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X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org The data line can be kept or disconnected when vbus is not present. 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: 13279929 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2C286EB64DA for ; Wed, 14 Jun 2023 11:12:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 899731ca-7e2c-481a-159b-08db6cc841f7 X-MS-Exchange-CrossTenant-AuthSource: DB7PR04MB4505.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jun 2023 11:12:36.0780 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: clBpXC3YrwSO88qRkT9LgKLeoA8UTpdZpFnYBy8bl1VzlvYhzRAqkC6IlMTLOcm9bLHnvQTAaWvFsSsGispCbA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU2PR04MB8647 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230614_041249_987557_5BDCE253 X-CRM114-Status: GOOD ( 13.25 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Whether the data line is disconnected when vbus is not present is related to whether the platform data set MXS_PHY_DISCONNECT_LINE_WITHOUT_VBUS flag. 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);