diff mbox series

[08/14] doc: dt: fsl-imx-esdhc: add strobe-dll-delay-target binding

Message ID 1573816606-26779-1-git-send-email-haibo.chen@nxp.com (mailing list archive)
State New, archived
Headers show
Series [01/14] mmc: sdhci: do not enable card detect interrupt for gpio cd type | expand

Commit Message

Bough Chen Nov. 15, 2019, 11:16 a.m. UTC 
From: Haibo Chen <haibo.chen@nxp.com>

Add fsl,strobe-dll-delay-target binding.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Rob Herring (Arm) Dec. 3, 2019, 7:21 p.m. UTC | #1 
On Fri, 15 Nov 2019 19:16:45 +0800, haibo.chen@nxp.com wrote:
> From: Haibo Chen <haibo.chen@nxp.com>
> 
> Add fsl,strobe-dll-delay-target binding.
> 
> Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
> ---
>  Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
index f707b8bee304..d50144f5f1d2 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
@@ -38,6 +38,11 @@  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: