From: Peter Chen <peter.chen@nxp.com>
Date: Fri, 24 Jul 2020 06:05:31 +0000 (+0800)
Subject: arm64: dts: imx8mm-evk: add two parameters for samsung picophy tuning
X-Git-Tag: v5.10-rc1~26^2~27^2~67
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b9c7113bbdda65343d8c5d6f48cbfd8835cd003d;p=thirdparty%2Flinux.git

arm64: dts: imx8mm-evk: add two parameters for samsung picophy tuning

With these two parameters tuning, it can pass USB eye diagram at evk board.

Reviewed-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index 0f1d7f8aeac47..7c652b898114a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
@@ -324,6 +324,8 @@
 	srp-disable;
 	adp-disable;
 	usb-role-switch;
+	samsung,picophy-pre-emp-curr-control = <3>;
+	samsung,picophy-dc-vol-level-adjust = <7>;
 	status = "okay";
 
 	port {