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boards: add Arduino UNO Q
Uses an STM32U585 microcontroller. Some drivers will need to be developed (led matrix, internal RPC) Signed-off-by: Martino Facchin <[email protected]> Signed-off-by: Luca Burelli <[email protected]>
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‎boards/arduino/uno_q/Kconfig.arduino_uno_q‎

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# Copyright (c) 2025 Arduino SA
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_ARDUINO_UNO_Q
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select SOC_STM32U585XX

‎boards/arduino/uno_q/Kconfig.defconfig‎

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# Copyright (c) 2025 Arduino SA
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# SPDX-License-Identifier: Apache-2.0
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if BOARD_ARDUINO_UNO_Q
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config SPI_STM32_INTERRUPT
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default y
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depends on SPI
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endif # BOARD_ARDUINO_UNO_Q

‎boards/arduino/uno_q/arduino_r3_connector.dtsi‎

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/*
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* Copyright (c) 2025 Arduino SA
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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/gpio/arduino-header-r3.h>
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/ {
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arduino_header: connector {
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compatible = "arduino-header-r3";
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#gpio-cells = <2>;
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gpio-map-mask = <0xffffffff 0xffffffc0>;
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gpio-map-pass-thru = <0 0x3f>;
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gpio-map = <ARDUINO_HEADER_R3_A0 0 &gpioa 4 0>,
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<ARDUINO_HEADER_R3_A1 0 &gpioa 5 0>,
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<ARDUINO_HEADER_R3_A2 0 &gpioa 6 0>,
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<ARDUINO_HEADER_R3_A3 0 &gpioa 7 0>,
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<ARDUINO_HEADER_R3_A4 0 &gpioc 1 0>,
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<ARDUINO_HEADER_R3_A5 0 &gpioc 0 0>,
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<ARDUINO_HEADER_R3_D0 0 &gpiob 7 0>,
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<ARDUINO_HEADER_R3_D1 0 &gpiob 6 0>,
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<ARDUINO_HEADER_R3_D2 0 &gpiob 3 0>,
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<ARDUINO_HEADER_R3_D3 0 &gpiob 0 0>,
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<ARDUINO_HEADER_R3_D4 0 &gpioa 12 0>,
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<ARDUINO_HEADER_R3_D5 0 &gpioa 11 0>,
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<ARDUINO_HEADER_R3_D6 0 &gpiob 1 0>,
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<ARDUINO_HEADER_R3_D7 0 &gpiob 2 0>,
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<ARDUINO_HEADER_R3_D8 0 &gpiob 4 0>,
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<ARDUINO_HEADER_R3_D9 0 &gpiob 8 0>,
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<ARDUINO_HEADER_R3_D10 0 &gpiob 9 0>,
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<ARDUINO_HEADER_R3_D11 0 &gpiob 15 0>,
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<ARDUINO_HEADER_R3_D12 0 &gpiob 14 0>,
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<ARDUINO_HEADER_R3_D13 0 &gpiob 13 0>;
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};
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};
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arduino_spi: &spi2 {};
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arduino_i2c: &i2c2 {};
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arduino_serial: &usart1 {};

‎boards/arduino/uno_q/arduino_uno_q-common.dtsi‎

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/*
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* Copyright (c) 2021 Linaro Limited
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* Copyright (c) 2024 STMicroelectronics
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* Copyright (c) 2025 Arduino SA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <st/u5/stm32u585Xi.dtsi>
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#include <st/u5/stm32u585aiixq-pinctrl.dtsi>
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#include "arduino_r3_connector.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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leds {
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compatible = "gpio-leds";
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led3_red: led3_red {
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gpios = <&gpioh 10 GPIO_ACTIVE_LOW>;
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label = "RGB LED 3 Red";
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};
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led3_green: led3_green {
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gpios = <&gpioh 11 GPIO_ACTIVE_LOW>;
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label = "RGB LED 3 Green";
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};
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led3_blue: led3_blue {
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gpios = <&gpioh 12 GPIO_ACTIVE_LOW>;
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label = "RGB LED 3 Blue";
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};
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led4_red: led4_red {
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gpios = <&gpioh 13 GPIO_ACTIVE_LOW>;
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label = "RGB LED 4 Red";
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};
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led4_green: led4_green {
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gpios = <&gpioh 14 GPIO_ACTIVE_LOW>;
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label = "RGB LED 4 Green";
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};
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led4_blue: led4_blue {
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gpios = <&gpioh 15 GPIO_ACTIVE_LOW>;
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label = "RGB LED 4 Blue";
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};
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};
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aliases {
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watchdog0 = &iwdg;
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die-temp0 = &die_temp;
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volt-sensor0 = &vref1;
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volt-sensor1 = &vbat4;
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};
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};
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&clk_hsi48 {
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status = "okay";
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};
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&clk_hse {
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clock-frequency = <DT_FREQ_M(16)>;
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status = "okay";
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};
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&clk_lse {
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clock-frequency = <32768>;
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status = "okay";
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};
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&clk_msis {
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status = "okay";
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msi-range = <4>;
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msi-pll-mode;
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};
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&pll1 {
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div-m = <1>;
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mul-n = <80>;
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div-q = <2>;
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div-r = <2>;
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clocks = <&clk_msis>;
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status = "okay";
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};
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&rcc {
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clocks = <&pll1>;
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clock-frequency = <DT_FREQ_M(160)>;
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ahb-prescaler = <1>;
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apb1-prescaler = <1>;
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apb2-prescaler = <1>;
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apb3-prescaler = <1>;
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};
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stm32_lp_tick_source: &lptim1 {
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clocks = <&rcc STM32_CLOCK(APB3, 11)>,
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<&rcc STM32_SRC_LSE LPTIM1_SEL(3)>;
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status = "okay";
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};
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&lpuart1 {
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pinctrl-0 = <&lpuart1_tx_pg7 &lpuart1_rx_pg8 &lpuart1_rts_pg6 &lpuart1_cts_pg5>;
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pinctrl-names = "default";
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current-speed = <115200>;
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status = "okay";
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};
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&usart1 {
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status = "okay";
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pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
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pinctrl-names = "default";
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current-speed = <115200>;
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};
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&i2c2 {
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status = "okay";
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pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;
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pinctrl-names = "default";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&i2c4 {
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status = "okay";
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pinctrl-0 = <&i2c4_scl_pd12 &i2c4_sda_pd13>;
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/* use <&i2c4_scl_pf14 &i2c4_sda_pf15> for the JMISC connector */
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pinctrl-names = "default";
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clock-frequency = <I2C_BITRATE_FAST>;
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};
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&spi2 {
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status = "okay";
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pinctrl-0 = <&spi2_sck_pb13 &spi2_miso_pb14 &spi2_mosi_pb15 &spi2_nss_pb9>;
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/* use <&spi2_sck_pd1 &spi2_miso_pc2 &spi2_mosi_pc3> for the ICSP connector */
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pinctrl-names = "default";
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};
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&spi3 {
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status = "okay";
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pinctrl-0 = <&spi3_sck_pg9 &spi3_miso_pg10 &spi3_mosi_pb5 &spi3_nss_pg12>;
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pinctrl-names = "default";
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};
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&aes {
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status = "okay";
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};
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&rng {
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status = "okay";
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};
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zephyr_udc0: &usbotg_fs {
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pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
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pinctrl-names = "default";
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status = "disabled";
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};
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&adc1 {
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pinctrl-0 = <&adc1_in9_pa4
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&adc1_in10_pa5
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&adc1_in11_pa6
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&adc1_in12_pa7
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&adc1_in2_pc1
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&adc1_in1_pc0>;
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pinctrl-names = "default";
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status = "okay";
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#address-cells = <1>;
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#size-cells = <0>;
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channel@1 {
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reg = <1>;
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zephyr,gain = "ADC_GAIN_1";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>;
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zephyr,resolution = <14>;
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};
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channel@2 {
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reg = <2>;
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zephyr,gain = "ADC_GAIN_1";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>;
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zephyr,resolution = <14>;
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};
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channel@9 {
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reg = <9>;
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zephyr,gain = "ADC_GAIN_1";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>;
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zephyr,resolution = <14>;
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};
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channel@a {
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reg = <10>;
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zephyr,gain = "ADC_GAIN_1";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>;
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zephyr,resolution = <14>;
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};
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channel@b {
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reg = <11>;
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zephyr,gain = "ADC_GAIN_1";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>;
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zephyr,resolution = <14>;
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};
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channel@c {
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reg = <12>;
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zephyr,gain = "ADC_GAIN_1";
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zephyr,reference = "ADC_REF_INTERNAL";
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zephyr,acquisition-time = <ADC_ACQ_TIME_MAX>;
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zephyr,resolution = <14>;
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};
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};
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&adc4 {
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/* needed by vbat */
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st,adc-clock-source = "ASYNC";
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st,adc-prescaler = <4>;
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status = "okay";
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};
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&die_temp {
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status = "okay";
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};
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&dac1 {
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pinctrl-0 = <&dac1_out1_pa4 &dac1_out2_pa5>;
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pinctrl-names = "default";
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status = "okay";
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};
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&rtc {
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clocks = <&rcc STM32_CLOCK(APB3, 21)>,
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<&rcc STM32_SRC_LSE RTC_SEL(1)>;
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status = "okay";
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};
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&iwdg {
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status = "okay";
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};
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&vref1 {
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status = "okay";
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};
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&vbat4 {
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status = "okay";
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};
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&gpiog {
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status = "okay";
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};

‎boards/arduino/uno_q/arduino_uno_q.dts‎

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/*
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* Copyright (c) 2025 Arduino SA
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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 "arduino_uno_q-common.dtsi"
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#include <zephyr/dt-bindings/memory-attr/memory-attr.h>
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#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
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/ {
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model = "Arduino UNO Q";
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compatible = "arduino,uno_q";
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chosen {
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &slot0_partition;
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};
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aliases {
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led0 = &led3_green;
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led1 = &led3_red;
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die-temp0 = &die_temp;
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};
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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/*
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* Following flash partition is dedicated to the use of stm32u585
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* with TZEN=0 (so w/o TFM).
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* Set the partitions with first MB to make use of the whole Bank1
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*/
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boot_partition: partition@0 {
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label = "mcuboot";
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reg = <0x00000000 DT_SIZE_K(64)>;
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};
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slot0_partition: partition@10000 {
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label = "image-0";
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reg = <0x00010000 DT_SIZE_K(416)>;
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};
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slot1_partition: partition@78000 {
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label = "image-1";
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reg = <0x00078000 DT_SIZE_K(416)>;
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};
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storage_partition: partition@f0000 {
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label = "storage";
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reg = <0x000e0000 DT_SIZE_K(128)>;
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};
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};
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};
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&gpdma1 {
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status = "okay";
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};
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&adc1 {
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st,adc-prescaler = <4>;
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status = "okay";
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};

‎boards/arduino/uno_q/arduino_uno_q.yaml‎

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identifier: arduino_uno_q
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name: Arduino UNO Q
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type: mcu
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arch: arm
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toolchain:
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- zephyr
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- gnuarmemb
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ram: 786
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flash: 2048
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vendor: arduino

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