linux-kernel - [PATCH net-next v2 1/2] dt-bindings: net: marvell,aquantia: add properties to override MDI

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Message-ID: <1cdfd174d3ac541f3968dfe9bd14d5b6b28e4ac6.1724885333.git.daniel@makrotopia.org>
Date: Wed, 28 Aug 2024 23:51:49 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Christian Marangi <ansuelsmth@...il.com>,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	Robert Marko <robimarko@...il.com>,
	Daniel Golle <daniel@...rotopia.org>,
	Russell King <rmk+kernel@...linux.org.uk>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next v2 1/2] dt-bindings: net: marvell,aquantia: add
 properties to override MDI_CFG

Usually the MDI pair order reversal configuration is defined by
bootstrap pin MDI_CFG. Some designs, however, require overriding the MDI
pair order and force either normal or reverse order.

Add mutually exclusive properties 'marvell,force-mdi-order-normal' and
'marvell,force-mdi-order-reverse' for that purpose.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
v2: enforce mutually exclusive relationship of the two new properties in
    dt-schema.

 .../bindings/net/marvell,aquantia.yaml           | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/marvell,aquantia.yaml b/Documentation/devicetree/bindings/net/marvell,aquantia.yaml
index 9854fab4c4db0..03b0cff239f70 100644
--- a/Documentation/devicetree/bindings/net/marvell,aquantia.yaml
+++ b/Documentation/devicetree/bindings/net/marvell,aquantia.yaml
@@ -22,6 +22,12 @@ description: |
 
 allOf:
   - $ref: ethernet-phy.yaml#
+  - if:
+      required:
+        - marvell,force-mdi-order-normal
+    then:
+      properties:
+        marvell,force-mdi-order-reverse: false
 
 select:
   properties:
@@ -48,6 +54,16 @@ properties:
   firmware-name:
     description: specify the name of PHY firmware to load
 
+  marvell,force-mdi-order-normal:
+    type: boolean
+    description:
+      force normal order of MDI pairs, overriding MDI_CFG bootstrap pin.
+
+  marvell,force-mdi-order-reverse:
+    type: boolean
+    description:
+      force reverse order of MDI pairs, overriding MDI_CFG bootstrap pin.
+
   nvmem-cells:
     description: phandle to the firmware nvmem cell
     maxItems: 1
-- 
2.46.0