netdev - [PATCH net-next v2 7/8] dt-bindings: net: pse-pd: Add bindings for PD692x0 PSE controller

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Message-Id: <20231201-feature_poe-v2-7-56d8cac607fa@bootlin.com>
Date: Fri, 01 Dec 2023 18:10:29 +0100
From: Kory Maincent <kory.maincent@...tlin.com>
To: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Jonathan Corbet <corbet@....net>, 
 Luis Chamberlain <mcgrof@...nel.org>, Russ Weight <russ.weight@...ux.dev>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, 
 devicetree@...r.kernel.org, Dent Project <dentproject@...uxfoundation.org>, 
 Kory Maincent <kory.maincent@...tlin.com>
Subject: [PATCH net-next v2 7/8] dt-bindings: net: pse-pd: Add bindings for
 PD692x0 PSE controller

Add the PD692x0 I2C Power Sourcing Equipment controller device tree
bindings documentation.

Sponsored-by: Dent Project <dentproject@...uxfoundation.org>
Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
---

Changes in v2:
- Enhance ports-matrix description.
- Replace additionalProperties by unevaluatedProperties.
- Drop i2c suffix.
---
 .../bindings/net/pse-pd/microchip,pd692x0.yaml     | 77 ++++++++++++++++++++++
 MAINTAINERS                                        |  6 ++
 2 files changed, 83 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml b/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml
new file mode 100644
index 000000000000..3ce81cf99215
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/pse-pd/microchip,pd692x0.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip PD692x0 Power Sourcing Equipment controller
+
+maintainers:
+  - Kory Maincent <kory.maincent@...tlin.com>
+
+allOf:
+  - $ref: pse-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - microchip,pd69200
+      - microchip,pd69210
+      - microchip,pd69220
+
+  reg:
+    maxItems: 1
+
+  '#pse-cells':
+    const: 1
+
+  ports-matrix:
+    description: each set of 48 logical ports can be assigned to one or two
+      physical ports. Each physical port is wired to a PD69204/8 PoE
+      manager. Using two different PoE managers for one RJ45 port
+      (logical port) is interesting for temperature dissipation.
+      This parameter describes the configuration of the port conversion
+      matrix that establishes the relationship between the 48 logical ports
+      and the available 96 physical ports. Unspecified logical ports will
+      be deactivated.
+    $ref: /schemas/types.yaml#/definitions/uint32-matrix
+    minItems: 1
+    maxItems: 48
+    items:
+      items:
+        - description: Logical port number
+          minimum: 0
+          maximum: 47
+        - description: Physical port number A (0xff for undefined)
+          oneOf:
+            - minimum: 0
+              maximum: 95
+            - const: 0xff
+        - description: Physical port number B (0xff for undefined)
+          oneOf:
+            - minimum: 0
+              maximum: 95
+            - const: 0xff
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        ethernet-pse@3c {
+          compatible = "microchip,pd69200";
+          reg = <0x3c>;
+          #pse-cells = <1>;
+          ports-matrix = <0 2 5
+                          1 3 6
+                          2 0 0xff
+                          3 1 0xff>;
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index e3fd148d462e..b746684f3fd3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14235,6 +14235,12 @@ L:	linux-serial@...r.kernel.org
 S:	Maintained
 F:	drivers/tty/serial/8250/8250_pci1xxxx.c
 
+MICROCHIP PD692X0 PSE DRIVER
+M:	Kory Maincent <kory.maincent@...tlin.com>
+L:	netdev@...r.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml
+
 MICROCHIP POLARFIRE FPGA DRIVERS
 M:	Conor Dooley <conor.dooley@...rochip.com>
 R:	Vladimir Georgiev <v.georgiev@...rotek.ru>

-- 
2.25.1