Update quirk if 1.8 voltage switching is not supported
on boards by reading the property "no-1-8-v" from device
tree.
Signed-off-by: Siva Durga Prasad Paladugu <siva...@xilinx.com>
---
Changes from v1:
- None
---
drivers/mmc/zynq_sdhci.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 7c42a78..4875a4e 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -33,6 +33,7 @@ struct arasan_sdhci_priv {
struct sdhci_host *host;
u8 deviceid;
u8 bank;
+ u8 no_1p8;
};
#if defined(CONFIG_ARCH_ZYNQMP)
@@ -175,8 +176,12 @@ static int arasan_sdhci_probe(struct udevice *dev)
host->max_clk = CONFIG_ZYNQ_SDHCI_MAX_FREQ;
+ if (priv->no_1p8)
+ host->quirks |= SDHCI_QUIRK_NO_1_8_V;
+
ret = sdhci_setup_cfg(&plat->cfg, host, 0,
CONFIG_ZYNQ_SDHCI_MIN_FREQ);
+
host->mmc = &plat->mmc;
if (ret)
return ret;
@@ -207,6 +212,10 @@ static int arasan_sdhci_ofdata_to_platdata(struct udevice
*dev)
"xlnx,device_id", -1);
priv->bank = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"xlnx,mio_bank", -1);
+ if (fdt_get_property(gd->fdt_blob, dev->of_offset, "no-1-8-v", NULL))
+ priv->no_1p8 = 1;
+ else
+ priv->no_1p8 = 0;
return 0;
}
--
2.7.4
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