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ARM: dts: aspeed: wedge400: Set eMMC max frequency
authorTao Ren <rentao.bupt@gmail.com>
Thu, 3 Aug 2023 23:03:24 +0000 (16:03 -0700)
committerJoel Stanley <joel@jms.id.au>
Thu, 10 Aug 2023 12:03:53 +0000 (21:33 +0930)
Set eMMC max frequency to 25MHz to prevent intermittent eMMC access
failures.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20230803230324.731268-4-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts patch | blob | history

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 5c55afe..d17b977 100644 (file)
--- 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 @@
 };
 
 &sdhci1 {
+       max-frequency = <25000000>;
        /*
         * DMA mode needs to be disabled to avoid conflicts with UHCI
         * Controller in AST2500 SoC.
Domain: System / Kernel;