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dt-bindings: net: phy: Document support for external PHY clk 

Ethern PHYs can have external an clock that needs to be activated before
communicating with the PHY.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Detlev Casanova 2023-06-05 11:40:09 -04:00 committed by David S. Miller
parent 7300c9b574
commit 350b7a258f
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/net/ethernet-phy.yaml
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@ -93,6 +93,12 @@ properties:
the turn around line low at end of the control phase of the
MDIO transaction.
clocks:
maxItems: 1
description:
External clock connected to the PHY. If not specified it is assumed
that the PHY uses a fixed crystal or an internal oscillator.
enet-phy-lane-swap:
$ref: /schemas/types.yaml#/definitions/flag
description: