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=-6.9 required=3.0 tests=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 autolearn=ham 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 611B7C433DF for ; Thu, 14 May 2020 03:13:56 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3A04A205CB for ; Thu, 14 May 2020 03:13:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Bo9aRnLG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nxp.com header.i=@nxp.com header.b="CjoiHqR9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3A04A205CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ayBtsnEeFfJWOAeqVPneyyn+JlOGbxCtGAg/d9rG+YM=; b=Bo9aRnLG1m5G31 r1cXcR3Fz2d4Yss+pwKTG6RwpltfkdghS9vSteKbbkOZsNZnzGq3FdoZMasvHg3wpat6E3y91WFiJ 8iw4AphfmKrMS1FyS0M5G6tgS/rsQhf/bL5g7UyuDidStvgcAYwfkzkN0FdqVyCPhoxUshQnKOymH jx5o47S2P53mKYfC/5Q1hgdTnkxBJMY9D777YqWlkUoTjXyAdzO1DcETbqxo/R9oy++a9iklYNyKl lXzLpBQ9Ka5TxwrfLGFq9h7Un5anqtT8GbA1cn9E5vM5/sYELbYGMTvG8JdBp6ZBi4HMoGVh+WGSP UjfKBWPelKkuHZbXbddg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jZ4Jm-0000mB-PV; Thu, 14 May 2020 03:13:54 +0000 Received: from mail-eopbgr80054.outbound.protection.outlook.com ([40.107.8.54] helo=EUR04-VI1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jZ4Jj-0000lc-Nq for linux-arm-kernel@lists.infradead.org; Thu, 14 May 2020 03:13:53 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dt1Yj4OF4fB9mBiaxHPbPGyxBIXoiYYjh6eGeGMskdKZcMqXnF5Z1WVCX400NDKsQ4FonIq1Bt2SS0FZyTyTh+qOaiQucqsVsUvDnazNhYuHVm1UfCYGiPN4peOFOZ1iAeI1OsiBjrxAuuFRhZLfPfq0Ujf9plbtk8FNUADAgPV6jmcHvcKC6BAIU1bxfsnWPxlhcP49+abQKrSbJiTmqAwSy2YCxIJw7TOgYdhN+xTj3O+QV4z6OJNPF0OChqv+E700GO9D7SzY17+BBk1IcBB9PrN+Pway1Crnk6gYLZnN4Zvce/vJeStNqWRYEvgho98Y8CJ7YQ45oDb1+TORwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=E7/Isezmdd0F8/mq0CSIKYWBnkIU3hZCC/7aMkKv55k=; b=Za+H9BpdAl/j2mYxcskQvCaizPRI66NKxrT97KKZHzPPscN9v7fW+Zfj9zNP7yebgs4yrl/ZTVaKu7voWnylJzAXP/f/tmM/NemTolpyZg2tAd0usfkAHXtSAqiRPmfX/q53TjZSHSkov0a0CKZNgaraAQr2irRoxH/YsA7546gjjocoaUuH3ntycJqkFgWW6YjqWzykhoN3RlzyICxIEkRL1pfSj9abDrg1WRpXDU+dUNQrQ695I4EeaM85L/g1jzGzFunr7CKbmGRHXKUvcT37Sq22epyWHb5uvZB8UzC0yHCnNn2hev0C8+5UZ5Im7zehTm8/LBdcnZIvl+wxdg== 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=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=E7/Isezmdd0F8/mq0CSIKYWBnkIU3hZCC/7aMkKv55k=; b=CjoiHqR9qEVpD5UvXa2iFJXvskMnijMg3stCdFJUOoWzUO038/s3fBJLKXx1StaQ16107JNkH8ZmqfwZRreSWe7pGtpxreVw1EQ2u7MEj8aJ2ViwvtbZNMr4V4Q7xwJdp9aL+hSey+lkGet6FKBqrDcSm4yzo+pK1Xf52twKLj4= Received: from AM7PR04MB6885.eurprd04.prod.outlook.com (2603:10a6:20b:10d::24) by AM7PR04MB7189.eurprd04.prod.outlook.com (2603:10a6:20b:116::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.30; Thu, 14 May 2020 03:13:45 +0000 Received: from AM7PR04MB6885.eurprd04.prod.outlook.com ([fe80::fdc0:9eff:2931:d11b]) by AM7PR04MB6885.eurprd04.prod.outlook.com ([fe80::fdc0:9eff:2931:d11b%5]) with mapi id 15.20.2979.033; Thu, 14 May 2020 03:13:45 +0000 From: "Y.b. Lu" To: Shawn Guo Subject: RE: [PATCH] ARM: dts: ls1021a: output PPS signal on FIPER2 Thread-Topic: [PATCH] ARM: dts: ls1021a: output PPS signal on FIPER2 Thread-Index: AQHWHEiBnWxAU4L90kC2ffOlL+Ll/KilxtUAgAE6YvA= Date: Thu, 14 May 2020 03:13:45 +0000 Message-ID: References: <20200427035655.18157-1-yangbo.lu@nxp.com> <20200513082254.GE26997@dragon> In-Reply-To: <20200513082254.GE26997@dragon> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; x-originating-ip: [119.31.174.73] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 8d960fd2-423a-45e0-7bad-08d7f7b4d002 x-ms-traffictypediagnostic: AM7PR04MB7189:|AM7PR04MB7189: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:177; x-forefront-prvs: 040359335D x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: k7IylSFiEInMOQO/I7Hd8HYJdNiU1wUn63Z0025ic7oc5VFAYUfIk1Owpf3Bdscr6vj0LE6glHS6iEUxZ7EzfBAQzzMx7jaAs/hofxETPumWcCMJfQ0X2AyxVlM0MJ8vqc5+Odb++c3C3KNuk7yYejwlNw5ZLtO+Hgf1PMdDUO6q88jyJNeLxo2gNkYo69Y94OgG7OkQQCnEoG5k62d60+Mc9RXmCyayRdUHIXdxxrqebeiwvKT8YyDWiVAKL87Fu0HfFZZUyjZV9x5h3Ppr9PgfsePnT4vERNchS9lqGScb0f880gsEU50OJfCWusjsmlWv7pSsSsEAeKsRJSHZhUGyCsAD4XreupJhIcw3oucbORNm+c2MnRuVGQ4dhXvtuCbO945YK6ZtvMQVBHh7ezewgZTe8wgGVL6DI8XbdgaukLKmoo8UT8BIy8s0sPyY x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM7PR04MB6885.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(396003)(39860400002)(136003)(366004)(346002)(376002)(53546011)(6506007)(478600001)(2906002)(52536014)(26005)(186003)(86362001)(6916009)(316002)(54906003)(4326008)(71200400001)(66446008)(64756008)(8676002)(33656002)(8936002)(55016002)(5660300002)(66476007)(76116006)(66556008)(9686003)(7696005)(66946007); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata: th5Rozy2LcWIicyEwcqlH0lRkTE3RZEiejToU36XsNsIpflLamPyNFzylQJbyESRoLbiddD6WNrn/LwjdGMQVPPu7qDuqGUiIj9TSNVwK0nxCTKcCpjTTqR0Ni6mEf5HAD9V10KRl9fl8nZe3niAqF1tKq50tF0j844nPNsFhAontiOZKsnv2fbDemU+GersQBxqYy7zrM2wNOAbk8WGP2WMd76mY/wqfkY2bk8as9VW1ZWx+YzsXZTNV8hB8I3F67/WS+8BOuSuZaDEYXJhsU/EJNg6+Zb4wFHQ3uxXA2wAH3+NCxwfS1U8HkyIHbs994I1IlycRvYwPuxBucTG4ZZ/gPchOK+qd/ogeuoVgTOTqYNqP2n1KjAWuGyUSAegPYJxffScE+qw/cIZAUqJFFhUtBhjH39si4gx83rvwmCcXgWpbZF/rb4ABonGN0RtDEaRuGVCyxLe3mjiCAbiVk/MFUxZsX7Hew6u5ipjKOg= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8d960fd2-423a-45e0-7bad-08d7f7b4d002 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 May 2020 03:13:45.1520 (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: 496USpxEL6x8EV6zqh0FVCg5lSZnXn+vAQAiqDio1OjLii7dMsFS9h4A4zOGRzI8/VQapERCxAs6sNsuKfrZ5g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7189 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200513_201351_778212_F54DA788 X-CRM114-Status: GOOD ( 15.14 ) 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: Richard Cochran , "linux-arm-kernel@lists.infradead.org" , Leo Li Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Shawn, > -----Original Message----- > From: Shawn Guo > Sent: Wednesday, May 13, 2020 4:23 PM > To: Y.b. Lu > Cc: linux-arm-kernel@lists.infradead.org; Leo Li ; > Richard Cochran > Subject: Re: [PATCH] ARM: dts: ls1021a: output PPS signal on FIPER2 > > On Mon, Apr 27, 2020 at 11:56:55AM +0800, Yangbo Lu wrote: > > Output PPS signal on FIPER2 (Fixed Period Interval Pulse) > > which is more desired by user. > > > > Signed-off-by: Yangbo Lu > > --- > > arch/arm/boot/dts/ls1021a.dtsi | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi > > index 760a68c..b2ff27a 100644 > > --- a/arch/arm/boot/dts/ls1021a.dtsi > > +++ b/arch/arm/boot/dts/ls1021a.dtsi > > @@ -772,7 +772,7 @@ > > fsl,tmr-prsc = <2>; > > fsl,tmr-add = <0xaaaaaaab>; > > fsl,tmr-fiper1 = <999999995>; > > - fsl,tmr-fiper2 = <99990>; > > + fsl,tmr-fiper2 = <999999995>; > > Not sure code change matches patch subject and commit log. The change > is about changing fsl,tmr-fiper2 setting from one value to another. The calculation refers to Documentation/devicetree/bindings/ptp/ptp-qoriq.txt. It looks complicated. But to be simple, to get 1PPS signal (period is 1s) on FIPER2, the value should be set as, fiper2 = - = 1000000000ns - 5ns = 999999995. Thanks. > > Shawn > > > fsl,max-adj = <499999999>; > > fsl,extts-fifo; > > }; > > -- > > 2.7.4 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel