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authorHaibo Chen <haibo.chen@nxp.com>2020-02-19 16:25:04 +0800
committerUlf Hansson <ulf.hansson@linaro.org>2020-03-24 14:35:41 +0100
commit0299138af65869af7809ed2a6edb897c8fdfc52a (patch)
tree5227e7198252a0bd3119e83ec77f3abde643c733
parentmmc: sdhci-esdhc-imx: restore the per_clk rate in PM_RUNTIME (diff)
downloadwireguard-linux-0299138af65869af7809ed2a6edb897c8fdfc52a.tar.xz
wireguard-linux-0299138af65869af7809ed2a6edb897c8fdfc52a.zip
doc: dt: fsl-imx-esdhc: add strobe-dll-delay-target binding
Add fsl,strobe-dll-delay-target binding. Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Link: https://lore.kernel.org/r/1582100704-20601-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt5
1 files changed, 5 insertions, 0 deletions
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: