[U-Boot] [PATCH V3 05/13] mmc: tmio: Preinitialize regulator to 3.3V
Marek Vasut
marek.vasut at gmail.com
Fri Nov 2 15:03:20 UTC 2018
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 at gmail.com>
Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
---
V2: No change
V3: No change
---
drivers/mmc/tmio-common.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index 2a73829d99..0eca83a0f4 100644
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -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);
--
2.18.0
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