From nobody Tue Apr 7 06:21:19 2026 Received: from AM0PR83CU005.outbound.protection.outlook.com (mail-westeuropeazon11010029.outbound.protection.outlook.com [52.101.69.29]) (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 92B4A309EF9; Mon, 16 Mar 2026 02:10:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.69.29 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773627017; cv=fail; b=riT7kx2pN+VkIRIz/MvAvpt8XIsaaHoLqVC1VGIKERJP6eTkaxk6g/W1i+0MQrwvox7P9haW6bLeSH5A3rz3Ww0hS3g20gCfEvFnvs0Pi01Flx1JOcjCJfhQBQUKeN3ohv8yUm9uUV4tU10QkNbCTJoF/SnbvbXauPrD5p/IUMI= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773627017; c=relaxed/simple; bh=MKobm6kcMWkLEYL5XN8fozYVsVPzYKu2q5IER7ZO8lY=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=BvvXqN6p25f0gBSjQJlq2PEC1AQxgVXZh8cH/fdMvZflDcTbLjcCMs6UZ3a/VjfIZBgTqe7yunx5huJfD1u31wQWo6e253k4+i74uaLf3H+74ETlZ6cCa5k+He6FvFGo53rdsPv6lt+AA8+fd7r95MB3jzpK+NjHOz8KaQrJ+Yk= 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=NiuGtbVe; arc=fail smtp.client-ip=52.101.69.29 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="NiuGtbVe" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=x6VPzT4SKRJX8HluYhOV7K/4uIMl8X3VSeGEiWFyq+q4oYiSa5cd5C8Nkz5sQzjT9PwYQ89P27s7RNtXhtDjSofaVXMLqqlmJHBOUQpJMToxO0e1s7TzuvzoradQdyMAQMeofAZQ2wsDCYaC79v7/rVLO5u4LWexpFTXch9BYo9KU2w+8wQNR0/Zt1gggJTs4f4zz100VHCtV9VcsCLocq7xVg4Z0wGvkZf8wNb187ndj8xNqVo9izUigWBJbg0jHSmkf+gsAmkRUAPgFduPeAQ83J1huX6P83dRPeMgJlY5mqkH3NIH+21ycPK83xaIm3N0z6ElsOW1eZRdqDJexw== 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=Qbsx1NTchGVXM26uvpF0Uq3Ty8Pfqm9H0pdUpu30wA0=; b=aZGTHATNwkvjDX0hZOVIUFM5LQ0bayKEUSl7o7R1Vm7TVsD9jB9lQU1UzBXwLCNJkp/m/RCqQu0z45h0EKphToONdDQuWFnD0Ie0v/qg/BkipVo+Z57sKwQO5sgfFek5P0gXDUdx9p3O5/SXcuQIXkUjASePaG39NE4YlT/eyhUhupZxT6pNu/rghXGJ721rDwlm0eFyWdB7OM8/qDLhPhvuYNQxKQxumCJzjbh/i2Oo7nYiNmaCQXeJww3gKNz7o7ntTkg4AAC0sm3y6qUJXdnLiQTqJYI1WTPqacQFNpr28pS4NLNCiG32DQns8Keg54KFfTQJrXnNOfPhoAFRNA== 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=Qbsx1NTchGVXM26uvpF0Uq3Ty8Pfqm9H0pdUpu30wA0=; b=NiuGtbVeXmygm31PR6uFxvCkDpk9JNPUfNGxUhf2yJlc/AxwysLPQ2A7ztPRZe9uTqCEwSccmhaZPXqj0Vfi2l9qTptB7SRcepSkANb7MsUpy5tU2G6dfSRojidWe5vYsW/99erQWwSnvB3OWnPvu58ZT8Lozk6JJdl+bU3ybWi4465D/qMl7iYqRokQvvN2llmVETeG52OQgHoxNiapLoKOBEbmO85J5zKPlZuQ/Yr95aDlhoOMmykPudrvDtJ4FBgI6VUxU/kwu8W3nmQChD8FKho/+VV9HhvaUY/jg2WlvEszinels3TiC3VAaxTruJNvHfqy9Bk667HEtK5P/A== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM0PR04MB7044.eurprd04.prod.outlook.com (2603:10a6:208:191::20) by PA4PR04MB8047.eurprd04.prod.outlook.com (2603:10a6:102:cf::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.24; Mon, 16 Mar 2026 02:09:42 +0000 Received: from AM0PR04MB7044.eurprd04.prod.outlook.com ([fe80::bab2:d15c:fcf8:ef2b]) by AM0PR04MB7044.eurprd04.prod.outlook.com ([fe80::bab2:d15c:fcf8:ef2b%4]) with mapi id 15.20.9700.022; Mon, 16 Mar 2026 02:10:09 +0000 From: Shengjiu Wang To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/4] arm64: dts: imx952-evk: Add PDM microphone sound card support Date: Mon, 16 Mar 2026 10:14:39 +0800 Message-Id: <20260316021439.2971610-5-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260316021439.2971610-1-shengjiu.wang@nxp.com> References: <20260316021439.2971610-1-shengjiu.wang@nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MA5P287CA0043.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:175::6) To AM0PR04MB7044.eurprd04.prod.outlook.com (2603:10a6:208:191::20) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB7044:EE_|PA4PR04MB8047:EE_ X-MS-Office365-Filtering-Correlation-Id: 1a2668a5-001e-4463-afb0-08de830125cc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|52116014|19092799006|1800799024|366016|56012099003|18002099003|22082099003|38350700014|921020; X-Microsoft-Antispam-Message-Info: 3O/vuWtp4F/sg0lny7uyTvz6ichHY/g5OMQxWwKc6EyFhqIXe65R7Zm2kg8MFt58pQwa5kZsHQncpIiP64rp4uza/HBrMa36uUXOT7uwCxj87U6dPjeCD/pwMOF8av/nSF2J3iil97JmhJ2pBDJtOalSRDThdyEEAxy41IK76iL9we79DJBSlecUaBP2cOb7pPM1HzQ7eGtfbSrtcWZvQNC+UEgHDVdTb/D1JvG0Iw8w6xETQeSEoyWSZRj/lTjQnOYcO9xKSRTEnndxMqq9P570hBuIQbOJyth9BK29qByPSWnUiQCDwQVetk+kSCy4EQNfHwwQYTiN3F2nK2avOoCCJRhaOVTaUTMrG+AHP68v80s77fujx4MjIXEVQd1Q6hVp7sMg6klO6xZ1I8sZXirQ3ZhE9HaoHOZf30nxd0++sdWN1qDK+BLXy5Cn7Tpl6S4S9dicO3jHqFdjTiJQoHVvSNdb0NwOfQZUccdyxkDm8koDjbW2G9o6eFmwbbrz7M11mJpfRKJt66F6E4XlXDoEHL79+IzaRjfz35j2ysD5fFnXMdNok0K9mQXurvQycyBMHRb/HUrlJx6p9ncyuNCDrahZssBSC4jge5ajsmNsANRNNEMBNqHm6trx5Wr9Y3m8gerNYYUCzMHtfhCNsyyNU9DYTiL663rxg5ATAVeJaaJicK0tNky4z3GypUjMK2xjWH6ryodn/ZPZ0OcvZd//etXonpP3UkR/6lzttLyj1xI3zSPmRUAard4aR7pcIppPJXM18gdB9l/RtdOdj8UdAAJ9iVnl3Yz2IGODSro= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM0PR04MB7044.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(7416014)(52116014)(19092799006)(1800799024)(366016)(56012099003)(18002099003)(22082099003)(38350700014)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?7ccZYNgy+zL3nmQquJNZuxYPre8e6JKta38nWDbmiGdsXDs5AFKbAmoi0Xgs?= =?us-ascii?Q?PUawLEjdagp666MhfleaKGzJ4ObSGWudtzVPBql5iOC2dkbAtyPPzRX2P7gG?= =?us-ascii?Q?8wH4ElIBJlPb4cCHFz2s/6QxpHMGzy//IC9IvUlGVjV4/FJupqYxgKDlHKdx?= =?us-ascii?Q?eSPjtae1wqUFxvmWk1niiUv3wH1urimDonDvixIbLvwGtfYM7NkmAGplgef4?= =?us-ascii?Q?BH0tF2mXZLOuaeLP1pKZYonpg+E0X5pu3ZNIlYOQPuHMLTLxhu1dRHKykH+y?= =?us-ascii?Q?L8ICymBgfBY8zP109VlCN7jJCvbHkA5zFrF4rAfyafzeVP89mGf7Du50ezkv?= =?us-ascii?Q?Kx7mU6DHLin9NOaDGhLta3hR5ZE3u5vf7GbH4MxKdFG5FmUujvrm7UAdojCA?= =?us-ascii?Q?ydDQcbW4jA7iRjF13KFueI6IVvKAu6doPXK/vv+IaLaAaWWrl0jB30Fgz1in?= =?us-ascii?Q?1O6f+iwV2VmTNqa0kxrtrYSC3mYiplWp49xOUZFVDd2jRsxtzaqtGZBFsBcU?= =?us-ascii?Q?phXEt4+Cl/6sz5Dee03nOFQIzihl66KUhnwbKYZSBs6xvUjdv6IlIAxRGTqQ?= =?us-ascii?Q?2VKVOH8+CHY7KZu/vLE2AZg1XYpLAI9uwo0/YYN1Q+VkX9nVSI84vt7TbsPT?= =?us-ascii?Q?ut4EZsIJj70mQD/fIKY03Tm4YjCZtCxDZzQ8cbLy3aGOQ4S8dw4wByegj4VE?= =?us-ascii?Q?yS/i3CbNCe8IEvbf9O+wfaiv4lNlIoMwla3Ned76RATJriH2WVe+7PtjO/f0?= =?us-ascii?Q?GGT7ExNHB/Le74qPNeSCuaSfmlzElkmHe+EZ2TrMUr1+5w3qNV6eXB8yO5G/?= =?us-ascii?Q?GNKZ6L5YGDo68NfBjwzhX5QOzZR8oHtWRXJUdPwxuZa4gf+r9qY0So14oyhI?= =?us-ascii?Q?5RfEAEMmYtX2zIwPconyzwUca+oIkL7OcYsAGXf3PFkxyVHnuGic64hx1xUa?= =?us-ascii?Q?EH5nKoisDmvSY+hQOCaVZ8O5E3rsIFiStbzsSNoojTAO4a+5bvkW0dFjrm5s?= =?us-ascii?Q?lMw2ZVr90RhIq0iDVAG3b/3g8+ZUDoVg0K/VuUkdvrmdZ8BUL0+ykey+Fv00?= =?us-ascii?Q?eXkHBn2rajU6Y9DRW9wRQjY0htWNoM/njNUVyt5Gc4RQgBaQX0pZURSXEWPQ?= =?us-ascii?Q?gn7LQtRPCddtirXm4X9EOx8o/b8i2qSiGgcLRk/AAAsJXSiD1cNACHKKtQXu?= =?us-ascii?Q?XeFnEWaDLH5QLiCCl6vFeecot1nh8tkaFRqWzWqVx0YL+4LykG5wOA/w/xJy?= =?us-ascii?Q?h/Z2+ulC4bL2S/Z6P4w3dq+LoLCxo75eH4qBR8nBl9RBPe8xmPC5HDIymQPj?= =?us-ascii?Q?Uh6sQx3Wtxl+NU/Rqhh+s+0IGLcDR3p/fYloOgssiNrKzAK+Q5875pL2tMqQ?= =?us-ascii?Q?2KlLlXK8R7ocT+pNu715miLq+mlkAZ5n10nsblqGTBjf7HXvjZ5E0Mxo+O0C?= =?us-ascii?Q?GbLIrkymFVz7kWjLYNl0/4cxgCNmpKg5wKuFdsBRn3FQO2HUVVnO1HMTid2I?= =?us-ascii?Q?jgGf6Qx9IXYfHdsEAfBX46mxWs0dC6j2OjAKXU080mvvHz+hNm3XUTtezXLq?= =?us-ascii?Q?edXUGizCwqwPL5Dv8446C2Z0/haHMyjH1DIxEDovApUClRMIKFBlW13aSp6f?= =?us-ascii?Q?gwuFpAR7SnSTp/ah14pZSwkDOhnv8Y88GCodhRzB9LCfd2pgi/YM/UE8S2nE?= =?us-ascii?Q?lnOyUjsHjz5GoTya5d7IhSM1zWjGy1YoIsLCP71zguUTDjfjiSkGbG2Jlv+G?= =?us-ascii?Q?7QzaweaDMA=3D=3D?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1a2668a5-001e-4463-afb0-08de830125cc X-MS-Exchange-CrossTenant-AuthSource: AM0PR04MB7044.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Mar 2026 02:10:09.0091 (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: z7FQA8JGHUxXXnQguxOH/LhqQukmxVcqw5cPeWhkVtrkbwOM2+sFYclwEAbc6lQ3gsZTOZ3ZiOjrjDhfAogVPQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PA4PR04MB8047 Content-Type: text/plain; charset="utf-8" Add PDM micphone sound card support, configure the pinmux. This sound card supports recording sound from PDM microphone and convert the PDM format data to PCM data. Signed-off-by: Shengjiu Wang Reviewed-by: Daniel Baluta --- arch/arm64/boot/dts/freescale/imx952-evk.dts | 54 ++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot= /dts/freescale/imx952-evk.dts index 2615fbb63145..62d1c1c7c501 100644 --- a/arch/arm64/boot/dts/freescale/imx952-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts @@ -52,6 +52,12 @@ chosen { stdout-path =3D &lpuart1; }; =20 + dmic: dmic { + compatible =3D "dmic-codec"; + #sound-dai-cells =3D <0>; + num-channels =3D <2>; + }; + memory@80000000 { device_type =3D "memory"; reg =3D <0x0 0x80000000 0 0x80000000>; @@ -164,6 +170,24 @@ btcpu: simple-audio-card,cpu { }; }; =20 + sound-micfil { + compatible =3D "fsl,imx-audio-card"; + model =3D "micfil-audio"; + + pri-dai-link { + format =3D "i2s"; + link-name =3D "micfil hifi"; + + codec { + sound-dai =3D <&dmic>; + }; + + cpu { + sound-dai =3D <&micfil>; + }; + }; + }; + sound-wm8962 { compatible =3D "fsl,imx-audio-wm8962"; audio-asrc =3D <&asrc1>; @@ -411,6 +435,22 @@ &lpspi7 { status =3D "okay"; }; =20 +&micfil { + assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>, + <&scmi_clk IMX952_CLK_AUDIOPLL2>, + <&scmi_clk IMX952_CLK_PDM>; + assigned-clock-parents =3D <0>, <0>, <0>, <0>, + <&scmi_clk IMX952_CLK_AUDIOPLL1>; + assigned-clock-rates =3D <3932160000>, <3612672000>, + <393216000>, <361267200>, <49152000>; + pinctrl-0 =3D <&pinctrl_pdm>; + pinctrl-1 =3D <&pinctrl_pdm_sleep>; + pinctrl-names =3D "default", "sleep"; + status =3D "okay"; +}; + &sai1 { assigned-clocks =3D <&scmi_clk IMX952_CLK_AUDIOPLL1_VCO>, <&scmi_clk IMX952_CLK_AUDIOPLL2_VCO>, @@ -604,6 +644,20 @@ IMX952_PAD_GPIO_IO36__WAKEUPMIX_TOP_GPIO5_IO_16 0x31e >; }; =20 + pinctrl_pdm: pdmgrp { + fsl,pins =3D < + IMX952_PAD_PDM_CLK__AONMIX_TOP_PDM_CLK 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_PDM_BIT_STREAM_0 0x31e + >; + }; + + pinctrl_pdm_sleep: pdmsleepgrp { + fsl,pins =3D < + IMX952_PAD_PDM_CLK__AONMIX_TOP_GPIO1_IO_8 0x31e + IMX952_PAD_PDM_BIT_STREAM0__AONMIX_TOP_GPIO1_IO_9 0x31e + >; + }; + pinctrl_ptn5110: ptn5110grp { fsl,pins =3D < IMX952_PAD_GPIO_IO34__WAKEUPMIX_TOP_GPIO5_IO_14 0x31e --=20 2.34.1