sata_highbank.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/ata/sata_highbank.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Calxeda AHCI SATA Controller
    8 
    9 description: |
   10   The Calxeda SATA controller mostly conforms to the AHCI interface
   11   with some special extensions to add functionality, to map GPIOs for
   12   activity LEDs and for mapping the ComboPHYs.
   13 
   14 maintainers:
   15   - Andre Przywara <andre.przywara@arm.com>
   16 
   17 properties:
   18   compatible:
   19     const: calxeda,hb-ahci
   20 
   21   reg:
   22     maxItems: 1
   23 
   24   interrupts:
   25     maxItems: 1
   26 
   27   dma-coherent: true
   28 
   29   calxeda,pre-clocks:
   30     $ref: /schemas/types.yaml#/definitions/uint32
   31     description: |
   32       Indicates the number of additional clock cycles to transmit before
   33       sending an SGPIO pattern.
   34 
   35   calxeda,post-clocks:
   36     $ref: /schemas/types.yaml#/definitions/uint32
   37     description: |
   38       Indicates the number of additional clock cycles to transmit after
   39       sending an SGPIO pattern.
   40 
   41   calxeda,led-order:
   42     description: Maps port numbers to offsets within the SGPIO bitstream.
   43     $ref: /schemas/types.yaml#/definitions/uint32-array
   44     minItems: 1
   45     maxItems: 8
   46 
   47   calxeda,port-phys:
   48     description: |
   49       phandle-combophy and lane assignment, which maps each SATA port to a
   50       combophy and a lane within that combophy
   51     $ref: /schemas/types.yaml#/definitions/phandle-array
   52     minItems: 1
   53     maxItems: 8
   54     items:
   55       minItems: 2
   56       maxItems: 2
   57 
   58   calxeda,tx-atten:
   59     description: |
   60       Contains TX attenuation override codes, one per port.
   61       The upper 24 bits of each entry are always 0 and thus ignored.
   62     $ref: /schemas/types.yaml#/definitions/uint32-array
   63     minItems: 1
   64     maxItems: 8
   65 
   66   calxeda,sgpio-gpio:
   67     maxItems: 3
   68     description: |
   69       phandle-gpio bank, bit offset, and default on or off, which indicates
   70       that the driver supports SGPIO indicator lights using the indicated
   71       GPIOs.
   72 
   73 required:
   74   - compatible
   75   - reg
   76   - interrupts
   77 
   78 additionalProperties: false
   79 
   80 examples:
   81   - |
   82     sata@ffe08000 {
   83         compatible = "calxeda,hb-ahci";
   84         reg = <0xffe08000 0x1000>;
   85         interrupts = <115>;
   86         dma-coherent;
   87         calxeda,port-phys = <&combophy5 0>, <&combophy0 0>, <&combophy0 1>,
   88                              <&combophy0 2>, <&combophy0 3>;
   89         calxeda,sgpio-gpio =<&gpioh 5 1>, <&gpioh 6 1>, <&gpioh 7 1>;
   90         calxeda,led-order = <4 0 1 2 3>;
   91         calxeda,tx-atten = <0xff 22 0xff 0xff 23>;
   92         calxeda,pre-clocks = <10>;
   93         calxeda,post-clocks = <0>;
   94     };
   95 
   96 ...

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sys/contrib/device-tree/Bindings/ata/sata_highbank.yaml