Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpu/brcm,bcm-v3d.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom V3D GPU Bindings
   8
   9 maintainers:
  10   - Eric Anholt <eric@anholt.net>
  11   - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
  12
  13 properties:
  14   $nodename:
  15     pattern: '^gpu@[a-f0-9]+$'
  16
  17   compatible:
  18     enum:
  19       - brcm,7268-v3d
  20       - brcm,7278-v3d
  21
  22   reg:
  23     items:
  24       - description: hub register (required)
  25       - description: core0 register (required)
  26       - description: GCA cache controller register (if GCA controller present)
  27       - description: bridge register (if no external reset controller)
  28     minItems: 2
  29
  30   reg-names:
  31     items:
  32       - const: hub
  33       - const: core0
  34       - enum: [ bridge, gca ]
  35       - enum: [ bridge, gca ]
  36     minItems: 2
  37     maxItems: 4
  38
  39   interrupts:
  40     items:
  41       - description: hub interrupt (required)
  42       - description: core interrupts (if it doesn't share the hub's interrupt)
  43     minItems: 1
  44
  45   clocks:
  46     maxItems: 1
  47
  48   resets:
  49     maxItems: 1
  50
  51   power-domains:
  52     maxItems: 1
  53
  54 required:
  55   - compatible
  56   - reg
  57   - reg-names
  58   - interrupts
  59
  60 additionalProperties: false
  61
  62 examples:
  63   - |
  64     gpu@f1200000 {
  65       compatible = "brcm,7268-v3d";
  66       reg = <0xf1200000 0x4000>,
  67             <0xf1208000 0x4000>,
  68             <0xf1204000 0x100>,
  69             <0xf1204100 0x100>;
  70       reg-names = "hub", "core0", "bridge", "gca";
  71       interrupts = <0 78 4>,
  72                    <0 77 4>;
  73     };
  74
  75 ...