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 3/4] ARM64: dts: fsl: imx8mm-evk: add two parameters for picophy tuning
Date: Thu, 9 Jul 2020 18:59:01 +0800 [thread overview]
Message-ID: <20200709105902.23165-3-peter.chen@nxp.com> (raw)
In-Reply-To: <20200709105902.23165-1-peter.chen@nxp.com>
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>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index 0f1d7f8aeac4..c432b628e1ed 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;
+ picophy,pre-emp-curr-control = <3>;
+ picophy,dc-vol-level-adjust = <7>;
status = "okay";
port {
--
2.17.1
next prev parent reply other threads:[~2020-07-09 10:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 10:58 [PATCH 1/4] doc: dt-binding: ci-hdrc-usb2: add property for imx picophy Peter Chen
2020-07-09 10:59 ` [PATCH 2/4] usb: chipidea: imx: add two picophy parameters tuning implementation Peter Chen
2020-07-09 10:59 ` Peter Chen [this message]
2020-07-13 8:36 ` [PATCH 3/4] ARM64: dts: fsl: imx8mm-evk: add two parameters for picophy tuning Shawn Guo
2020-07-13 8:40 ` Peter Chen
2020-07-09 10:59 ` [PATCH 4/4] ARM64: dts: fsl: imx8mn-evk: " Peter Chen
2020-07-13 8:31 ` [PATCH 1/4] doc: dt-binding: ci-hdrc-usb2: add property for imx picophy Shawn Guo
2020-07-13 8:38 ` Peter Chen
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