From patchwork Thu May 6 01:04:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12241391 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 60E0AC433B4 for ; Thu, 6 May 2021 00:36:14 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 C877E610FB for ; Thu, 6 May 2021 00:36:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C877E610FB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oss.nxp.com 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=desiato.20200630; 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=nT5BlAh3nAtAu+2gAGY16KZNPtmnWPICtGWeGk7VxXA=; b=L7SLffa/lHA6ksXCDC7Jdu2dD GAgBQe5U1nRV1vQ+0oBaOkV8/GsX4+VxhWj1VEUa3jKpCRFo2AFp+AuTFSpnYDzmjIKpzyRKJU0Ip mplsYaNQdaVlImmlmfhevbBvh+pLJ5OfNU6yf1g576FX6lBABI0Si0+NCwyBLrVB9bG9OJqy0laKa uJVS50MVBXx/jbWStnbB797mAJVKRoVK97Hwpv/ykRBBsJkskaLDpd3/KALLTZ29kV7P/bq+ygE+H ZL2QgObNRaS8bluhy/EauTsNpqwhvB9DUZ/1VDN9ksagqLf4XtEkUK/ZmoQA5ZeC3eT2EplVryUFy 4aOYmIHLg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1leRxq-002hlo-Kr; Thu, 06 May 2021 00:34:03 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leRwz-002hbF-4l for linux-arm-kernel@desiato.infradead.org; Thu, 06 May 2021 00:33:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=MIME-Version:Content-Type: Content-Transfer-Encoding:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Sender:Reply-To:Content-ID:Content-Description; bh=OyfMB8r6y6e3V9+dQWnesa3DiUzqhYHZf4kj7QTAb04=; b=YZCdiMC3yZuq7Yt5NGAIkQTOm3 CwBNsrryqSrU75UVNQPOPfCKwPHpGKUgE8JBaPDpuGFU90thjwS2qSl6Z24chFxxQKkBlkFkZP4vJ FNM7uvlEvCcglVQPGbirKRNoLNOm0iAOszzJ92AREhOLn6OxpjwtRat4CdUJCRzDQbsGCxRL6wQnp U5PjZ83WewiKB3fFioaFzGqTH3BP7MYihlNWVeGiNndPw29ecq/V0zndCjqwZcWym7D+9GdMftFYA 44J38AJoSfvRAd7tBMBixRhfiza3VyBEoHQoxxOInq13QSwQLlwhMWsdMOQp/OzHT9ZdkAHMR9KPk wnuer+TA==; Received: from mail-eopbgr20071.outbound.protection.outlook.com ([40.107.2.71] helo=EUR02-VE1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leRww-005RFK-J3 for linux-arm-kernel@lists.infradead.org; Thu, 06 May 2021 00:33:07 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KqEHVFTHqaNFuJCP780dPk9GXnBqGVSNp7tQ0sCibr/e4IBePvpilzFDPgkvn3/MdzSMf9XKAt669Iu+s5KTGWmdjsLOqv34qrqAfzDy4VOpgHO2XbMZkCKF2ny7r+H4OmH0/xHXO2Yy4tIk3wtPybf4V1afSrWusP910TNfkwWrFVQdUCMbbGk2BbKOdjgZTGRDhogLjOzWCNj16lVB4LEZRrH2gy7LDIiap/nDEVucZ0ahW697zqy6igXhlTjBy2JWEo16AmgF+msxj/qVNDcFfMWEDBlIUeBSGhGaFilza8IznGA2BTXsFQouIMvyBmOPranQhIRO+NhFZvzdWA== 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=OyfMB8r6y6e3V9+dQWnesa3DiUzqhYHZf4kj7QTAb04=; b=lsBBFCDJGRdPZCTWBoR2+1dgGbYE+N8TEmgv+IpjZ3MfotuszTu/l3VYxjh+Yf+tj+28JghRbC0RBSbKH7Z3J/a+1x+Fm/s9Z+VtobiJo2Qt4M5D5En4F9bbPBtXC2chO+RQTunuH4q2AU+HBFOAOQbEARgDzzBew8X4dhaMnXs8XookF/+vReVp6Z8lTTebG3EIImjYgfpFCL76woEeYKG+x5ZCCv7RIRFsNLMr83JgAQSYbWrNzUbc5wU0CmLaXnbhtxd1+aJQhWJ1+8g5ejzUi15AdIbUa1tleLaLdoIq53A6vGsZLJzxzBRv/92L3pPDmuJrmqrQkwibhnkgug== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=OyfMB8r6y6e3V9+dQWnesa3DiUzqhYHZf4kj7QTAb04=; b=XDUeRL0UatMYjc0+Ze9CHQ38iaHY+pDogbUmPMY2d2iW7KtwGOw9GI+PW8q1dMoLH33SmEILGBnMi0aqwHzeabe6z7o1WzRW1h5wP9RCotnEiv4p7CdNUrU56P5o7yyKhfUePHcG66YjgxriqQKQxOxqBQHI62pm72I/1agZfVg= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=oss.nxp.com; Received: from DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) by DB8PR04MB6714.eurprd04.prod.outlook.com (2603:10a6:10:10e::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.25; Thu, 6 May 2021 00:33:01 +0000 Received: from DB6PR0402MB2760.eurprd04.prod.outlook.com ([fe80::45b9:c993:87ec:9a64]) by DB6PR0402MB2760.eurprd04.prod.outlook.com ([fe80::45b9:c993:87ec:9a64%8]) with mapi id 15.20.4065.039; Thu, 6 May 2021 00:33:01 +0000 From: "Peng Fan (OSS)" To: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org, agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ping.bai@nxp.com, frieder.schrempf@kontron.de, aford173@gmail.com, abel.vesa@nxp.com, Peng Fan Subject: [PATCH V2 06/13] soc: imx: gpcv2: add runtime PM support for power-domains Date: Thu, 6 May 2021 09:04:33 +0800 Message-Id: <20210506010440.7016-7-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210506010440.7016-1-peng.fan@oss.nxp.com> References: <20210506010440.7016-1-peng.fan@oss.nxp.com> X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SGAP274CA0010.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::22) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SGAP274CA0010.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b6::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.24 via Frontend Transport; Thu, 6 May 2021 00:32:55 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 89d91e13-68cb-4c03-d508-08d91026811d X-MS-TrafficTypeDiagnostic: DB8PR04MB6714: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:454; X-MS-Exchange-SenderADCheck: 1 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:DB6PR0402MB2760.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(136003)(396003)(376002)(346002)(39860400002)(366004)(52116002)(86362001)(2616005)(16526019)(83380400001)(956004)(6506007)(8936002)(5660300002)(7416002)(6512007)(6486002)(316002)(186003)(4326008)(2906002)(6666004)(478600001)(26005)(1076003)(38350700002)(38100700002)(8676002)(66946007)(66476007)(66556008); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 89d91e13-68cb-4c03-d508-08d91026811d X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2021 00:33:01.2982 (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: RbkY/iFpY5FgPtfRnGCBpILdbzgbTHrZ+YfUBmblvtpNpBpE7a9Tj73UtJrU63NABzIQsNWMtlKpkT1cxXTy5w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8PR04MB6714 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210505_173306_654719_CEAE6F84 X-CRM114-Status: GOOD ( 13.28 ) 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 From: Lucas Stach This allows to nest domains into other power domains and have the parent domain powered up/down as required by the child domains. Reviewed-by: Frieder Schrempf Signed-off-by: Lucas Stach Signed-off-by: Peng Fan --- drivers/soc/imx/gpcv2.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c index 558b8b8af9af..bfea8560cb64 100644 --- a/drivers/soc/imx/gpcv2.c +++ b/drivers/soc/imx/gpcv2.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -141,11 +142,17 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd) u32 reg_val; int ret; + ret = pm_runtime_get_sync(domain->dev); + if (ret < 0) { + pm_runtime_put_noidle(domain->dev); + return ret; + } + if (!IS_ERR(domain->regulator)) { ret = regulator_enable(domain->regulator); if (ret) { dev_err(domain->dev, "failed to enable regulator\n"); - return ret; + goto out_put_pm; } } @@ -204,6 +211,8 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd) out_regulator_disable: if (!IS_ERR(domain->regulator)) regulator_disable(domain->regulator); +out_put_pm: + pm_runtime_put(domain->dev); return ret; } @@ -266,6 +275,8 @@ static int imx_pgc_power_down(struct generic_pm_domain *genpd) } } + pm_runtime_put(domain->dev); + return 0; out_clk_disable: @@ -523,6 +534,8 @@ static int imx_pgc_domain_probe(struct platform_device *pdev) return dev_err_probe(domain->dev, domain->num_clks, "Failed to get domain's clocks\n"); + pm_runtime_enable(domain->dev); + regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, domain->bits.map, domain->bits.map); @@ -546,6 +559,7 @@ static int imx_pgc_domain_probe(struct platform_device *pdev) out_domain_unmap: regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, domain->bits.map, 0); + pm_runtime_disable(domain->dev); return ret; } @@ -560,6 +574,8 @@ static int imx_pgc_domain_remove(struct platform_device *pdev) regmap_update_bits(domain->regmap, GPC_PGC_CPU_MAPPING, domain->bits.map, 0); + pm_runtime_disable(domain->dev); + return 0; }