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Subject[PATCH net-next 7/8] dt-bindings: net: phy: vsc8531: document the load/save GPIO
Date
A new optional property can be used to reference the load/save GPIO,
used for PTP hardware clock (PHC) operations. This patch documents it in
the binding documentation.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
---
Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index 5ff37c68c941..87a27d775d48 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -31,6 +31,8 @@ Optional properties:
VSC8531_LINK_100_ACTIVITY (2),
VSC8531_LINK_ACTIVITY (0) and
VSC8531_DUPLEX_COLLISION (8).
+- load-save-gpios : GPIO used for the load/save operation of the PTP
+ hardware clock (PHC).


Table: 1 - Edge rate change
@@ -67,4 +69,5 @@ Example:
vsc8531,edge-slowdown = <7>;
vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
+ load-save-gpios = <&gpio 10 GPIO_ACTIVE_HIGH>;
};
--
2.26.2
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