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 sivadur@xilinx.com --- drivers/mmc/zynq_sdhci.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index e1377cd..124a908 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) @@ -173,6 +174,9 @@ static int arasan_sdhci_probe(struct udevice *dev) host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; #endif
+ if (priv->no_1p8) + host->quirks |= SDHCI_QUIRK_NO_1_8_V; + ret = sdhci_setup_cfg(&plat->cfg, host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, CONFIG_ZYNQ_SDHCI_MIN_FREQ); host->mmc = &plat->mmc; @@ -205,6 +209,10 @@ 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; }