Documentation/devicetree/bindings/arm/arm,realview.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/arm/arm,realview.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: ARM RealView Boards Device Tree Bindings
   8
   9 maintainers:
  10   - Linus Walleij <linus.walleij@linaro.org>
  11
  12 description: |+
  13   The ARM RealView series of reference designs were built to explore the ARM
  14   11, Cortex A-8 and Cortex A-9 CPUs. This included new features compared to
  15   the earlier CPUs such as TrustZone and multicore (MPCore).
  16
  17 properties:
  18   $nodename:
  19     const: '/'
  20   compatible:
  21     oneOf:
  22       - description: ARM RealView Emulation Baseboard (HBI-0140) was created
  23           as a generic platform to test different FPGA designs, and has
  24           pluggable CPU modules, see ARM DUI 0303E.
  25         items:
  26           - const: arm,realview-eb
  27       - description: ARM RealView Platform Baseboard for ARM1176JZF-S
  28           (HBI-0147) was created as a development board to test ARM TrustZone,
  29           CoreSight and Intelligent Energy Management (IEM) see ARM DUI 0425F.
  30         items:
  31           - const: arm,realview-pb1176
  32       - description: ARM RealView Platform Baseboard for ARM 11 MPCore
  33           (HBI-0159, HBI-0175 and HBI-0176) was created to showcase
  34           multiprocessing with ARM11 using MPCore using symmetric
  35           multiprocessing (SMP). See ARM DUI 0351E.
  36         items:
  37           - const: arm,realview-pb11mp
  38       - description: ARM RealView Platform Baseboard for Cortex-A8 (HBI-0178,
  39           HBI-0176 and HBI-0175) was the first reference platform for the
  40           Cortex CPU family, including a Cortex-A8 test chip.
  41         items:
  42           - const: arm,realview-pba8
  43       - description: ARM RealView Platform Baseboard Explore for Cortex-A9
  44           (HBI-0182 and HBI-0183) was the reference platform for the Cortex-A9
  45           CPU.
  46         items:
  47           - const: arm,realview-pbx
  48
  49   soc:
  50     description: All RealView boards must provide a soc node in the root of the
  51       device tree, representing the System-on-Chip since these test chips are
  52       rather complex.
  53     type: object
  54     properties:
  55       compatible:
  56         oneOf:
  57           - items:
  58               - const: arm,realview-eb-soc
  59               - const: simple-bus
  60           - items:
  61               - const: arm,realview-pb1176-soc
  62               - const: simple-bus
  63           - items:
  64               - const: arm,realview-pb11mp-soc
  65               - const: simple-bus
  66           - items:
  67               - const: arm,realview-pba8-soc
  68               - const: simple-bus
  69           - items:
  70               - const: arm,realview-pbx-soc
  71               - const: simple-bus
  72
  73     patternProperties:
  74       "^.*syscon@[0-9a-f]+$":
  75         type: object
  76         description: All RealView boards must provide a syscon system controller
  77           node inside the soc node.
  78         properties:
  79           compatible:
  80             oneOf:
  81               - items:
  82                   - const: arm,realview-eb11mp-revb-syscon
  83                   - const: arm,realview-eb-syscon
  84                   - const: syscon
  85                   - const: simple-mfd
  86               - items:
  87                   - const: arm,realview-eb11mp-revc-syscon
  88                   - const: arm,realview-eb-syscon
  89                   - const: syscon
  90                   - const: simple-mfd
  91               - items:
  92                   - const: arm,realview-eb-syscon
  93                   - const: syscon
  94                   - const: simple-mfd
  95               - items:
  96                   - const: arm,realview-pb1176-syscon
  97                   - const: syscon
  98                   - const: simple-mfd
  99               - items:
 100                   - const: arm,realview-pb11mp-syscon
 101                   - const: syscon
 102                   - const: simple-mfd
 103               - items:
 104                   - const: arm,realview-pba8-syscon
 105                   - const: syscon
 106                   - const: simple-mfd
 107               - items:
 108                   - const: arm,realview-pbx-syscon
 109                   - const: syscon
 110                   - const: simple-mfd
 111
 112         required:
 113           - compatible
 114           - reg
 115
 116     required:
 117       - compatible
 118
 119 required:
 120   - compatible
 121   - soc
 122
 123 additionalProperties: true
 124
 125 ...