corne-zmk-config/config/boards/arm/sofle/corne.dtsi

/*
*
* Copyright (c) 2021 Darryl deHaan
* SPDX-License-Identifier: MIT
*
*/

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include <dt-bindings/led/led.h>
#include <dt-bindings/zmk/matrix_transform.h>

/ {
    model = "corne";
    compatible = "corne";

    chosen {
        zephyr,code-partition = &code_partition;
        zephyr,sram = &sram0;
        zephyr,flash = &flash0;
        zmk,kscan = &kscan0;
        zephyr,display = &oled;
        zephyr,console = &cdc_acm_uart;
        zmk,underglow = &led_strip;
        zmk,matrix-transform = &default_transform;
    };

	left_encoder: encoder_left {
		compatible = "alps,ec11";
		label = "LEFT_ENCODER";
		resolution = <4>;
		status = "disabled";
	};

    sensors {
		compatible = "zmk,keymap-sensors";
		sensors = <&left_encoder>;
	};
    
    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <14>;
        rows = <5>;
                    map = <
            RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5)  RC(0,7) RC(0,8) RC(0,9) RC(0,10) RC(0,11) RC(0,12) RC(0,13)
            RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5)  RC(1,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11) RC(1,12) RC(1,13)
            RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5)  RC(2,7) RC(2,8) RC(2,9) RC(2,10) RC(2,11) RC(2,12) RC(2,13)
                                    RC(3,3) RC(3,4) RC(3,5)  RC(3,7) RC(3,8) RC(3,9) RC(2,10)
                            RC(4,2)                          RC(4,7) 
        >;
    };
};

&adc {
    status = "okay";
};

&gpiote {
    status = "okay";
};

&gpio0 {
    status = "okay";
};

&gpio1 {
    status = "okay";
};

&usbd {
    status = "okay";
    cdc_acm_uart: cdc_acm_uart {
        compatible = "zephyr,cdc-acm-uart";
    };
};

&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>;

        sd_partition: partition@0 {
            reg = <0x00000000 0x00026000>;
        };
        code_partition: partition@26000 {
            reg = <0x00026000 0x000c6000>;
        };

        /*
         * The flash starting at 0x000ec000 and ending at
         * 0x000f3fff is reserved for use by the application.
         */

        /*
         * Storage partition will be used by FCB/LittleFS/NVS
         * if enabled.
         */
        storage_partition: partition@ec000 {
            reg = <0x000ec000 0x00008000>;
        };

        boot_partition: partition@f4000 {
            reg = <0x000f4000 0x0000c000>;
        };
    };
};

&pinctrl {
    i2c0_default: i2c0_default {
        group1 {
            psels = <NRF_PSEL(TWIM_SDA, 0, 17)>,
                <NRF_PSEL(TWIM_SCL, 0, 20)>;
        };
    };

    i2c0_sleep: i2c0_sleep {
        group1 {
            psels = <NRF_PSEL(TWIM_SDA, 0, 17)>,
                <NRF_PSEL(TWIM_SCL, 0, 20)>;
            low-power-enable;
        };
    };

    spi3_default: spi3_default {
        group1 {
            psels = <NRF_PSEL(SPIM_MOSI, 1, 12)>; // WS2812_VEXT_DATA
        };
    };

    spi3_sleep: spi3_sleep {
        group1 {
            psels = <NRF_PSEL(SPIM_MOSI, 1, 12)>;
            low-power-enable;
        };
    };
};

&i2c0 {
	status = "okay";

	compatible = "nordic,nrf-twi";
	pinctrl-0 = <&i2c0_default>;
	pinctrl-1 = <&i2c0_sleep>;
	pinctrl-names = "default", "sleep";
	oled: ssd1306@3c {
		compatible = "solomon,ssd1306fb";
		reg = <0x3c>;
		label = "DISPLAY";
		width = <128>;
		height = <32>;
		segment-offset = <0>;
		page-offset = <0>;
		display-offset = <0>;
		multiplex-ratio = <31>;
		segment-remap;
		com-invdir;
		com-sequential;
		prechargep = <0x22>;
	};
};

&spi3 {
    compatible = "nordic,nrf-spim";
    status = "okay";

    pinctrl-0 = <&spi3_default>;
    pinctrl-1 = <&spi3_sleep>;
    pinctrl-names = "default", "sleep";

    led_strip: ws2812@0 {
        compatible = "worldsemi,ws2812-spi";

        /* SPI */
        reg = <0>; /* ignored, but necessary for SPI bindings */
        spi-max-frequency = <4000000>;

        /* WS2812 */
        chain-length = <6>; 
        spi-one-frame = <0x70>;
        spi-zero-frame = <0x40>;

        color-mapping = <LED_COLOR_ID_GREEN LED_COLOR_ID_RED LED_COLOR_ID_BLUE>;
    };
};