tests: drivers: uart: uart async: Add ESP32C3 support

Add ESP32C3 support for uart async api test

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

Author: LucasTambor

tests/drivers/uart/uart_async_api/boards/esp32c3_devkitm.conf

@@ -0,0 +1,2 @@
+CONFIG_HEAP_MEM_POOL_SIZE=32768
+CONFIG_DMA=y

tests/drivers/uart/uart_async_api/boards/esp32c3_devkitm.overlay

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2022 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+
+	uart1_test: uart1_test {
+		group1 {
+			pinmux = <UART1_TX_GPIO5>;
+		};
+		group2 {
+			pinmux = <UART1_RX_GPIO6>;
+			bias-pull-up;
+		};
+	};
+};
+
+&uart1 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&uart1_test>;
+	pinctrl-names = "default";
+	dmas = <&dma 0>, <&dma 1>;
+	dma-names = "rx", "tx";
+};
+
+&dma {
+	status = "okay";
+};

tests/drivers/uart/uart_async_api/testcase.yaml

@@ -2,7 +2,8 @@ common:
   platform_exclude: seeeduino_xiao serpente arduino_nano_33_iot atsamr21_xpro
     adafruit_itsybitsy_m4_express atsame54_xpro atsamd21_xpro adafruit_trinket_m0
     arduino_nano_33_iot arduino_zero atsamd21_xpro adafruit_feather_m0_basic_proto
-    adafruit_feather_m0_lora arduino_mkrzero atsaml21_xpro atsamr34_xpro
+    adafruit_feather_m0_lora arduino_mkrzero atsaml21_xpro atsamr34_xpro stamp_c3
+    xiao_esp32c3
   tags: drivers uart
 tests:
   drivers.uart.async_api: