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

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Message-Id: <20200617133127.628454-8-antoine.tenart@bootlin.com>
Date:   Wed, 17 Jun 2020 15:31:26 +0200
From:   Antoine Tenart <antoine.tenart@...tlin.com>
To:     davem@...emloft.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com, richardcochran@...il.com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, allan.nielsen@...rochip.com,
        foss@...il.net, antoine.tenart@...tlin.com
Subject: [PATCH net-next v2 7/8] dt-bindings: net: phy: vsc8531: document the load/save GPIO

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@...tlin.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