zmk/app/boards/arm/bluemicro840/arduino_pro_micro_pins.dtsi

/*
 * Copyright (c) 2020 Derek Schmell
 *
 * SPDX-License-Identifier: MIT
 */

/ {
    pro_micro: connector {
        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   D2 */
            , <1 0 &gpio0 6 0>      /* D1   D3*/
            , <2 0 &gpio0 15 0>     /* D2   D1*/
            , <3 0 &gpio0 17 0>     /* D3   D0*/
            , <4 0 &gpio0 20 0>     /* D4/A6    D4*/
            , <5 0 &gpio0 13 0>     /* D5   C6*/
            , <6 0 &gpio0 24 0>     /* D6/A7    D7*/
            , <7 0 &gpio0 9 0>      /* D7   E6*/
            , <8 0 &gpio0 10 0>     /* D8/A8    B4*/
            , <9 0 &gpio1 6 0>      /* D9/A9    B5*/
            , <10 0 &gpio1 11 0>        /* D10/A10  B6*/
            , <16 0 &gpio0 28 0>    /* D16  B2*/
            , <14 0 &gpio0 3 0> /* D14  B3*/
            , <15 0 &gpio1 13 0>    /* D15  B1*/
            , <18 0 &gpio0 2 0> /* D18/A0   F7*/
            , <19 0 &gpio0 29 0>    /* D19/A1   F6*/
            , <20 0 &gpio0 26 0>    /* D20/A2   F5*/
            , <21 0 &gpio0 30 0>    /* D21/A3   F4*/
            ;
    };

    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>  /* D18/A0   F7*/
            , <1 0 &gpio0 29 0> /* D19/A1   F6*/
            , <2 0 &gpio0 26 0> /* D20/A2   F5*/
            , <3 0 &gpio0 30 0> /* D21/A3   F4*/
            , <6 0 &gpio0 20 0> /* D4/A6    D4*/
            , <7 0 &gpio0 24 0> /* D6/A7    D7*/
            , <8 0 &gpio0 10 0> /* D8/A8    B4*/
            , <9 0 &gpio1 6 0>  /* D9/A9    B5*/
            , <10 0 &gpio1 11 0>    /* D10/A10  B6*/
            ;
    };
};

pro_micro_d: &pro_micro {};
pro_micro_i2c: &i2c0 {};
pro_micro_spi: &spi1 {};
pro_micro_serial: &uart0 {};