From nobody Mon Feb 9 03:11:59 2026 Received: from TYDPR03CU002.outbound.protection.outlook.com (mail-japaneastazon11023133.outbound.protection.outlook.com [52.101.127.133]) (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 E07FB2BE636; Mon, 20 Oct 2025 04:29:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.127.133 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760934548; cv=fail; b=GZACWS1lyX5Op8XvaGVbcJo/I5U5GNsOVxae2r6Dyle5PYxY7+5dIZcDC9Ivg2JrJKfOOs8QZfLyBPtIGSiXaAz+YQXfv+iz/Gj+fOSNbGwELrNIUJ5EaudCL1L05Ql1EJqqPgXOowMZoPf8LhJesdaXGIAHBDr2Uq/48wTWUkQ= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760934548; c=relaxed/simple; bh=kkkSztwjkWzHvNvHa8cZjDFHKf38e6sJJt9sJWcCEFk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oqmiclAaBkG94peBDZh9OQSKhyH7fLhhjzYNJvghpSIzcbam+wQDuET47bMrlks9qcmcoLvX8B7qY9gOh5oS0k+y4jJFz+L9dAt7g3eQbG8t1Obf4BEeM8ENAESXrHaZIVzG0BcSoVX8OSG2UfSka0w6buc9RHwiiNPZ5Diyglo= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cixtech.com; spf=pass smtp.mailfrom=cixtech.com; arc=fail smtp.client-ip=52.101.127.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=cixtech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cixtech.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=XXOcgSvnZYBauho+bQZGlcZAl3xz+O1Sak1RqKPZrA/osYW7nfiCGbYh1HE99r3hdhzj6+IEiptPelZXsoSJCbLlEeQJgM6RzPZcUYlWIOP67VwcwOUYq2oYLk/6XJlqpsiZN9dwUQiFgTG4xVTcGsBx97hiZAMnuz67ByGDUhYsu3qag/X9DEn7RlCLngCtQDffb7JLJpoMX0JNj8iNFt18rR6sjjfldicZj4csTAsa0qblK6M+FlBmxh9k0bv5y5C0M8V60rmr44oX1pTx6dUS1IcyXwPpJXO3YJDcFFr2sUD2umpCtrcjTHXQgLUDpprk3+x3wkqdtCLSHClqkw== 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=JB39FNr7E8ZDx2fRTsrnz/r0DpHC8LZ/b7gDjjDvJZY=; b=lLgS4kx4Fai9uBC7DsNWJyVt4z1qeR/UBkAqGUbyBFdbl0K9zHMbxzZsuAyTsZpZ9P2JeV5qbhP5pOClT+Ljl09u4m7CPhWatDqSKhXCPSQvYv45Mv5k6MIea9+0WBW+DgD0Qg3Racurz/q4tw6KZPqtliyjHkww7w49DN1MXoDgjgpSiwlfaDxKszle1NkeR7P/s33TeUh8UBU2n8/qYEdCnCyLlTTcDbsr6rFoQmcr8z5urfcqRxQPXFVvFq76mIRYIEgPZoEn7EwP/LKIxxEYlgwXR31pu8/65pAOkTaOvpn7P9zrOamWhhebB2fdI3e4IjXKuhKipAtFGhXhoQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 222.71.101.198) smtp.rcpttodomain=cadence.com smtp.mailfrom=cixtech.com; dmarc=bestguesspass action=none header.from=cixtech.com; dkim=none (message not signed); arc=none (0) Received: from TYCPR01CA0161.jpnprd01.prod.outlook.com (2603:1096:400:2b1::11) by TYZPR06MB6281.apcprd06.prod.outlook.com (2603:1096:400:425::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9228.16; Mon, 20 Oct 2025 04:29:03 +0000 Received: from TY2PEPF0000AB83.apcprd03.prod.outlook.com (2603:1096:400:2b1:cafe::57) by TYCPR01CA0161.outlook.office365.com (2603:1096:400:2b1::11) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9228.16 via Frontend Transport; Mon, 20 Oct 2025 04:29:02 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 222.71.101.198) smtp.mailfrom=cixtech.com; dkim=none (message not signed) header.d=none;dmarc=bestguesspass action=none header.from=cixtech.com; Received-SPF: Pass (protection.outlook.com: domain of cixtech.com designates 222.71.101.198 as permitted sender) receiver=protection.outlook.com; client-ip=222.71.101.198; helo=smtprelay.cixcomputing.com; pr=C Received: from smtprelay.cixcomputing.com (222.71.101.198) by TY2PEPF0000AB83.mail.protection.outlook.com (10.167.253.4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9253.7 via Frontend Transport; Mon, 20 Oct 2025 04:29:01 +0000 Received: from hans.. (unknown [172.16.64.208]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 045EE40A5BFE; Mon, 20 Oct 2025 12:28:58 +0800 (CST) From: hans.zhang@cixtech.com To: bhelgaas@google.com, helgaas@kernel.org, lpieralisi@kernel.org, kw@linux.com, mani@kernel.org, robh@kernel.org, kwilczynski@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: mpillai@cadence.com, fugang.duan@cixtech.com, guoyin.chen@cixtech.com, peter.chen@cixtech.com, cix-kernel-upstream@cixtech.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Hans Zhang , Krzysztof Kozlowski Subject: [PATCH v10 05/10] dt-bindings: PCI: Add CIX Sky1 PCIe Root Complex bindings Date: Mon, 20 Oct 2025 12:28:52 +0800 Message-ID: <20251020042857.706786-6-hans.zhang@cixtech.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251020042857.706786-1-hans.zhang@cixtech.com> References: <20251020042857.706786-1-hans.zhang@cixtech.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TY2PEPF0000AB83:EE_|TYZPR06MB6281:EE_ X-MS-Office365-Filtering-Correlation-Id: 084ed7a8-e087-4605-6082-08de0f9131f4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|82310400026|36860700013; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?/9jxUnANRV5mu40iCzQk33oIEpRfltVM6IWx5xK+n9znAwr0Ga280M+x/iPt?= =?us-ascii?Q?qeNUVrWJO9YABzmJpDBxLTlDWzdGATH+qVYCqytd26bPX1bTeFugMp85jg9a?= =?us-ascii?Q?raPsKjpcnxZquvFpWJSvWJok4bhhMc8gGi/Q+XMWVUFGj44yw+VsPdikfMEL?= =?us-ascii?Q?1jQEzhdHOiBQiJDqD4Yocwc4kx9Psoa8k62rbhJRZ4n/kD/IbW7P/E6kYy0b?= =?us-ascii?Q?8rpaHCjTvjMC4RoRW5V6XFGMur60hOhXl10ZOmZ2O9wc51ddu9H12rN+9AXE?= =?us-ascii?Q?tg5QqGPbQyArVJDYGg2e9+IBJVJX8KkjvCxC+23r/K1fXBo1i44ZLOphBP1w?= =?us-ascii?Q?TvbM83EzeHF8nO7VydTX1joJ49p4Dqybr2nO4YA9iANwB6ZOlEo1V46pOI0h?= =?us-ascii?Q?fSEa3cYx8Htm3YZZWuT4rT3bNdFY6Laa8aXbPI9eawhe2v6kQLSdUf2uOvRT?= =?us-ascii?Q?D7cOd//oWsYM9DQrtmh3bZAtuYbUGl0KRNrl0xKkyY6f7V2s8hh9Fk76TMuj?= =?us-ascii?Q?oUadRfXp/BAlu2VD1LI0a7W6/sojWBON1RJTmcwZahkRaJdLCYgC5z85IS09?= =?us-ascii?Q?TTpdvmxRLp8lvslxD3boZNZ+2Ot1VY29NbUGYZw1FujAC/7602qTf3QhkTsI?= =?us-ascii?Q?9rqTRnRoL85XuzdH+vuju5n9b8ve/aQi++7KIeR+a3bA0cOF/jMHO7lY/xrb?= =?us-ascii?Q?uW1bT+iKvTxSS/VhN7qZc7NT4jx4ietYSyxpOAjPpSBsm35WNqWb4PpZwzLH?= =?us-ascii?Q?p6XCkxsiktEb/RlL8ROO58MzMXi0ngJKfKOlzBJqbgJJmaM2J6DJ2YIG6/1c?= =?us-ascii?Q?W2XNo5H8VH/ojfsVekRzh5I270ruM1ezCslZcs9REFUeFl566c45VBnAsf2C?= =?us-ascii?Q?oKIw8BHoPoTbTcb8DWdCWpyQ6MnKHOxpzExQzMGlCQuLWseLnWPkPnY0PR/d?= =?us-ascii?Q?uqkTmhpiMRYXbtByxK+fInQ5Zh35q7zTBoBUHAQAKAe4K7ok9DlUBZJIYSeX?= =?us-ascii?Q?c/yxIZ07kmB3qRw8SUlAA8pjaIJsXBTuSnaNli45fsfSYNr+FWjw5/AFv/xS?= =?us-ascii?Q?6Z7jtPkwK3aFExdVKwcosQERC0gpT7WR8eL2OfBOWu6OhGuwbIBg89D+gqE5?= =?us-ascii?Q?eS4Vrq4TT+w2zEctHZ4verNTZwl8vMjxYg2pSD3td1MjxUaQSLdIzXENc83j?= =?us-ascii?Q?UgCj8H0y/v6wyW0e1Vollj2kc9r5cfioDaJLc3XOvrxh1u98HzZ6h+IVcb8M?= =?us-ascii?Q?Vr7cZNwsIqgwvYEKp4Ag71QJW+QridkThnbu2KuNxSSQBOTfB5fYTx0WSCLD?= =?us-ascii?Q?J0QttyPw6qA7q8Q+b2OlkzQoOQZMUg74uwhPNAvVoej2hXPrna2KuNTDw1Ih?= =?us-ascii?Q?w5CJRu0+GlXtdZi1hPvCFRNuq0eq7NHN/HkvlKkRPx64WfzgFWsvyL8NaCTs?= =?us-ascii?Q?l0+9MDsQM6EEOsJeW15YAyzoAYnr8qkfyMUAcjRGdr5sfDRao89eHCebmQdS?= =?us-ascii?Q?du0hwUAgmTjUmeqTp5/CwGQXwqwZhDFM52ZE?= X-Forefront-Antispam-Report: CIP:222.71.101.198;CTRY:CN;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:smtprelay.cixcomputing.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(7416014)(1800799024)(82310400026)(36860700013);DIR:OUT;SFP:1102; X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Oct 2025 04:29:01.3367 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 084ed7a8-e087-4605-6082-08de0f9131f4 X-MS-Exchange-CrossTenant-Id: 0409f77a-e53d-4d23-943e-ccade7cb4811 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0409f77a-e53d-4d23-943e-ccade7cb4811;Ip=[222.71.101.198];Helo=[smtprelay.cixcomputing.com] X-MS-Exchange-CrossTenant-AuthSource: TY2PEPF0000AB83.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB6281 Content-Type: text/plain; charset="utf-8" From: Hans Zhang Document the bindings for CIX Sky1 PCIe Controller configured in root complex mode with five root port. Supports 4 INTx, MSI and MSI-x interrupts from the ARM GICv3 controller. Signed-off-by: Hans Zhang Reviewed-by: Krzysztof Kozlowski --- .../bindings/pci/cix,sky1-pcie-host.yaml | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/cix,sky1-pcie-hos= t.yaml diff --git a/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml = b/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml new file mode 100644 index 000000000000..b910a42e0843 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/cix,sky1-pcie-host.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/cix,sky1-pcie-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CIX Sky1 PCIe Root Complex + +maintainers: + - Hans Zhang + +description: + PCIe root complex controller based on the Cadence PCIe core. + +allOf: + - $ref: /schemas/pci/pci-host-bridge.yaml# + +properties: + compatible: + const: cix,sky1-pcie-host + + reg: + items: + - description: PCIe controller registers. + - description: ECAM registers. + - description: Remote CIX System Unit strap registers. + - description: Remote CIX System Unit status registers. + - description: Region for sending messages registers. + + reg-names: + items: + - const: reg + - const: cfg + - const: rcsu_strap + - const: rcsu_status + - const: msg + + ranges: + maxItems: 3 + +required: + - compatible + - ranges + - bus-range + - device_type + - interrupt-map + - interrupt-map-mask + - msi-map + +unevaluatedProperties: false + +examples: + - | + #include + + soc { + #address-cells =3D <2>; + #size-cells =3D <2>; + + pcie@a010000 { + compatible =3D "cix,sky1-pcie-host"; + reg =3D <0x00 0x0a010000 0x00 0x10000>, + <0x00 0x2c000000 0x00 0x4000000>, + <0x00 0x0a000300 0x00 0x100>, + <0x00 0x0a000400 0x00 0x100>, + <0x00 0x60000000 0x00 0x00100000>; + reg-names =3D "reg", "cfg", "rcsu_strap", "rcsu_status", "msg"; + ranges =3D <0x01000000 0x00 0x60100000 0x00 0x60100000 0x00 0x= 00100000>, + <0x02000000 0x00 0x60200000 0x00 0x60200000 0x00 0x1f= e00000>, + <0x43000000 0x18 0x00000000 0x18 0x00000000 0x04 0x00= 000000>; + #address-cells =3D <3>; + #size-cells =3D <2>; + bus-range =3D <0xc0 0xff>; + device_type =3D "pci"; + #interrupt-cells =3D <1>; + interrupt-map-mask =3D <0 0 0 0x7>; + interrupt-map =3D <0 0 0 1 &gic 0 0 GIC_SPI 407 IRQ_TYPE_LEVEL= _HIGH 0>, + <0 0 0 2 &gic 0 0 GIC_SPI 408 IRQ_TYPE_LEVEL_H= IGH 0>, + <0 0 0 3 &gic 0 0 GIC_SPI 409 IRQ_TYPE_LEVEL_H= IGH 0>, + <0 0 0 4 &gic 0 0 GIC_SPI 410 IRQ_TYPE_LEVEL_H= IGH 0>; + msi-map =3D <0xc000 &gic_its 0xc000 0x4000>; + }; + }; --=20 2.49.0