imx8mq: tune strobe-dll-delay-target
mmcblk0 errors are seen with the value 5, and not seen
with value 4.
strobe-dll-delay-target is documented as such:
"Due to the time delay between CLK line and data_strobe
line, if the delay time is larger than one clock cycle,
then CLK and data_strobe line will be misaligned, read
error shows up."
BUG: 143714428
Change-Id: I9d283ec33b47291999291e546e4dbac9ac0d254c
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi
index 830b1a7..b560bec 100755
--- a/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mq.dtsi
@@ -1039,7 +1039,7 @@
assigned-clock-rates = <400000000>;
fsl,tuning-start-tap = <20>;
fsl,tuning-step = <2>;
- fsl,strobe-dll-delay-target = <5>;
+ fsl,strobe-dll-delay-target = <4>;
bus-width = <4>;
status = "disabled";
};
