boards: st: add stm32c0116_dk board support

Add board support for stm32c0116_dk

Signed-off-by: Romain Pelletant <romainp@kickmaker.net>

boards/st/stm32c0116_dk/Kconfig.stm32c0116_dk

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+# Copyright (c) 2024 Kickmaker
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_STM32C0116_DK
+	select SOC_STM32C011XX

boards/st/stm32c0116_dk/board.cmake

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+# Copyright (c) 2024 Kickmaker
+# SPDX-License-Identifier: Apache-2.0
+
+board_runner_args(jlink "--device=STM32C011F6" "--speed=4000")
+board_runner_args(stm32cubeprogrammer "--port=swd" "--reset-mode=hw")
+
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/stm32cubeprogrammer.board.cmake)

boards/st/stm32c0116_dk/board.yml

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+board:
+  name: stm32c0116_dk
+  vendor: st
+  socs:
+    - name: stm32c011xx

boards/st/stm32c0116_dk/doc/index.rst

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+.. _stm32c0116_dk_board:
+
+ST STM32C0116-DK Discovery Kit
+##############################
+
+Overview
+********
+
+The STM32C0116-DK Discovery kit helps to discover features of the STM32C0 Series
+microcontroller in a UFQFPN20 package. This Discovery kit features one UFQFPN20
+to DIL20 module designed with the STM32C011F6 microcontroller and allows the user to develop
+and share applications. It includes an on-board ST-LINK/V2-1 to debug and program the embedded
+STM32 microcontroller. Important board features include:
+
+.. image:: img/stm32c0116_dk.jpg
+     :align: center
+     :alt: STM32C0116-DK
+
+More information about the board can be found at the `STM32C0116-DK website`_.
+
+Hardware
+********
+
+The STM32C0116-DK Discovery kit provides the following hardware components:
+
+- STM32C011F6 microcontroller with 32 Kbytes of Flash memory and 6 Kbytes of RAM, in a UFQFPN20 package
+- On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage and debug port
+- User LED
+- Reset push-button
+- 5 way joystick using a single ADC input pin
+- Individual STM32 UFQFPN20 to DIL20 module
+- Board connectors:
+
+  - USB Micro-B
+  - DIL20 socket
+  - Dedicated LCD footprint
+  - Grove (UART)
+  - 2 x 10 pin headers for MCU daughterboard
+  - Extension connectors
+
+More information about STM32C011F6 can be found here:
+
+- `STM32C011F6 on www.st.com`_
+- `STM32C0x1 reference manual`_
+
+Supported Features
+==================
+
+The Zephyr stm32c0116_dk board configuration supports the following hardware features:
+
++-----------+------------+-------------------------------------+
+| Interface | Controller | Driver/Component                    |
++===========+============+=====================================+
+| NVIC      | on-chip    | nested vector interrupt controller  |
++-----------+------------+-------------------------------------+
+| UART      | on-chip    | serial port-polling;                |
+|           |            | serial port-interrupt               |
++-----------+------------+-------------------------------------+
+| PINMUX    | on-chip    | pinmux                              |
++-----------+------------+-------------------------------------+
+| GPIO      | on-chip    | gpio                                |
++-----------+------------+-------------------------------------+
+| CLOCK     | on-chip    | reset and clock control             |
++-----------+------------+-------------------------------------+
+| RTC       | on-chip    | counter                             |
++-----------+------------+-------------------------------------+
+| IWDG      | on-chip    | independent watchdog                |
++-----------+------------+-------------------------------------+
+| WWDG      | on-chip    | window watchdog                     |
++-----------+------------+-------------------------------------+
+| PWM       | on-chip    | pwm                                 |
++-----------+------------+-------------------------------------+
+| ADC       | on-chip    | ADC Controller                      |
++-----------+------------+-------------------------------------+
+| die-temp  | on-chip    | die temperature sensor              |
++-----------+------------+-------------------------------------+
+| I2C       | on-chip    | i2c                                 |
++-----------+------------+-------------------------------------+
+| DMA       | on-chip    | Direct Memory Access                |
++-----------+------------+-------------------------------------+
+
+Other hardware features are not yet supported on Zephyr porting.
+
+The default configuration can be found in
+:zephyr_file:`boards/st/stm32c0116_dk/stm32c0116_dk_defconfig`
+
+Pin Mapping
+===========
+
+STM32C0116-DK Discovery kit has 4 GPIO controllers. These controllers are responsible for pin muxing,
+input/output, pull-up, etc.
+
+For more details please refer to `STM32C0116-DK board User Manual`_.
+
+Default Zephyr Peripheral Mapping:
+----------------------------------
+
+The STM32C0116 Discovery board is configured as follows:
+
+- UART_2 TX/RX : PA2/PA3 (ST-Link Virtual Port Com)
+- UART_1 TX/RX : PA9/PA10
+- PWM_1_CH3 : PB6
+- ADC1_CH8 : PA8
+- LD3 : PB6
+
+Programming and Debugging
+*************************
+
+Applications for the ``stm32c0116_dk`` board configuration can be built and
+flashed in the usual way (see :ref:`build_an_application` and
+:ref:`application_run` for more details).
+
+Flashing
+========
+
+STM32C0116-DK Discovery kit includes an ST-LINK/V2 embedded debug tool interface.
+
+Flashing an application to STM32C0116-DK
+-------------------------------------------
+
+First, connect the STM32C0116 Discovery kit to your host computer using
+the USB port to prepare it for flashing. Then build and flash your application.
+
+Here is an example for the :ref:`hello_world` application.
+
+.. zephyr-app-commands::
+   :zephyr-app: samples/hello_world
+   :board: stm32c0116_dk
+   :goals: build flash
+
+Run a serial host program to connect with your board:
+
+.. code-block:: console
+
+   $ minicom -D /dev/ttyACM0
+
+You should see the following message on the console:
+
+.. code-block:: console
+
+   Hello World! arm
+
+
+.. _STM32C0116-DK website:
+   https://www.st.com/en/evaluation-tools/stm32c0116-dk.html
+
+.. _STM32C0116-DK board User Manual:
+   https://www.st.com/resource/en/user_manual/um2970-discovery-kit-with-stm32c011f6-mcu-stmicroelectronics.pdf
+
+.. _STM32C011F6 on www.st.com:
+   https://www.st.com/resource/en/datasheet/stm32c011f6.pdf
+
+.. _STM32C0x1 reference manual:
+   https://www.st.com/resource/en/reference_manual/rm0490-stm32c0x1-advanced-armbased-64bit-mcus-stmicroelectronics.pdf

boards/st/stm32c0116_dk/stm32c0116_dk.dts

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+/*
+ * Copyright (c) 2024 Kickmaker
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <st/c0/stm32c011X6.dtsi>
+#include <st/c0/stm32c011f(4-6)ux-pinctrl.dtsi>
+
+/ {
+	model = "STMicroelectronics STM32C0116-DK Discovery board";
+	compatible = "st,stm32c011f6-dk";
+
+	chosen {
+		zephyr,console = &usart2;
+		zephyr,shell-uart = &usart2;
+		zephyr,sram = &sram0;
+		zephyr,flash = &flash0;
+	};
+
+	leds: leds {
+		compatible = "gpio-leds";
+		green_led_3: led_3 {
+			gpios = <&gpiob 6 GPIO_ACTIVE_LOW>;
+			label = "User LD3";
+		};
+	};
+
+	pwmleds {
+		compatible = "pwm-leds";
+
+		green_pwm_led: green_pwm_led {
+			pwms = <&pwm1 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		reset_button: button {
+			label = "reset button";
+			gpios = <&gpiof 2 GPIO_ACTIVE_LOW>;
+			status = "okay";
+		};
+	};
+
+	aliases {
+		led0 = &green_led_3;
+		pwm-led0 = &green_pwm_led;
+		sw0 = &reset_button;
+		watchdog0 = &iwdg;
+		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
+	};
+};
+
+&clk_hsi {
+	status = "okay";
+};
+
+&rcc {
+	clocks = <&clk_hsi>;
+	clock-frequency = <DT_FREQ_M(48)>;
+	ahb-prescaler = <1>;
+	apb1-prescaler = <1>;
+};
+
+&usart1 {
+	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	status = "okay";
+};
+
+&usart2 {
+	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
+	pinctrl-names = "default";
+	current-speed = <115200>;
+	status = "okay";
+};
+
+&rtc {
+	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000400>,
+		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
+	status = "okay";
+};
+
+&iwdg {
+	status = "okay";
+};
+
+&timers1 {
+	st,prescaler = <10000>;
+	status = "okay";
+
+	pwm1: pwm {
+		pinctrl-0 = <&tim1_ch3_pb6>;
+		pinctrl-names = "default";
+		status = "okay";
+	};
+};
+
+&adc1 {
+	pinctrl-0 = <&adc1_in8_pa8>;
+	pinctrl-names = "default";
+	st,adc-clock-source = <SYNC>;
+	st,adc-prescaler = <4>;
+	status = "okay";
+};
+
+&die_temp {
+	status = "okay";
+};
+
+&vref {
+	status = "okay";
+};
+
+&dma1 {
+	status = "okay";
+};
+
+&dmamux1 {
+	status = "okay";
+};

boards/st/stm32c0116_dk/stm32c0116_dk.yaml

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+# Copyright (c) 2024 Kickmaker
+# SPDX-License-Identifier: Apache-2.0
+
+identifier: stm32c0116_dk
+name: STM32C0116 DK
+type: mcu
+arch: arm
+toolchain:
+  - zephyr
+supported:
+  - gpio
+  - counter
+  - watchdog
+  - pwm
+  - adc
+  - dma
+ram: 6
+flash: 32
+vendor: st

boards/st/stm32c0116_dk/stm32c0116_dk_defconfig

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+# Copyright (c) 2024 Kickmaker
+# SPDX-License-Identifier: Apache-2.0
+
+# Serial Drivers
+CONFIG_SERIAL=y
+CONFIG_UART_INTERRUPT_DRIVEN=y
+
+# enable console
+CONFIG_CONSOLE=y
+CONFIG_UART_CONSOLE=y
+
+# GPIO Controller
+CONFIG_GPIO=y
+
+# Enable Clocks
+CONFIG_CLOCK_CONTROL=y
+
+# enable pin controller
+CONFIG_PINCTRL=y