Documentation/devicetree/bindings/pci/ti,am65-pci-ep.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 # Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/pci/ti,am65-pci-ep.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: TI AM65 PCI Endpoint
   9
  10 maintainers:
  11   - Kishon Vijay Abraham I <kishon@ti.com>
  12
  13 allOf:
  14   - $ref: pci-ep.yaml#
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - ti,am654-pcie-ep
  20
  21   reg:
  22     maxItems: 4
  23
  24   reg-names:
  25     items:
  26       - const: app
  27       - const: dbics
  28       - const: addr_space
  29       - const: atu
  30
  31   power-domains:
  32     maxItems: 1
  33
  34   ti,syscon-pcie-mode:
  35     $ref: /schemas/types.yaml#/definitions/phandle-array
  36     items:
  37       - items:
  38           - description: Phandle to the SYSCON entry
  39           - description: pcie_ctrl register offset within SYSCON
  40     description: Phandle to the SYSCON entry required for configuring PCIe in RC or EP mode.
  41
  42   interrupts:
  43     minItems: 1
  44
  45   dma-coherent: true
  46
  47 required:
  48   - compatible
  49   - reg
  50   - reg-names
  51   - max-link-speed
  52   - power-domains
  53   - ti,syscon-pcie-mode
  54   - dma-coherent
  55
  56 unevaluatedProperties: false
  57
  58 examples:
  59   - |
  60     #include <dt-bindings/interrupt-controller/arm-gic.h>
  61     #include <dt-bindings/interrupt-controller/irq.h>
  62     #include <dt-bindings/soc/ti,sci_pm_domain.h>
  63
  64     pcie0_ep: pcie-ep@5500000 {
  65         compatible = "ti,am654-pcie-ep";
  66         reg =  <0x5500000 0x1000>,
  67                <0x5501000 0x1000>,
  68                <0x10000000 0x8000000>,
  69                <0x5506000 0x1000>;
  70         reg-names = "app", "dbics", "addr_space", "atu";
  71         power-domains = <&k3_pds 120 TI_SCI_PD_EXCLUSIVE>;
  72         ti,syscon-pcie-mode = <&scm_conf 0x4060>;
  73         max-link-speed = <2>;
  74         dma-coherent;
  75         interrupts = <GIC_SPI 340 IRQ_TYPE_EDGE_RISING>;
  76     };