raspberrypi,bcm2835-firmware.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/arm/bcm/raspberrypi,bcm2835-firmware.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Raspberry Pi VideoCore firmware driver
    8 
    9 maintainers:
   10   - Eric Anholt <eric@anholt.net>
   11   - Stefan Wahren <wahrenst@gmx.net>
   12 
   13 select:
   14   properties:
   15     compatible:
   16       contains:
   17         const: raspberrypi,bcm2835-firmware
   18 
   19   required:
   20     - compatible
   21 
   22 properties:
   23   compatible:
   24     items:
   25       - const: raspberrypi,bcm2835-firmware
   26       - const: simple-mfd
   27 
   28   mboxes:
   29     maxItems: 1
   30 
   31   clocks:
   32     type: object
   33 
   34     properties:
   35       compatible:
   36         const: raspberrypi,firmware-clocks
   37 
   38       "#clock-cells":
   39         const: 1
   40         description: >
   41           The argument is the ID of the clocks contained by the
   42           firmware messages.
   43 
   44     required:
   45       - compatible
   46       - "#clock-cells"
   47 
   48   reset:
   49     type: object
   50 
   51     properties:
   52       compatible:
   53         const: raspberrypi,firmware-reset
   54 
   55       "#reset-cells":
   56         const: 1
   57         description: >
   58           The argument is the ID of the firmware reset line to affect.
   59 
   60     required:
   61       - compatible
   62       - "#reset-cells"
   63 
   64   pwm:
   65     type: object
   66 
   67     properties:
   68       compatible:
   69         const: raspberrypi,firmware-poe-pwm
   70 
   71       "#pwm-cells":
   72         # See pwm.yaml in this directory for a description of the cells format.
   73         const: 2
   74 
   75     required:
   76       - compatible
   77       - "#pwm-cells"
   78 
   79     additionalProperties: false
   80 
   81 required:
   82   - compatible
   83   - mboxes
   84 
   85 additionalProperties: false
   86 
   87 examples:
   88   - |
   89     firmware {
   90         compatible = "raspberrypi,bcm2835-firmware", "simple-mfd";
   91         mboxes = <&mailbox>;
   92 
   93         firmware_clocks: clocks {
   94             compatible = "raspberrypi,firmware-clocks";
   95             #clock-cells = <1>;
   96         };
   97 
   98         reset: reset {
   99             compatible = "raspberrypi,firmware-reset";
  100             #reset-cells = <1>;
  101         };
  102 
  103         pwm: pwm {
  104             compatible = "raspberrypi,firmware-poe-pwm";
  105             #pwm-cells = <2>;
  106         };
  107     };
  108 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml