From: Jonas Karlman <jonas@kwiboo.se>
Date: Mon, 8 Apr 2024 21:06:16 +0000 (+0000)
Subject: mmc: Add support for the no-mmc-hs400 prop
X-Git-Tag: v2025.01-rc5-pxa1908~507^2~2
X-Git-Url: http://git.dujemihanovic.xyz/img/html/index.html?a=commitdiff_plain;h=4d3dc72165486c88214fbcaa9742ce7dee9693b3;p=u-boot.git
mmc: Add support for the no-mmc-hs400 prop
The linux commit f722e650d965 ("mmc: core: add support for disabling
HS400 mode via DT") added support for a no-mmc-hs400 prop.
Add support for the no-mmc-hs400 prop to disable HS400 host caps.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
---
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 22c64aa949..24170c59ec 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -262,6 +262,9 @@ int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
cfg->host_caps |= MMC_CAP(MMC_HS_400) | MMC_CAP(MMC_HS_200);
if (dev_read_bool(dev, "mmc-hs400-enhanced-strobe"))
cfg->host_caps |= MMC_CAP(MMC_HS_400_ES);
+ if (dev_read_bool(dev, "no-mmc-hs400"))
+ cfg->host_caps &= ~(MMC_CAP(MMC_HS_400) |
+ MMC_CAP(MMC_HS_400_ES));
if (dev_read_bool(dev, "non-removable")) {
cfg->host_caps |= MMC_CAP_NONREMOVABLE;