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dt-bindings: net: add PHY reset controller binding

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Add the documentation for PHY reset lines controlled by a reset controller.

Signed-off-by: David Bauer <mail@david-bauer.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Bauer
2019-04-17 23:59:20 +02:00
committed by David S. Miller
parent 8a99aa5d99
commit b54dd90cab
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/net/phy.txt
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@@ -51,6 +51,10 @@ Optional Properties:
to ensure the integrated PHY is used. The absence of this property indicates to ensure the integrated PHY is used. The absence of this property indicates
the muxers should be configured so that the external PHY is used. the muxers should be configured so that the external PHY is used.
- resets: The reset-controller phandle and specifier for the PHY reset signal.
- reset-names: Must be "phy" for the PHY reset signal.
- reset-gpios: The GPIO phandle and specifier for the PHY reset signal. - reset-gpios: The GPIO phandle and specifier for the PHY reset signal.
- reset-assert-us: Delay after the reset was asserted in microseconds. - reset-assert-us: Delay after the reset was asserted in microseconds.
@@ -67,6 +71,8 @@ ethernet-phy@0 {
interrupts = <35 IRQ_TYPE_EDGE_RISING>; interrupts = <35 IRQ_TYPE_EDGE_RISING>;
reg = <0>; reg = <0>;
resets = <&rst 8>;
reset-names = "phy";
reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
reset-assert-us = <1000>; reset-assert-us = <1000>;
reset-deassert-us = <2000>; reset-deassert-us = <2000>;