[PATCH net-next v2 3/3] dt-bindings: ethernet-phy: add optional mii-lite-mode flag
From: Kamil Horák - 2N <hidden>
Date: 2025-06-23 15:11:39
Also in:
lkml, netdev
Subsystem:
ethernet phy library, networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Kamil Horák (2N) <redacted> The Broadcom bcm54810 and bcm54811 PHYs support MII and MII-Lite interface modes. The MII-Lite mode does not use TXR, RXER, CRS and COL signals. However, the hardware strapping only selects MII mode, distinction between MII and MII-Lite must be done by software. Add optional mii-lite-mode flag to switch the PHY to MII-Lite mode. Signed-off-by: Kamil Horák (2N) <redacted> --- Documentation/devicetree/bindings/net/ethernet-phy.yaml | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index 71e2cd32580f..edfd16044770 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml@@ -101,6 +101,14 @@ properties: 1BR-10 names. The PHY must be configured to operate in BroadR-Reach mode by software. + mii-lite-mode: + $ref: /schemas/types.yaml#/definitions/flag + description: + If set, indicates the use of MII-Lite variant of MII, without the + functions of TXER, RXER, CRS and COL signals for Broadcom PHYs. These + PHYs can be strapped to use MII mode but the MII or MII-Lite selection + must be done by software. + clocks: maxItems: 1 description:
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