diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml index 98ca44d9..8a2ea9a1 100644 --- a/.github/workflows/build.yml +++ b/.github/workflows/build.yml @@ -8,7 +8,7 @@ jobs: name: Build Test strategy: matrix: - board: [proton_c, nice_nano, bluemicro52840_v1] + board: [proton_c, nice_nano, bluemicro52840_v1, nrfmicro_13] shield: - corne_left - corne_right diff --git a/app/boards/arm/nrfmicro/CMakeLists.txt b/app/boards/arm/nrfmicro/CMakeLists.txt new file mode 100644 index 00000000..cd4843af --- /dev/null +++ b/app/boards/arm/nrfmicro/CMakeLists.txt @@ -0,0 +1,14 @@ +set_property(GLOBAL APPEND PROPERTY extra_post_build_commands + COMMAND ${PYTHON_EXECUTABLE} ${ZEPHYR_BASE}/../tools/uf2/utils/uf2conv.py + -c + -b 0x26000 + -f 0xADA52840 + -o ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.uf2 + ${PROJECT_BINARY_DIR}/${CONFIG_KERNEL_BIN_NAME}.bin +) + +if(CONFIG_PINMUX) +zephyr_library() +zephyr_library_sources(pinmux.c) +zephyr_library_include_directories(${ZEPHYR_BASE}/drivers) +endif() \ No newline at end of file diff --git a/app/boards/arm/nrfmicro/Kconfig b/app/boards/arm/nrfmicro/Kconfig new file mode 100644 index 00000000..17a3347e --- /dev/null +++ b/app/boards/arm/nrfmicro/Kconfig @@ -0,0 +1,5 @@ +config BOARD_ENABLE_DCDC + bool "Enable DCDC mode" + select SOC_DCDC_NRF52X + default y + depends on (BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13) diff --git a/app/boards/arm/nrfmicro/Kconfig.board b/app/boards/arm/nrfmicro/Kconfig.board new file mode 100644 index 00000000..177373ab --- /dev/null +++ b/app/boards/arm/nrfmicro/Kconfig.board @@ -0,0 +1,16 @@ +# nrfmicro board configuration + +# Copyright (c) 2020 Okke Formsma, joric +# SPDX-License-Identifier: MIT + +config BOARD_NRFMICRO_11 + bool "nrfmicro_11" + depends on SOC_NRF52840_QIAA + +config BOARD_NRFMICRO_11_FLIPPED + bool "nrfmicro_11_flipped" + depends on SOC_NRF52840_QIAA + +config BOARD_NRFMICRO_13 + bool "nrfmicro_13" + depends on SOC_NRF52840_QIAA diff --git a/app/boards/arm/nrfmicro/Kconfig.defconfig b/app/boards/arm/nrfmicro/Kconfig.defconfig new file mode 100644 index 00000000..22122772 --- /dev/null +++ b/app/boards/arm/nrfmicro/Kconfig.defconfig @@ -0,0 +1,33 @@ +# Electronut Labs Papyr board configuration + +# Copyright (c) 2020 Okke Formsma, joric +# SPDX-License-Identifier: MIT + +if BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13 + +config BOARD + default "nrfmicro" + +if USB + +config USB_NRFX + default y + +config USB_DEVICE_STACK + default y + +endif # USB + +config BT_CTLR + default BT + +config ZMK_BLE + default y + +config ZMK_USB + default y + +config PINMUX + default y + +endif # BOARD_NRFMICRO_11 || BOARD_NRFMICRO_11_FLIPPED || BOARD_NRFMICRO_13 diff --git a/app/boards/arm/nrfmicro/arduino_pro_micro_pins.dtsi b/app/boards/arm/nrfmicro/arduino_pro_micro_pins.dtsi new file mode 100644 index 00000000..6cde2b49 --- /dev/null +++ b/app/boards/arm/nrfmicro/arduino_pro_micro_pins.dtsi @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2020 Okke Formsma, joric + * + * SPDX-License-Identifier: MIT + */ + + +/ { + pro_micro_d: connector_d { + compatible = "arduino-pro-micro"; + #gpio-cells = <2>; + gpio-map-mask = <0xffffffff 0xffffffc0>; + gpio-map-pass-thru = <0 0x3f>; + gpio-map + = <0 0 &gpio0 8 0> /* D0 */ + , <1 0 &gpio0 6 0> /* D1 */ + , <2 0 &gpio0 15 0> /* D2 */ + , <3 0 &gpio0 17 0> /* D3 */ + , <4 0 &gpio0 20 0> /* D4/A6 */ + , <5 0 &gpio0 13 0> /* D5 */ + , <6 0 &gpio0 24 0> /* D6/A7 */ + , <7 0 &gpio0 9 0> /* D7 */ + , <8 0 &gpio0 10 0> /* D8/A8 */ + , <9 0 &gpio1 6 0> /* D9/A9 */ + , <10 0 &gpio1 11 0> /* D10/A10 */ + , <16 0 &gpio0 28 0> /* D16 */ + , <14 0 &gpio0 3 0> /* D14 */ + , <15 0 &gpio1 13 0> /* D15 */ + ; + }; + + pro_micro_a: connector_a { + compatible = "arduino-pro-micro"; + #gpio-cells = <2>; + gpio-map-mask = <0xffffffff 0xffffffc0>; + gpio-map-pass-thru = <0 0x3f>; + gpio-map + = <0 0 &gpio0 2 0> /* A0 */ + , <1 0 &gpio0 29 0> /* A1 */ + , <2 0 &gpio0 31 0> /* A2 */ + , <3 0 &gpio0 30 0> /* A3 */ + , <6 0 &gpio0 20 0> /* D4/A6 */ + , <7 0 &gpio0 24 0> /* D6/A7 */ + , <8 0 &gpio0 10 0> /* D8/A8 */ + , <9 0 &gpio1 6 0> /* D9/A9 */ + , <10 0 &gpio1 11 0> /* D10/A10 */ + ; + }; +}; + + +pro_micro_i2c: &i2c0 {}; +pro_micro_spi: &spi0 {}; +pro_micro_serial: &uart0 {}; diff --git a/app/boards/arm/nrfmicro/arduino_pro_micro_pins_flipped.dtsi b/app/boards/arm/nrfmicro/arduino_pro_micro_pins_flipped.dtsi new file mode 100644 index 00000000..9bad7f4a --- /dev/null +++ b/app/boards/arm/nrfmicro/arduino_pro_micro_pins_flipped.dtsi @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2020 Okke Formsma, joric + * + * SPDX-License-Identifier: MIT + */ + +/ { + pro_micro_d: connector_d { + compatible = "arduino-pro-micro"; + #gpio-cells = <2>; + gpio-map-mask = <0xffffffff 0xffffffc0>; + gpio-map-pass-thru = <0 0x3f>; + gpio-map + = <0 0 &gpio0 8 0> /* D0 */ + , <1 0 &gpio0 6 0> /* D1 */ + , <2 0 &gpio0 30 0> /* D2 */ + , <3 0 &gpio0 31 0> /* D3 */ + , <4 0 &gpio0 29 0> /* D4/A6 */ + , <5 0 &gpio0 2 0> /* D5 */ + , <6 0 &gpio1 13 0> /* D6/A7 */ + , <7 0 &gpio0 3 0> /* D7 */ + , <8 0 &gpio0 28 0> /* D8/A8 */ + , <9 0 &gpio1 11 0> /* D9/A9 */ + , <10 0 &gpio1 6 0> /* D10/A10 */ + , <16 0 &gpio0 10 0> /* D16 */ + , <14 0 &gpio0 9 0> /* D14 */ + , <15 0 &gpio0 24 0> /* D15 */ + ; + }; + + pro_micro_a: connector_a { + compatible = "arduino-pro-micro"; + #gpio-cells = <2>; + gpio-map-mask = <0xffffffff 0xffffffc0>; + gpio-map-pass-thru = <0 0x3f>; + gpio-map + = <0 0 &gpio0 13 0> /* A0 */ + , <1 0 &gpio0 20 0> /* A1 */ + , <2 0 &gpio0 17 0> /* A2 */ + , <3 0 &gpio0 15 0> /* A3 */ + , <6 0 &gpio0 29 0> /* D4/A6 */ + , <7 0 &gpio1 13 0> /* D6/A7 */ + , <8 0 &gpio0 28 0> /* D8/A8 */ + , <9 0 &gpio1 11 0> /* D9/A9 */ + , <10 0 &gpio1 6 0> /* D10/A10 */ + ; + }; +}; + +pro_micro_i2c: &i2c0 {}; +pro_micro_spi: &spi0 {}; +pro_micro_serial: &uart0 {}; diff --git a/app/boards/arm/nrfmicro/board.cmake b/app/boards/arm/nrfmicro/board.cmake new file mode 100644 index 00000000..fa847d50 --- /dev/null +++ b/app/boards/arm/nrfmicro/board.cmake @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: MIT + +board_runner_args(nrfjprog "--nrf-family=NRF52" "--softreset") +include(${ZEPHYR_BASE}/boards/common/blackmagicprobe.board.cmake) +include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake) diff --git a/app/boards/arm/nrfmicro/nrfmicro_11.dts b/app/boards/arm/nrfmicro/nrfmicro_11.dts new file mode 100644 index 00000000..dc07ac89 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_11.dts @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2020 Okke Formsma, joric + * + * SPDX-License-Identifier: MIT + */ + +/dts-v1/; +#include +#include "arduino_pro_micro_pins.dtsi" + +/ { + model = "nrfmicro"; + compatible = "joric,nrfmicro"; + + chosen { + zephyr,code-partition = &code_partition; + zephyr,sram = &sram0; + zephyr,flash = &flash0; + }; + + leds { + compatible = "gpio-leds"; + blue_led: led_0 { + gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; + label = "Blue LED"; + }; + }; + +}; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&i2c0 { + compatible = "nordic,nrf-twi"; + sda-pin = <15>; + scl-pin = <17>; +}; + +&uart0 { + compatible = "nordic,nrf-uarte"; + status = "okay"; + current-speed = <115200>; + tx-pin = <39>; + rx-pin = <34>; + rts-pin = <33>; + cts-pin = <12>; +}; + +&usbd { + status = "okay"; +}; + + +&flash0 { + /* + * For more information, see: + * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html + */ + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + boot_partition: partition@0 { + label = "adafruit_boot"; + reg = <0x000000000 0x0000C000>; + }; + code_partition: partition@26000 { + label = "code_partition"; + reg = <0x00026000 0x000d2000>; + }; + + /* + * The flash starting at 0x000f8000 and ending at + * 0x000fffff is reserved for use by the application. + */ + + /* + * Storage partition will be used by FCB/LittleFS/NVS + * if enabled. + */ + storage_partition: partition@f8000 { + label = "storage"; + reg = <0x000f8000 0x00008000>; + }; + }; +}; diff --git a/app/boards/arm/nrfmicro/nrfmicro_11.yaml b/app/boards/arm/nrfmicro/nrfmicro_11.yaml new file mode 100644 index 00000000..4608130d --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_11.yaml @@ -0,0 +1,15 @@ +identifier: nrfmicro_11 +name: nrfmicro_11 +type: mcu +arch: arm +toolchain: + - zephyr + - gnuarmemb + - xtools +supported: + - adc + - usb_device + - ble + - ieee802154 + - pwm + - watchdog diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_defconfig b/app/boards/arm/nrfmicro/nrfmicro_11_defconfig new file mode 100644 index 00000000..c1ac8364 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_11_defconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: MIT + +CONFIG_SOC_SERIES_NRF52X=y +CONFIG_SOC_NRF52840_QIAA=y +CONFIG_BOARD_NRFMICRO_11=y + +# Enable MPU +CONFIG_ARM_MPU=y + +# enable GPIO +CONFIG_GPIO=y + +CONFIG_USE_DT_CODE_PARTITION=y + +CONFIG_MPU_ALLOW_FLASH_WRITE=y +CONFIG_NVS=y +CONFIG_SETTINGS_NVS=y +CONFIG_FLASH=y +CONFIG_FLASH_PAGE_LAYOUT=y +CONFIG_FLASH_MAP=y +CONFIG_CLOCK_CONTROL_NRF=y +CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_flipped.dts b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.dts new file mode 100644 index 00000000..5bf493f0 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.dts @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2020 Okke Formsma, joric + * + * SPDX-License-Identifier: MIT + */ + +/dts-v1/; +#include +#include "arduino_pro_micro_pins_flipped.dtsi" + +/ { + model = "nrfmicro"; + compatible = "joric,nrfmicro"; + + chosen { + zephyr,code-partition = &code_partition; + zephyr,sram = &sram0; + zephyr,flash = &flash0; + }; + + leds { + compatible = "gpio-leds"; + blue_led: led_0 { + gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; + label = "Blue LED"; + }; + }; + +}; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&i2c0 { + compatible = "nordic,nrf-twi"; + sda-pin = <30>; + scl-pin = <31>; +}; + +&uart0 { + compatible = "nordic,nrf-uarte"; + status = "okay"; + current-speed = <115200>; + tx-pin = <39>; + rx-pin = <34>; + rts-pin = <33>; + cts-pin = <12>; +}; + +&usbd { + status = "okay"; +}; + + +&flash0 { + /* + * For more information, see: + * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html + */ + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + boot_partition: partition@0 { + label = "adafruit_boot"; + reg = <0x000000000 0x0000C000>; + }; + code_partition: partition@26000 { + label = "code_partition"; + reg = <0x00026000 0x000d2000>; + }; + + /* + * The flash starting at 0x000f8000 and ending at + * 0x000fffff is reserved for use by the application. + */ + + /* + * Storage partition will be used by FCB/LittleFS/NVS + * if enabled. + */ + storage_partition: partition@f8000 { + label = "storage"; + reg = <0x000f8000 0x00008000>; + }; + }; +}; diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_flipped.yaml b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.yaml new file mode 100644 index 00000000..74461f09 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_11_flipped.yaml @@ -0,0 +1,15 @@ +identifier: nrfmicro_11_flipped +name: nrfmicro_11_flipped +type: mcu +arch: arm +toolchain: + - zephyr + - gnuarmemb + - xtools +supported: + - adc + - usb_device + - ble + - ieee802154 + - pwm + - watchdog diff --git a/app/boards/arm/nrfmicro/nrfmicro_11_flipped_defconfig b/app/boards/arm/nrfmicro/nrfmicro_11_flipped_defconfig new file mode 100644 index 00000000..b35cb791 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_11_flipped_defconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: MIT + +CONFIG_SOC_SERIES_NRF52X=y +CONFIG_SOC_NRF52840_QIAA=y +CONFIG_BOARD_NRFMICRO_11_FLIPPED=y + +# Enable MPU +CONFIG_ARM_MPU=y + +# enable GPIO +CONFIG_GPIO=y + +CONFIG_USE_DT_CODE_PARTITION=y + +CONFIG_MPU_ALLOW_FLASH_WRITE=y +CONFIG_NVS=y +CONFIG_SETTINGS_NVS=y +CONFIG_FLASH=y +CONFIG_FLASH_PAGE_LAYOUT=y +CONFIG_FLASH_MAP=y +CONFIG_CLOCK_CONTROL_NRF=y +CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.dts b/app/boards/arm/nrfmicro/nrfmicro_13.dts new file mode 100644 index 00000000..dc07ac89 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_13.dts @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2020 Okke Formsma, joric + * + * SPDX-License-Identifier: MIT + */ + +/dts-v1/; +#include +#include "arduino_pro_micro_pins.dtsi" + +/ { + model = "nrfmicro"; + compatible = "joric,nrfmicro"; + + chosen { + zephyr,code-partition = &code_partition; + zephyr,sram = &sram0; + zephyr,flash = &flash0; + }; + + leds { + compatible = "gpio-leds"; + blue_led: led_0 { + gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>; + label = "Blue LED"; + }; + }; + +}; + +&gpio0 { + status = "okay"; +}; + +&gpio1 { + status = "okay"; +}; + +&i2c0 { + compatible = "nordic,nrf-twi"; + sda-pin = <15>; + scl-pin = <17>; +}; + +&uart0 { + compatible = "nordic,nrf-uarte"; + status = "okay"; + current-speed = <115200>; + tx-pin = <39>; + rx-pin = <34>; + rts-pin = <33>; + cts-pin = <12>; +}; + +&usbd { + status = "okay"; +}; + + +&flash0 { + /* + * For more information, see: + * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html + */ + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + boot_partition: partition@0 { + label = "adafruit_boot"; + reg = <0x000000000 0x0000C000>; + }; + code_partition: partition@26000 { + label = "code_partition"; + reg = <0x00026000 0x000d2000>; + }; + + /* + * The flash starting at 0x000f8000 and ending at + * 0x000fffff is reserved for use by the application. + */ + + /* + * Storage partition will be used by FCB/LittleFS/NVS + * if enabled. + */ + storage_partition: partition@f8000 { + label = "storage"; + reg = <0x000f8000 0x00008000>; + }; + }; +}; diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.yaml b/app/boards/arm/nrfmicro/nrfmicro_13.yaml new file mode 100644 index 00000000..a7415e44 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_13.yaml @@ -0,0 +1,15 @@ +identifier: nrfmicro_13 +name: nrfmicro_13 +type: mcu +arch: arm +toolchain: + - zephyr + - gnuarmemb + - xtools +supported: + - adc + - usb_device + - ble + - ieee802154 + - pwm + - watchdog diff --git a/app/boards/arm/nrfmicro/nrfmicro_13_defconfig b/app/boards/arm/nrfmicro/nrfmicro_13_defconfig new file mode 100644 index 00000000..cac11642 --- /dev/null +++ b/app/boards/arm/nrfmicro/nrfmicro_13_defconfig @@ -0,0 +1,22 @@ +# SPDX-License-Identifier: MIT + +CONFIG_SOC_SERIES_NRF52X=y +CONFIG_SOC_NRF52840_QIAA=y +CONFIG_BOARD_NRFMICRO_13=y + +# Enable MPU +CONFIG_ARM_MPU=y + +# enable GPIO +CONFIG_GPIO=y + +CONFIG_USE_DT_CODE_PARTITION=y + +CONFIG_MPU_ALLOW_FLASH_WRITE=y +CONFIG_NVS=y +CONFIG_SETTINGS_NVS=y +CONFIG_FLASH=y +CONFIG_FLASH_PAGE_LAYOUT=y +CONFIG_FLASH_MAP=y +CONFIG_CLOCK_CONTROL_NRF=y +CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y diff --git a/app/boards/arm/nrfmicro/pinmux.c b/app/boards/arm/nrfmicro/pinmux.c new file mode 100644 index 00000000..803d20d4 --- /dev/null +++ b/app/boards/arm/nrfmicro/pinmux.c @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2020 Okke Formsma, joric + * + * SPDX-License-Identifier: MIT + */ + +#include +#include +#include +#include +#include +#include + +static int pinmux_nrfmicro_init(struct device *port) +{ + ARG_UNUSED(port); + + struct device *p1 = device_get_binding("GPIO_1"); + +#if defined(BOARD_NRFMICRO_13) + struct device *p0 = device_get_binding("GPIO_0"); + // enable EXT_VCC (use 0 for nRFMicro 1.3, use 1 for nRFMicro 1.1) + gpio_pin_configure(p1, 9, GPIO_OUTPUT); + gpio_pin_set(p1, 9, 0); + + // enable charger (nRFMicro 1.3 only) + gpio_pin_configure(p0, 5, GPIO_OUTPUT); + gpio_pin_set(p0, 5, 0); +#else + // enable EXT_VCC (use 0 for nRFMicro 1.3, use 1 for nRFMicro 1.1) + gpio_pin_configure(p1, 9, GPIO_OUTPUT); + gpio_pin_set(p1, 9, 1); +#endif + return 0; +} + +SYS_INIT(pinmux_nrfmicro_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY); \ No newline at end of file diff --git a/app/boards/shields/kyria/boards/nrfmicro_11.overlay b/app/boards/shields/kyria/boards/nrfmicro_11.overlay new file mode 100644 index 00000000..d7f724f6 --- /dev/null +++ b/app/boards/shields/kyria/boards/nrfmicro_11.overlay @@ -0,0 +1,29 @@ +&spi1 { + compatible = "nordic,nrf-spi"; + status = "okay"; + mosi-pin = <6>; + // Unused pins, needed for SPI definition, but not used by the ws2812 driver itself. + sck-pin = <12>; // 0.12 is not broken out on the nRFMicro + miso-pin = <22>; // 0.22 is not broken out on the nRFMicro + + led_strip: ws2812@0 { + compatible = "worldsemi,ws2812-spi"; + label = "WS2812"; + + /* SPI */ + reg = <0>; /* ignored, but necessary for SPI bindings */ + spi-max-frequency = <4000000>; + + /* WS2812 */ + chain-length = <10>; /* arbitrary; change at will */ + spi-one-frame = <0x70>; + spi-zero-frame = <0x40>; + }; +}; + +/ { + chosen { + zmk,underglow = &led_strip; + }; +}; + diff --git a/app/boards/shields/kyria/boards/nrfmicro_11_flipped.overlay b/app/boards/shields/kyria/boards/nrfmicro_11_flipped.overlay new file mode 100644 index 00000000..c5f2a940 --- /dev/null +++ b/app/boards/shields/kyria/boards/nrfmicro_11_flipped.overlay @@ -0,0 +1,28 @@ +&spi1 { + compatible = "nordic,nrf-spi"; + status = "okay"; + mosi-pin = <6>; + // Unused pins, needed for SPI definition, but not used by the ws2812 driver itself. + sck-pin = <12>; // 0.12 is not broken out on the nRFMicro + miso-pin = <22>; // 0.22 is not broken out on the nRFMicro + + led_strip: ws2812@0 { + compatible = "worldsemi,ws2812-spi"; + label = "WS2812"; + + /* SPI */ + reg = <0>; /* ignored, but necessary for SPI bindings */ + spi-max-frequency = <4000000>; + + /* WS2812 */ + chain-length = <10>; /* arbitrary; change at will */ + spi-one-frame = <0x70>; + spi-zero-frame = <0x40>; + }; +}; + +/ { + chosen { + zmk,underglow = &led_strip; + }; +}; diff --git a/app/boards/shields/kyria/boards/nrfmicro_13.overlay b/app/boards/shields/kyria/boards/nrfmicro_13.overlay new file mode 100644 index 00000000..c5f2a940 --- /dev/null +++ b/app/boards/shields/kyria/boards/nrfmicro_13.overlay @@ -0,0 +1,28 @@ +&spi1 { + compatible = "nordic,nrf-spi"; + status = "okay"; + mosi-pin = <6>; + // Unused pins, needed for SPI definition, but not used by the ws2812 driver itself. + sck-pin = <12>; // 0.12 is not broken out on the nRFMicro + miso-pin = <22>; // 0.22 is not broken out on the nRFMicro + + led_strip: ws2812@0 { + compatible = "worldsemi,ws2812-spi"; + label = "WS2812"; + + /* SPI */ + reg = <0>; /* ignored, but necessary for SPI bindings */ + spi-max-frequency = <4000000>; + + /* WS2812 */ + chain-length = <10>; /* arbitrary; change at will */ + spi-one-frame = <0x70>; + spi-zero-frame = <0x40>; + }; +}; + +/ { + chosen { + zmk,underglow = &led_strip; + }; +};