X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=Documentation%2Fdevicetree%2Fbindings%2Fmmc%2Ffsl-imx-esdhc.txt;fp=Documentation%2Fdevicetree%2Fbindings%2Fmmc%2Ffsl-imx-esdhc.txt;h=9046ba06c47ab63570f99769455dcfeeea020e10;hb=602519b2bd63adfdf9e24b2f94aaddcfeb464e9e;hp=1dd622546d06b711bf262358b387b4bb9af3f68a;hpb=de5bdbffd89dea0e3de76f99b0b036422bb93686;p=karo-tx-linux.git diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index 1dd622546d06..9046ba06c47a 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -12,6 +12,11 @@ Required properties: Optional properties: - fsl,cd-controller : Indicate to use controller internal card detection - fsl,wp-controller : Indicate to use controller internal write protection +- fsl,delay-line : Specify the number of delay cells for override mode. + This is used to set the clock delay for DLL(Delay Line) on override mode + to select a proper data sampling window in case the clock quality is not good + due to signal path is too long on the board. Please refer to eSDHC/uSDHC + chapter, DLL (Delay Line) section in RM for details. Examples: