netdev - [PATCH net-next v2 02/18] dt-bindings: net: cdns,macb: add Mobileye EyeQ5 ethernet interface

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Message-Id: <20250627-macb-v2-2-ff8207d0bb77@bootlin.com>
Date: Fri, 27 Jun 2025 11:08:48 +0200
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "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>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>, Samuel Holland <samuel.holland@...ive.com>, 
 Richard Cochran <richardcochran@...il.com>, 
 Russell King <linux@...linux.org.uk>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, 
 Gregory CLEMENT <gregory.clement@...tlin.com>, 
 Cyrille Pitchen <cyrille.pitchen@...el.com>, 
 Harini Katakam <harini.katakam@...inx.com>, 
 Rafal Ozieblo <rafalo@...ence.com>, 
 Haavard Skinnemoen <hskinnemoen@...el.com>, Jeff Garzik <jeff@...zik.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 linux-mips@...r.kernel.org, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>, 
 Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH net-next v2 02/18] dt-bindings: net: cdns,macb: add
 Mobileye EyeQ5 ethernet interface

Add cdns,eyeq5-gem as compatible for the integrated GEM block inside
Mobileye EyeQ5 SoCs. Add a phandle (and two offset arguments) for
accessing syscon registers.

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
 .../devicetree/bindings/net/cdns,macb.yaml         | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
index df883354c7e635099885da42e4604e1c31b05c72..6cf43cc50377f23d60ef40bf1c8efa22ce1ae0bb 100644
--- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
+++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
@@ -57,6 +57,7 @@ properties:
           - cdns,np4-macb             # NP4 SoC devices
           - microchip,sama7g5-emac    # Microchip SAMA7G5 ethernet interface
           - microchip,sama7g5-gem     # Microchip SAMA7G5 gigabit ethernet interface
+          - mobileye,eyeq5-gem        # Mobileye EyeQ5 SoCs
           - sifive,fu540-c000-gem     # SiFive FU540-C000 SoC

       - items:
@@ -137,6 +138,17 @@ properties:
       Node containing PHY children. If this node is not present, then PHYs will
       be direct children.

+  mobileye,olb:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description:
+      Handle to the OLB system controller that owns registers configuring the
+      MACB integration.
+    items:
+      - items:
+          - description: phandle to OLB node
+          - description: MAC General-Purpose register offset
+          - description: MAC SGMII register offset
+
 patternProperties:
   "^ethernet-phy@[0-9a-f]$":
     type: object
@@ -175,6 +187,18 @@ allOf:
         reg:
           maxItems: 1

+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mobileye,eyeq5-gem
+    then:
+      required:
+        - mobileye,olb
+    else:
+      properties:
+        mobileye,olb: false
+
 unevaluatedProperties: false

 examples:

-- 
2.50.0