board: ProMicro: Chrysalis Variant

Author: ShineBrightMeow

.github/workflows/workflow.yml

@@ -25,6 +25,7 @@ jobs:
                   {boardname: "promicro_uf2/nrf52840/i2c", fileformat: "uf2", filename: "SlimeNRF_ProMicro_I2C_Tracker"},
                   {boardname: "promicro_uf2/nrf52840/spi", fileformat: "uf2", filename: "SlimeNRF_ProMicro_SPI_Tracker"},
                   {boardname: "promicro_uf2/nrf52840/smspi", fileformat: "uf2", filename: "SlimeNRF_ProMicro_smSPI_Tracker"},
+                  {boardname: "promicro_uf2/nrf52840/chrysalis", fileformat: "uf2", filename: "SlimeNRF_ProMicro_Chrysalis_Tracker"},
                   {boardname: "xiao_ble/nrf52840", fileformat: "uf2", filename: "SlimeNRF_XIAO_Tracker"},
                   {boardname: "xiao_ble/nrf52840/sense", fileformat: "uf2", filename: "SlimeNRF_XIAO_Sense_Tracker"},
                   {boardname: "slimenrf_r1/nrf52840", fileformat: "hex", filename: "SlimeNRF_slimenrf_r1_Tracker"},

boards/nordic/promicro_uf2/board.yml

@@ -12,4 +12,5 @@ board:
       variants:
       - name: 'i2c'
       - name: 'spi'
-      - name: 'smspi'
+      - name: 'smspi'
+      - name: 'chrysalis'

boards/nordic/promicro_uf2/promicro_uf2_chrysalis.dts

@@ -0,0 +1,67 @@
+// Copyright (c) 2024 Nordic Semiconductor ASA
+// SPDX-License-Identifier: Apache-2.0
+
+/dts-v1/;
+#include "promicro_uf2.dts"
+
+&pwm0_default {
+	group1 {
+		psels = <NRF_PSEL(PWM_OUT0, 0, 2)>, // Red
+				<NRF_PSEL(PWM_OUT1, 1, 15)>, // Green
+				<NRF_PSEL(PWM_OUT2, 0, 29)>; // Blue
+		nordic,drive-mode = <NRF_DRIVE_S0S1>;
+		nordic,invert;
+	};
+};
+
+&pwm0_sleep {
+	group1 {
+		psels = <NRF_PSEL(PWM_OUT0, 0, 2)>, // Red
+				<NRF_PSEL(PWM_OUT1, 1, 15)>, // Green
+				<NRF_PSEL(PWM_OUT2, 0, 29)>; // Blue
+		low-power-enable;
+	};
+};
+
+/ {
+	pwmleds {
+		/delete-node/ pwm_led_0;
+		pwm_led0: pwm_led_0 {
+			pwms = <&pwm0 0 PWM_MSEC(1) PWM_POLARITY_INVERTED>; // Red
+		};
+		pwm_led1: pwm_led_1 {
+			pwms = <&pwm0 1 PWM_MSEC(1) PWM_POLARITY_INVERTED>; // Green
+		};
+		pwm_led2: pwm_led_2 {
+			pwms = <&pwm0 2 PWM_MSEC(1) PWM_POLARITY_INVERTED>; // Blue
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led0: led_0 {
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>; // Red
+		};
+		led1: led_1 {
+			gpios = <&gpio1 15 GPIO_ACTIVE_LOW>; // Green
+		};
+		led2: led_2 {
+			gpios = <&gpio0 29 GPIO_ACTIVE_LOW>; // Blue
+		};
+	};
+
+	aliases {
+		sw0 = &button0;
+		pwm-led0 = &pwm_led0; // Red
+		pwm-led1 = &pwm_led1; // Green
+		pwm-led2 = &pwm_led2; // Blue
+		led0 = &led0; // Red
+		led1 = &led1; // Green
+		led2 = &led2; // Blue
+	};
+
+	zephyr,user {
+		clk-gpios = <&gpio0 20 GPIO_OPEN_DRAIN>;
+		/delete-property/ led-gpios;
+	};
+};

boards/nordic/promicro_uf2/promicro_uf2_chrysalis.yaml

@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+identifier: promicro_uf2/nrf52840/chrysalis
+name: promicro_uf2_chrysalis
+vendor: nordic
+type: mcu
+arch: arm
+ram: 256
+flash: 1024
+toolchain:
+  - zephyr
+  - gnuarmemb
+  - xtools

boards/nordic/promicro_uf2/promicro_uf2_chrysalis_defconfig

@@ -0,0 +1,17 @@
+# Copyright (c) 2024 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_ARM_MPU=y
+CONFIG_HW_STACK_PROTECTION=y
+
+CONFIG_USB_DEVICE_STACK=y
+CONFIG_USB_DEVICE_MANUFACTURER="SlimeVR"
+CONFIG_USB_DEVICE_PRODUCT="SlimeNRF Tracker ProMicro"
+
+CONFIG_BATTERY_USE_REG_LDO_MAPPING=y
+
+CONFIG_LED_RGB_COLOR=y
+
+#generate for adafruit uf2 bootloader flashing
+CONFIG_BUILD_OUTPUT_UF2=y
+CONFIG_FLASH_LOAD_OFFSET=0x1000

pm_static_promicro_uf2_nrf52840_chrysalis.yml

@@ -0,0 +1,10 @@
+bootloader:
+  address: 0x0
+  end_address: 0x1000
+  region: flash_primary
+  size: 0x1000
+uf2_bootloader:
+  address: 0xf4000
+  end_address: 0x100000
+  region: flash_primary
+  size: 0xc000

socs/nrf52840_chrysalis.overlay

@@ -0,0 +1,34 @@
+/ {
+	sram0@2003f000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x2003f000 DT_SIZE_K(4)>;
+		zephyr,memory-region = "RETAINED_MEM";
+		status = "okay";
+
+		retainedmem0: retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	sram0@20007f7c {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x20007f7c 4>;
+		zephyr,memory-region = "DFU_DBL_RESET_MEM";
+		status = "okay";
+
+		retainedmem {
+			compatible = "zephyr,retained-ram";
+			status = "okay";
+		};
+	};
+
+	aliases {
+		retainedmemdevice = &retainedmem0;
+	};
+};
+
+&sram0 {
+	/* Shrink SRAM size to avoid overlap with retained memory region */
+	reg = <0x20000000 DT_SIZE_K(252)>;
+};