dt-bindings: power: supply: Add TI TWL603X charger

Use a fallback compatible since for especially for generic
defensive setup of parameters, both 6030 and 6032 are the same and
U-Boot actually uses a generic 6030/32 function to enable the
charger.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241016080314.222674-2-andreas@kemnade.info
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Documentation/devicetree/bindings/power/supply/ti,twl6030-charger.yaml

@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/power/supply/ti,twl6030-charger.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TWL6030/32 BCI (Battery Charger Interface)
+
+description:
+  The battery charger needs to be configured to do any charging besides of
+  precharging. The GPADC in the PMIC has to be used to get the related
+  voltages.
+
+maintainers:
+  - Andreas Kemnade <andreas@kemnade.info>
+
+allOf:
+  - $ref: power-supply.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - const: ti,twl6030-charger
+      - items:
+          - const: ti,twl6032-charger
+          - const: ti,twl6030-charger
+
+  interrupts:
+    items:
+      - description: Charger Control Interrupt
+      - description: Charger Fault Interrupt
+
+  io-channels:
+    items:
+      - description: VBUS Voltage Channel
+
+  io-channel-names:
+    items:
+      - const: vusb
+
+  monitored-battery: true
+
+required:
+  - compatible
+  - interrupts
+  - monitored-battery
+
+additionalProperties: false