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=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 D0F5CC4363D for ; Wed, 23 Sep 2020 07:52:55 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8018421924 for ; Wed, 23 Sep 2020 07:52:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="epW87WZq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8018421924 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=gHmx9tfYVvTqKBHxq8g8LCf/EldiicdQE5XeCBBh4jM=; b=epW87WZqy5uq/oxuHcKPaXp66 p5aeYiP6o/7TR89KT1/1izI7MtGxeUUtocQ+Em14fuS5g4kLGy6ucBveIvrgo55CYnmq5M+7ZBixH pHqug7Dh6zGSNmd7oBLZlhsY8uiS7g9dskzim5vos18zlYRQdghiiolv+/YV/qD9S95IF7U83AYcT M8rkAKMBkFxHtmXDKRnXbfkQZf6Qq7A8WxjiUvcPTWdjQNs8v4G9ZoCgM/+JX9BIgfxgE4OH5lYsm NJWmp/3dHR1ZQ8zGIRBbLvIPGP/+awbJfjsXPvpNbX4w0usYPommSEa64Eo5+Kms5PC9w8vJlWXZ8 ujUDE42WA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKzYR-0008NO-3N; Wed, 23 Sep 2020 07:51:07 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKzYN-0008MZ-EP for linux-arm-kernel@lists.infradead.org; Wed, 23 Sep 2020 07:51:06 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kKzY2-0001VP-LH; Wed, 23 Sep 2020 09:50:42 +0200 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1kKzY0-00068p-6f; Wed, 23 Sep 2020 09:50:40 +0200 Date: Wed, 23 Sep 2020 09:50:40 +0200 From: Sascha Hauer To: Li Jun Subject: Re: [PATCH v3 5/6] arm64: dtsi: imx8mp: add usb nodes Message-ID: <20200923075040.GD25328@pengutronix.de> References: <1600771612-30727-1-git-send-email-jun.li@nxp.com> <1600771612-30727-6-git-send-email-jun.li@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1600771612-30727-6-git-send-email-jun.li@nxp.com> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 09:44:39 up 216 days, 15:15, 146 users, load average: 0.01, 0.10, 0.14 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200923_035103_492443_BBAB48F6 X-CRM114-Status: GOOD ( 18.11 ) 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: aisheng.dong@nxp.com, balbi@kernel.org, peng.fan@nxp.com, festevam@gmail.com, fugang.duan@nxp.com, Anson.Huang@nxp.com, mathias.nyman@intel.com, devicetree@vger.kernel.org, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, qiangqing.zhang@nxp.com, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, horia.geanta@nxp.com, shawnguo@kernel.org, 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 On Tue, Sep 22, 2020 at 06:46:51PM +0800, Li Jun wrote: > imx8mp integrates 2 identical dwc3 based USB3 controllers and > Synopsys phys, each instance has additional wakeup logic to > support low power mode, so the glue layer need a node with dwc3 > core sub node. > > Signed-off-by: Li Jun > --- > arch/arm64/boot/dts/freescale/imx8mp.dtsi | 88 +++++++++++++++++++++++++++++++ > 1 file changed, 88 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > index 9de2aa1..1b7ed4c 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi > + usb3_1: usb@32f10108 { > + compatible = "fsl,imx8mp-dwc3"; > + reg = <0x32f10108 0x8>; > + clocks = <&clk IMX8MP_CLK_HSIO_ROOT>, > + <&clk IMX8MP_CLK_USB_ROOT>; > + clock-names = "hsio", "suspend"; > + assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI_SRC>; In Linux-5.9-rc6 this clock doesn't exist anymore. Should be IMX8MP_CLK_HSIO_AXI > + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>; > + assigned-clock-rates = <500000000>; > + interrupts = ; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > + status = "disabled"; > + > + usb_dwc3_1: dwc3@38200000 { > + compatible = "snps,dwc3"; > + reg = <0x38200000 0x10000>; > + clocks = <&clk IMX8MP_CLK_HSIO_AXI>, > + <&clk IMX8MP_CLK_USB_CORE_REF>, > + <&clk IMX8MP_CLK_USB_ROOT>; > + clock-names = "bus_early", "ref", "suspend"; > + assigned-clocks = <&clk IMX8MP_CLK_HSIO_AXI>; > + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_500M>; > + assigned-clock-rates = <500000000>; > + interrupts = ; > + phys = <&usb3_phy1>, <&usb3_phy1>; > + phy-names = "usb2-phy", "usb3-phy"; > + snps,dis-u2-freeclk-exists-quirk; > + xhci-64bit-support-disable; > + status = "disabled"; Does it make sense for a board to enable the parent node and leave this one disabled? If not you can drop this status = "disabled" here. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel