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dt-bindings: net: aspeed: add AST2700 MDIO compatible

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Add "aspeed,ast2700-mdio" compatible to the binding schema with a fallback
to "aspeed,ast2600-mdio".

Although the MDIO controller on AST2700 is functionally the same as the
one on AST2600, it's good practice to add a SoC-specific compatible for
new silicon. This allows future driver updates to handle any 2700-specific
integration issues without requiring devicetree changes or complex
runtime detection logic.

For now, the driver continues to bind via the existing
"aspeed,ast2600-mdio" compatible, so no driver changes are needed.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com>
Link: https://patch.msgid.link/20251120-aspeed_mdio_ast2700-v2-1-0d722bfb2c54@aspeedtech.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jacky Chou
2025-11-20 11:52:03 +08:00
committed by Paolo Abeni
parent cc1b62512a
commit e3daf0e7fe
1 changed files with 6 additions and 1 deletions
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7
Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
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@@ -19,7 +19,12 @@ allOf:
properties:
compatible:
const: aspeed,ast2600-mdio
oneOf:
- const: aspeed,ast2600-mdio
- items:
- enum:
- aspeed,ast2700-mdio
- const: aspeed,ast2600-mdio
reg:
maxItems: 1