Commit 0039c665 authored by Maxin John's avatar Maxin John Committed by Carles Cufi
Browse files

boards: st: stm32l152c_disco: add board support 



The STM32L152C-DISCOVERY is a development board based on the STM32L152RC
MCU. It is very similar to the stm32l1_disco, which was used as a
reference for the pinmux and defconfig.

stm32l152c_disco board has 256 Kbytes of flash memory, 32 Kbytes of RAM
and 8 Kbytes of data EEPROM.

Signed-off-by: default avatarMaxin John <maxin.john@gmail.com>
parent 75f5d980

boards/st/stm32l1_disco/Kconfig.stm32l152c_disco

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# Copyright (c) 2024 Maxin John

# SPDX-License-Identifier: Apache-2.0



config BOARD_STM32L152C_DISCO

	select SOC_STM32L152XC

boards/st/stm32l1_disco/board.yml

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board:

  name: stm32l1_disco

boards:

  - name: stm32l1_disco

    vendor: st

    socs:

      - name: stm32l151xb

  - name: stm32l152c_disco

    vendor: st

    socs:

      - name: stm32l152xc

boards/st/stm32l1_disco/stm32l152c_disco.dts

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/*

 * Copyright (c) 2024 Maxin John

 *

 * SPDX-License-Identifier: Apache-2.0

 */



/dts-v1/;

#include <st/l1/stm32l152Xc.dtsi>

#include <st/l1/stm32l152r(6-8-b)tx-pinctrl.dtsi>

#include <zephyr/dt-bindings/input/input-event-codes.h>



/ {

	model = "STMicroelectronics STM32L152CDISCOVERY board";

	compatible = "st,stm32l1discovery";



	chosen {

		zephyr,console = &usart1;

		zephyr,shell-uart = &usart1;

		zephyr,sram = &sram0;

		zephyr,flash = &flash0;

	};



	leds {

		compatible = "gpio-leds";

		green_led: ld3 {

			gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;

			label = "User LD3";

		};

		blue_led: ld4 {

			gpios = <&gpiob 6 GPIO_ACTIVE_HIGH>;

			label = "User LD4";

		};

	};



	gpio_keys {

		compatible = "gpio-keys";

		user_button: button {

			label = "User";

			gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;

			zephyr,code = <INPUT_KEY_0>;

		};

	};



	aliases {

		led0 = &green_led;

		led1 = &blue_led;

		sw0 = &user_button;

	};

};



&clk_lsi {

	status = "okay";

};



&clk_hsi {

	status = "okay";

};



&pll {

	div = <4>;

	mul = <8>;

	/* out of the box, MCO from stlink is not enabled, unlike later discos */

	clocks = <&clk_hsi>;

	status = "okay";

};



&rcc {

	clocks = <&pll>;

	clock-frequency = <DT_FREQ_M(32)>;

	ahb-prescaler = <1>;

	apb1-prescaler = <1>;

	apb2-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";

};



&usart3 {

	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;

	pinctrl-names = "default";

	current-speed = <115200>;

	status = "okay";

};



&i2c1 {

	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;

	pinctrl-names = "default";

	status = "okay";

	clock-frequency = <I2C_BITRATE_FAST>;

};



&i2c2 {

	pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>;

	pinctrl-names = "default";

	status = "okay";

	clock-frequency = <I2C_BITRATE_FAST>;

};



&spi1 {

	pinctrl-0 = <&spi1_nss_pa4 &spi1_sck_pa5

		     &spi1_miso_pa6 &spi1_mosi_pa7>;

	pinctrl-names = "default";

	status = "okay";

};



&spi2 {

	pinctrl-0 = <&spi2_nss_pb12 &spi2_sck_pb13

		     &spi2_miso_pb14 &spi2_mosi_pb15>;

	pinctrl-names = "default";

	status = "okay";

};



&rtc {

	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,

		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;

	status = "okay";



	backup_regs {

		status = "okay";

	};

};

boards/st/stm32l1_disco/stm32l152c_disco.yaml

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identifier: stm32l152c_disco

name: ST STM32L152C Discovery

type: mcu

arch: arm

toolchain:

  - zephyr

  - gnuarmemb

  - xtools

ram: 32

flash: 256

supported:

  - gpio

  - i2c

  - spi

vendor: st

boards/st/stm32l1_disco/stm32l152c_disco_defconfig

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# SPDX-License-Identifier: Apache-2.0



# enable uart driver

CONFIG_SERIAL=y



# enable console

CONFIG_CONSOLE=y

CONFIG_UART_CONSOLE=y



# enable GPIO

CONFIG_GPIO=y



# Enable Clocks

CONFIG_CLOCK_CONTROL=y



# enable pin controller

CONFIG_PINCTRL=y

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