diff mbox series

[net-next,v2,7/8] dt-bindings: net: phy: vsc8531: document the load/save GPIO

Message ID 20200617133127.628454-8-antoine.tenart@bootlin.com
State New
Headers show
Series [net-next,v2,1/8] net: phy: add support for a common probe between shared PHYs | expand

Commit Message

Antoine Tenart June 17, 2020, 1:31 p.m. UTC 
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 mbox series

Patch

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>;
         };