[U-Boot] [PATCH] ARM: dts: stm32: limit sdio frequency to 14Mhz for stm32f429i-eval

patrice.chotard at st.com patrice.chotard at st.com
Thu Feb 8 16:25:19 UTC 2018


From: Patrice Chotard <patrice.chotard at st.com>

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 at st.com>
---
 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 362ea4245e5b..4bf53a717d92 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 {
-- 
1.9.1



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