1 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/gpio_detection.h b/include/linux/gpio_detection.h
new file mode 100644
index 000000000000..57b2ff92bc50
--- /dev/null
+++ b/include/linux/gpio_detection.h
@@ -0,0 +1,51 @@
+/*
+ * include/linux/gpio_detection.h
+ *
+ * Platform data structure for GPIO detection driver
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#ifndef __GPIO_DETECTION_H
+#define __GPIO_DETECTION_H
+
+#define GPIO_EVENT		1
+
+/*
+ * gpio event
+ *  @val: 0 event active, 1 event over
+ *  @name: event name
+ */
+
+struct gpio_event {
+	int val;
+	const char *name;
+};
+
+#if IS_ENABLED(CONFIG_GPIO_DET)
+
+int gpio_det_register_notifier(struct notifier_block *nb);
+int gpio_det_unregister_notifier(struct notifier_block *nb);
+int gpio_det_notifier_call_chain(unsigned long val, void *v);
+
+#else
+
+static inline int gpio_det_register_notifier(struct notifier_block *nb)
+{
+	return -EINVAL;
+};
+
+static inline int gpio_det_unregister_notifier(struct notifier_block *nb)
+{
+	return -EINVAL;
+};
+
+static inline int gpio_det_notifier_call_chain(unsigned long val, void *v)
+{
+	return -EINVAL;
+};
+
+#endif
+
+#endif