From patchwork Mon Jul 8 16:12:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Farouk Bouabid X-Patchwork-Id: 13726833 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 C2312C3271E for ; Mon, 8 Jul 2024 16:14:34 +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:Cc:To:In-Reply-To: References:Message-Id:Subject:Date:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=ClLe3KlZD8KJlI80eHCEZS0tRLHezR4SIJAhpLzh6W0=; b=VEPViMUPbN7zekWMvitbAILwuS JTUsgVFQMG02d5tTUOIhtL89dwmpsdglVc/pdiaouzjgVR34SMeDQUxo/XWVj3Vah90mBeYnQ7qUE 4VD2/YEEM2gmkq3rEAa5M3X3hhzXxMezwrnj/eEUuPzpDfHlBMtJ5/3ynsRyBoi/heBsygD9D434s xQIE+yvn3XNbLpCgyUR3Dvf4+0NVcHP5kZZ61Ph0G2SZV2IYpdazwlerBs/o4ANdDYaDZYF7yr8Xa 7+PvuCbiEl08UEN0+odjFfpgw3xoHV3ODs6VAsvur+BogcWvQsu0TVoNyXSBD0/fc1r9O3f4YiLFD 0QMZAcIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sQr0a-00000004OW7-15y7; Mon, 08 Jul 2024 16:14:32 +0000 Received: from mail-db8eur05on20722.outbound.protection.outlook.com ([2a01:111:f400:7e1a::722] helo=EUR05-DB8-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sQqzV-00000004NyG-0otn; Mon, 08 Jul 2024 16:13:27 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HbnVu33MNB//FB+2rIj5Ho+JYMwu1Ma9F1S4Y1gbtjDPtr3LhV2k8lb65j8REwV4rvfjDKuEBJxGJWR6kFUgmegagr/sLWDO3mGsufznDrSMMBzfQ1P/6fi1whgZUL70hmCa40rSEgibME6FhMxIVjrwNkyt1Yx1bmfrkW5gd2of8vLOwMO4JYLwszWS0QFDEUUpEchNrZx+B+kUbbNnkbwqN4d6qKcnRqYn0F/53c/ULewBMFM0r+tSriaNZCy2zsCkl6lNwH3OA0mi6CuUjHI5mDlO4Z6ddp6YZRZEevZmMGvBvOah0aPkR72+jrTf+XCrZ2Lyu6uMflIDjN7quQ== 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=GkOCG7RY7/trDIgoqsitLNlBKtDFLvlpQa96h6aNfEY=; b=jPRyR8/v39jhmy/1QzFLgUtJkx4A3dmfd3B6kbBOfS0BTF7N5DcdRu1vjiQSHTiBR5PbX6aXRM4CfWp7Jv0s3gAM7jC/6aakz3qgj3fTvOTdYTotSkSbrBg9gObfH4oPlNaa4NydytMjLvmD96TlnJH28L3MVgBqzz4RAySLT8WA9/gYklVhxiDj/1sz9h7t4VxfJ2l7/nhoxWqrEDxTCrKWmUtMDO3Fgbw3MR7GSgtoZCBs9IUdjDbflm+yehKRHt1llHBs7Vm55XjGvNYZ1ZTM6PFfYfbFODNXtlLkKy/EcCks5wpN9L1voA3Ob3qw7fPoothoCtAtH8gQ8MhvnA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=cherry.de; dmarc=pass action=none header.from=cherry.de; dkim=pass header.d=cherry.de; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cherry.de; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GkOCG7RY7/trDIgoqsitLNlBKtDFLvlpQa96h6aNfEY=; b=AOM5EtAxMZI46bqvSaYRYfIcg8zLhW1FcVHln4MCKuKRkS34jxyZJvYE4kPPGCMMkG2JuA6DxfWWInSfeD1tXLLLSXloo0ZGGEHw34d8GGCFZfOgv8EzzkHRF48Q/rq5MhY9GoPgUTwiE8yVqvgk1TbXenTw4oL239jvxqjQ3MI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=cherry.de; Received: from DU0PR04MB9562.eurprd04.prod.outlook.com (2603:10a6:10:321::10) by GV1PR04MB9055.eurprd04.prod.outlook.com (2603:10a6:150:1e::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7741.35; Mon, 8 Jul 2024 16:13:12 +0000 Received: from DU0PR04MB9562.eurprd04.prod.outlook.com ([fe80::ad4d:8d53:1663:d181]) by DU0PR04MB9562.eurprd04.prod.outlook.com ([fe80::ad4d:8d53:1663:d181%4]) with mapi id 15.20.7741.033; Mon, 8 Jul 2024 16:13:12 +0000 From: Farouk Bouabid Date: Mon, 08 Jul 2024 18:12:14 +0200 Subject: [PATCH v5 3/8] dt-bindings: i2c: add support for tsd,mule Message-Id: <20240708-dev-mule-i2c-mux-v5-3-71446d3f0b8d@cherry.de> References: <20240708-dev-mule-i2c-mux-v5-0-71446d3f0b8d@cherry.de> In-Reply-To: <20240708-dev-mule-i2c-mux-v5-0-71446d3f0b8d@cherry.de> To: Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Farouk Bouabid , Quentin Schulz , Peter Rosin , Jean Delvare , Guenter Roeck , Heiko Stuebner Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.0 X-ClientProxiedBy: VE1PR03CA0057.eurprd03.prod.outlook.com (2603:10a6:803:118::46) To DU0PR04MB9562.eurprd04.prod.outlook.com (2603:10a6:10:321::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9562:EE_|GV1PR04MB9055:EE_ X-MS-Office365-Filtering-Correlation-Id: 80034f53-2024-4555-4fe9-08dc9f68dd92 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|7416014|52116014|376014|921020|38350700014; X-Microsoft-Antispam-Message-Info: =?utf-8?q?u1/G7AWLFPfjb+Z6DUtPgPFn43CqKpt?= =?utf-8?q?jVIh0+xK5aaZUh9J2McbAcpIEU7SRWkvQy52wvXLZrDpogZNWzOux0lgroz9V4fwB?= =?utf-8?q?gJezNclsSMx42kDFM3p94eU2kEzvtVoPPqCPCiom+zFXOxS5GRrTi9lf9vr7wRvMg?= =?utf-8?q?Uh6maSgW3qT/EEkGMprpgf+ysIgilZk/5bguwemTviO8UBbOqZS9Oe9wz8ba3TuNV?= =?utf-8?q?mz0mOEjHdhUOuezQJUuCKg9QybktstA5OpBh0MAYymt9R9JnRH+bzFw+tgaRK6eAI?= =?utf-8?q?VV/wS3yEhA+bAgkYdPpnfQP5EGlNEDXU3oizNF0BCPSweIztoYS1iPEBicVhJwQLf?= =?utf-8?q?tnx2PgSdbthhl/gfJyiIjgI698O14VG6JkZ2WM3ZnfN8QFDnWdbh+i491YdF9jH8b?= =?utf-8?q?YUzlmYqTIHIdpEdHIGnD0AI0MPCar80IIvdrY9VIGJ9aQo829TgKfqqUFJjXjtx7x?= =?utf-8?q?1HcjtFgRFTcp5lXwSGTSL9z+OTqsCWd8DMfdeMnwF0P/rWlX1eJPrEb9fSKh0PN4v?= =?utf-8?q?RTQjqLPseaEFCTPndKts/85BTOl/JXPziAfOj2hJUCDGldtNQchbRCvppDii21Mo9?= =?utf-8?q?xGXOwIBUFa2TdW/BugZUQ+Q4bMahV2VsQgQC7RI3svnV4TPPmtyEbqK8YyQaEOMdS?= =?utf-8?q?WPcskJENBMMG8uBpZ18+dUg7gh4GQFO4kIzlK8umocFTPYL945TmYVjhCa96jednF?= =?utf-8?q?YtUeIkf8ffFQWGiJUaZ30BcZqEULYxjv8gGfCWBGTa/AZsuCl9BgXTDhAH61jLfFy?= =?utf-8?q?/Q8YnOzUsjyA5nwF5jEcH0U+ZphKpNeQSkRHXNu7GHS4l30ZUkK8Zn9KTzIUHoeit?= =?utf-8?q?WDmz2WJKhJ28OjAiVcu01+H9BkVVZB+kqpVWRZC+5am8WTnUY5FiwptNpChdt4eWI?= =?utf-8?q?2zJqBNddZdCOTkw5RYDPdTKX4ZAaIqo6ZOZ6NUNdieXIXJiSa7C2PmIz6zF7Eb+Xd?= =?utf-8?q?GeS+MBj+VZkzkvQeO8AerjfYBaCA0IQY1rQVbIlbEo5hmnepwMQF98lXSNLrSRcD+?= =?utf-8?q?bvbdmPrMDPuwaepcQhPqS4CoXz9QUkhncENlg9ZCW5NtsRd512a2s2z67lldxAV/b?= =?utf-8?q?JR/5osx8quav3qI9Kxn+FIAupozEr4IQJh6vNy5DtHjZyKc8UQAlZD8xc8Zt1OooM?= =?utf-8?q?nZGPOnsTGlECsTV3ik64d+dLjCHylTGO2Sx9Ku1phavPaHFfo+t8eW3zUoWZcFiQY?= =?utf-8?q?SUMhs6cnOeHdsvVCkyXvNaCXLnfTM3bNAwQLRFlDZL7yVmEbwCadYgxrlUNGnMJz9?= =?utf-8?q?+971+U7SsdE2N4sm0Ll1NAhMqAfkQkbBs+vANyXER1Bn3bwpL7p3shIE=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DU0PR04MB9562.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(7416014)(52116014)(376014)(921020)(38350700014);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?N5JrDsuDrWa+JAWxLtqTlN+E8j++?= =?utf-8?q?9EOGFEH3b9HRlfs04j8Gz58y1ws36/YMDyosv2IIPnTll7ektP2JdLZlhQhwNLpks?= =?utf-8?q?n9LXC95DB/kUIlXjfqg2P1gvId3M+w2CAh/aciCRp09rwKDgC+hB9t8GD8MwYnonD?= =?utf-8?q?esqrEl9rrFUhNNjLd6z1wJN/WrzSZrBH5LsGG9sQB8d2besaMZz5o7IFaWgi5aALY?= =?utf-8?q?QCJqaV/fQj85pB18M5A4Q1ww5X1J2m5vh1gaWl7pyWMpLYZe31aghfAQC9O+Xewce?= =?utf-8?q?x4VcqqzcUyC/VdD0nPFXg6TVOkDg8BAX8VnWE9b4Od2uMHt+TaeW4DEDJUnU2P7XN?= =?utf-8?q?XUx4IS5QINPOcyodWZd8KBD2SD2KYzVrBm3yuJAfigi7YTxnl3oZ4MOV9AV/+pAr4?= =?utf-8?q?f6710Zfr6OXGNjaaEBhiML6ei3dyOmIzg64xj61yqQZGAsZYbLDtBYd2iK42Iub/t?= =?utf-8?q?ZNSu6tagEKLbEWlhGkiQKpt8GlLG6R8UenCfcXivTBN9z7QpsnmDh5ksX4/PHXI6H?= =?utf-8?q?boPe9sNTXNoSA/4kLskEVYZCm7scmgWIAmN/00m3/jS5YwjYP9od7skwCjNbfX/b4?= =?utf-8?q?hUnwS6XGox1cNTOrqsl1ADIA8yOFYKWOGvSH2V8qqDtfFGxth4z/c7ndJEagO/tli?= =?utf-8?q?j+8rMy1NzV54T7VGszXJUctDUULKVq6Ofhgw+wTqnAQ+zrX8JPciHyVXdUAta7Oax?= =?utf-8?q?LRxBe/MDKnfIBGMI8ZCn2V3FrsrEyLvF16c0X3aUOOKlDBi3v7yw+78CyEMYyWU4S?= =?utf-8?q?43E/sTtF/EFk2u3au3OJxrpcmdaj6N4V6ILsk3HFfuVW9CZxwlVSpzRg5j7qy0jfu?= =?utf-8?q?CX+dc4XwKZvURybCVPRMzL2NDaP6r0Sh883BBeX6jrCEC0RmWuPu7wFMB0oqwC9IO?= =?utf-8?q?qAe6KkrH3pK/WVsxfbDuLcSxuny8/JyNc1QoOMmAYpIfVk/NOFOewfcKGedOHONfS?= =?utf-8?q?KkqE76rsUb3i0ACGUAJ9MvZFaCy3OjznWMaI5YKL9SdJrmZn+uMvbc8wwdEcxi9zy?= =?utf-8?q?a+0XoTxZYjB70ppcyZZBeqlP+scfll7gpJfUPRVik1FilEQvYdVc9eoH/OVsu8/zi?= =?utf-8?q?lJ+UvridWaQntYJjLumKtgskYAcIFLcobzwnRQX+xFuptXphl3iijjHKhv0zGQWDP?= =?utf-8?q?6E9Or/NIcWBTlnx8rrJ7BBoaiG3GGHnLegMZWahsljOHJmfit41Spkad4Q8yKPQIY?= =?utf-8?q?nrfcyxfrA0qt3zvQkzCA2xT/dN39ABmF9JmN36yboOgGfQxrMnwntS5o0IvphNAG4?= =?utf-8?q?KeosvMKe2d5g2kktyJKN9CSk8FDjjYaz1fKIU225r+VPsd316UdE9PTUo/kA/guW/?= =?utf-8?q?qqfFEnwyRCNn41HAhkI02j7ZcscWRh1FqJZCZ0EipRXb20q6gpk4uQWPSZH0IwsHB?= =?utf-8?q?GteIbnUieCVHvD8rtYT+J5cnKJmPKaWGDTsOORV09GxrNo2fVS2zlOdXYH4B+RKlm?= =?utf-8?q?9nfaQBMuLh6fznnR1N0tuoxVRrpqNz+ZtHvc9IlN/O7SALwvE1nqAx/P9PJ8L7VqP?= =?utf-8?q?A+rDqrSLhS5CJYXQlF8vfW2izZ/52ulMFg=3D=3D?= X-OriginatorOrg: cherry.de X-MS-Exchange-CrossTenant-Network-Message-Id: 80034f53-2024-4555-4fe9-08dc9f68dd92 X-MS-Exchange-CrossTenant-AuthSource: DU0PR04MB9562.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jul 2024 16:13:12.3105 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5e0e1b52-21b5-4e7b-83bb-514ec460677e X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: qQxXZU7xvwyI3BSDfDz8MSeVTJu9J7/QUQNz5149O+DE+XYsbGDMdMiDM3EChwi/hXfNFm85ZqX2scornan1fcKmzD6loLU9dwFFzLCJUiw= X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR04MB9055 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240708_091325_302653_E4BFE237 X-CRM114-Status: GOOD ( 11.76 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Theobroma Systems Mule is an MCU that emulates a set of I2C devices, among which is an amc6821 and other devices that are reachable through an I2C-mux. The devices on the mux can be selected by writing the appropriate device number to an I2C config register (amc6821: reg 0xff) Signed-off-by: Farouk Bouabid --- .../devicetree/bindings/i2c/tsd,mule.yaml | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/tsd,mule.yaml b/Documentation/devicetree/bindings/i2c/tsd,mule.yaml new file mode 100644 index 000000000000..dbbabba8dd6f --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/tsd,mule.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/tsd,mule.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Theobroma Systems Mule I2C device + +maintainers: + - Farouk Bouabid + - Quentin Schulz + +description: | + Theobroma Systems Mule is an MCU that emulates a set of I2C devices, among + which is an amc6821 and other devices that are reachable through an I2C-mux. + The devices on the mux can be selected by writing the appropriate device + number to an I2C config register (amc6821: reg 0xff) + +additionalProperties: true + +properties: + compatible: + contains: + enum: + - tsd,mule + - ti,amc6821 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + fan@18 { + compatible = "tsd,mule", "ti,amc6821"; + reg = <0x18>; + + i2c-mux { + compatible = "tsd,mule-i2c-mux"; + #address-cells = <1>; + #size-cells = <0>; + + i2c@0 { + reg = <0x0>; + #address-cells = <1>; + #size-cells = <0>; + + rtc@6f { + compatible = "isil,isl1208"; + reg = <0x6f>; + }; + }; + }; + }; + }; +...