FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/spi-xilinx.yaml

     # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/spi/spi-xilinx.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Xilinx SPI controller Device Tree Bindings
     
     maintainers:
      - Michal Simek <michal.simek@xilinx.com>
    
    allOf:
      - $ref: "spi-controller.yaml#"
    
    properties:
      compatible:
        enum:
          - xlnx,xps-spi-2.00.a
          - xlnx,xps-spi-2.00.b
          - xlnx,axi-quad-spi-1.00.a
    
      reg:
        maxItems: 1
    
      interrupts:
        maxItems: 1
    
      xlnx,num-ss-bits:
        description: Number of chip selects used.
        minimum: 1
        maximum: 32
    
      xlnx,num-transfer-bits:
        description: Number of bits per transfer. This will be 8 if not specified.
        enum: [8, 16, 32]
        default: 8
    
    required:
      - compatible
      - reg
      - interrupts
    
    unevaluatedProperties: false
    
    examples:
      - |
        spi0: spi@41e00000 {
          compatible = "xlnx,xps-spi-2.00.a";
          interrupt-parent = <&intc>;
          interrupts = <0 31 1>;
          reg = <0x41e00000 0x10000>;
          xlnx,num-ss-bits = <0x1>;
          xlnx,num-transfer-bits = <32>;
        };
    ...

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