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Fri, 17 Jul 2020 04:22:52 +0000 From: Peter Chen To: shawnguo@kernel.org, robh+dt@kernel.org Cc: linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, devicetree@vger.kernel.org, linux-imx@nxp.com, linux-usb@vger.kernel.org, Peter Chen Subject: [PATCH v2 3/4] arm64: dts: imx8mm-evk: add two parameters for picophy tuning Date: Fri, 17 Jul 2020 12:22:25 +0800 Message-Id: <20200717042226.18495-3-peter.chen@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200717042226.18495-1-peter.chen@nxp.com> References: <20200717042226.18495-1-peter.chen@nxp.com> Content-Type: text/plain X-ClientProxiedBy: SG2PR0302CA0010.apcprd03.prod.outlook.com (2603:1096:3:2::20) To AM7PR04MB7157.eurprd04.prod.outlook.com (2603:10a6:20b:118::20) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from b29397-desktop.ap.freescale.net (119.31.174.67) by SG2PR0302CA0010.apcprd03.prod.outlook.com (2603:1096:3:2::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3195.9 via Frontend Transport; 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Reviewed-by: Jun Li Signed-off-by: Peter Chen --- Changes for v2 - Address Shawn's comment to change subject. 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 735CCC433E4 for ; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Peter Chen , linux-usb@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org With these two parameters tuning, it can pass USB eye diagram at evk board. Reviewed-by: Jun Li Signed-off-by: Peter Chen --- Changes for v2 - Address Shawn's comment to change subject. 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel