# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/arm/arm,realview.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: ARM RealView Boards Device Tree Bindings maintainers: - Linus Walleij description: |+ The ARM RealView series of reference designs were built to explore the ARM 11, Cortex A-8 and Cortex A-9 CPUs. This included new features compared to the earlier CPUs such as TrustZone and multicore (MPCore). properties: $nodename: const: '/' compatible: oneOf: - description: ARM RealView Emulation Baseboard (HBI-0140) was created as a generic platform to test different FPGA designs, and has pluggable CPU modules, see ARM DUI 0303E. items: - const: arm,realview-eb - description: ARM RealView Platform Baseboard for ARM1176JZF-S (HBI-0147) was created as a development board to test ARM TrustZone, CoreSight and Intelligent Energy Management (IEM) see ARM DUI 0425F. items: - const: arm,realview-pb1176 - description: ARM RealView Platform Baseboard for ARM 11 MPCore (HBI-0159, HBI-0175 and HBI-0176) was created to showcase multiprocessing with ARM11 using MPCore using symmetric multiprocessing (SMP). See ARM DUI 0351E. items: - const: arm,realview-pb11mp - description: ARM RealView Platform Baseboard for Cortex-A8 (HBI-0178, HBI-0176 and HBI-0175) was the first reference platform for the Cortex CPU family, including a Cortex-A8 test chip. items: - const: arm,realview-pba8 - description: ARM RealView Platform Baseboard Explore for Cortex-A9 (HBI-0182 and HBI-0183) was the reference platform for the Cortex-A9 CPU. items: - const: arm,realview-pbx soc: description: All RealView boards must provide a soc node in the root of the device tree, representing the System-on-Chip since these test chips are rather complex. type: object properties: compatible: oneOf: - items: - const: arm,realview-eb-soc - const: simple-bus - items: - const: arm,realview-pb1176-soc - const: simple-bus - items: - const: arm,realview-pb11mp-soc - const: simple-bus - items: - const: arm,realview-pba8-soc - const: simple-bus - items: - const: arm,realview-pbx-soc - const: simple-bus patternProperties: "^.*syscon@[0-9a-f]+$": type: object description: All RealView boards must provide a syscon system controller node inside the soc node. properties: compatible: oneOf: - items: - const: arm,realview-eb11mp-revb-syscon - const: arm,realview-eb-syscon - const: syscon - const: simple-mfd - items: - const: arm,realview-eb11mp-revc-syscon - const: arm,realview-eb-syscon - const: syscon - const: simple-mfd - items: - const: arm,realview-eb-syscon - const: syscon - const: simple-mfd - items: - const: arm,realview-pb1176-syscon - const: syscon - const: simple-mfd - items: - const: arm,realview-pb11mp-syscon - const: syscon - const: simple-mfd - items: - const: arm,realview-pba8-syscon - const: syscon - const: simple-mfd - items: - const: arm,realview-pbx-syscon - const: syscon - const: simple-mfd required: - compatible - reg required: - compatible required: - compatible - soc ...