From dd1e3e799a353a81be7eaaf7c0517c33c33edd18 Mon Sep 17 00:00:00 2001 From: Patrice Chotard Date: Thu, 8 Feb 2018 17:25:19 +0100 Subject: [PATCH] ARM: dts: stm32: limit sdio frequency to 14Mhz for stm32f429i-eval This avoids the following errors while reading on mmc: Read data bytes CRC error: 0x2 switch to partitions #0, OK mmc0 is current device Read data bytes CRC error: 0x82002 ** Unrecognized filesystem type ** Signed-off-by: Patrice Chotard --- arch/arm/dts/stm32429i-eval.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/dts/stm32429i-eval.dts b/arch/arm/dts/stm32429i-eval.dts index 362ea4245e..4bf53a717d 100644 --- a/arch/arm/dts/stm32429i-eval.dts +++ b/arch/arm/dts/stm32429i-eval.dts @@ -230,6 +230,7 @@ pinctrl-0 = <&sdio_pins>; pinctrl-1 = <&sdio_pins_od>; bus-width = <4>; + max-frequency = <14000000>; }; &timers1 { -- 2.25.1