dt-bindings: gpio: Convert ti,twl4030-gpio to DT schema

Convert the TI TWL4030 PMIC GPIO binding to DT schema format. The number
of #interrupt-cells was wrong compared to what is in use. Correct it to
be 1.

Reviewed-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250714202829.3011298-1-robh@kernel.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Author: robherring

Documentation/devicetree/bindings/gpio/gpio-twl4030.txt

@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ti,twl4030-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI TWL4030 GPIO controller
+
+maintainers:
+  - Aaro Koskinen <aaro.koskinen@iki.fi>
+  - Andreas Kemnade <andreas@kemnade.info>
+  - Kevin Hilman <khilman@baylibre.com>
+  - Roger Quadros <rogerq@kernel.org>
+  - Tony Lindgren <tony@atomide.com>
+
+properties:
+  compatible:
+    const: ti,twl4030-gpio
+
+  '#gpio-cells':
+    const: 2
+
+  gpio-controller: true
+
+  '#interrupt-cells':
+    const: 1
+
+  interrupt-controller: true
+
+  ti,debounce:
+    description: Debounce control bits. Each bit corresponds to a GPIO pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  ti,mmc-cd:
+    description: MMC card detect control bits. Each bit corresponds to a GPIO pin for VMMC(n+1).
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  ti,pullups:
+    description: Pull-up control bits. Each bit corresponds to a GPIO pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  ti,pulldowns:
+    description: Pull-down control bits. Each bit corresponds to a GPIO pin.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  ti,use-leds:
+    type: boolean
+    description: Enables LEDA and LEDB outputs if set
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio {
+        compatible = "ti,twl4030-gpio";
+        #gpio-cells = <2>;
+        gpio-controller;
+        #interrupt-cells = <1>;
+        interrupt-controller;
+        ti,use-leds;
+    };