From: Patrice Chotard <patrice.chotard@st.com>
Date: Thu, 8 Feb 2018 16:25:19 +0000 (+0100)
Subject: ARM: dts: stm32: limit sdio frequency to 14Mhz for stm32f429i-eval
X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=dd1e3e799a353a81be7eaaf7c0517c33c33edd18;p=u-boot.git

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 <patrice.chotard@st.com>
---

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 {