0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 # Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
0003 %YAML 1.2
0004 ---
0005 $id: http://devicetree.org/schemas/pci/ti,am65-pci-host.yaml#
0006 $schema: http://devicetree.org/meta-schemas/core.yaml#
0007
0008 title: TI AM65 PCI Host
0009
0010 maintainers:
0011 - Kishon Vijay Abraham I <kishon@ti.com>
0012
0013 allOf:
0014 - $ref: /schemas/pci/pci-bus.yaml#
0015
0016 properties:
0017 compatible:
0018 enum:
0019 - ti,am654-pcie-rc
0020 - ti,keystone-pcie
0021
0022 reg:
0023 maxItems: 4
0024
0025 reg-names:
0026 items:
0027 - const: app
0028 - const: dbics
0029 - const: config
0030 - const: atu
0031
0032 interrupts:
0033 maxItems: 1
0034
0035 power-domains:
0036 maxItems: 1
0037
0038 ti,syscon-pcie-id:
0039 $ref: /schemas/types.yaml#/definitions/phandle-array
0040 items:
0041 - items:
0042 - description: Phandle to the SYSCON entry
0043 - description: pcie_device_id register offset within SYSCON
0044 description: Phandle to the SYSCON entry required for getting PCIe device/vendor ID
0045
0046 ti,syscon-pcie-mode:
0047 $ref: /schemas/types.yaml#/definitions/phandle-array
0048 items:
0049 - items:
0050 - description: Phandle to the SYSCON entry
0051 - description: pcie_ctrl register offset within SYSCON
0052 description: Phandle to the SYSCON entry required for configuring PCIe in RC or EP mode.
0053
0054 msi-map: true
0055
0056 dma-coherent: true
0057
0058 required:
0059 - compatible
0060 - reg
0061 - reg-names
0062 - max-link-speed
0063 - ti,syscon-pcie-id
0064 - ti,syscon-pcie-mode
0065 - ranges
0066
0067 if:
0068 properties:
0069 compatible:
0070 enum:
0071 - ti,am654-pcie-rc
0072 then:
0073 required:
0074 - dma-coherent
0075 - power-domains
0076 - msi-map
0077
0078 unevaluatedProperties: false
0079
0080 examples:
0081 - |
0082 #include <dt-bindings/interrupt-controller/arm-gic.h>
0083 #include <dt-bindings/interrupt-controller/irq.h>
0084 #include <dt-bindings/soc/ti,sci_pm_domain.h>
0085
0086 pcie0_rc: pcie@5500000 {
0087 compatible = "ti,am654-pcie-rc";
0088 reg = <0x5500000 0x1000>,
0089 <0x5501000 0x1000>,
0090 <0x10000000 0x2000>,
0091 <0x5506000 0x1000>;
0092 reg-names = "app", "dbics", "config", "atu";
0093 power-domains = <&k3_pds 120 TI_SCI_PD_EXCLUSIVE>;
0094 #address-cells = <3>;
0095 #size-cells = <2>;
0096 ranges = <0x81000000 0 0 0x10020000 0 0x00010000>,
0097 <0x82000000 0 0x10030000 0x10030000 0 0x07FD0000>;
0098 ti,syscon-pcie-id = <&scm_conf 0x0210>;
0099 ti,syscon-pcie-mode = <&scm_conf 0x4060>;
0100 bus-range = <0x0 0xff>;
0101 max-link-speed = <2>;
0102 dma-coherent;
0103 interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>;
0104 msi-map = <0x0 &gic_its 0x0 0x10000>;
0105 device_type = "pci";
0106 };
