boards: arm: add support for the Actinius Icarus SoM DK w/ helper lib

This adds support for the nRF9160-based Icarus SoM DK
(development kit) from Actinius and a common library for
board init code that is common to multiple boards
from Actinius.

Signed-off-by: Alex Tsamakos <[email protected]>

boards/arm/actinius_icarus_som_dk/CMakeLists.txt

@@ -0,0 +1,8 @@
+#
+# Copyright (c) 2022 Actinius
+#
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library()
+
+add_subdirectory(${ZEPHYR_BASE}/boards/common/actinius actinius_common)

boards/arm/actinius_icarus_som_dk/Kconfig.board

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+# Actinius Icarus SoM DK board configuration
+
+# Copyright (c) 2022 Actinius
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_NRF9160_SICA
+
+config BOARD_ACTINIUS_ICARUS_SOM_DK
+ bool "Actinius Icarus SoM DK"
+
+config BOARD_ACTINIUS_ICARUS_SOM_DK_NS
+ bool "Actinius Icarus SoM DK Non-Secure"
+
+endif # SOC_NRF9160_SICA

boards/arm/actinius_icarus_som_dk/Kconfig.defconfig

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+# Actinius Icarus SoM DK board configuration
+
+# Copyright (c) 2022 Actinius
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_ACTINIUS_ICARUS_SOM_DK || BOARD_ACTINIUS_ICARUS_SOM_DK_NS
+
+config BOARD
+ default "actinius_icarus_som_dk"
+
+source "boards/common/actinius/Kconfig"
+
+# For the secure version of the board the firmware is linked at the beginning
+# of the flash, or into the code-partition defined in DT if it is intended to
+# be loaded by MCUboot. If the secure firmware is to be combined with a non-
+# secure image (TRUSTED_EXECUTION_SECURE=y), the secure FW image shall always
+# be restricted to the size of its code partition.
+# For the non-secure version of the board, the firmware
+# must be linked into the code-partition (non-secure) defined in DT, regardless.
+# Apply this configuration below by setting the Kconfig symbols used by
+# the linker according to the information extracted from DT partitions.
+
+# Workaround for not being able to have commas in macro arguments
+DT_CHOSEN_Z_CODE_PARTITION := zephyr,code-partition
+
+config FLASH_LOAD_SIZE
+ default $(dt_chosen_reg_size_hex,$(DT_CHOSEN_Z_CODE_PARTITION))
+ depends on BOARD_ACTINIUS_ICARUS_SOM_DK && TRUSTED_EXECUTION_SECURE
+
+if BOARD_ACTINIUS_ICARUS_SOM_DK_NS
+
+config FLASH_LOAD_OFFSET
+ default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_CODE_PARTITION))
+
+config FLASH_LOAD_SIZE
+ default $(dt_chosen_reg_size_hex,$(DT_CHOSEN_Z_CODE_PARTITION))
+
+endif # BOARD_ACTINIUS_ICARUS_SOM_DK_NS
+
+endif # BOARD_ACTINIUS_ICARUS_SOM_DK || BOARD_ACTINIUS_ICARUS_SOM_DK_NS

boards/arm/actinius_icarus_som_dk/actinius_icarus_som_dk.dts

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+/*
+ * Copyright (c) 2022 Actinius
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+#include <nordic/nrf9160_sica.dtsi>
+#include "actinius_icarus_som_dk_common.dts"
+
+/ {
+ chosen {
+ zephyr,sram = &sram0_s;
+ zephyr,flash = &flash0;
+ zephyr,code-partition = &slot0_partition;
+ zephyr,sram-secure-partition = &sram0_s;
+ zephyr,sram-non-secure-partition = &sram0_ns;
+ };
+};

boards/arm/actinius_icarus_som_dk/actinius_icarus_som_dk.yaml

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+identifier: actinius_icarus_som_dk
+name: Actinius Icarus SoM DK
+type: mcu
+arch: arm
+toolchain:
+ - gnuarmemb
+ - xtools
+ - zephyr
+ram: 88
+flash: 256
+supported:
+ - gpio
+ - i2c
+ - pwm
+ - spi
+ - watchdog
+ - counter
+ - arduino_gpio
+ - arduino_i2c
+ - arduino_serial
+ - arduino_spi

boards/arm/actinius_icarus_som_dk/actinius_icarus_som_dk_common-pinctrl.dtsi

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+/*
+ * Copyright (c) 2022 Actinius
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+ uart0_default: uart0_default {
+ group1 {
+ psels = <NRF_PSEL(UART_TX, 0, 9)>,
+ <NRF_PSEL(UART_RX, 0, 6)>;
+ };
+ };
+
+ uart0_sleep: uart0_sleep {
+ group1 {
+ psels = <NRF_PSEL(UART_TX, 0, 9)>,
+ <NRF_PSEL(UART_RX, 0, 6)>;
+ low-power-enable;
+ };
+ };
+
+ i2c2_default: i2c2_default {
+ group1 {
+ psels = <NRF_PSEL(TWIM_SDA, 0, 10)>,
+ <NRF_PSEL(TWIM_SCL, 0, 11)>;
+ };
+ };
+
+ i2c2_sleep: i2c2_sleep {
+ group1 {
+ psels = <NRF_PSEL(TWIM_SDA, 0, 10)>,
+ <NRF_PSEL(TWIM_SCL, 0, 11)>;
+ low-power-enable;
+ };
+ };
+
+ spi3_default: spi3_default {
+ group1 {
+ psels = <NRF_PSEL(SPIM_SCK, 0, 22)>,
+ <NRF_PSEL(SPIM_MOSI, 0, 25)>,
+ <NRF_PSEL(SPIM_MISO, 0, 21)>;
+ };
+ };
+
+ spi3_sleep: spi3_sleep {
+ group1 {
+ psels = <NRF_PSEL(SPIM_SCK, 0, 22)>,
+ <NRF_PSEL(SPIM_MOSI, 0, 25)>,
+ <NRF_PSEL(SPIM_MISO, 0, 21)>;
+ low-power-enable;
+ };
+ };
+
+ neopixel_spi_default: neopixel_spi_default {
+ group1 {
+ psels = <NRF_PSEL(SPIM_SCK, 0, 0)>,
+ <NRF_PSEL(SPIM_MOSI, 0, 8)>,
+ <NRF_PSEL(SPIM_MISO, 0, 0)>;
+ };
+ };
+
+ neopixel_spi_sleep: neopixel_spi_sleep {
+ group1 {
+ psels = <NRF_PSEL(SPIM_SCK, 0, 0)>,
+ <NRF_PSEL(SPIM_MOSI, 0, 8)>,
+ <NRF_PSEL(SPIM_MISO, 0, 0)>;
+ low-power-enable;
+ };
+ };
+
+ pwm0_default: pwm0_default {
+ group1 {
+ psels = <NRF_PSEL(PWM_OUT0, 0, 3)>;
+ nordic,invert;
+ };
+ };
+
+ pwm0_sleep: pwm0_sleep {
+ group1 {
+ psels = <NRF_PSEL(PWM_OUT0, 0, 3)>;
+ low-power-enable;
+ };
+ };
+
+};