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 0f1d7f8..7c652b8 100644 (file)
--- 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 {