samsung,exynos-pcie.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pci/samsung,exynos-pcie.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung SoC series PCIe Host Controller Device Tree Bindings
    8 
    9 maintainers:
   10   - Marek Szyprowski <m.szyprowski@samsung.com>
   11   - Jaehoon Chung <jh80.chung@samsung.com>
   12 
   13 description: |+
   14   Exynos5433 SoC PCIe host controller is based on the Synopsys DesignWare
   15   PCIe IP and thus inherits all the common properties defined in
   16   snps,dw-pcie.yaml.
   17 
   18 allOf:
   19   - $ref: /schemas/pci/snps,dw-pcie.yaml#
   20 
   21 properties:
   22   compatible:
   23     const: samsung,exynos5433-pcie
   24 
   25   reg:
   26     items:
   27       - description: Data Bus Interface (DBI) registers.
   28       - description: External Local Bus interface (ELBI) registers.
   29       - description: PCIe configuration space region.
   30 
   31   reg-names:
   32     items:
   33       - const: dbi
   34       - const: elbi
   35       - const: config
   36 
   37   interrupts:
   38     maxItems: 1
   39 
   40   clocks:
   41     items:
   42       - description: PCIe bridge clock
   43       - description: PCIe bus clock
   44 
   45   clock-names:
   46     items:
   47       - const: pcie
   48       - const: pcie_bus
   49 
   50   phys:
   51     maxItems: 1
   52 
   53   vdd10-supply:
   54     description:
   55       Phandle to a regulator that provides 1.0V power to the PCIe block.
   56 
   57   vdd18-supply:
   58     description:
   59       Phandle to a regulator that provides 1.8V power to the PCIe block.
   60 
   61   num-lanes:
   62     const: 1
   63 
   64   num-viewport:
   65     const: 3
   66 
   67 required:
   68   - reg
   69   - reg-names
   70   - interrupts
   71   - "#address-cells"
   72   - "#size-cells"
   73   - "#interrupt-cells"
   74   - interrupt-map
   75   - interrupt-map-mask
   76   - ranges
   77   - bus-range
   78   - device_type
   79   - num-lanes
   80   - num-viewport
   81   - clocks
   82   - clock-names
   83   - phys
   84   - vdd10-supply
   85   - vdd18-supply
   86 
   87 unevaluatedProperties: false
   88 
   89 examples:
   90   - |
   91     #include <dt-bindings/interrupt-controller/irq.h>
   92     #include <dt-bindings/interrupt-controller/arm-gic.h>
   93     #include <dt-bindings/clock/exynos5433.h>
   94 
   95     pcie: pcie@15700000 {
   96         compatible = "samsung,exynos5433-pcie";
   97         reg = <0x15700000 0x1000>, <0x156b0000 0x1000>, <0x0c000000 0x1000>;
   98         reg-names = "dbi", "elbi", "config";
   99         #address-cells = <3>;
  100         #size-cells = <2>;
  101         #interrupt-cells = <1>;
  102         device_type = "pci";
  103         interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
  104         clocks = <&cmu_fsys CLK_PCIE>, <&cmu_fsys CLK_PCLK_PCIE_PHY>;
  105         clock-names = "pcie", "pcie_bus";
  106         phys = <&pcie_phy>;
  107         pinctrl-0 = <&pcie_bus &pcie_wlanen>;
  108         pinctrl-names = "default";
  109         num-lanes = <1>;
  110         num-viewport = <3>;
  111         bus-range = <0x00 0xff>;
  112         ranges = <0x81000000 0 0          0x0c001000 0 0x00010000>,
  113                  <0x82000000 0 0x0c011000 0x0c011000 0 0x03feefff>;
  114         vdd10-supply = <&ldo6_reg>;
  115         vdd18-supply = <&ldo7_reg>;
  116         interrupt-map-mask = <0 0 0 0>;
  117         interrupt-map = <0 0 0 0 &gic GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
  118     };
  119 ...

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

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sys/contrib/device-tree/Bindings/pci/samsung,exynos-pcie.yaml