netdev - [PATCH 1/2] dt-bindings: net: dp83822: Add line driver class selection

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Date: Mon, 10 Jul 2023 20:56:19 +0300
From: Vesa Jääskeläinen <vesa.jaaskelainen@...sala.com>
To: 
Cc: vesa.jaaskelainen@...sala.com,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Andrew Davis <afd@...com>,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: net: dp83822: Add line driver class selection

Add support to specify either class A or class B (default) for line driver.

Class A: full MLT-3 on both Tx+ and Tx–
Class B: reduced MLT-3

Signed-off-by: Vesa Jääskeläinen <vesa.jaaskelainen@...sala.com>
---
 Documentation/devicetree/bindings/net/ti,dp83822.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/ti,dp83822.yaml b/Documentation/devicetree/bindings/net/ti,dp83822.yaml
index db74474207ed..62943a1e8941 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83822.yaml
+++ b/Documentation/devicetree/bindings/net/ti,dp83822.yaml
@@ -27,6 +27,14 @@ properties:
   reg:
     maxItems: 1
 
+  ti,line-driver-class-a:
+    type: boolean
+    description: |
+       DP83822 PHY's line driver selection to class A.
+       Sets the DP83822 line driver as class A i.e. program full MLT-3 on both
+       Tx+ and Tx-.
+       If not defined class B will be configured (default) i.e. reduced MLT-3.
+
   ti,link-loss-low:
     type: boolean
     description: |
-- 
2.34.1