Create Zephyr workspace app

dts/bindings/blink/blink-gpio-leds.yaml

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+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+description: |
+  A generic binding for a GPIO-controlled blinking LED. Note that this binding
+  has no vendor prefix, as it does not target a specific device or vendor.
+
+  Example definition in devicetree:
+
+    blink-gpio-led {
+        compatible = "blink-gpio-led";
+        led-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+        blink-period-ms = <1000>;
+    };
+
+compatible: "blink-gpio-led"
+
+include: base.yaml
+
+properties:
+  led-gpios:
+    type: phandle-array
+    required: true
+    description: GPIO-controlled LED.
+
+  blink-period-ms:
+    type: int
+    description: Initial blinking period in milliseconds.

dts/bindings/sensor/zephyr,example-sensor.yaml

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+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+description: |
+  An example sensor that reads the GPIO level defined in input-gpios. The
+  purpose of this sensor is to demonstrate how to create out-of-tree drivers.
+
+  Example definition in devicetree:
+
+    example-sensor {
+        compatible = "zephyr,example-sensor";
+        input-gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+    };
+
+compatible: "zephyr,example-sensor"
+
+include: base.yaml
+
+properties:
+  input-gpios:
+    type: phandle-array
+    required: true
+    description: Input GPIO to be sensed.