Merge tag 'arm-dt-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (854e80bc) · Commits · 戴 / test

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

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		# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
		%YAML 1.2
		---
		$id: http://devicetree.org/schemas/arm/arm,integrator.yaml#
		$schema: http://devicetree.org/meta-schemas/core.yaml#

		title: ARM Integrator Boards Device Tree Bindings

		maintainers:
		- Linus Walleij <linus.walleij@linaro.org>

		description: \|+
		These were the first ARM platforms officially supported by ARM Ltd.
		They are ARMv4, ARMv5 and ARMv6-capable using different core tiles,
		so the system is modular and can host a variety of CPU tiles called
		"core tiles" and referred to in the device tree as "core modules".

		properties:
		$nodename:
		const: '/'
		compatible:
		oneOf:
		- description: ARM Integrator Application Platform, this board has a PCI
		host and several PCI slots, as well as a number of slots for logical
		expansion modules, it is referred to as an "ASIC Development
		Motherboard" and is extended with custom FPGA and is intended for
		rapid prototyping. See ARM DUI 0098B. This board can physically come
		pre-packaged in a PC Tower form factor called Integrator/PP1 or a
		special metal fixture called Integrator/PP2, see ARM DUI 0169A.
		items:
		- const: arm,integrator-ap
		- description: ARM Integrator Compact Platform (HBI-0086), this board has
		a compact form factor and mainly consists of the bare minimum
		peripherals to make use of the core module. See ARM DUI 0159B.
		items:
		- const: arm,integrator-cp
		- description: ARM Integrator Standard Development Board (SDB) Platform,
		this board is a PCI-based board conforming to the Microsoft SDB
		(HARP) specification. See ARM DUI 0099A.
		items:
		- const: arm,integrator-sp

		core-module@10000000:
		type: object
		description: the root node in the Integrator platforms must contain
		a core module child node. They are always at physical address
		0x10000000 in all the Integrator variants.
		properties:
		compatible:
		items:
		- const: arm,core-module-integrator
		- const: syscon
		- const: simple-mfd
		reg:
		maxItems: 1

		required:
		- compatible
		- reg

		patternProperties:
		"^syscon@[0-9a-f]+$":
		description: All Integrator boards must provide a system controller as a
		node in the root of the device tree.
		type: object
		properties:
		compatible:
		items:
		- enum:
		- arm,integrator-ap-syscon
		- arm,integrator-cp-syscon
		- arm,integrator-sp-syscon
		- const: syscon
		reg:
		maxItems: 1

		required:
		- compatible
		- reg


		required:
		- compatible
		- core-module@10000000

		...

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

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		# 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 <linus.walleij@linaro.org>

		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

		...

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

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		# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
		%YAML 1.2
		---
		$id: http://devicetree.org/schemas/arm/arm,versatile.yaml#
		$schema: http://devicetree.org/meta-schemas/core.yaml#

		title: ARM Versatile Boards Device Tree Bindings

		maintainers:
		- Linus Walleij <linus.walleij@linaro.org>

		description: \|+
		The ARM Versatile boards are two variants of ARM926EJ-S evaluation boards
		with various pluggable interface boards, in essence the Versatile PB version
		is a superset of the Versatile AB version.

		properties:
		$nodename:
		const: '/'
		compatible:
		oneOf:
		- description: The ARM Versatile Application Baseboard (HBI-0118) is an
		evaluation board specifically for the ARM926EJ-S. It can be connected
		to an IB1 interface board for a touchscreen-type use case or an IB2
		for a candybar phone-type use case. See ARM DUI 0225D.
		items:
		- const: arm,versatile-ab
		- description: The ARM Versatile Platform Baseboard (HBI-0117) is an
		extension of the Versatile Application Baseboard that includes a
		PCI host controller. Like the sibling board, it is done specifically
		for ARM926EJ-S. See ARM DUI 0224B.
		items:
		- const: arm,versatile-pb

		core-module@10000000:
		type: object
		description: the root node in the Versatile platforms must contain
		a core module child node. They are always at physical address
		0x10000000 in all the Versatile variants.
		properties:
		compatible:
		items:
		- const: arm,core-module-versatile
		- const: syscon
		- const: simple-mfd
		reg:
		maxItems: 1

		required:
		- compatible
		- reg

		patternProperties:
		"^syscon@[0-9a-f]+$":
		type: object
		description: When fitted with the IB2 Interface Board, the Versatile
		AB will present an optional system controller node which controls the
		extra peripherals on the interface board.
		properties:
		compatible:
		contains:
		const: arm,versatile-ib2-syscon
		required:
		- compatible
		- reg

		required:
		- compatible
		- core-module@10000000

		...

Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml

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		# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
		%YAML 1.2
		---
		$id: http://devicetree.org/schemas/arm/arm,vexpress-juno.yaml#
		$schema: http://devicetree.org/meta-schemas/core.yaml#

		title: ARM Versatile Express and Juno Boards Device Tree Bindings

		maintainers:
		- Sudeep Holla <sudeep.holla@arm.com>
		- Linus Walleij <linus.walleij@linaro.org>

		description: \|+
		ARM's Versatile Express platform were built as reference designs for exploring
		multicore Cortex-A class systems. The Versatile Express family contains both
		32 bit (Aarch32) and 64 bit (Aarch64) systems.

		The board consist of a motherboard and one or more daughterboards (tiles). The
		motherboard provides a set of peripherals. Processor and RAM "live" on the
		tiles.

		The motherboard and each core tile should be described by a separate Device
		Tree source file, with the tile's description including the motherboard file
		using an include directive. As the motherboard can be initialized in one of
		two different configurations ("memory maps"), care must be taken to include
		the correct one.

		When a new generation of boards were introduced under the name "Juno", these
		shared to many common characteristics with the Versatile Express that the
		"arm,vexpress" compatible was retained in the root node, and these are
		included in this binding schema as well.

		The root node indicates the CPU SoC on the core tile, and this
		is a daughterboard to the main motherboard. The name used in the compatible
		string shall match the name given in the core tile's technical reference
		manual, followed by "arm,vexpress" as an additional compatible value. If
		further subvariants are released of the core tile, even more fine-granular
		compatible strings with up to three compatible strings are used.

		properties:
		$nodename:
		const: '/'
		compatible:
		oneOf:
		- description: CoreTile Express A9x4 (V2P-CA9) has 4 Cortex A9 CPU cores
		in MPCore configuration in a test chip on the core tile. See ARM
		DUI 0448I. This was the first Versatile Express platform.
		items:
		- const: arm,vexpress,v2p-ca9
		- const: arm,vexpress
		- description: CoreTile Express A5x2 (V2P-CA5s) has 2 Cortex A5 CPU cores
		in a test chip on the core tile. It is intended to evaluate NEON, FPU
		and Jazelle support in the Cortex A5 family. See ARM DUI 0541C.
		items:
		- const: arm,vexpress,v2p-ca5s
		- const: arm,vexpress
		- description: Coretile Express A15x2 (V2P-CA15) has 2 Cortex A15 CPU
		cores in a MPCore configuration in a test chip on the core tile. See
		ARM DUI 0604F.
		items:
		- const: arm,vexpress,v2p-ca15
		- const: arm,vexpress
		- description: CoreTile Express A15x4 (V2P-CA15, HBI-0237A) has 4 Cortex
		A15 CPU cores in a test chip on the core tile. This is the first test
		chip called "TC1".
		items:
		- const: arm,vexpress,v2p-ca15,tc1
		- const: arm,vexpress,v2p-ca15
		- const: arm,vexpress
		- description: Coretile Express A15x2 A7x3 (V2P-CA15_A7) has 2 Cortex A15
		CPU cores and 3 Cortex A7 cores in a big.LITTLE MPCore configuration
		in a test chip on the core tile. See ARM DDI 0503I.
		items:
		- const: arm,vexpress,v2p-ca15_a7
		- const: arm,vexpress
		- description: LogicTile Express 20MG (V2F-1XV7) has 2 Cortex A53 CPU
		cores in a test chip on the core tile. See ARM DDI 0498D.
		items:
		- const: arm,vexpress,v2f-1xv7,ca53x2
		- const: arm,vexpress,v2f-1xv7
		- const: arm,vexpress
		- description: Arm Versatile Express Juno "r0" (the first Juno board,
		V2M-Juno) was introduced as a vehicle for evaluating big.LITTLE on
		AArch64 CPU cores. It has 2 Cortex A57 CPU cores and 4 Cortex A53
		cores in a big.LITTLE configuration. It also features the MALI T624
		GPU. See ARM document 100113_0000_07_en.
		items:
		- const: arm,juno
		- const: arm,vexpress
		- description: Arm Versatile Express Juno r1 Development Platform
		(V2M-Juno r1) was introduced mainly aimed at development of PCIe
		based systems. Juno r1 also has support for AXI masters placed on
		the TLX connectors to join the coherency domain. Otherwise it is the
		same configuration as Juno r0. See ARM document 100122_0100_06_en.
		items:
		- const: arm,juno-r1
		- const: arm,juno
		- const: arm,vexpress
		- description: Arm Versatile Express Juno r2 Development Platform
		(V2M-Juno r2). It has the same feature set as Juno r0 and r1. See
		ARM document 100114_0200_04_en.
		items:
		- const: arm,juno-r2
		- const: arm,juno
		- const: arm,vexpress
		- description: Arm AEMv8a Versatile Express Real-Time System Model
		(VE RTSM) is a programmers view of the Versatile Express with Arm
		v8A hardware. See ARM DUI 0575D.
		items:
		- const: arm,rtsm_ve,aemv8a
		- const: arm,vexpress
		- description: Arm FVP (Fixed Virtual Platform) base model revision C
		See ARM Document 100964_1190_00_en.
		items:
		- const: arm,fvp-base-revc
		- const: arm,vexpress
		- description: Arm Foundation model for Aarch64
		items:
		- const: arm,foundation-aarch64
		- const: arm,vexpress

		arm,hbi:
		$ref: '/schemas/types.yaml#/definitions/uint32'
		description: This indicates the ARM HBI (Hardware Board ID), this is
		ARM's unique board model ID, visible on the PCB's silkscreen.

		arm,vexpress,site:
		description: As Versatile Express can be configured in number of physically
		different setups, the device tree should describe platform topology.
		For this reason the root node and main motherboard node must define this
		property, describing the physical location of the children nodes.
		0 means motherboard site, while 1 and 2 are daughterboard sites, and
		0xf means "sisterboard" which is the site containing the main CPU tile.
		allOf:
		- $ref: '/schemas/types.yaml#/definitions/uint32'
		- minimum: 0
		maximum: 15

		arm,vexpress,position:
		description: When daughterboards are stacked on one site, their position
		in the stack be be described this attribute.
		allOf:
		- $ref: '/schemas/types.yaml#/definitions/uint32'
		- minimum: 0
		maximum: 3

		arm,vexpress,dcc:
		description: When describing tiles consisting of more than one DCC, its
		number can be specified with this attribute.
		allOf:
		- $ref: '/schemas/types.yaml#/definitions/uint32'
		- minimum: 0
		maximum: 3

		patternProperties:
		"^bus@[0-9a-f]+$":
		description: Static Memory Bus (SMB) node, if this exists it describes
		the connection between the motherboard and any tiles. Sometimes the
		compatible is placed directly under this node, sometimes it is placed
		in a subnode named "motherboard". Sometimes the compatible includes
		"arm,vexpress,v2?-p1" sometimes (on software models) is is just
		"simple-bus". If the compatible is placed in the "motherboard" node,
		it is stricter and always has two compatibles.
		type: object
		allOf:
		- $ref: '/schemas/simple-bus.yaml'

		properties:
		compatible:
		oneOf:
		- items:
		- enum:
		- arm,vexpress,v2m-p1
		- arm,vexpress,v2p-p1
		- const: simple-bus
		- const: simple-bus
		motherboard:
		type: object
		description: The motherboard description provides a single "motherboard"
		node using 2 address cells corresponding to the Static Memory Bus
		used between the motherboard and the tile. The first cell defines the
		Chip Select (CS) line number, the second cell address offset within
		the CS. All interrupt lines between the motherboard and the tile
		are active high and are described using single cell.
		properties:
		"#address-cells":
		const: 2
		"#size-cells":
		const: 1
		compatible:
		items:
		- enum:
		- arm,vexpress,v2m-p1
		- arm,vexpress,v2p-p1
		- const: simple-bus
		arm,v2m-memory-map:
		description: This describes the memory map type.
		allOf:
		- $ref: '/schemas/types.yaml#/definitions/string'
		- enum:
		- rs1
		- rs2
		required:
		- compatible
		required:
		- compatible

		allOf:
		- if:
		properties:
		compatible:
		contains:
		enum:
		- arm,vexpress,v2p-ca9
		- arm,vexpress,v2p-ca5s
		- arm,vexpress,v2p-ca15
		- arm,vexpress,v2p-ca15_a7
		- arm,vexpress,v2f-1xv7,ca53x2
		then:
		required:
		- arm,hbi

		...

Documentation/devicetree/bindings/arm/arm-boards

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