[PATCH 3/3] ARM: dts: aspeed: wedge400: Set eMMC max frequency

From: rentao . bupt
Date: Thu Aug 03 2023 - 19:04:21 EST


From: Tao Ren <rentao.bupt@xxxxxxxxx>

Set eMMC max frequency to 25MHz to prevent intermittent eMMC access
failures.

Signed-off-by: Tao Ren <rentao.bupt@xxxxxxxxx>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
index 5c55afed946f..d17b977fee9b 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
@@ -367,6 +367,7 @@ &uhci {
};

&sdhci1 {
+ max-frequency = <25000000>;
/*
* DMA mode needs to be disabled to avoid conflicts with UHCI
* Controller in AST2500 SoC.
--
2.40.1