From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011058.outbound.protection.outlook.com [52.101.70.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F2F53FE64B; Mon, 4 May 2026 23:55:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.70.58 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777938923; cv=fail; b=evQQ5GaT8DqtU6ETXYW6X456Y82+RppQMe2mWOARsSXYIDuKivjCFEsTwgg9NjMZs/Zk/iFu8RuTVyOtGQSXWDUexWq6WcGeWt/JiK9o8yc3gryN2dhjkwTMX0+pe9yLse8JTintAFO3ItCkJoyQd7zmYaVKX2DcC5ev5jjd5Y0= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777938923; c=relaxed/simple; bh=EPeLxotNzw2voFnaeTwUiSekZ7FvB/hteiW/+B4SVJA=; h=From:Date:Subject:Content-Type:Message-Id:References:In-Reply-To: To:Cc:MIME-Version; b=I5Xa4a6qDyCCiq9/k3tGFD+bx6NKpxL1h0oE7icN+OAg0k1/V7UfQA8gIlG0gyB2uHqtUeYpU8s7WcdG56HpOh9msuMB4Kz4RLTEOlXCsG3aTCzfaZJJ7DLj9O9U5IzG0kpD24zFKxPMB0UkfEPP3z9RQ8chstuxz+qI1kaFnFM= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b=PS1Vl8RS; arc=fail smtp.client-ip=52.101.70.58 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nxp.com header.i=@nxp.com header.b="PS1Vl8RS" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=cPZugW8z106lnkXacjCVgXCJV8sC+3SQEf1nbbu6mJcJwIVxOJcIFa+Ani4yNUruWLeBt9aVsYaJKvhpu208zh6ZUX1I9Vlzx2AlkVG/82+kQRw13hPUqA7ob6w+sfUwLQu8c+8jhaTR823L6UcwfyGNWJ111sPQFw0JunaANqZMInqhVnSqPq3892+AQ65oIEFJvqUdATY4c4RmLIU1KtOzLTEXkcvvRuuoxVlW6dnNT1wR8wbDqkzcl97ejJoPI182/eIX2eqEBfCDKmY8KG3QS1yBsCWqJsBQDYq7DtpjC7NNFpuLYSRfihAs/Wapkj20zkCZN1NCi2adUdeK4A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=UlUYAHBOiVV+s0XOTl0AkNJyqRmaYZqCAqMdNDH6/L4=; b=MnuxGyLQsIKgey57hJ61sJwDKDpXIIQZYtOTDtLutzlvefMSWS+OJ7P89DwRrAGaDB2TZdLN6plcMgG5mdG6zgckpXejITGN18018wkUUs8Hto+MDaT/ZItZy2bZvKW3Q+1NKoIN0YRZxVzh0EgAyO1W/ioFSbxvay8rEQdZERrTmYJP2Pn8aRgQKLMpPVzEpv4fKOWtuOPGtL5i1kJEBdU1+gb2q8IYa34id7DJmgcs7TV9SP1MENzVYM8wFzZcAxqO/R3wuEpqmLmoZbp1GIh5kDZjfAy7hMoGkXNm0HCEvHR8TdGjVvwVx2oMmhK8gXX6SLxEFb8MzqnMiWloOA== 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=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=UlUYAHBOiVV+s0XOTl0AkNJyqRmaYZqCAqMdNDH6/L4=; b=PS1Vl8RSha4mYXt40r8O0LnIj7BVenjx3+55R9ccafnVEVwNKKR1f7quiwclQ1pu4anEnvrshbid7l4Aq1hZUnQ8E7dYOJASycJV6QgFbkHBL1WDSnBq4wNI4r5iw1ZnKqIjjjHZl5Gnq9wJW8/Scv/QDHOTzj3tRozVIkEhrjaTHyoD/4UQsbg91jHqj3jBYzkq9oef15ygViplyw6RSPaQ1mYG3GAJyFoo2u6Mas6cprvU5rtDgh0WkWUaNjEMDAPGbgTclPK71aVAJGcYI7Bb006OjGZUp9WZpVxt7cPNJ7eLMjE52kkCImh8iIjOJ8ynaKJJaYwNQRxgHdAZOg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) by VI0PR04MB10511.eurprd04.prod.outlook.com (2603:10a6:800:23a::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9870.25; Mon, 4 May 2026 23:55:19 +0000 Received: from PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588]) by PA4PR04MB9366.eurprd04.prod.outlook.com ([fe80::75e4:8143:ddbc:6588%6]) with mapi id 15.20.9870.023; Mon, 4 May 2026 23:55:19 +0000 From: Frank Li Date: Mon, 04 May 2026 19:54:40 -0400 Subject: [PATCH v6 6/7] arm64: dts: imx8mp-evk: add board-level mux for CAN2 and MICFIL Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260504-pinctrl-mux-v6-6-8ea858ba3a5b@nxp.com> References: <20260504-pinctrl-mux-v6-0-8ea858ba3a5b@nxp.com> In-Reply-To: <20260504-pinctrl-mux-v6-0-8ea858ba3a5b@nxp.com> To: Peter Rosin , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Rafa=C5=82_Mi=C5=82ecki?= , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Haibo Chen , Frank Li , Ahmad Fatoum X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1777938890; l=2170; i=Frank.Li@nxp.com; s=20240130; h=from:subject:message-id; bh=EPeLxotNzw2voFnaeTwUiSekZ7FvB/hteiW/+B4SVJA=; b=l1AESn0tgAWwK7fK/bNsYR7dYCqvgeyhKVK3H/wjzyjK0mynggR+Gh19asXvjccupSSFogpvx t5OP68Un7jGAGZv3R7ILCE/MAmEuCpB4ZFiUwCLmr6basvRC+Q+zS/W X-Developer-Key: i=Frank.Li@nxp.com; a=ed25519; pk=I0L1sDUfPxpAkRvPKy7MdauTuSENRq+DnA+G4qcS94Q= X-ClientProxiedBy: SJ0PR05CA0055.namprd05.prod.outlook.com (2603:10b6:a03:33f::30) To PA4PR04MB9366.eurprd04.prod.outlook.com (2603:10a6:102:2a9::8) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PA4PR04MB9366:EE_|VI0PR04MB10511:EE_ X-MS-Office365-Filtering-Correlation-Id: d2a5a10a-4382-4164-d246-08deaa3898c0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|366016|1800799024|376014|7416014|52116014|22082099003|18002099003|56012099003|38350700014; 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:PA4PR04MB9366.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(19092799006)(366016)(1800799024)(376014)(7416014)(52116014)(22082099003)(18002099003)(56012099003)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?MWpzZjdqNHFuNlFQNUtYeWR4SWpvUWd4WEdPZTFvQ2VwUkRZMHVhWGdDamFu?= =?utf-8?B?SklaT0RYUGJQamVKbHFsdGFock1TN3JSckFucUJmbGdMWUw4SXFGVG44aWJx?= =?utf-8?B?ZnRydkcrd3JnaThwcm1SL0ZhTEN3OE1LbzFLeUp1OW1UanVjNERUR2JvVkpB?= =?utf-8?B?OFNvOXFxbXNKYk9QcTMxV1dYbm5mT3lsdm8rL3hIL2xsQVl0N0dzckxCMUFG?= =?utf-8?B?S0habzY1cU9HcDhzbkpGdDh4K3FySHg0TkFZVktUWW5ZMitlK0k0cG1lWStG?= =?utf-8?B?NFdCaFo2dVBPd2Nid280VHNCRzFsZW9UczY3MkFxcHd3YUNRMUYzUXpjQmx0?= =?utf-8?B?VmhsN1ZDSk5IUWxLLzlGbXhtdVF5eG5BYnY0Q3RBdEtoaWZnUmpuaVNiN2J2?= =?utf-8?B?ZmVCWVR5ZWI3ZFZjWVUwQlNoR05LUnc3c3NNQnN4Q2hUTmx1Zk5wamEvT1dC?= =?utf-8?B?ZFFDaHo5SVRCa3dhYVJhZzByVG1SU0txSzk4aVU1eE1lM2FvVzVmeUNaMVE2?= =?utf-8?B?K1JKaE15aW5HR0pMdUxlZEsrTFhyZ2Q3ZHd4cVYwN0hIa0p0QXFyL25heGU1?= =?utf-8?B?Z3JQYWdhbm1ZaHFNODNsajFCVGVzNUM3bEcrOWtpTTk0ZmhybElOYmRJS2dw?= =?utf-8?B?dEp3UmpnYTFUNnlaN1A3QTM4NWYyZUFWSnlFTXdCamFNRlhMbkFyRGFlQUY1?= =?utf-8?B?T1BhUkUvU3FBYkZwSm55ZFVsd1o2YXlkNDhJaU9KOUowcmFJNXd2TWsrdU9w?= =?utf-8?B?QmcrNFdGbHpueTVEd2MwOGVhUWVmbnBCMkNxclltRkdKODBRblZLekNGNVNG?= =?utf-8?B?bVF6MGRLeTYzQ21WZi9MMGkvZ3R2RTRyd1B2NmdhZEtDZC9Qc3NBS1VJOGNZ?= =?utf-8?B?S082M3lMS2NLeFEwSjJrNFgzaTRKZ0FoWjJLQjYxYWhDVUc1akRUV2JDYlRY?= =?utf-8?B?ektESU43SzNyU1MxeldKQ0xNa3BSZGxjaS9JUGtsNlpEbVUvTHNwTHlCSXFx?= =?utf-8?B?TG83bjZTenYvS3dlWDd3Mm1MVWJ2OC9zMThrVGFiVTNYQzFLUzRFWFJ2QVUy?= =?utf-8?B?Zk1UZExadm9LQVNEUVVGYjZOQ2p4UHdnM21URWhEcHRtYllVRXJGTWZFNXgv?= =?utf-8?B?QmRHbFJsWE1HdlZaUkZIdjlhbzJlazM2RnBjUWMrWVhsRlNOb1F0RzVXNzVO?= =?utf-8?B?dHJENW9paHlnZXVXWXlMSnFQUWNScEREMzh4dHVnZ3ZDcnhmaGZhZUh2anRJ?= =?utf-8?B?cU5ZZXVUUmsrSXNFZDVrc1MxR1VSenlLY1NEbGFMdGFVeWVTeldVNWNWZnFi?= =?utf-8?B?cEQwUFJXVXk2TFlOb21zVDhVSVFiYk9qWE1WWGJrVlRydWVZUlBsZXZGTUQz?= =?utf-8?B?V0ZFWm0rcjRrcTJPMDljU0ErK3d4MmQ1ZUhpOCs4VmlkUEJnQnllYi9Yc01X?= =?utf-8?B?NFBSQi9KZ253dk5IdjNDem50cU1QQXpKZGlVUGc5TGtUS0VrN0xXZFRobDRm?= =?utf-8?B?SjlQMW93bkt0OWZiQ3hvNG5hRVkvK01SWHRmcVBGMHVWaDIwUDFSMVlDZWJo?= =?utf-8?B?SFB3RW1YNW1XM2hzUU1MZFgybEczWGxOem56aXRPVTkxdnJTR0VFUmt1MENS?= =?utf-8?B?emdCaXhWKzh2TEtOcjV0TFJuQkNvanhuVDNyYWI4aHkxUG4xbmNtM214ZXV2?= =?utf-8?B?dnZ1bk1UbHBzS24xTjI5Zk1WSTM5YWJ0bXdJMXNaemZDb1JwTVJLRWNJbTVI?= =?utf-8?B?cmYxb2FPdkh2RDFOcWpoVWh6QW5lUWhaenkwaDFVRnNLai8rTmFwMzRwOUdW?= =?utf-8?B?SkZEZGJ6cEd3OFZHeG5KMHRhUldtTFphQ2JIeGIvMnk2RFBoNnJ1RGI2QW5O?= =?utf-8?B?c2E5cU5SMmRiWFNHUExuSm5hOWpWTENmNUZWNVA2dkFDbk9uTWFlUjJRMmVw?= =?utf-8?B?NGxZVEtQSmREeUhIMTVXZE4zU04zTTI3MC93WVd6aU5CWi9BSVRzSWU3OFBY?= =?utf-8?B?QmNXaEJuOVNKanc2U0tmOFhONW96dDdpNmtwalNDSmFHUW91SU41bDN6emor?= =?utf-8?B?MzJCTE5iZE1EWjVPblFlRFVMMGNRQ2dMZEl4YUQ4OTJ4UTcyWm5uTFptQWZo?= =?utf-8?B?WWNmU3ZCNzlMVGx4RmtxNkNNaUxqU0hKSTZvZG1FOGFTbjRDcjBXYTZLcGxz?= =?utf-8?B?U3ZUdWdFeEJteDUxS2NGd1krU1dZRlVtZkNXZXJ4WFJCQXJpcDdtcG4vb2ox?= =?utf-8?B?T2tpdTRxdlRZbEJqQlFMaThRWjVHMXBUQW1DRE92a2d2VmgyOUFSSllienB3?= =?utf-8?Q?L0H2tsFHO8pBT4d1TX?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: d2a5a10a-4382-4164-d246-08deaa3898c0 X-MS-Exchange-CrossTenant-AuthSource: PA4PR04MB9366.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2026 23:55:19.2084 (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: eC3jMn1N4xoc9LwQiRQ91m2CJXUjACqab5hset2vB9IMnLxg64yRj0K16CGs01xy27Yt6bR/voxBEt1zn99lIQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR04MB10511 The board integrates an on-board mux to route shared signals to either CAN2 or PDM (MICFIL). The mux is controlled by a GPIO. Add a pinctrl-based multiplexer node to describe this routing and ensure proper probe ordering of the dependent devices. Previously, MICFIL operation implicitly depended on the default level of PCA6416 GPIO3. After adding the pinctrl-multiplexer, make the dependency explicit. Reviewed-by: Ahmad Fatoum Signed-off-by: Frank Li --- change in v3 - v4 - none change in v2 - update commit message to show why need update PDM MICIFL. --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index d0a2bd975a18138f6fc31199d2d5f0dc8149946d..f9d248121537eee64ee0042fd86f1c929ea36c83 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -50,6 +50,25 @@ status { }; }; + can_mux: mux-controller-0 { + compatible = "gpio-mux"; + #mux-control-cells = <0>; + #mux-state-cells = <1>; + mux-gpios = <&pca6416 3 GPIO_ACTIVE_HIGH>; + }; + + can_mux_pinctrl: pinctrl-gpiomux { + compatible = "pinctrl-multiplexer"; + + can_fun: can-grp { + mux-states = <&can_mux 1>; + }; + + pdm_fun: pdm-grp { + mux-states = <&can_mux 0>; + }; + }; + memory@40000000 { device_type = "memory"; reg = <0x0 0x40000000 0 0xc0000000>, @@ -453,7 +472,7 @@ &flexcan1 { &flexcan2 { pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_flexcan2>; + pinctrl-0 = <&pinctrl_flexcan2>, <&can_fun>; phys = <&flexcan_phy 1>; status = "disabled";/* can2 pin conflict with pdm */ }; @@ -720,7 +739,7 @@ &lcdif3 { &micfil { #sound-dai-cells = <0>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_pdm>; + pinctrl-0 = <&pinctrl_pdm>, <&pdm_fun>; assigned-clocks = <&clk IMX8MP_CLK_PDM>; assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>; assigned-clock-rates = <196608000>; -- 2.43.0