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Wed, 14 Jun 2023 11:12:31 +0000 From: Xu Yang To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org, shawnguo@kernel.org, s.hauer@pengutronix.de, jun.li@nxp.com Cc: Frank.Li@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, xu.yang_2@nxp.com Subject: [PATCH 1/2] dt-bindings: phy: fsl,mxs-usbphy: add fsl,hold-line-without-vbus property Date: Wed, 14 Jun 2023 19:15:47 +0800 Message-Id: <20230614111548.1815146-1-xu.yang_2@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: SG2PR06CA0191.apcprd06.prod.outlook.com (2603:1096:4:1::23) To DB7PR04MB4505.eurprd04.prod.outlook.com (2603:10a6:5:39::26) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB7PR04MB4505:EE_|AS8PR04MB9174:EE_ X-MS-Office365-Filtering-Correlation-Id: 5ca93a90-65f2-411a-439d-08db6cc83f2e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This will add a flag "fsl,hold-line-without-vbus" to describe this behavior. Signed-off-by: Xu Yang --- Documentation/devicetree/bindings/phy/fsl,mxs-usbphy.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/fsl,mxs-usbphy.yaml b/Documentation/devicetree/bindings/phy/fsl,mxs-usbphy.yaml index f4b1ca2fb562..c5f9d8a8298e 100644 --- a/Documentation/devicetree/bindings/phy/fsl,mxs-usbphy.yaml +++ b/Documentation/devicetree/bindings/phy/fsl,mxs-usbphy.yaml @@ -87,6 +87,13 @@ properties: maximum: 119 default: 100 + fsl,hold-line-without-vbus: + description: + Normaly, the data line should be disconnected if vbus is not + present. This flag is used to hold data line even though vbus + is not present. + type: boolean + required: - compatible - reg From patchwork Wed Jun 14 11:15:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xu Yang X-Patchwork-Id: 13279932 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3733EB64DA for ; Wed, 14 Jun 2023 11:13:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243076AbjFNLNt (ORCPT ); Wed, 14 Jun 2023 07:13:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235923AbjFNLNJ (ORCPT ); Wed, 14 Jun 2023 07:13:09 -0400 Received: from EUR04-HE1-obe.outbound.protection.outlook.com (mail-he1eur04on2047.outbound.protection.outlook.com [40.107.7.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F1F226A9; 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Wed, 14 Jun 2023 11:12:36 +0000 From: Xu Yang To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, gregkh@linuxfoundation.org, shawnguo@kernel.org, s.hauer@pengutronix.de, jun.li@nxp.com Cc: Frank.Li@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, xu.yang_2@nxp.com Subject: [PATCH 2/2] usb: phy: mxs: add DT bindings to hold data line Date: Wed, 14 Jun 2023 19:15:48 +0800 Message-Id: <20230614111548.1815146-2-xu.yang_2@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230614111548.1815146-1-xu.yang_2@nxp.com> References: <20230614111548.1815146-1-xu.yang_2@nxp.com> X-ClientProxiedBy: SG2PR06CA0191.apcprd06.prod.outlook.com (2603:1096:4:1::23) To DB7PR04MB4505.eurprd04.prod.outlook.com (2603:10a6:5:39::26) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB7PR04MB4505:EE_|DU2PR04MB8647:EE_ X-MS-Office365-Filtering-Correlation-Id: 899731ca-7e2c-481a-159b-08db6cc841f7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This will provide a override from dts node if the user want to hold the data line when vbus is not present. Signed-off-by: Xu Yang --- drivers/usb/phy/phy-mxs-usb.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index e1a2b2ea098b..036bb58a3a71 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -199,7 +199,7 @@ MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids); struct mxs_phy { struct usb_phy phy; struct clk *clk; - const struct mxs_phy_data *data; + struct mxs_phy_data *data; struct regmap *regmap_anatop; int port_id; u32 tx_reg_set; @@ -774,6 +774,11 @@ static int mxs_phy_probe(struct platform_device *pdev) mxs_phy->tx_reg_set |= GM_USBPHY_TX_D_CAL(val); } + mxs_phy->data = (struct mxs_phy_data *)of_device_get_match_data(&pdev->dev); + + if (of_property_present(np, "fsl,hold-line-without-vbus")) + mxs_phy->data->flags &= ~MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS; + ret = of_alias_get_id(np, "usbphy"); if (ret < 0) dev_dbg(&pdev->dev, "failed to get alias id, errno %d\n", ret); @@ -792,7 +797,6 @@ static int mxs_phy_probe(struct platform_device *pdev) mxs_phy->phy.charger_detect = mxs_phy_charger_detect; mxs_phy->clk = clk; - mxs_phy->data = of_device_get_match_data(&pdev->dev); platform_set_drvdata(pdev, mxs_phy);