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arm64: dts: imx8mn-evk: add two parameters for samsung picophy tuning
author
Peter Chen
<peter.chen@nxp.com>
Fri, 24 Jul 2020 06:05:32 +0000
(14:05 +0800)
committer
Shawn Guo
<shawnguo@kernel.org>
Sat, 22 Aug 2020 03:31:09 +0000
(11:31 +0800)
With these two parameters tuning, it can pass USB eye diagram at evk board.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
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diff --git
a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
index
98f5324
..
5662ba4
100644
(file)
--- a/
arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
+++ b/
arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
@@
-132,6
+132,8
@@
srp-disable;
adp-disable;
usb-role-switch;
+ samsung,picophy-pre-emp-curr-control = <3>;
+ samsung,picophy-dc-vol-level-adjust = <7>;
status = "okay";
port {