drivers: uart: esp32c2: Add support

Add UART support to ESP32C2 and ESP8684

Signed-off-by: Raffael Rostagno <[email protected]>

Author: Raffael Rostagno

drivers/serial/uart_esp32.c

@@ -21,6 +21,10 @@
 #include <esp32s3/rom/ets_sys.h>
 #include <esp32s3/rom/gpio.h>
 #include <zephyr/dt-bindings/clock/esp32s3_clock.h>
+#elif defined(CONFIG_SOC_SERIES_ESP32C2)
+#include <esp32c2/rom/ets_sys.h>
+#include <esp32c2/rom/gpio.h>
+#include <zephyr/dt-bindings/clock/esp32c2_clock.h>
 #elif defined(CONFIG_SOC_SERIES_ESP32C3)
 #include <esp32c3/rom/ets_sys.h>
 #include <esp32c3/rom/gpio.h>
@@ -47,7 +51,9 @@
 #include <soc.h>
 #include <zephyr/drivers/uart.h>
 
-#if defined(CONFIG_SOC_SERIES_ESP32C3) || defined(CONFIG_SOC_SERIES_ESP32C6)
+#if defined(CONFIG_SOC_SERIES_ESP32C2) || \
+	defined(CONFIG_SOC_SERIES_ESP32C3) || \
+	defined(CONFIG_SOC_SERIES_ESP32C6)
 #include <zephyr/drivers/interrupt_controller/intc_esp32c3.h>
 #else
 #include <zephyr/drivers/interrupt_controller/intc_esp32.h>
@@ -61,7 +67,9 @@
 
 LOG_MODULE_REGISTER(uart_esp32, CONFIG_UART_LOG_LEVEL);
 
-#if defined(CONFIG_SOC_SERIES_ESP32C3) || defined(CONFIG_SOC_SERIES_ESP32C6)
+#if defined(CONFIG_SOC_SERIES_ESP32C2) || \
+	defined(CONFIG_SOC_SERIES_ESP32C3) || \
+	defined(CONFIG_SOC_SERIES_ESP32C6)
 #define ISR_HANDLER isr_handler_t
 #else
 #define ISR_HANDLER intr_handler_t