dts: bindings: gpio: add TLE9104

Add binding for the powertrain switch TLE9104.

Signed-off-by: Benedikt Schmidt <benedikt.schmidt@embedded-solutions.at>

dts/bindings/gpio/infineon,tle9104.yaml

@@ -0,0 +1,50 @@
+#
+# Copyright (c) 2023 SILA Embedded Solutions GmbH
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: Infineon TLE9104 4-channel powertrain switch
+
+compatible: "infineon,tle9104"
+
+include: [gpio-controller.yaml, spi-device.yaml]
+
+properties:
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    type: int
+    required: true
+    const: 4
+    description: Number of GPIOs supported
+
+  en-gpios:
+    type: phandle-array
+    description: "GPIO for enable"
+
+  resn-gpios:
+    type: phandle-array
+    required: true
+    description: "GPIO for reset"
+
+  in1-gpios:
+    type: phandle-array
+    description: "GPIO for controlling OUT1"
+
+  in2-gpios:
+    type: phandle-array
+    description: "GPIO for controlling OUT2"
+
+  in3-gpios:
+    type: phandle-array
+    description: "GPIO for controlling OUT3"
+
+  in4-gpios:
+    type: phandle-array
+    description: "GPIO for controlling OUT4"
+
+gpio-cells:
+  - pin
+  - flags