From 0299138af65869af7809ed2a6edb897c8fdfc52a Mon Sep 17 00:00:00 2001 From: Haibo Chen Date: Wed, 19 Feb 2020 16:25:04 +0800 Subject: doc: dt: fsl-imx-esdhc: add strobe-dll-delay-target binding Add fsl,strobe-dll-delay-target binding. Signed-off-by: Haibo Chen Link: https://lore.kernel.org/r/1582100704-20601-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index 0f97d711444e..de1b8bd550d3 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -43,6 +43,11 @@ Optional properties: This property allows user to change the tuning step to more than one delay cells which is useful for some special boards or cards when the default tuning step can't find the proper delay window within limited tuning retries. +- fsl,strobe-dll-delay-target: Specify the strobe dll control slave delay target. + This delay target programming host controller loopback read clock, and this + property allows user to change the delay target for the strobe input read clock. + If not use this property, driver default set the delay target to value 7. + Only eMMC HS400 mode need to take care of this property. Examples: -- cgit v1.2.3