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There are already 3 distinct dts in tree for these *two* boards, declaring particular compatible strings: - armada-388-clearfog.dts: compatible = "solidrun,clearfog-a1", "marvell,armada388", "marvell,armada385, "marvell,armada380"; - armada-388-clearfog-base.dts: compatible = "solidrun,clearfog-base-a1", "solidrun,clearfog-a1", "marvell,armada388", "marvell,armada385, "marvell,armada380"; - armada-388-clearfog-pro.dts: compatible = "solidrun,clearfog-base-a1", "solidrun,clearfog-a1", "marvell,armada388", "marvell,armada385, "marvell,armada380"; This has historic reasons, the first entry is a legacy name for the "pro" version, old versions of u-boot built when only one variant existed explicitly boot by this name. Note that both compatibles and model field include the string "A1". At least up to revision 2.0 of the board, this had been printed on the pcb. However in marketing material and conversations it is usually omitted. "Clearfog Pro" and "Clearfog Pro A1" always mean exactly the same product. Technically Base and Pro variants are similar enough that they can successfully boot with each other's dts. Hence it makes (some) sense for them to share the "clearfog-a1" compatible. Add bindings for the explicit variants including base / pro suffix. The legacy "armada-388-clearfog.dts" is not supported by these bindings" as it does not make sense having two bindings for one board. Signed-off-by: Josua Mayer --- .../devicetree/bindings/arm/marvell/armada-38x.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/marvell/armada-38x.yaml b/Documentation/devicetree/bindings/arm/marvell/armada-38x.yaml index 5bc69c4fe34d..f77976138bb3 100644 --- a/Documentation/devicetree/bindings/arm/marvell/armada-38x.yaml +++ b/Documentation/devicetree/bindings/arm/marvell/armada-38x.yaml @@ -38,4 +38,16 @@ properties: - const: marvell,armada385 - const: marvell,armada380 + - description: + SolidRun Armada 388 based single-board computers + + items: + - enum: + - solidrun,clearfog-base-a1 + - solidrun,clearfog-pro-a1 + - const: solidrun,clearfog-a1 + - const: marvell,armada388 + - const: marvell,armada385 + - const: marvell,armada380 + additionalProperties: true