new file mode 100644
@@ -0,0 +1,111 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/pse-pd/ti,tps23881.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI TPS23881 Power Sourcing Equipment controller
+
+maintainers:
+ - Kory Maincent <kory.maincent@bootlin.com>
+
+allOf:
+ - $ref: pse-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - ti,tps23881
+
+ reg:
+ maxItems: 1
+
+ '#pse-cells':
+ const: 1
+
+ channels:
+ description: each set of 8 ports can be assigned to one physical
+ channels or two for PoE4. This parameter describes the configuration
+ of the ports conversion matrix that establishes relationship between
+ the logical ports and the physical channels.
+ type: object
+
+ patternProperties:
+ '^channel@[0-7]$':
+ type: object
+ required:
+ - reg
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethernet-pse@20 {
+ compatible = "ti,tps23881";
+ reg = <0x20>;
+
+ channels {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phys0: channel@0 {
+ reg = <0>;
+ };
+
+ phys1: channel@1 {
+ reg = <1>;
+ };
+
+ phys2: channel@2 {
+ reg = <2>;
+ };
+
+ phys3: channel@3 {
+ reg = <3>;
+ };
+
+ phys4: channel@4 {
+ reg = <4>;
+ };
+
+ phys5: channel@5 {
+ reg = <5>;
+ };
+
+ phys6: channel@6 {
+ reg = <6>;
+ };
+
+ phys7: channel@7 {
+ reg = <7>;
+ };
+ };
+
+ pse_pis {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pse_pi0: pse_pi@0 {
+ reg = <0>;
+ #pse-cells = <0>;
+ pairset-names = "alternative-a", "alternative-b";
+ pairsets = <&phys0>, <&phys1>;
+ };
+
+ pse_pi1: pse_pi@1 {
+ reg = <1>;
+ #pse-cells = <0>;
+ pairset-names = "alternative-a";
+ pairsets = <&phys2>;
+ };
+ };
+ };
+ };
Add the TPS23881 I2C Power Sourcing Equipment controller device tree bindings documentation. This patch is sponsored by Dent Project <dentproject@linuxfoundation.org>. Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> --- Change in v3: - New patch. Change in v4: - Rename the file to ti,tps23881 as it support only this version of the PSE controller. --- .../bindings/net/pse-pd/ti,tps23881.yaml | 111 +++++++++++++++++++++ 1 file changed, 111 insertions(+)