qmk_firmware/keyboards/boardsource/unicorne/config.h

// Copyright 2023 jack (@waffle87)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once

#define I2C_DRIVER I2CD1
#define I2C1_SDA_PIN GP22
#define I2C1_SCL_PIN GP23

#define AUDIO_PIN GP28
#define AUDIO_PWM_DRIVER PWMD6
#define AUDIO_INIT_DELAY
#define AUDIO_PWM_CHANNEL RP2040_PWM_CHANNEL_A
#define STARTUP_SONG SONG(ODE_TO_JOY)

#define ANALOG_JOYSTICK_Y_AXIS_PIN GP26
#define ANALOG_JOYSTICK_X_AXIS_PIN GP27
#define POINTING_DEVICE_INVERT_Y
#define POINTING_DEVICE_INVERT_X