[U-Boot] [PATCH 3/7] mmc: Parse no-1-8-v DT property

Peng Fan peng.fan at nxp.com
Wed Jul 10 07:51:22 UTC 2019


Parse no-1-8-v DT

Signed-off-by: Peng Fan <peng.fan at nxp.com>
Cc: Jean-Jacques Hiblot <jjhiblot at ti.com>
Cc: Marek Vasut <marek.vasut+renesas at gmail.com>
---
 drivers/mmc/mmc-uclass.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 012784f28c..d865a01e00 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -197,6 +197,11 @@ int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
 			cfg->host_caps |= MMC_CAP_NEEDS_POLL;
 	}
 
+	if (dev_read_bool(dev, "no-1-8-v")) {
+		cfg->host_caps &= ~(UHS_CAPS | MMC_MODE_HS200 |
+				    MMC_MODE_HS400 | MMC_MODE_HS400_ES);
+	}
+
 	return 0;
 }
 
-- 
2.16.4



More information about the U-Boot mailing list