The eMMCs on am625 currently only work reliably with 25MHz. Until this issue is sorted out limit them to 25MHz on the affected boards (beagleplay and am625-sk). Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm/dts/k3-am625-beagleplay.dts | 4 ++++ arch/arm/dts/k3-am625-sk.dts | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/arch/arm/dts/k3-am625-beagleplay.dts b/arch/arm/dts/k3-am625-beagleplay.dts index 60340ab8ca..73ac950414 100644 --- a/arch/arm/dts/k3-am625-beagleplay.dts +++ b/arch/arm/dts/k3-am625-beagleplay.dts @@ -29,3 +29,7 @@ AM62X_IOPAD(0x0224, PIN_INPUT, 0) /* (D22) MMC1_DAT3 */ AM62X_IOPAD(0x0240, PIN_INPUT, 0) /* (D17) MMC1_SDCD */ >; }; + +&sdhci0 { + max-frequency = <26000000>; +}; diff --git a/arch/arm/dts/k3-am625-sk.dts b/arch/arm/dts/k3-am625-sk.dts index 1982c34388..56d5681519 100644 --- a/arch/arm/dts/k3-am625-sk.dts +++ b/arch/arm/dts/k3-am625-sk.dts @@ -7,3 +7,7 @@ * DRAM size differs between board variants. Real size is read from DDRSS */ /delete-node/ &{/memory@80000000}; + +&sdhci0 { + max-frequency = <26000000>; +}; -- 2.39.5