dt-bindings: hwmon/pmbus: Add ti,lm25066 power-management IC

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210928092242.30036-9-zev@bewilderbeest.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/ti,lm25066.yaml
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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/pmbus/ti,lm25066.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: National Semiconductor/Texas Instruments LM250x6/LM506x power-management ICs
+
+maintainers:
+  - Zev Weiss <zev@bewilderbeest.net>
+
+description: |
+  The LM25066 family of power-management ICs (a.k.a. hot-swap
+  controllers or eFuses in various contexts) are PMBus devices that
+  offer temperature, current, voltage, and power monitoring.
+
+  Datasheet: https://www.ti.com/lit/ds/symlink/lm25066.pdf
+
+properties:
+  compatible:
+    enum:
+      - ti,lm25056
+      - ti,lm25066
+      - ti,lm5064
+      - ti,lm5066
+      - ti,lm5066i
+
+  reg:
+    maxItems: 1
+
+  shunt-resistor-micro-ohms:
+    description:
+      Shunt (sense) resistor value in micro-Ohms
+    default: 1000
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic@40 {
+            compatible = "ti,lm25066";
+            reg = <0x40>;
+            shunt-resistor-micro-ohms = <675>;
+        };
+    };