dt-bindings: power: supply: add maxim,max77705 charger

Add maxim,max77705 charger binding.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20250123-starqltechn_integration_upstream-v17-1-8b06685b6612@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>

Documentation/devicetree/bindings/power/supply/maxim,max77705.yaml

@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/maxim,max77705.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX777705 charger
+
+maintainers:
+  - Dzmitry Sankouski <dsankouski@gmail.com>
+
+description: |
+  This is a device tree bindings for charger found in Maxim MAX77705 chip.
+
+allOf:
+  - $ref: power-supply.yaml#
+
+properties:
+  compatible:
+    const: maxim,max77705-charger
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - monitored-battery
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+        charger@69 {
+            compatible = "maxim,max77705-charger";
+            reg = <0x69>;
+            monitored-battery = <&battery>;
+            interrupt-parent = <&pm8998_gpios>;
+            interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+        };
+    };