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 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 AB982CAC592 for ; Mon, 15 Sep 2025 14:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To: Content-Type:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xigNK625I0WU6wh+GslJ+bCKkPMqF8Fnca2KiOUET1w=; b=W26ay890yWUhBHSc9exlX8TiiA JXfLkG3Q7EJSD3EqXAZamLm/etyUvG5w2eDf9OQaLxvnBTegiy4Y8V2Q2pBhg4eElZcfNUEAKdlmE 3MzvjPAFKv4TMaLPrCiOEv4VpvRTElSeZi5RMC99oaODQimNqm8nh861WWmkJIQKTaLlHGaqhH7Or SJvNcIUfGED2RmhoxAmyjBLsGynHHYyJFrrTdlqEqrOx8ssWUodSCl43S3GzSzRw+5qBMJrKY9nIN gs/nSxo3rbCzngsZAAfHKHq73OLri1W5TC3gfhwXJXz9mJXKMtUMJkvf11vjkAlBs8SScgk+NZuWP aqpBou8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyA9I-00000004ghw-0UJ1; Mon, 15 Sep 2025 14:25:44 +0000 Received: from mail-francecentralazlp170130007.outbound.protection.outlook.com ([2a01:111:f403:c20a::7] helo=PA4PR04CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyA9F-00000004gh6-41i4 for linux-arm-kernel@lists.infradead.org; Mon, 15 Sep 2025 14:25:43 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=B6ecVRn5XLWgvBw5f2LJCA1UeSbA49L4viSOhPQq8JKyFdQXzqYPpA2PcAPWvFhm2w1jCRgv3VquIg+Sgxuukj4Q+skgGvqJRrCKkyZ5xXkIDVNLjJi6FbK0511zn/sGChPG3HtE6DAheBKU4/c0XU9RsO+t9xo8O8ClOtAU9ceHnoVuz1TtkjC9Cys72f9PCaMzaWsV0weFco9V4UNDpcnm3slLO9/3fKn2zj6v3gIDmC8wW5WN6ghBlFZzC/dWaYgtSYaI9qGf1JeDFcqOZq3J0x1ZiFVHUDmar9gan9OZWLK/yoVNDwiGz74OWVFVCujgTK7zr1GZGbhMctUJsA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=xigNK625I0WU6wh+GslJ+bCKkPMqF8Fnca2KiOUET1w=; b=zSQZPcagTWNlgEh2/NEQHAweAXrV/KO1OENqNnfm32tdykXGBOopQqsC33767IiSq6yEjRlytEecxgdd/BF8vlZcGeaH77Sz/8ZVUdXAMytP7t7jLkIrVfeY6wgXcCP0XIiZNwU8e/GFXpbfJad8/KDOveqj3apfL1CngJe6Kh3vdI6sewfS6XxaDzCrTzL5wtPmYK4LAjjaTrhHQja0DYfpSRVlgVYkcmXHj2XZp0hR/y5XEH4bLbMd8bG08wmcqJosNOdLrl0BPRN1WaetRnSxtTtg2Dl1eRgYuRG5W8mLhJXbThza7R+Jdw5fakfogj2ssbmHhvlvDWEMEmBVCA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xigNK625I0WU6wh+GslJ+bCKkPMqF8Fnca2KiOUET1w=; b=mCaIvOVWCDSdvARegQ4xjnzV7Ny13isWgI/MtPe+QfJyH3kveulndMt5JT37V7yt13LqjNL6F59HmEFs9p2c2akzzqRztasvB/uoJDNDdcnMRxWSJfm/nqZ90xBeYOYYCQHzO6OAnDfLbE+f6/lU7WRmRDchTuXle3Rm5vf/QFe81VhEjoqjWJ99TdSS155w+GQtUAAstR5He6m5xcV0tGoBAh5jnq1vtjfKjzOodsGOjY5VdX6xCP60z0q17OCq/1N41y8MA5kFe3blOC5C3aDs3R1ON+mhUV5gc+bPY8V7TiGVc2SYKXo1L7b4/4rTtOGuy08Y2gdIXOFU9Ghsyw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AS4PR04MB9621.eurprd04.prod.outlook.com (2603:10a6:20b:4ff::22) by PA1PR04MB10365.eurprd04.prod.outlook.com (2603:10a6:102:442::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9115.21; Mon, 15 Sep 2025 14:25:33 +0000 Received: from AS4PR04MB9621.eurprd04.prod.outlook.com ([fe80::a84d:82bf:a9ff:171e]) by AS4PR04MB9621.eurprd04.prod.outlook.com ([fe80::a84d:82bf:a9ff:171e%4]) with mapi id 15.20.9137.010; Mon, 15 Sep 2025 14:25:33 +0000 Date: Mon, 15 Sep 2025 10:25:24 -0400 From: Frank Li To: Richard Zhu Cc: l.stach@pengutronix.de, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, bhelgaas@google.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v5 1/3] dt-bindings: PCI: dwc: Add one more reference clock Message-ID: References: <20250915035348.3252353-1-hongxing.zhu@nxp.com> <20250915035348.3252353-2-hongxing.zhu@nxp.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250915035348.3252353-2-hongxing.zhu@nxp.com> X-ClientProxiedBy: BY3PR05CA0052.namprd05.prod.outlook.com (2603:10b6:a03:39b::27) To AS4PR04MB9621.eurprd04.prod.outlook.com (2603:10a6:20b:4ff::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS4PR04MB9621:EE_|PA1PR04MB10365:EE_ X-MS-Office365-Filtering-Correlation-Id: 53a0c5c3-2632-4207-0763-08ddf463bae8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|52116014|376014|19092799006|366016|1800799024|38350700014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?sscOjKkvCmVTRR9LFMpMhxA7yXK2bmDiWMYC0LNSt0r9mfx16LkbAp7MsDL5?= =?us-ascii?Q?e79r0t8L7Dm1WkLgE1MCLoi2oH6JAxZD8AZQDWwntRiDcvIPoU1kig4SNtoh?= =?us-ascii?Q?8KUyuafxI5oMI7jPp0cFK0c54PBs6bbNemRxyO5vjP57mWCWtcVe8cPPYVnl?= =?us-ascii?Q?GZYn8R0k5/EXZ+H0deGW/+Z4eF78f9IH7AL1iTmlwzr8vA75IZVsq6qbPWUR?= =?us-ascii?Q?iRaVbKHiMQgbUaxt019jenXLrdW58TDk75MteX4wWL5Zo/W64I3ukraL3Gst?= =?us-ascii?Q?WViq5wJfPleWtdSIRlqhPtvJKb0wdWdj8v/sRPZE4wGtvxSb7gH7p/opCkUX?= =?us-ascii?Q?Ev4QkMwn0C53EbVsHyDPFXqIbxHMm/RDGamh29aF6h9ZbT0Y63RT2cehvb2d?= =?us-ascii?Q?G6XtxrzNG9XCxmW34NWXAZuLQ68TyFNqhbCDllTapwsk92NVMuyMk5LbODvb?= =?us-ascii?Q?JpR986aTdEbGsOxPd7utoJu2NlXai8Txrg3wqloeNdCfkzRCnDeL5NWlgHfl?= =?us-ascii?Q?vxJdLitCce7nbIFKp770/O1Ghu1ySMUgV2Gc/heAiljKpGybTIX7SPRBnsRZ?= =?us-ascii?Q?vSflrZZpvi4c4uJDvK0eFmPtGYhks4SDVXWz8kHFjHWz3OXckgopPkGHpUaf?= =?us-ascii?Q?+OZ4sJcLBLkw117zIvGefnI4l12ooQcSWpUg1e2rq3bWTrfVraVTDmlFpUyJ?= =?us-ascii?Q?Yih+GmfXlBp7PfXQ5qNW2XmwhGFgPGDzQQkTAIk/KS2lJUMuHtu0e2YjSjyK?= =?us-ascii?Q?orxobUcO+4+cGxQ+BjNPm9ZsUiGioXEtiqeuagPfPawXo/IEqrxqzk+kC33c?= =?us-ascii?Q?WVOhYh5K5CqknT+nMdPwX+lfhxcdgNDo4nd5k8hxRsheXXynLz8uZ1O1DT+P?= =?us-ascii?Q?7VFih+bkGqTTdGBfrfgLvlsIE8rzZoNWGGwzury/413EnFmfY8aAqww/D/S0?= =?us-ascii?Q?NYMfzhEYE6oK0gCqQHcCUwGNK9t9cYMO2O/Ln8hqLjVk0437OcmMoT3t3zBv?= =?us-ascii?Q?pMmdqnNGNxjCUxZZ/bOrfqjklKtVfVluxDytQQsVnNAFD8ug/AkMZYgV9a3Y?= =?us-ascii?Q?Ojb8po14eOK6+yQgJsJMlHPQKMEyicMsAsarF3ZRbjB6Uy9w0HXt10AA/Jcp?= =?us-ascii?Q?XuPcpfvDbh35YurvS93QfcYuqUpLN6ctJKzc1+yMQZumXmvVKT40KfwKLuWj?= =?us-ascii?Q?uumd63GsuKktPVLMn22RM7a7JxIrpBfuFDjXVVB9XYpWH03YJsyd5eeVKLzK?= =?us-ascii?Q?APDP7Dzf2FuEDITGziajXFm2Ic3kaCHWspJMo6xB9LSy1XKEkQ8Sx1qmGu8V?= =?us-ascii?Q?tx/SM9dgBhrxymBl/a0TZYQ8mYYth2xw9rmudBZ8vsyaSDoeEPtL/UrErZtU?= =?us-ascii?Q?GsFtGqtES4J312qlH10X+8nverdf5d2KYiIPoimTtIRH6mKlt39K+wka4rJk?= =?us-ascii?Q?lJ06ANezMvLUvRmCyqSLImvjyeAsAQV39BEyt4WVxxdCVOhi/pEb1A=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS4PR04MB9621.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(52116014)(376014)(19092799006)(366016)(1800799024)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?vFRtGbUi4ACh/ob8Wm1wIuNu265nd4haOiHThBA9n6u294eNlZ+6KUT+bgBq?= =?us-ascii?Q?NTzMKZsR0VN/wHOH+e6xiU6NKWlBj2ctjnmhBAUnu2NL1uAZWJriWowYHTm8?= =?us-ascii?Q?wsvWWa641EEJokx4f1X4Za1Pe2Ciw/MSGNhgHh0enOWimfM7uN0Y+d3weGQH?= =?us-ascii?Q?HiLY6bIBWbhA4iAnw9cfkcNWJ1EgMrp0lNA5I6qmQUQsN97Ir9lfBwQ6wakQ?= =?us-ascii?Q?Bn7dBK8yZTSDsu2JHUl2ObnMFHBirJA7RNoxrODQyRhzKYWoIvy6Apu+cwXj?= =?us-ascii?Q?k84GivsaOHatxaKhjeXBmpdKHslOKll8Pd6xN3Vzp8s9oPU3t+UM04A0v1iu?= =?us-ascii?Q?kqbPnKSt+lRXw5e1Vk5Rs+8oMK78H/sDiKFqVqRx1ISQ1ykqPHg7yRFBJxkJ?= =?us-ascii?Q?WVpnOZAIDeUM/r/aS38vwplgOJuq9IbDoz0SnVNOEsyApwdH5cjPjuM4ZIvl?= =?us-ascii?Q?yhxaBtAcZEC0dgQ3GhsrbBPzyWYuh3+6rnqqcitkxmuNjNLOS5GoLBWh9CV5?= =?us-ascii?Q?WXhJ6ymeXw2MCeLluD5O5K/mPBHShyy0rslUHYV2SMQ7fS3yb1zgYfxncM3B?= =?us-ascii?Q?1tgz3n/XRj+6QZMnxMViKKOspqgjA7n1+TEGZ9aW1LEoeO6N4OARc4bgUPDE?= =?us-ascii?Q?sbevRpG95qf4xw38wvbjlEYkbSqa2+no5v0S07EARj3MthP3zr6n9uNgAkrX?= =?us-ascii?Q?TTm4iPJpgD/hgFVywwxFIhoIVyhW56elTNExVZ7Ae7SmTiHBE2kXhnZi5l2B?= =?us-ascii?Q?KEk2cFEUBFQXF0caEULLxdLIrCp8Nx1AkGVJVR5efQ+QAmWNBir1om76xL3I?= =?us-ascii?Q?mKu/Ss3E0NuQqQBDSoXkIFMKgkAlsax0IS5tzATR/+qZEoh8vMk9ftwmmyGs?= =?us-ascii?Q?V97BenZj8LuXMFBpoMUuPeO3pSZqFyMLONjdiLCQj1OpDeE6mMk8c+jzNFet?= =?us-ascii?Q?VU1YgaNwhMMJsVlilqGWJlSyYs9CCdAdIardcyPOkxgt9D7Ho9sA80dOX0od?= =?us-ascii?Q?4jKhA1edRXdnOlC2v2XNZ4tn6jK/Mo4zQ2KneZqLLS0Js2AUK2MSDN5JKreO?= =?us-ascii?Q?1rkI8yB5GI3xWox4x6TAFN/cI5gBzluj9MOyPB4cdt2bOxzxmrDvUDeejuYb?= =?us-ascii?Q?x+2wvY4CCGf816oub8ypFyofFpzraL/DRy13Cu2iG77a703p1KbyYiyX0xwM?= =?us-ascii?Q?UVLiYPdGAwac+jexIfqMvc/GZ/mprxelChKd7IqOuhYOM3/0+7J34x4CUact?= =?us-ascii?Q?kuqh1+Tb+/AjW4OS+u46RrfHcSSHnCPGQSSbhXAmjhqxgbFQVHrMkA5IKbkS?= =?us-ascii?Q?4LfjmYA4kxRvcuprYJrS/55g6bZSg+q0oOQSHN1FB/ks9awEArX62YirzSS3?= =?us-ascii?Q?idfImrBoMiYYfhOMjry1UWZNmKHAaaXrkCH02owrzXJJO0dtkQIv0LY4W/jS?= =?us-ascii?Q?vJOFfxNO//7BsvLaVgVyrMKmihsfkkRXXJ8KW8tqzHZp34PSVARGvpklTIRv?= =?us-ascii?Q?WVRVcit7WS7eIPy2f9FgzvgHbUbhT74REVRcn5SqM3w/RMjT8RjVGEZrOEw1?= =?us-ascii?Q?vYCAwe/t6P1uE5TLcj4=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 53a0c5c3-2632-4207-0763-08ddf463bae8 X-MS-Exchange-CrossTenant-AuthSource: AS4PR04MB9621.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2025 14:25:33.2822 (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: uO5RycqUexkitahsgFuS1p/znyvl31Zmd8uCKu7oGZur2ldT6IUL/XktN/Y5JmqH6lqe2AdpbCKdavycUscKbA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA1PR04MB10365 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250915_072542_003861_6414910A X-CRM114-Status: GOOD ( 18.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 15, 2025 at 11:53:46AM +0800, Richard Zhu wrote: > Add one more reference clock "extref" to for a reference clock that > comes from external crystal oscillator. > > Signed-off-by: Richard Zhu Reviewed-by: Frank Li > --- > .../devicetree/bindings/pci/snps,dw-pcie-common.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml > index 34594972d8db..0134a759185e 100644 > --- a/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml > +++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie-common.yaml > @@ -105,6 +105,12 @@ properties: > define it with this name (for instance pipe, core and aux can > be connected to a single source of the periodic signal). > const: ref > + - description: > + Some dwc wrappers (like i.MX95 PCIes) have two reference clock > + inputs, one from an internal PLL, the other from an off-chip crystal > + oscillator. If present, 'extref' refers to a reference clock from > + an external oscillator. > + const: extref > - description: > Clock for the PHY registers interface. Originally this is > a PHY-viewport-based interface, but some platform may have > -- > 2.37.1 >