drivers: sensor: Add driver for MAX32664C

- Add DTS for MAX32664C
- Add driver for MAX32664C
- Add example for MAX32664C Heart rate measurement with Bluetooth
- Add private attributes and channels for health measurement

Closes: #93473

Signed-off-by: Daniel Kampert <DanielKampert@kampis-elektroecke.de>

Author: Kampi

drivers/sensor/adi/CMakeLists.txt

@@ -10,4 +10,5 @@ add_subdirectory_ifdef(CONFIG_ADXL345 adxl345)
 add_subdirectory_ifdef(CONFIG_ADXL362 adxl362)
 add_subdirectory_ifdef(CONFIG_ADXL367 adxl367)
 add_subdirectory_ifdef(CONFIG_ADXL372 adxl372)
+add_subdirectory_ifdef(CONFIG_SENSOR_MAX32664C max32664c)
 # zephyr-keep-sorted-stop

drivers/sensor/adi/Kconfig

@@ -10,4 +10,5 @@ source "drivers/sensor/adi/adxl345/Kconfig"
 source "drivers/sensor/adi/adxl362/Kconfig"
 source "drivers/sensor/adi/adxl367/Kconfig"
 source "drivers/sensor/adi/adxl372/Kconfig"
+source "drivers/sensor/adi/max32664c/Kconfig"
 # zephyr-keep-sorted-stop

drivers/sensor/adi/max32664c/CMakeLists.txt

@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library()
+
+zephyr_sources_ifdef(CONFIG_MAX32664C_USE_FIRMWARE_LOADER max32664c_bl.c)
+
+zephyr_sources_ifdef(CONFIG_MAX32664C_USE_INTERRUPT max32664c_interrupt.c)
+
+zephyr_sources_ifdef(CONFIG_SENSOR_MAX32664C max32664c.c
+                                             max32664c_worker.c
+                                             max32664c_init.c
+                                             max32664c_acc.c
+                                             )

drivers/sensor/adi/max32664c/Kconfig

@@ -0,0 +1,46 @@
+# Copyright(c) 2025, Daniel Kampert
+# SPDX-License-Identifier: Apache-2.0
+
+config SENSOR_MAX32664C
+	bool "MAX32664C Driver"
+	default y
+	depends on DT_HAS_MAXIM_MAX32664C_ENABLED
+	select I2C
+	help
+		Enable the driver for the MAX32664C biometric sensor hub.
+
+if SENSOR_MAX32664C
+config MAX32664C_USE_FIRMWARE_LOADER
+	bool "Use this option if you want to flash the sensor hub over the I2C firmware loader"
+
+config MAX32664C_USE_EXTERNAL_ACC
+	bool "Use this option if you want to use an external accelerometer"
+
+config MAX32664C_USE_EXTENDED_REPORTS
+	bool "Use this option if you want to use extended reports instead of the default reports"
+
+config MAX32664C_USE_STATIC_MEMORY
+	bool "Disable this option if the driver should use dynamic memory"
+	default y
+
+config MAX32664C_QUEUE_SIZE
+	int "Length of the message queue"
+	default 32
+
+config MAX32664C_SAMPLE_BUFFER_SIZE
+	depends on MAX32664C_USE_STATIC_MEMORY
+	int "Length of the sample buffer for the I2C reading thread"
+	default 64
+	help
+		This is the number of samples that will be read from the sensor hub in one go.
+		The maximum value is 64, but you can set it lower if you want to reduce memory usage.
+
+config MAX32664C_THREAD_STACK_SIZE
+	int "MAX32664C sample thread stack size"
+	default 4096
+
+config MAX32664C_USE_INTERRUPT
+	bool "Use this option if you want to use the MFIO interrupt support"
+	depends on GPIO
+endif
+