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authorIgor Opaniuk <igor.opaniuk@toradex.com>2019-05-30 12:21:33 +0300
committerIgor Opaniuk <igor.opaniuk@toradex.com>2019-06-05 11:17:41 +0300
commit848652a67b9a125d52298ba90dbeab7ce7882ff1 (patch)
treeca27458456488916cf7ae7828e44f706241b42a6
parent308edefe57c5c96fad196b6e65fa159857e969f3 (diff)
colibri-imx6ull: add fsl,tuning-start-tap propertytoradex_4.9-1.0.x-imx-next
Specify the start dealy cell point when send first CMD19 in tuning procedure. This fixes these tunning procedure issues, and lets to use UHS-I mode properly: sdhci: Tuning procedure failed, falling back to fixed sampling clock mmcblk0: error -84 transferring data, sector 0, nr 8, cmd response 0x900, card status 0xb00 Fixes: http://redmine.toradex.int/issues/46566 Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
-rw-r--r--arch/arm/boot/dts/imx6ull.dtsi2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ull.dtsi b/arch/arm/boot/dts/imx6ull.dtsi
index b3702db..b6efe20 100644
--- a/arch/arm/boot/dts/imx6ull.dtsi
+++ b/arch/arm/boot/dts/imx6ull.dtsi
@@ -914,6 +914,7 @@
assigned-clock-rates = <0>, <132000000>;
bus-width = <4>;
fsl,tuning-step= <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};
@@ -930,6 +931,7 @@
assigned-clock-rates = <0>, <132000000>;
bus-width = <4>;
fsl,tuning-step= <2>;
+ fsl,tuning-start-tap = <20>;
status = "disabled";
};