regulator: dt-bindings: nxp,pf530x: Add NXP PF5300/PF5301/PF5302 PMICs

Bindings for the pf530x series of voltage regulators

Signed-off-by: Woodrow Douglass <wdouglass@carnegierobotics.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-ID: <20250902-pf530x-v7-1-10eb2542f944@carnegierobotics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/regulator/nxp,pf5300.yaml

@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/nxp,pf5300.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP PF5300/PF5301/PF5302 PMIC regulators
+
+maintainers:
+  - Woodrow Douglass <wdouglass@carnegierobotics.com>
+
+description: |
+  The PF5300, PF5301, and PF5302 integrate high-performance buck converters,
+  12 A, 8 A, and 15 A, respectively, to power high-end automotive and industrial
+  processors. With adaptive voltage positioning and a high-bandwidth loop, they
+  offer transient regulation to minimize capacitor requirements.
+
+allOf:
+  - $ref: regulator.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: nxp,pf5300
+      - items:
+          - enum:
+              - nxp,pf5301
+              - nxp,pf5302
+          - const: nxp,pf5300
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        regulator@28 {
+            compatible = "nxp,pf5302", "nxp,pf5300";
+            reg = <0x28>;
+
+            regulator-always-on;
+            regulator-boot-on;
+            regulator-max-microvolt = <1200000>;
+            regulator-min-microvolt = <500000>;
+        };
+    };