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Received: from VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) by DU2PR04MB9017.eurprd04.prod.outlook.com (2603:10a6:10:2d0::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4930.17; Thu, 27 Jan 2022 17:21:24 +0000 Received: from VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::f4d7:e110:4789:67b1]) by VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::f4d7:e110:4789:67b1%5]) with mapi id 15.20.4930.015; Thu, 27 Jan 2022 17:21:23 +0000 From: Vladimir Oltean To: Shawn Guo , Lee Jones Cc: Andrew Lunn , Florian Fainelli , Claudiu Manoil , Rob Herring , Li Yang , Michael Walle , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/3] mfd: simple-mfd-i2c: add compatible string for LS1028A-QDS FPGA Date: Thu, 27 Jan 2022 19:21:03 +0200 Message-Id: <20220127172105.4085950-2-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220127172105.4085950-1-vladimir.oltean@nxp.com> References: <20220127172105.4085950-1-vladimir.oltean@nxp.com> X-ClientProxiedBy: AM4PR0501CA0047.eurprd05.prod.outlook.com (2603:10a6:200:68::15) To VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: be3f9428-7dee-43fb-2688-08d9e1b97151 X-MS-TrafficTypeDiagnostic: DU2PR04MB9017:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:843; 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CAT:NONE; SFS:(13230001)(4636009)(366004)(2906002)(4744005)(38100700002)(6512007)(38350700002)(52116002)(186003)(66556008)(66946007)(1076003)(2616005)(6666004)(6506007)(26005)(66476007)(54906003)(44832011)(7416002)(4326008)(8936002)(5660300002)(8676002)(316002)(6486002)(110136005)(36756003)(508600001)(86362001)(20210929001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: be3f9428-7dee-43fb-2688-08d9e1b97151 X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5136.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jan 2022 17:21:23.8166 (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: 3uHAHckIGO7trWIjm56/ZrCIVCjGaRUeoBy0QsEZggcM4ZLsN7sxqwd9lhiDsYi+cMkCz2QthI7OMHv+YNjDpQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU2PR04MB9017 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org As Michael mentions in the description of commit 3abee4579484 ("mfd: Add simple regmap based I2C driver"), "If a device wants to use this as its MFD core driver, it has to add an individual compatible string." The QIXIS FPGA on the LS1028A-QDS boards has a similar purpose to the Kontron SL28 CPLD: it deals with board power-on reset timing, muxing, etc. Signed-off-by: Vladimir Oltean --- drivers/mfd/simple-mfd-i2c.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c index 51536691ad9d..fee709fed97a 100644 --- a/drivers/mfd/simple-mfd-i2c.c +++ b/drivers/mfd/simple-mfd-i2c.c @@ -63,6 +63,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) } static const struct of_device_id simple_mfd_i2c_of_match[] = { + { .compatible = "fsl,ls1028a-qds-qixis-i2c" }, { .compatible = "kontron,sl28cpld" }, {} }; From patchwork Thu Jan 27 17:21:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 538074 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC530C433F5 for ; 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Signed-off-by: Vladimir Oltean --- Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml b/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml index eb3b43547cb6..8c1216eb36ee 100644 --- a/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml +++ b/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml @@ -16,7 +16,9 @@ description: | properties: compatible: - const: kontron,sl28cpld + enum: + - fsl,ls1028a-qds-qixis-i2c + - kontron,sl28cpld reg: description: From patchwork Thu Jan 27 17:21:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 537172 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4496CC433F5 for ; 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The device tree was submitted as-is, and there is a downstream driver for the QIXIS FPGA: https://source.codeaurora.org/external/qoriq/qoriq-components/linux/tree/drivers/soc/fsl/qixis_ctrl.c?h=lf-5.10.72-2.2.0 That driver is very similar to the already existing drivers/mfd/simple-mfd-i2c.c, and the hardware works with the simple-mfd-i2c driver, so there isn't any reason to upstream the other one. This change adapts the compatible string and child node format of the FPGA node, so that the simple-mfd-i2c driver accepts it. Signed-off-by: Vladimir Oltean --- arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts index 177bc1405f0f..6bd58fd9c90f 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts @@ -314,17 +314,18 @@ sgtl5000: audio-codec@a { }; fpga@66 { - compatible = "fsl,ls1028aqds-fpga", "fsl,fpga-qixis-i2c", - "simple-mfd"; + compatible = "fsl,ls1028a-qds-qixis-i2c"; reg = <0x66>; + #address-cells = <1>; + #size-cells = <0>; - mux: mux-controller { + mux: mux-controller@54 { compatible = "reg-mux"; + reg = <0x54>; #mux-control-cells = <1>; mux-reg-masks = <0x54 0xf0>; /* 0: reg 0x54, bits 7:4 */ }; }; - }; &i2c1 {