From patchwork Thu Mar 24 04:20:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12790351 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 AC393C433F5 for ; Thu, 24 Mar 2022 03:42:07 +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=YTngxjV8SYyuFcnBLh1wUEcs2vSrAhrLfgkCY/preh4=; b=wOWsu7+92oYFF+ fA0bEuXnD0Mg9IvGnaxtEJmusCd8EgVKW7sM7xXlK5R1msGMRN6jx4MtYi0dzaOs1LMWYT3Kaj6J+ OrTQZNOdeSQx3tldWc8aUlR231TeCv5k2SyUwhYVXnSAl+Qon5VcL+iBtLtDLCUoW4wJutNIfxQTe xvza7nMW6sBpHMy0KrrNAazt9QxGzMItM9k8s+iTf/Qcb0Vv0WG6vTy3/iVJ9mIXBQrRA1zvtlJl6 /b6hzIdq7kDaMoMK1nL4/e/undE1/Hh08S0uENR1rGn0189rolN23zU5yndRM9Z2/iXlWM7PGDIZQ k8v03m/g5rcbinIG95wA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nXEKo-00FY0x-Sj; Thu, 24 Mar 2022 03:40:27 +0000 Received: from mail-he1eur04on061b.outbound.protection.outlook.com ([2a01:111:f400:fe0d::61b] helo=EUR04-HE1-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nXEKl-00FY04-Im for linux-arm-kernel@lists.infradead.org; Thu, 24 Mar 2022 03:40:24 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=gKqFFaAAuBGfXVHwHuK13RT/ezyx2vNF2wqxVCuMS392NCSUBrn2x8ngpWJvof7E7/vAAb81T0U5JTVVjfp0U48WHLvYaNCfL6M6kuJbcdEL2slamKRJibOSzexc9Szs7Z4QttlYEZZpXamwrHQByggcQJxfnxlvPBgEb0f6sIeRpODdMPXMym4uYr1OJ0kG9b0jhuKQVF0dy0YI2L5xAnakYy9qqjQKHkwjEwXqp/+ISWbUitwEpvYzOfk+32VQDp4MVYvaSERytZESJa2mQUj3QE9SIQM4rG1V5TKQKnnNl7hOVAffLndIRT9AOJ3r6+Fe8pm5y0JfYrU1o4AT4g== 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=qA1H6p5SilyU3ejwgRRkxmL9TN8F6SPRsr56LVXuiyM=; b=W5uJx7rAOMz6FdREYHJcA/95oteuvoJSbPq7uXTfFc3XbPKIHOkLtoTLuGfRIU+hTnwX8QmSDPYhn8S4NIOBGjvt9b/VJrbuPFfa/LJ0A2eyIKKSLkgoMZDS2L4z54wHdxcDd4kJzpMp+6T2MZn/m5mL35tAR6rfgGrvYyxZglPaPj6p/mx9hYS7G8l+jJmwT508z9vpxopT/HlQpIQL1ZLZ0Ijj1c8xvqyzjwMLp2nj+kyGRRBUQPBzO/v6x2EqbhICUMwN5JF+tD1gjqh6TqI2cy5eypn/PxoT+KBpRsoZoJ8HLuIiWdHF2fPrSUra2nL/u0KmHJzxcXsT8jr8HQ== 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=qA1H6p5SilyU3ejwgRRkxmL9TN8F6SPRsr56LVXuiyM=; b=mtiJ6NPpg7M/VpeBUrTXejq69/I4LxqkUPh3/GJWM0RNtec/TL3p6RnIsjiqYaswcZGDXf5wRYJsqs0GEvh7HxhreDOUaNiNBm89OesTYw+uWTrS9zmPUQql+mAVJNPBRLmInHuini6sOyNekGR92DjvEDUg65MKy1uqsha3XNI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DBAPR04MB7223.eurprd04.prod.outlook.com (2603:10a6:10:1a4::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5102.18; Thu, 24 Mar 2022 03:40:19 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::1d8b:d8d8:ca2b:efff]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::1d8b:d8d8:ca2b:efff%3]) with mapi id 15.20.5102.018; Thu, 24 Mar 2022 03:40:19 +0000 From: "Peng Fan (OSS)" To: ulf.hansson@linaro.org, robh+dt@kernel.org, krzk+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, wg@grandegger.com, mkl@pengutronix.de, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, qiangqing.zhang@nxp.com Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-can@vger.kernel.org, netdev@vger.kernel.org, Peng Fan Subject: [PATCH 1/4] dt-bindings: can: fsl,flexcan: introduce nvmem property Date: Thu, 24 Mar 2022 12:20:21 +0800 Message-Id: <20220324042024.26813-2-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220324042024.26813-1-peng.fan@oss.nxp.com> References: <20220324042024.26813-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7e7fc779-1cf0-4a3f-f508-08da0d48049e X-MS-TrafficTypeDiagnostic: DBAPR04MB7223:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: 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:DU0PR04MB9417.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230001)(4636009)(366004)(508600001)(6486002)(1076003)(52116002)(6506007)(6512007)(26005)(2616005)(186003)(316002)(8676002)(4326008)(66946007)(6666004)(66556008)(66476007)(921005)(38350700002)(8936002)(2906002)(7416002)(5660300002)(38100700002)(86362001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7e7fc779-1cf0-4a3f-f508-08da0d48049e X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9417.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Mar 2022 03:40:19.6441 (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: b+vyiiZVgru7YCqgCIDUV1LPlUWocTtzbIxE6+BtAlk8Su+h6Qe3U4OQaMFXEhhRfryUxsqvXCCqVIW3DsHSuQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DBAPR04MB7223 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220323_204023_645436_62CB56B1 X-CRM114-Status: UNSURE ( 8.43 ) X-CRM114-Notice: Please train this message. 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: Peng Fan To i.MX8MP variants, flexcan maybe fused out. Bootloader could use this property to read out the fuse value and mark the node status at runtime. Signed-off-by: Peng Fan --- .../devicetree/bindings/net/can/fsl,flexcan.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml index e52db841bb8c..0f553fdf8cb2 100644 --- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml +++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml @@ -73,6 +73,15 @@ properties: node then controller is assumed to be little endian. If this property is present then controller is assumed to be big endian. + nvmem-cells: + maxItems: 1 + description: + Nvmem data cell that indicate whether this IP is fused or not. + + nvmem-cell-names: + items: + - const: fused + fsl,stop-mode: description: | Register bits of stop mode control.