boards: adafruit: add initial support for esp32s3 feather

boards/adafruit/feather_esp32s3/Kconfig

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+# Adafruit Feather ESP32-S3 board configuration
+
+# Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+# Copyright (c) 2024 Leon Rinkel <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+config HEAP_MEM_POOL_ADD_SIZE_BOARD
+	int
+	default 4096 if BOARD_ADAFRUIT_FEATHER_ESP32S3_ESP32S3_PROCPU
+	default 256 if BOARD_ADAFRUIT_FEATHER_ESP32S3_ESP32S3_APPCPU

boards/adafruit/feather_esp32s3/Kconfig.adafruit_feather_esp32s3

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+# Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+# Copyright (c) 2024 Leon Rinkel <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_ADAFRUIT_FEATHER_ESP32S3
+	select SOC_ESP32S3_WROOM_N8
+	select SOC_ESP32S3_PROCPU if BOARD_ADAFRUIT_FEATHER_ESP32S3_ESP32S3_PROCPU
+	select SOC_ESP32S3_APPCPU if BOARD_ADAFRUIT_FEATHER_ESP32S3_ESP32S3_APPCPU

boards/adafruit/feather_esp32s3/Kconfig.sysbuild

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+# Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+# SPDX-License-Identifier: Apache-2.0
+
+choice BOOTLOADER
+	default BOOTLOADER_MCUBOOT
+endchoice
+
+choice BOOT_SIGNATURE_TYPE
+	default BOOT_SIGNATURE_TYPE_NONE
+endchoice

boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3-pinctrl.dtsi

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+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ * Copyright (c) 2024 Leon Rinkel <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h>
+#include <dt-bindings/pinctrl/esp32s3-pinctrl.h>
+#include <zephyr/dt-bindings/pinctrl/esp32s3-gpio-sigmap.h>
+
+&pinctrl {
+	uart0_default: uart0_default {
+		group1 {
+			pinmux = <UART0_TX_GPIO43>;
+			output-high;
+		};
+		group2 {
+			pinmux = <UART0_RX_GPIO44>;
+			bias-pull-up;
+		};
+	};
+
+	uart1_default: uart1_default {
+		group1 {
+			pinmux = <UART1_TX_GPIO39>;
+			output-high;
+		};
+		group2 {
+			pinmux = <UART1_RX_GPIO38>;
+			bias-pull-up;
+		};
+	};
+
+	i2c0_default: i2c0_default {
+		group1 {
+			pinmux = <I2C0_SDA_GPIO3>,
+				 <I2C0_SCL_GPIO4>;
+			drive-open-drain;
+			output-high;
+		};
+	};
+
+	spim2_default: spim2_default {
+		group1 {
+			pinmux = <SPIM2_MISO_GPIO37>,
+				 <SPIM2_SCLK_GPIO36>,
+				 <SPIM2_CSEL_GPIO10>;
+		};
+		group2 {
+			pinmux = <SPIM2_MOSI_GPIO35>;
+			output-low;
+		};
+	};
+
+	spim3_default: spim3_default {
+		group1 {
+			pinmux = <SPIM3_MOSI_GPIO33>;
+		};
+	};
+
+	twai_default: twai_default {
+		group1 {
+			pinmux = <TWAI_TX_GPIO5>,
+				 <TWAI_RX_GPIO6>;
+		};
+	};
+};

boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_appcpu.dts

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+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ * Copyright (c) 2024 Leon Rinkel <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/dts-v1/;
+
+#include <espressif/esp32s3/esp32s3_wroom_n8.dtsi>
+#include <espressif/partitions_0x0_amp.dtsi>
+#include "adafruit_feather_esp32s3-pinctrl.dtsi"
+
+/ {
+	model = "Adafruit Feather ESP32S3 APPCPU";
+	compatible = "adafruit,feather_esp32s3", "espressif,esp32s3";
+
+	chosen {
+		zephyr,sram = &sram1;
+		zephyr,ipc_shm = &shm0;
+		zephyr,ipc = &ipm0;
+		zephyr,flash = &flash0;
+		zephyr,code-partition = &slot0_appcpu_partition;
+	};
+};
+
+&trng0 {
+	status = "okay";
+};
+
+&ipm0 {
+	status = "okay";
+};

boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_appcpu.yaml

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+identifier: adafruit_feather_esp32s3/esp32s3/appcpu
+name: Adafruit Feather ESP32-S3 APPCPU
+type: mcu
+arch: xtensa
+toolchain:
+  - zephyr
+supported:
+  - uart
+testing:
+  ignore_tags:
+    - net
+    - bluetooth
+    - flash
+    - cpp
+    - posix
+    - watchdog
+    - logging
+    - kernel
+    - pm
+    - gpio
+    - crypto
+    - eeprom
+    - heap
+    - cmsis_rtos
+    - jwt
+    - zdsp
+vendor: adafruit

boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_appcpu_defconfig

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+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_MAIN_STACK_SIZE=2048
+CONFIG_CLOCK_CONTROL=y

boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_procpu.dts

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+/*
+ * Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
+ * Copyright (c) 2024 Leon Rinkel <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+/dts-v1/;
+
+#include <espressif/esp32s3/esp32s3_wroom_n8.dtsi>
+#include <espressif/partitions_0x0_amp.dtsi>
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+#include <zephyr/dt-bindings/input/esp32-touch-sensor-input.h>
+#include <zephyr/dt-bindings/led/led.h>
+#include "feather_connector.dtsi"
+#include "adafruit_feather_esp32s3-pinctrl.dtsi"
+
+/ {
+	model = "Adafruit Feather ESP32S3 PROCPU";
+	compatible = "adafruit,feather_esp32s3", "espressif,esp32s3";
+
+	aliases {
+		i2c-0 = &i2c0;
+		watchdog0 = &wdt0;
+	};
+
+	chosen {
+		zephyr,sram = &sram1;
+		zephyr,console = &uart0;
+		zephyr,shell-uart = &uart0;
+		zephyr,flash = &flash0;
+		zephyr,code-partition = &slot0_partition;
+		zephyr,bt-hci = &esp32_bt_hci;
+	};
+
+	/* These aliases are provided for compatibility with samples */
+	aliases {
+		uart-0 = &uart0;
+		sw0 = &button0;
+		led0 = &led0;
+		led-strip = &led_strip;
+	};
+
+	buttons {
+		compatible = "gpio-keys";
+		button0: button_0 {
+			gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "BOOT Button";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led0: led_0 {
+			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	/*
+	 * The neopixel on this board has its positive side hooked up to a GPIO
+	 * pin rather than a positive voltage rail to save on power.
+	 */
+	neopixel_pwr: neopixel_pwr {
+		compatible = "power-domain-gpio";
+		#power-domain-cells = <0>;
+		enable-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+	};
+
+	/*
+	 * On-board regulator powers I2C pull-ups and external devices connected
+	 * via the STEMMA QT connector.
+	 */
+	i2c_reg: i2c_reg {
+		compatible = "power-domain-gpio";
+		#power-domain-cells = <0>;
+		enable-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&usb_serial {
+	status = "disabled";
+};
+
+&uart0 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&uart0_default>;
+	pinctrl-names = "default";
+};
+
+&uart1 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&uart1_default>;
+	pinctrl-names = "default";
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&touch {
+	debounce-interval-ms = <30>;
+	href-microvolt = <2700000>;
+	lref-microvolt = <500000>;
+	href-atten-microvolt = <1000000>;
+	filter-mode = <ESP32_TOUCH_FILTER_MODE_IIR_16>;
+	filter-debounce-cnt = <1>;
+	filter-noise-thr = <ESP32_TOUCH_FILTER_NOISE_THR_4_8TH>;
+	filter-jitter-step = <4>;
+	filter-smooth-level = <ESP32_TOUCH_FILTER_SMOOTH_MODE_IIR_2>;
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+	pinctrl-0 = <&i2c0_default>;
+	pinctrl-names = "default";
+
+	max17048: max17048@36 {
+		compatible = "maxim,max17048";
+		status = "okay";
+		reg = <0x36>;
+
+		/*
+		 * The MAX17048 itself is directly powered by the battery, not
+		 * through the on-board regulator. However using this device
+		 * requires I2C pull-ups powered by the regulator.
+		 */
+		power-domains = <&i2c_reg>;
+	};
+};
+
+&spi2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	pinctrl-0 = <&spim2_default>;
+	pinctrl-names = "default";
+};
+
+&spi3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	pinctrl-0 = <&spim3_default>;
+	pinctrl-names = "default";
+
+	/* Workaround to support WS2812 driver */
+	line-idle-low;
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+		power-domains = <&neopixel_pwr>;
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <6400000>;
+
+		/* WS2812 */
+		chain-length = <1>;
+		spi-cpha;
+		spi-one-frame = <0xf0>;  /* 625 ns high and 625 ns low */
+		spi-zero-frame = <0xc0>; /* 312.5 ns high and 937.5 ns low */
+		color-mapping = <LED_COLOR_ID_GREEN
+				 LED_COLOR_ID_RED
+				 LED_COLOR_ID_BLUE>;
+	};
+};
+
+&twai {
+	pinctrl-0 = <&twai_default>;
+	pinctrl-names = "default";
+};
+
+&timer0 {
+	status = "disabled";
+};
+
+&timer1 {
+	status = "disabled";
+};
+
+&timer2 {
+	status = "disabled";
+};
+
+&timer3 {
+	status = "disabled";
+};
+
+&wdt0 {
+	status = "okay";
+};
+
+&trng0 {
+	status = "okay";
+};
+
+&esp32_bt_hci {
+	status = "okay";
+};

boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_procpu.yaml

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+identifier: adafruit_feather_esp32s3/esp32s3/procpu
+name: Adafruit Feather ESP32-S3 PROCPU
+type: mcu
+arch: xtensa
+toolchain:
+  - zephyr
+supported:
+  - gpio
+  - uart
+  - i2c
+  - spi
+  - can
+  - counter
+  - watchdog
+  - entropy
+  - pwm
+  - dma
+  - input
+  - feather_serial
+  - feather_i2c
+  - feather_spi
+vendor: adafruit