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 7title: ARM RealView Boards Device Tree Bindings 8 9maintainers: 10 - Linus Walleij <linus.walleij@linaro.org> 11 12description: |+ 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 17properties: 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 119required: 120 - compatible 121 - soc 122 123... 124