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leonrinkelleonrinkel
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boards: adafruit: add initial support for esp32s3 feather
The Adafruit Feather ESP32S3 is a development board in the Feather standard layout, sharing peripheral placement with other devices labeled as Feathers or FeatherWings. The board is equipped with an ESP32-S3 mini module, a lithium ion battery charger and a USB-C connector. Signed-off-by: Leon Rinkel <[email protected]>
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‎boards/adafruit/feather_esp32s3/Kconfig‎

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# Adafruit Feather ESP32-S3 board configuration
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# Copyright (c) 2024 Espressif Systems (Shanghai) Co., Ltd.
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# Copyright (c) 2024 Leon Rinkel <[email protected]>
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# SPDX-License-Identifier: Apache-2.0
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config HEAP_MEM_POOL_ADD_SIZE_BOARD
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int
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default 4096 if BOARD_ADAFRUIT_FEATHER_ESP32S3_ESP32S3_PROCPU
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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.
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# Copyright (c) 2024 Leon Rinkel <[email protected]>
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_ADAFRUIT_FEATHER_ESP32S3
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select SOC_ESP32S3_WROOM_N8
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select SOC_ESP32S3_PROCPU if BOARD_ADAFRUIT_FEATHER_ESP32S3_ESP32S3_PROCPU
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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.
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# SPDX-License-Identifier: Apache-2.0
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choice BOOTLOADER
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default BOOTLOADER_MCUBOOT
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endchoice
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choice BOOT_SIGNATURE_TYPE
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default BOOT_SIGNATURE_TYPE_NONE
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endchoice

‎boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3-pinctrl.dtsi‎

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

‎boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_appcpu.dts‎

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

‎boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_appcpu.yaml‎

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

‎boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_appcpu_defconfig‎

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

‎boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_procpu.dts‎

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

‎boards/adafruit/feather_esp32s3/adafruit_feather_esp32s3_procpu.yaml‎

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

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