tests: esp32c3: Add USB variant

Add USB variant config files for esp32c3 boards.

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

tests/boards/espressif/wifi/socs/esp32c3_usb.overlay

@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&wifi {
+	status = "okay";
+};

tests/drivers/adc/adc_api/socs/esp32c3_usb.conf

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

tests/drivers/adc/adc_api/socs/esp32c3_usb.overlay

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2022 Wolter HV <[email protected]>
+ * Copyright (c) 2023 Benjamin Björnsson <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	zephyr,user {
+		/* adjust channel number according to pinmux in board.dts */
+		io-channels = <&adc0 0>, <&adc0 1>;
+	};
+};
+
+&adc0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	channel@0 {
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+
+	channel@1 {
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};

tests/drivers/counter/counter_basic_api/socs/esp32c3_usb.overlay

@@ -0,0 +1,7 @@
+&timer0 {
+	status = "okay";
+};
+
+&rtc {
+	slow-clk-src = <ESP32_RTC_SLOW_CLK_SRC_RC_FAST_D256>;
+};

tests/drivers/dma/chan_blen_transfer/socs/esp32c3_usb.conf

@@ -0,0 +1,3 @@
+CONFIG_DMA_TRANSFER_CHANNEL_NR_0=5
+CONFIG_DMA_TRANSFER_CHANNEL_NR_1=0
+CONFIG_HEAP_MEM_POOL_SIZE=32768

tests/drivers/dma/chan_blen_transfer/socs/esp32c3_usb.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dma {
+	status = "okay";
+};
+
+tst_dma0: &dma { };

tests/drivers/dma/loop_transfer/socs/esp32c3_usb.conf

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

tests/drivers/dma/loop_transfer/socs/esp32c3_usb.overlay

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&dma {
+	status = "okay";
+};
+
+tst_dma0: &dma { };

tests/drivers/flash/common/socs/esp32c3_usb.conf

@@ -0,0 +1 @@
+CONFIG_HEAP_MEM_POOL_SIZE=16384

tests/drivers/gpio/gpio_basic_api/socs/esp32c3_usb.overlay

@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	resources {
+		compatible = "test-gpio-basic-api";
+		out-gpios = <&gpio0 4 0>;
+		in-gpios = <&gpio0 5 0>;
+	};
+};

tests/drivers/pwm/pwm_api/socs/esp32c3_usb.overlay

@@ -0,0 +1,34 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ */
+
+#include <zephyr/dt-bindings/pwm/pwm.h>
+
+/ {
+	aliases {
+		pwm-0 = &ledc0;
+	};
+};
+
+&pinctrl {
+	ledc0_default: ledc0_default {
+		group1 {
+			pinmux = <LEDC_CH0_GPIO2>;
+			output-enable;
+		};
+	};
+};
+
+&ledc0 {
+	pinctrl-0 = <&ledc0_default>;
+	pinctrl-names = "default";
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	channel0@0 {
+		reg = <0x0>;
+		timer = <0>;
+	};
+};

tests/drivers/pwm/pwm_gpio_loopback/socs/esp32c3_usb.overlay

@@ -0,0 +1,48 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) 2024 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/spi/spi_loopback/socs/esp32c3_usb.conf

@@ -0,0 +1,2 @@
+CONFIG_SPI_ESP32_INTERRUPT=y
+CONFIG_HEAP_MEM_POOL_SIZE=32768

tests/drivers/spi/spi_loopback/socs/esp32c3_usb.overlay

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+	spim2_loopback: spim2_loopback {
+		group1 {
+			pinmux = <SPIM2_MISO_GPIO2>;
+			output-enable; /* Enable internal loopback */
+		};
+		group2 {
+			pinmux = <SPIM2_MOSI_GPIO2>;
+			input-enable; /* Enable internal loopback */
+		};
+		group3 {
+			pinmux = <SPIM2_SCLK_GPIO6>,
+				<SPIM2_CSEL_GPIO10>;
+		};
+	};
+};
+
+&spi2 {
+	slow@0 {
+		compatible = "test-spi-loopback-slow";
+		reg = <0>;
+		spi-max-frequency = <500000>;
+	};
+	fast@0 {
+		compatible = "test-spi-loopback-fast";
+		reg = <0>;
+		spi-max-frequency = <16000000>;
+	};
+};
+
+&spi2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	dma-enabled;
+	pinctrl-0 = <&spim2_loopback>;
+	pinctrl-names = "default";
+	status = "okay";
+};

tests/drivers/uart/uart_async_api/socs/esp32c3_usb.conf

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

tests/drivers/uart/uart_async_api/socs/esp32c3_usb.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>;
+			input-enable;
+		};
+		group2 {
+			pinmux = <UART1_RX_GPIO5>;
+			output-enable;
+		};
+	};
+};
+
+dut: &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_elementary/socs/esp32c3_usb.overlay

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+	uart1_test: uart1_test {
+		group1 {
+			pinmux = <UART1_TX_GPIO2>,
+				<UART1_RTS_GPIO3>;
+			input-enable;
+			output-high;
+		};
+		group2 {
+			pinmux = <UART1_RX_GPIO2>,
+				<UART1_CTS_GPIO3>;
+			output-enable;
+			bias-pull-up;
+		};
+	};
+};
+
+dut: &uart1 {
+	status = "okay";
+	pinctrl-0 = <&uart1_test>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+};