From 9edb51f39e2e4e2cb06bd6bc03bdbdc76ca6799e Mon Sep 17 00:00:00 2001 From: Li Jun Date: Sat, 16 May 2020 12:36:52 +0800 Subject: MLK-24050-2 arm64: dts: imx8mp-evk: add usb phy tuning for certification Add phy tuning result for USB certification, mainly for pass eye pattern test, 6 parameters involved, details please check its dt binding doc: Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.txt Reviewed-by: Peter Chen Signed-off-by: Li Jun (cherry picked from commit 87c832bb437df4a88a6331217ca64f6771ca569f) --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/arm64/boot/dts/freescale/imx8mp-evk.dts') diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index cfda6f64e10a..4dfdf5908a0c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -772,6 +772,12 @@ &usb3_phy0 { vbus-power-supply = <&ptn5110>; + fsl,phy-tx-vref-tune = <6>; + fsl,phy-tx-rise-tune = <0>; + fsl,phy-tx-preemp-amp-tune = <3>; + fsl,phy-comp-dis-tune = <7>; + fsl,pcs-tx-deemph-3p5db = <0x21>; + fsl,phy-pcs-tx-swing-full = <0x7f>; status = "okay"; }; @@ -795,6 +801,7 @@ }; &usb3_phy1 { + fsl,phy-tx-preemp-amp-tune = <2>; status = "okay"; }; -- cgit v1.2.3