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

rentao.bupt at gmail.com rentao.bupt at gmail.com
Fri Aug 4 09:03:24 AEST 2023


From: Tao Ren <rentao.bupt at gmail.com>

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

Signed-off-by: Tao Ren <rentao.bupt at gmail.com>
---
 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



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