| Message ID | 20200709105902.23165-4-peter.chen@nxp.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show
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From: Peter Chen <peter.chen@nxp.com>
To: shawnguo@kernel.org, robh+dt@kernel.org
Cc: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de,
devicetree@vger.kernel.org, fabio.estevam@nxp.com,
linux-imx@nxp.com, linux-usb@vger.kernel.org, jun.li@nxp.com,
Peter Chen <peter.chen@nxp.com>
Subject: [PATCH 4/4] ARM64: dts: fsl: imx8mn-evk: add two parameters for
picophy tuning
Date: Thu, 9 Jul 2020 18:59:02 +0800
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| Series |
[1/4] doc: dt-binding: ci-hdrc-usb2: add property for imx picophy
|
expand
|
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi index 85fc0aa38c4f..a6e9035e6cd5 100644 --- 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; + picophy,pre-emp-curr-control = <3>; + picophy,dc-vol-level-adjust = <7>; status = "okay"; port {
With these two parameters tuning, it can pass USB eye diagram at evk board. Signed-off-by: Peter Chen <peter.chen@nxp.com> --- arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 2 ++ 1 file changed, 2 insertions(+)