From patchwork Fri Jul 22 04:06:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin Foster X-Patchwork-Id: 12925950 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 81E4AC433EF for ; Fri, 22 Jul 2022 04:08:01 +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; bh=xl1IjGSiq8vuiuoSLqnUIvC4yJmKDLucBeJKwBUEpeU=; b=uCfXK/1B+K1n33 VXAJldVCVEWxfEaa1cCzEiohawUN2p5rcJaKdeiFPE81b56v0ige/FftSHxFdWxQ9N/Kolpsaw9cu ghIdXhv8jFmCn6M5UuPa8GjO6Ybu3jRfnEHd9ggesGnlpSNJIl30pe96NsWP7RAkQmyig1pMUZTO6 ZpiHqJ5zYaXRC0BYL7gVfTSH7EyJ9cO8Q+oEG073t3nlC8W+KVGossgLCM2CuQBBFGU3xDVJmTAme KHE7qVuK+Zh4C2Hh9PH0CrrT8EKRYwAuejpoSpTz4wQnwvVOvcnRH1j6+p2MLmMeZwHQKkJwSVXBe OokA6NG4/Sg3CNaAOs1w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEjw5-00HNu4-BP; Fri, 22 Jul 2022 04:06:45 +0000 Received: from mail-co1nam11on2121.outbound.protection.outlook.com ([40.107.220.121] helo=NAM11-CO1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oEjvu-00HNnp-H2 for linux-arm-kernel@lists.infradead.org; Fri, 22 Jul 2022 04:06:35 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=O5EfXFoKP9egAmzYB9f0Kt1u8CfnW6TgfMRHkQThBdcQgqZdDh8i1TOXiqEP7PFOmfIy91tlrtHDMHZomA+H8/X0gv/1nzs1IA1Ne5yOu4QZPm1fvsgX4X97d9E3QflCwo/AcgQd57KoCTnACV5LHlAcVlJiI6w+ZlPUHjCyu6w+VLkBppvjLgd1BltnjNkB0oyT61hsoOgPN0ElvS4Iv+kGSEKTFrV8ooBdIwJ6nmqYOYkGYfcwnEwg/VnEG8bPK21ZCLss5ZzFFfDflk8m8QiVNSwAzjOBx+6jGovVN7sfsiGslA8W92g1UP11ps5GBMDKg1ViGixI5yxKF3R/+w== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=92iUzUXhYgf9AmwME9MmKxPd1Gl/mMhjGkiY2HAVkqA=; b=TrppVelV5+W0lXc5KCsvPnTXvQ7qP8rvOjviouqO/FGn0ZRkhij0xgR3tw3qXi8Gwk+zSuvuBaiA8ASoz43XkNOWbh8YCGlNRWYUQ9mPm2VWzPrndQCmx6kapV2h/9HTcUwBthqhbAkNe+OwldiQ/nOyepbzSCtRkJ3ytFpklce28GiYpDrXsww5P2/LiUXuf8+2iP7X4Ltp306k9Hnj6OHFrrgYZnCz+4YBV2AxcxdliHvl4Jtza+nQTesB21huptw5uiHtgdMxV7x3DcG0HjX9xRaEPYYro/8tBDwRU9LjIQX0WWxAMXmBRWYnUlcCl/AawY53m01EluenyM3YJg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=in-advantage.com; dmarc=pass action=none header.from=in-advantage.com; dkim=pass header.d=in-advantage.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inadvantage.onmicrosoft.com; s=selector2-inadvantage-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=92iUzUXhYgf9AmwME9MmKxPd1Gl/mMhjGkiY2HAVkqA=; b=aDSxeX/AnnIR336ObIuWdDSuFd0luOmdZ57bHGdz98+p6AffJHd3cYHr7p1jWLGc312IDW7jY+XjHU/Wr677FJQUbysn/VWtnf+hkFKn06rcI9j88LE0fHEAMDMUFVnp02b2PdzDtZVHTK0lhEgOACjtKroibmhmOfBu3y013A0= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=in-advantage.com; Received: from MWHPR1001MB2351.namprd10.prod.outlook.com (2603:10b6:301:35::37) by MN2PR10MB3919.namprd10.prod.outlook.com (2603:10b6:208:1be::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5438.20; Fri, 22 Jul 2022 04:06:27 +0000 Received: from MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::7451:2903:45de:3912]) by MWHPR1001MB2351.namprd10.prod.outlook.com ([fe80::7451:2903:45de:3912%7]) with mapi id 15.20.5438.023; Fri, 22 Jul 2022 04:06:27 +0000 From: Colin Foster To: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Terry Bowman , Vladimir Oltean , Wolfram Sang , Andy Shevchenko , UNGLinuxDriver@microchip.com, Steen Hegelund , Lars Povlsen , Linus Walleij , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Russell King , Heiner Kallweit , Andrew Lunn , Krzysztof Kozlowski , Rob Herring , Lee Jones , katie.morris@in-advantage.com Subject: [PATCH v14 mfd 2/9] net: mdio: mscc-miim: add ability to be used in a non-mmio configuration Date: Thu, 21 Jul 2022 21:06:02 -0700 Message-Id: <20220722040609.91703-3-colin.foster@in-advantage.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220722040609.91703-1-colin.foster@in-advantage.com> References: <20220722040609.91703-1-colin.foster@in-advantage.com> X-ClientProxiedBy: MW4PR03CA0044.namprd03.prod.outlook.com (2603:10b6:303:8e::19) To MWHPR1001MB2351.namprd10.prod.outlook.com (2603:10b6:301:35::37) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: eaf1dd82-b7d3-4eba-6981-08da6b978c2d X-MS-TrafficTypeDiagnostic: MN2PR10MB3919:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MWHPR1001MB2351.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(366004)(346002)(376002)(136003)(396003)(39840400004)(36756003)(6506007)(2906002)(44832011)(41300700001)(52116002)(5660300002)(1076003)(66556008)(8676002)(8936002)(4326008)(66476007)(186003)(6486002)(478600001)(6666004)(6512007)(7416002)(83380400001)(26005)(316002)(86362001)(38100700002)(107886003)(2616005)(38350700002)(54906003)(66946007);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: in-advantage.com X-MS-Exchange-CrossTenant-Network-Message-Id: eaf1dd82-b7d3-4eba-6981-08da6b978c2d X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2351.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jul 2022 04:06:26.4085 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 48e842ca-fbd8-4633-a79d-0c955a7d3aae X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Fct9NIZs4KN1z6Fi/V2HXrKYc/3lYBTbkg0Myx5lVznUmY6w/caF+h+AImjAbssISHK34GCYPmgWn0tho4BDFG0whL8ii20kVvUiJ/nFF+g= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB3919 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220721_210634_595253_8FA94AF1 X-CRM114-Status: GOOD ( 17.10 ) 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 There are a few Ocelot chips that contain the logic for this bus, but are controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In the externally controlled configurations these registers are not memory-mapped. Add support for these non-memory-mapped configurations. Signed-off-by: Colin Foster Reviewed-by: Vladimir Oltean Acked-by: Jakub Kicinski --- v14 * Add Reviewed and Acked tags --- drivers/net/mdio/mdio-mscc-miim.c | 42 +++++++++---------------------- 1 file changed, 12 insertions(+), 30 deletions(-) diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c index 08541007b18a..51f68daac152 100644 --- a/drivers/net/mdio/mdio-mscc-miim.c +++ b/drivers/net/mdio/mdio-mscc-miim.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -270,44 +271,25 @@ static int mscc_miim_clk_set(struct mii_bus *bus) static int mscc_miim_probe(struct platform_device *pdev) { - struct regmap *mii_regmap, *phy_regmap = NULL; struct device_node *np = pdev->dev.of_node; + struct regmap *mii_regmap, *phy_regmap; struct device *dev = &pdev->dev; - void __iomem *regs, *phy_regs; struct mscc_miim_dev *miim; - struct resource *res; struct mii_bus *bus; int ret; - regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); - if (IS_ERR(regs)) { - dev_err(dev, "Unable to map MIIM registers\n"); - return PTR_ERR(regs); - } - - mii_regmap = devm_regmap_init_mmio(dev, regs, &mscc_miim_regmap_config); - - if (IS_ERR(mii_regmap)) { - dev_err(dev, "Unable to create MIIM regmap\n"); - return PTR_ERR(mii_regmap); - } + mii_regmap = ocelot_regmap_from_resource(pdev, 0, + &mscc_miim_regmap_config); + if (IS_ERR(mii_regmap)) + return dev_err_probe(dev, PTR_ERR(mii_regmap), + "Unable to create MIIM regmap\n"); /* This resource is optional */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res) { - phy_regs = devm_ioremap_resource(dev, res); - if (IS_ERR(phy_regs)) { - dev_err(dev, "Unable to map internal phy registers\n"); - return PTR_ERR(phy_regs); - } - - phy_regmap = devm_regmap_init_mmio(dev, phy_regs, - &mscc_miim_phy_regmap_config); - if (IS_ERR(phy_regmap)) { - dev_err(dev, "Unable to create phy register regmap\n"); - return PTR_ERR(phy_regmap); - } - } + phy_regmap = ocelot_regmap_from_resource_optional(pdev, 1, + &mscc_miim_phy_regmap_config); + if (IS_ERR(phy_regmap)) + return dev_err_probe(dev, PTR_ERR(phy_regmap), + "Unable to create phy register regmap\n"); ret = mscc_miim_setup(dev, &bus, "mscc_miim", mii_regmap, 0); if (ret < 0) {