| Message ID | 20200709105902.23165-4-peter.chen@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
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[1/4] doc: dt-binding: ci-hdrc-usb2: add property for imx picophy
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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 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(+)