drivers: gpio: split up driver for TLE9104 into a MFD

Split up the driver for the power train switch TLE9104 into a
MFD and GPIO.

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

dts/bindings/gpio/infineon,tle9104-gpio.yaml

@@ -0,0 +1,27 @@
+#
+# Copyright (c) 2024 SILA Embedded Solutions GmbH
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: Infineon TLE9104 4-channel powertrain switch GPIO instance
+
+compatible: "infineon,tle9104-gpio"
+
+include: gpio-controller.yaml
+
+on-bus: tle9104
+
+properties:
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    type: int
+    required: true
+    const: 4
+    description: Number of GPIOs supported
+
+gpio-cells:
+  - pin
+  - flags

dts/bindings/gpio/infineon,tle9104.yaml

@@ -1,49 +0,0 @@
-#
-# 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
-    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

dts/bindings/mfd/infineon,tle9104.yaml

@@ -0,0 +1,78 @@
+#
+# Copyright (c) 2024 SILA Embedded Solutions GmbH
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: Infineon TLE9104 4-channel powertrain switch
+
+compatible: "infineon,tle9104"
+
+include: spi-device.yaml
+
+bus: tle9104
+
+properties:
+  en-gpios:
+    type: phandle-array
+    description: "GPIO for enable"
+
+  resn-gpios:
+    type: phandle-array
+    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"
+
+  diagnostic-filter-time:
+    type: int
+    default: 500
+    enum:
+      - 200
+      - 500
+      - 1000
+      - 2000
+    description:
+      diagnostic filter time in us,
+      default matches power on reset value
+
+  overcurrent-shutdown-delay-time:
+    type: int
+    default: 60
+    enum:
+      - 60
+      - 120
+      - 500
+      - 1000
+      - 5000
+      - 10000
+      - 20000
+      - 30000
+    description:
+      overcurrent shutdown delay time in us,
+      default matches power on reset value
+
+  overcurrent-shutdown-threshold:
+    type: int
+    default: 2000
+    enum:
+      - 1000
+      - 2000
+      - 3000
+      - 4000
+    description:
+      overcurrent shutdown threshold in mA,
+      default matches power on reset value