intel,keembay-pcie.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: "http://devicetree.org/schemas/pci/intel,keembay-pcie.yaml#"
    5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    6 
    7 title: Intel Keem Bay PCIe controller Root Complex mode
    8 
    9 maintainers:
   10   - Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
   11   - Srikanth Thokala <srikanth.thokala@intel.com>
   12 
   13 allOf:
   14   - $ref: /schemas/pci/pci-bus.yaml#
   15 
   16 properties:
   17   compatible:
   18     const: intel,keembay-pcie
   19 
   20   ranges:
   21     maxItems: 1
   22 
   23   reset-gpios:
   24     maxItems: 1
   25 
   26   reg:
   27     maxItems: 4
   28 
   29   reg-names:
   30     items:
   31       - const: dbi
   32       - const: atu
   33       - const: config
   34       - const: apb
   35 
   36   clocks:
   37     maxItems: 2
   38 
   39   clock-names:
   40     items:
   41       - const: master
   42       - const: aux
   43 
   44   interrupts:
   45     maxItems: 3
   46 
   47   interrupt-names:
   48     items:
   49       - const: pcie
   50       - const: pcie_ev
   51       - const: pcie_err
   52 
   53   num-lanes:
   54     description: Number of lanes to use.
   55     enum: [ 1, 2 ]
   56 
   57 required:
   58   - compatible
   59   - reg
   60   - reg-names
   61   - ranges
   62   - clocks
   63   - clock-names
   64   - interrupts
   65   - interrupt-names
   66   - reset-gpios
   67 
   68 unevaluatedProperties: false
   69 
   70 examples:
   71   - |
   72     #include <dt-bindings/interrupt-controller/arm-gic.h>
   73     #include <dt-bindings/interrupt-controller/irq.h>
   74     #include <dt-bindings/gpio/gpio.h>
   75     #define KEEM_BAY_A53_PCIE
   76     #define KEEM_BAY_A53_AUX_PCIE
   77     pcie@37000000 {
   78           compatible = "intel,keembay-pcie";
   79           reg = <0x37000000 0x00001000>,
   80                 <0x37300000 0x00001000>,
   81                 <0x36e00000 0x00200000>,
   82                 <0x37800000 0x00000200>;
   83           reg-names = "dbi", "atu", "config", "apb";
   84           #address-cells = <3>;
   85           #size-cells = <2>;
   86           device_type = "pci";
   87           ranges = <0x02000000 0 0x36000000 0x36000000 0 0x00e00000>;
   88           interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>,
   89                        <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>,
   90                        <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
   91           interrupt-names = "pcie", "pcie_ev", "pcie_err";
   92           clocks = <&scmi_clk KEEM_BAY_A53_PCIE>,
   93                    <&scmi_clk KEEM_BAY_A53_AUX_PCIE>;
   94           clock-names = "master", "aux";
   95           reset-gpios = <&pca2 9 GPIO_ACTIVE_LOW>;
   96           num-lanes = <2>;
   97     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pci/intel,keembay-pcie.yaml

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sys/contrib/device-tree/Bindings/pci/intel,keembay-pcie.yaml