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Message-ID: <cf190e3a4192f38eecba260cd2775b660874746e.1765671579.git.daniel@makrotopia.org>
Date: Sun, 14 Dec 2025 00:40:53 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Daniel Golle <daniel@...rotopia.org>, Andrew Lunn <andrew@...n.ch>,
Vladimir Oltean <olteanv@...il.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@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
Simon Horman <horms@...nel.org>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Frank Wunderlich <frankwu@....de>, Chad Monroe <chad@...roe.io>,
Cezary Wilmanski <cezary.wilmanski@...ran.com>,
Avinash Jayaraman <ajayaraman@...linear.com>,
Bing tao Xu <bxu@...linear.com>, Liang Xu <lxu@...linear.com>,
Juraj Povazanec <jpovazanec@...linear.com>,
"Fanni (Fang-Yi) Chan" <fchan@...linear.com>,
"Benny (Ying-Tsan) Weng" <yweng@...linear.com>,
"Livia M. Rosu" <lrosu@...linear.com>,
John Crispin <john@...ozen.org>
Subject: [RFC PATCH v2 net-next 1/4] dt-bindings: net: dsa: add bindings for
MaxLinear MxL862xx
Add documentation and an example for MaxLinear MxL86282 and MxL86252
switches.
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
RFC v2: better description in dt-bindings doc
.../bindings/net/dsa/maxlinear,mxl862xx.yaml | 162 ++++++++++++++++++
MAINTAINERS | 6 +
2 files changed, 168 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/dsa/maxlinear,mxl862xx.yaml
diff --git a/Documentation/devicetree/bindings/net/dsa/maxlinear,mxl862xx.yaml b/Documentation/devicetree/bindings/net/dsa/maxlinear,mxl862xx.yaml
new file mode 100644
index 0000000000000..159b64d5474b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/dsa/maxlinear,mxl862xx.yaml
@@ -0,0 +1,162 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/dsa/maxlinear,mxl862xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MaxLinear MxL862xx Ethernet Switch Family
+
+maintainers:
+ - Daniel Golle <daniel@...rotopia.org>
+
+description:
+ The MaxLinear MxL862xx switch family are multi-port Ethernet switches with
+ integrated 2.5GE PHYs. The MxL86252 has five PHY ports and the MxL86282
+ has eight PHY ports. Both models come with two 10 Gigabit/s SerDes
+ interfaces to be used to connect external PHYs or SFP cages, or as CPU
+ port.
+
+allOf:
+ - $ref: dsa.yaml#/$defs/ethernet-ports
+
+properties:
+ compatible:
+ enum:
+ - maxlinear,mxl86252
+ - maxlinear,mxl86282
+
+ reg:
+ maxItems: 1
+ description: MDIO address of the switch
+
+ mdio:
+ $ref: /schemas/net/mdio.yaml#
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ switch@0 {
+ compatible = "maxlinear,mxl86282";
+ reg = <0>;
+
+ ethernet-ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ label = "lan1";
+ phy-handle = <&phy0>;
+ phy-mode = "internal";
+ };
+
+ port@1 {
+ reg = <1>;
+ label = "lan2";
+ phy-handle = <&phy1>;
+ phy-mode = "internal";
+ };
+
+ port@2 {
+ reg = <2>;
+ label = "lan3";
+ phy-handle = <&phy2>;
+ phy-mode = "internal";
+ };
+
+ port@3 {
+ reg = <3>;
+ label = "lan4";
+ phy-handle = <&phy3>;
+ phy-mode = "internal";
+ };
+
+ port@4 {
+ reg = <4>;
+ label = "lan5";
+ phy-handle = <&phy4>;
+ phy-mode = "internal";
+ };
+
+ port@5 {
+ reg = <5>;
+ label = "lan6";
+ phy-handle = <&phy5>;
+ phy-mode = "internal";
+ };
+
+ port@6 {
+ reg = <6>;
+ label = "lan7";
+ phy-handle = <&phy6>;
+ phy-mode = "internal";
+ };
+
+ port@7 {
+ reg = <7>;
+ label = "lan8";
+ phy-handle = <&phy7>;
+ phy-mode = "internal";
+ };
+
+ port@8 {
+ reg = <8>;
+ label = "cpu";
+ ethernet = <&gmac0>;
+ phy-mode = "usxgmii";
+
+ fixed-link {
+ speed = <10000>;
+ full-duplex;
+ };
+ };
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+
+ phy2: ethernet-phy@2 {
+ reg = <2>;
+ };
+
+ phy3: ethernet-phy@3 {
+ reg = <3>;
+ };
+
+ phy4: ethernet-phy@4 {
+ reg = <4>;
+ };
+
+ phy5: ethernet-phy@5 {
+ reg = <5>;
+ };
+
+ phy6: ethernet-phy@6 {
+ reg = <6>;
+ };
+
+ phy7: ethernet-phy@7 {
+ reg = <7>;
+ };
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 9707f53d62935..c433a15d9797a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15604,6 +15604,12 @@ S: Supported
F: drivers/net/phy/mxl-86110.c
F: drivers/net/phy/mxl-gpy.c
+MAXLINEAR MXL862XX SWITCH DRIVER
+M: Daniel Golle <daniel@...rotopia.org>
+L: netdev@...r.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/net/dsa/maxlinear,mxl862xx.yaml
+
MCAN DEVICE DRIVER
M: Markus Schneider-Pargmann <msp@...libre.com>
L: linux-can@...r.kernel.org
--
2.52.0
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