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Date:   Mon,  3 Oct 2022 08:52:01 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Corbet <corbet@....net>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
        David Jander <david@...tonic.nl>,
        Luka Perkov <luka.perkov@...tura.hr>,
        Robert Marko <robert.marko@...tura.hr>
Subject: [PATCH net-next v8 6/7] dt-bindings: net: pse-dt: add bindings for regulator based PoDL PSE controller

Add bindings for the regulator based Ethernet PoDL PSE controller and
generic bindings for all PSE controllers.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
changes v6:
- add description of PSE controller
- change "^ethernet-pse(@[a-f0-9]+)?$" to "^ethernet-pse(@.*)?$"
changes v5:
- rename to podl-pse-regulator.yaml
- remove compatible description
- remove "-1" on node name
- add pse-controller.yaml for common properties
changes v4:
- rename to PSE regulator
- drop currently unused properties
- use own compatible for PoDL PSE
changes v2:
- rename compatible to more generic "ieee802.3-pse"
- add class and type properties for PoDL and PoE variants
- add pairs property
---
 .../net/pse-pd/podl-pse-regulator.yaml        | 40 +++++++++++++++++++
 .../bindings/net/pse-pd/pse-controller.yaml   | 33 +++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/pse-pd/podl-pse-regulator.yaml
 create mode 100644 Documentation/devicetree/bindings/net/pse-pd/pse-controller.yaml

diff --git a/Documentation/devicetree/bindings/net/pse-pd/podl-pse-regulator.yaml b/Documentation/devicetree/bindings/net/pse-pd/podl-pse-regulator.yaml
new file mode 100644
index 000000000000..c6b1c188abf7
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/pse-pd/podl-pse-regulator.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/pse-pd/podl-pse-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Regulator based Power Sourcing Equipment
+
+maintainers:
+  - Oleksij Rempel <o.rempel@...gutronix.de>
+
+description: Regulator based PoDL PSE controller. The device must be referenced
+  by the PHY node to control power injection to the Ethernet cable.
+
+allOf:
+  - $ref: "pse-controller.yaml#"
+
+properties:
+  compatible:
+    const: podl-pse-regulator
+
+  '#pse-cells':
+    const: 0
+
+  pse-supply:
+    description: Power supply for the PSE controller
+
+additionalProperties: false
+
+required:
+  - compatible
+  - pse-supply
+
+examples:
+  - |
+    ethernet-pse {
+      compatible = "podl-pse-regulator";
+      pse-supply = <&reg_t1l1>;
+      #pse-cells = <0>;
+    };
diff --git a/Documentation/devicetree/bindings/net/pse-pd/pse-controller.yaml b/Documentation/devicetree/bindings/net/pse-pd/pse-controller.yaml
new file mode 100644
index 000000000000..b110abb42597
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/pse-pd/pse-controller.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/pse-pd/pse-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Power Sourcing Equipment (PSE).
+
+description: Binding for the Power Sourcing Equipment (PSE) as defined in the
+  IEEE 802.3 specification. It is designed for hardware which is delivering
+  power over twisted pair/ethernet cable. The ethernet-pse nodes should be
+  used to describe PSE controller and referenced by the ethernet-phy node.
+
+maintainers:
+  - Oleksij Rempel <o.rempel@...gutronix.de>
+
+properties:
+  $nodename:
+    pattern: "^ethernet-pse(@.*)?$"
+
+  "#pse-cells":
+    description:
+      Used to uniquely identify a PSE instance within an IC. Will be
+      0 on PSE nodes with only a single output and at least 1 on nodes
+      controlling several outputs.
+    enum: [0, 1]
+
+required:
+  - "#pse-cells"
+
+additionalProperties: true
+
+...
-- 
2.30.2

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