tests: drivers: esp32h2: Add config

Add test config for the following drivers:

- ADC
- CAN
- LEDC PWM
- MCPWM
- SPI
- DMA

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

Author: Raffael Rostagno

tests/drivers/adc/adc_api/socs/esp32h2.conf

@@ -0,0 +1 @@
+CONFIG_ADC_ASYNC=n

tests/drivers/adc/adc_api/socs/esp32h2.overlay

@@ -0,0 +1,34 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ */
+
+/ {
+	zephyr,user {
+		/* adjust channel number according to pinmux in board.dts */
+		io-channels = <&adc0 2>, <&adc0 3>;
+	};
+};
+
+&adc0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	channel@2 {
+		reg = <2>;
+		zephyr,gain = "ADC_GAIN_1_4";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+
+	channel@3 {
+		reg = <3>;
+		zephyr,gain = "ADC_GAIN_1_4";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};

tests/drivers/can/api/testcase.yaml

@@ -17,6 +17,7 @@ tests:
     platform_allow:
       - esp32s3_devkitm/esp32s3/procpu
       - xiao_esp32s3/esp32s3/procpu
+      - esp32h2_devkitm
   drivers.can.api.nxp_s32_canxl.non_rx_fifo:
     extra_configs:
       - CONFIG_CAN_NXP_S32_RX_FIFO=n

tests/drivers/dma/loop_transfer/socs/esp32h2.conf

@@ -0,0 +1,2 @@
+CONFIG_DMA_LOOP_TRANSFER_CHANNEL_NR=0
+CONFIG_DMA_LOOP_TRANSFER_SIZE=4094

tests/drivers/dma/loop_transfer/socs/esp32h2.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dma {
+	status = "okay";
+};
+
+tst_dma0: &dma { };

tests/drivers/pwm/pwm_gpio_loopback/socs/esp32h2.overlay

@@ -0,0 +1,48 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ */
+
+#include <zephyr/dt-bindings/pwm/pwm.h>
+#include <zephyr/dt-bindings/gpio/gpio.h>
+#include <zephyr/dt-bindings/gpio/espressif-esp32-gpio.h>
+
+/ {
+	zephyr,user {
+		/* GPIO input pins order must match PWM pinctrl config */
+		gpios = <&gpio0 2 ESP32_GPIO_PIN_OUT_EN>,
+			<&gpio0 3 ESP32_GPIO_PIN_OUT_EN>;
+
+		pwms = <&ledc0 0 160000 PWM_POLARITY_NORMAL>,
+			<&ledc0 5 80000 PWM_POLARITY_INVERTED>;
+	};
+};
+
+&pinctrl {
+	ledc0_default: ledc0_default {
+		group1 {
+			pinmux = <LEDC_CH0_GPIO2>,
+				<LEDC_CH5_GPIO3>;
+			input-enable;
+		};
+	};
+};
+
+&ledc0 {
+	pinctrl-0 = <&ledc0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	channel0@0 {
+		reg = <0x0>;
+		timer = <0>;
+	};
+
+	channel5@5 {
+		reg = <0x5>;
+		timer = <1>;
+	};
+};

tests/drivers/pwm/pwm_loopback/socs/esp32h2.overlay

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2025 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pwm/pwm.h>
+
+/ {
+	pwm_loopback_0 {
+		compatible = "test-pwm-loopback";
+		/* first index must be a 32-Bit timer */
+		pwms = <&mcpwm0 0 0 PWM_POLARITY_NORMAL>,
+		       <&mcpwm0 6 0 PWM_POLARITY_NORMAL>;
+	};
+};
+
+&pinctrl {
+	mcpwm0_default: mcpwm0_default {
+		group1 {
+			pinmux = <MCPWM0_OUT0A_GPIO2>;
+			input-enable;
+		};
+		group2 {
+			pinmux = <MCPWM0_CAP0_GPIO2>;
+			output-enable;
+		};
+	};
+};
+
+&mcpwm0 {
+	pinctrl-0 = <&mcpwm0_default>;
+	pinctrl-names = "default";
+	prescale = <220>;
+	prescale-timer0 = <103>;
+	status = "okay";
+};