 +136,35 @@
cfg->host_caps |= MMC_MODE_1BIT;
break;
default:
- printf("error: %s invalid bus-width property %d\n",
- fdt_get_name(fdt, node, NULL), val);
- return -ENOENT;
+ debug("warning: %s invalid bus-width property. using 1-bit\n",
+ dev_read_name(dev));
+ cfg->host_caps |= MMC_MODE_1BIT;
+ break;
}
- cfg->f_max = fdtdec_get_int(fdt, node, "max-frequency", 52000000);
+ cfg->f_max = dev_read_u32_default(dev, "max-frequency", 52000000);
- if (fdtdec_get_bool(fdt, node, "cap-sd-highspeed"))
+ if (dev_read_bool(dev, "cap-sd-highspeed"))
cfg->host_caps |= MMC_CAP(SD_HS);
- if (fdtdec_get_bool(fdt, node, "cap-mmc-highspeed"))
+ if (dev_read_bool(dev, "cap-mmc-highspeed"))
cfg->host_caps |= MMC_CAP(MMC_HS);
- if (fdtdec_get_bool(fdt, node, "sd-uhs-sdr12"))
+ if (dev_read_bool(dev, "sd-uhs-sdr12"))
cfg->host_caps |= MMC_CAP(UHS_SDR12);
- if (fdtdec_get_bool(fdt, node, "sd-uhs-sdr25"))
+ if (dev_read_bool(dev, "sd-uhs-sdr25"))
cfg->host_caps |= MMC_CAP(UHS_SDR25);
- if (fdtdec_get_bool(fdt, node, "sd-uhs-sdr50"))
+ if (dev_read_bool(dev, "sd-uhs-sdr50"))
cfg->host_caps |= MMC_CAP(UHS_SDR50);
- if (fdtdec_get_bool(fdt, node, "sd-uhs-sdr104"))
+ if (dev_read_bool(dev, "sd-uhs-sdr104"))
cfg->host_caps |= MMC_CAP(UHS_SDR104);
- if (fdtdec_get_bool(fdt, node, "sd-uhs-ddr50"))
+ if (dev_read_bool(dev, "sd-uhs-ddr50"))
cfg->host_caps |= MMC_CAP(UHS_DDR50);
- if (fdtdec_get_bool(fdt, node, "mmc-ddr-1_8v"))
+ if (dev_read_bool(dev, "mmc-ddr-1_8v"))
+ cfg->host_caps |= MMC_CAP(MMC_DDR_52);
+ if (dev_read_bool(dev, "mmc-ddr-1_2v"))
cfg->host_caps |= MMC_CAP(MMC_DDR_52);
- if (fdtdec_get_bool(fdt, node, "mmc-hs200-1_8v"))
+ if (dev_read_bool(dev, "mmc-hs200-1_8v"))
+ cfg->host_caps |= MMC_CAP(MMC_HS_200);
+ if (dev_read_bool(dev, "mmc-hs200-1_2v"))
cfg->host_caps |= MMC_CAP(MMC_HS_200);
return 0;