zmk_mf68/app/boards/shields/tidbit/tidbit.dtsi

/*
 * Copyright (c) 2020 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

#include <dt-bindings/zmk/matrix_transform.h>

/ {
	kscan0: kscan {
		compatible = "zmk,kscan-gpio-matrix";
		label = "KSCAN";

		diode-direction = "row2col";

		row-gpios
			= <&pro_micro 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			;

		col-gpios
			= <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 20 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 18 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			;

	};

	default_transform: keymap_transform_0 {
		compatible = "zmk,matrix-transform";
		columns = <4>;
		rows = <5>;

		map = <
			RC(0,1) RC(0,2) RC(0,3)
			RC(1,0) RC(1,1) RC(1,2) RC(1,3)
			RC(2,0) RC(2,1) RC(2,2) RC(2,3)
			RC(3,0) RC(3,1) RC(3,2) RC(3,3)
			RC(4,0) RC(4,1) RC(4,2) RC(4,3)
		>;
	};

	encoder_1_top_row: encoder_1_top_row {
		compatible = "alps,ec11";
		label = "Top Row Encoder";
		a-gpios = <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <4>;
		status = "disabled";
	};

	encoder_1: encoder_1 {
		compatible = "alps,ec11";
		label = "Encoder 1";
		a-gpios = <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <4>;
		status = "disabled";
	};

	encoder_2: encoder_2 {
		compatible = "alps,ec11";
		label = "Encoder 2";
		a-gpios = <&pro_micro 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&pro_micro 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <4>;
		status = "disabled";
	};

	encoder_3: encoder_3 {
		compatible = "alps,ec11";
		label = "Encoder 3";
		a-gpios = <&pro_micro 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&pro_micro 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <4>;
		status = "disabled";
	};

	encoder_4: encoder_4 {
		compatible = "alps,ec11";
		label = "Encoder 4";
		a-gpios = <&pro_micro 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		b-gpios = <&pro_micro 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		resolution = <4>;
		status = "disabled";
	};

	chosen {
		zephyr,display = &oled;
		zmk,kscan = &kscan0;
		zmk,matrix_transform = &default_transform;
	};
};

&pro_micro_i2c {
	status = "okay";

	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>;
	};
};