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(unknown [172.16.64.208]) by smtprelay.cixcomputing.com (Postfix) with ESMTPSA id 52D9741604E6; Mon, 1 Sep 2025 17:21:05 +0800 (CST) From: hans.zhang@cixtech.com To: bhelgaas@google.com, 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 v9 09/14] dt-bindings: PCI: Add CIX Sky1 PCIe Root Complex bindings Date: Mon, 1 Sep 2025 17:20:47 +0800 Message-ID: <20250901092052.4051018-10-hans.zhang@cixtech.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250901092052.4051018-1-hans.zhang@cixtech.com> References: <20250901092052.4051018-1-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: TY2PEPF0000AB86:EE_|TYZPR06MB5783:EE_ X-MS-Office365-Filtering-Correlation-Id: 07cd1626-098d-4ecd-7937-08dde938e31b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?2N06kSuQJ/x7Jva6SEWzj4/A0zRZr2/1EQnCJDW0RhJT4fqWNgSHYh0u6b6W?= =?us-ascii?Q?NAOYcwvNFyxmRFUarlBdAoN0CB43Z9ApLW9g+VXDei9F3iUK/7fOswl1OtgC?= =?us-ascii?Q?I0veSV2c9V/qnz6bxISUFOIPQWq32pMiVp5GZp2gD2LHZsW8Otuwj3C02TOb?= =?us-ascii?Q?9vIsQwRaB03FkTgBjjSa9BJsQSgS5azfkgghuJL1KOlhCdTS2xN/fzyY/ouu?= =?us-ascii?Q?8yhLGCPCIyXebNgCgBV5B4DKjXeGVtrJwmcdjkhIYf3b/j0iXbjRt+gXTT/K?= =?us-ascii?Q?+TZ36/pKhil1m2pFkI7sllzCC4M6erpjE5dcs1xC/js+a7VQG4uhA2qnKzrX?= =?us-ascii?Q?57VgP+kszrLXi/pimY4jNf0QZdhusKo6djW3RgLSdMPpbzfgiOI4A/8zyHrG?= =?us-ascii?Q?XmNB0NK5i41qYj3+zA5fkPL28UJ712j4SlS2os5EXQLFfnA7rwlR94J03q0E?= =?us-ascii?Q?cyll0lqGWgjK0L81fqjOwNe/O8A4fcy50HVQj6PHhXMbUl0yUB67mTFQgM6H?= =?us-ascii?Q?qIBOgOLql82PJxs3TC+tcEw25Uvmwl6/VqDVxFD32bUyG41YRGi3XmxWDSnx?= =?us-ascii?Q?7SaI0tt5zdx/1+C0Rzl/3nE+a1xGcyWr35GtQns0LuLyTPq1f6SJkEFINeyD?= =?us-ascii?Q?KuDj5OE3nY5wj/+vo1SqQlxxZS/OIDKNAB1tofEOW+F40DgUL+MrGgFor7Fv?= =?us-ascii?Q?+A/vRJ2m1PTsE6ukQ767CnN/cHXIwdntUcJkdxlujrKK1oDMzoIa/ihjUwQq?= =?us-ascii?Q?vBkA1tvndxn7KBiz2sU/kc9N6Z5smI4seot+IYfB1vqTFhYidZcSohd95L/R?= =?us-ascii?Q?8hN+mPJSfVqDNw4dVyznLXBEjwTcd3gQ04cPTuiUiReCKXXzxw0XU/3J9GKt?= =?us-ascii?Q?wJJFC5rIbBwN0p0U3/uwpRuzyWXHD9px62ISvEl47FBH6lfWJF6t3fcW6DAi?= =?us-ascii?Q?VWXgxp59Q5UWtp6Em8oqn+4+UqV0cPV0J7+kkuttpGCj9T7yZo5tMfuskz33?= =?us-ascii?Q?hHg2yMeL0MfoiiShS1zEsMrBwlk1zbi8/a2TcMDlHkFjjE6g6NBTMkmuMLbp?= =?us-ascii?Q?0T3G+1Qz8oPz38gMSxDxTcZkZBMCgbDloo4BwoyPcaME2XpePncnzLISwlEz?= =?us-ascii?Q?vG1HMM15QLx1yqA3emMmQDBfh1iqK3VTCaZXM8R7fsy+AetoXp/mWlqE3SQ8?= =?us-ascii?Q?fKGMATqnI5xqj6jnL+D8bnpaESuoR4WA9Wn4VrDfQ/YmqAumTfxewMbtlMbK?= =?us-ascii?Q?snn/SY0H9P9Fb+iq6XV5wRWD2YTtmEh+S5sMGz/N8nkJb0JxfZ12N7zxTphV?= =?us-ascii?Q?ykTEQ7Z2DXBi1es+qk548yZ/JoUfznc88O9wZTrXyGBbbgxLFeLX3CnIYVZf?= =?us-ascii?Q?a8GnHFFadYAk1AuG2yQtiych22sMIKLnnHFeIa6XLHVPpJOmcWRNXDzLXp/u?= =?us-ascii?Q?3FxtdU/NKjl6jLBrHDHmHgzawMtKdQWYEEdlVhrnP928w7Q0v4iasg=3D=3D?= 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)(7416014)(1800799024)(376014)(36860700013)(82310400026);DIR:OUT;SFP:1102; X-OriginatorOrg: cixtech.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Sep 2025 09:21:09.1674 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 07cd1626-098d-4ecd-7937-08dde938e31b 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: TY2PEPF0000AB86.apcprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB5783 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