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mmc: tmio: Preinitialize regulator to 3.3V

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Preinitialize the SD card signals regulator to 3.3V, which is the
default post-reset setting, to be sure the regulator is set to a
valid value.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Marek Vasut 2018-06-13 08:02:55 +02:00 committed by Marek Vasut
parent 8171f99e7d
commit c83da2ebc0
1 changed files with 2 additions and 0 deletions
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2
drivers/mmc/tmio-common.c
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@ -720,6 +720,8 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks)
#ifdef CONFIG_DM_REGULATOR
device_get_supply_regulator(dev, "vqmmc-supply", &priv->vqmmc_dev);
if (priv->vqmmc_dev)
regulator_set_value(priv->vqmmc_dev, 3300000);
#endif
ret = mmc_of_parse(dev, &plat->cfg);