drivers: sensor: esp32: pcnt driver

Add new pcnt peripheral driver.

Signed-off-by: Lucas Tamborrino <[email protected]>

Author: LucasTambor

drivers/sensor/CMakeLists.txt

@@ -108,6 +108,7 @@ add_subdirectory_ifdef(CONFIG_TACH_NPCX		nuvoton_tach_npcx)
 add_subdirectory_ifdef(CONFIG_ADC_CMP_NPCX	nuvoton_adc_cmp_npcx)
 add_subdirectory_ifdef(CONFIG_TACH_IT8XXX2	ite_tach_it8xxx2)
 add_subdirectory_ifdef(CONFIG_VCMP_IT8XXX2	ite_vcmp_it8xxx2)
+add_subdirectory_ifdef(CONFIG_PCNT_ESP32	pcnt_esp32)
 
 if(CONFIG_USERSPACE OR CONFIG_SENSOR_SHELL OR CONFIG_SENSOR_SHELL_BATTERY)
 # The above if() is needed or else CMake would complain about

drivers/sensor/Kconfig

@@ -252,4 +252,6 @@ source "drivers/sensor/ite_tach_it8xxx2/Kconfig"
 
 source "drivers/sensor/ite_vcmp_it8xxx2/Kconfig"
 
+source "drivers/sensor/pcnt_esp32/Kconfig"
+
 endif # SENSOR

drivers/sensor/pcnt_esp32/CMakeLists.txt

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library()
+
+zephyr_library_sources_ifdef(CONFIG_PCNT_ESP32 pcnt_esp32.c)

drivers/sensor/pcnt_esp32/Kconfig

@@ -0,0 +1,19 @@
+# ESP32 Pulse Counter configuration
+
+# Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
+# SPDX-License-Identifier: Apache-2.0
+
+config PCNT_ESP32
+	bool "ESP32 Pulse Counter driver"
+	default y
+	depends on DT_HAS_ESPRESSIF_ESP32_PCNT_ENABLED
+	help
+	  This option enables the PCNT driver for ESP32 family of
+	  processors.
+
+config PCNT_ESP32_TRIGGER
+	bool "Trigger support"
+	depends on PCNT_ESP32
+	default y
+	help
+	  Enable trigger support for the PCNT.