This implements the top-level schema for the ARM Versatile platforms. Cc: Sudeep Holla <sudeep.holla@xxxxxxx> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- ChangeLog v1->v2: - Enforce core module to be @10000000 - Require all three compatibles on the core module --- .../bindings/arm/arm,versatile.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/arm,versatile.yaml diff --git a/Documentation/devicetree/bindings/arm/arm,versatile.yaml b/Documentation/devicetree/bindings/arm/arm,versatile.yaml new file mode 100644 index 000000000000..06efd2a075c9 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm,versatile.yaml @@ -0,0 +1,71 @@ +# 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@xxxxxxxxxx> + +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 + +... -- 2.24.1
