add Quokka keyboard

keyboards/quokka/config.h

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+/*
+Copyright 2023 @dlford
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 150U
+
+#define WS2812_PIO_USE_PIO1
+#define RGB_MATRIX_LED_COUNT 36
+
+#define I2C_DRIVER I2CD1
+#define I2C1_SDA_PIN GP2
+#define I2C1_SCL_PIN GP3
+#define OLED_DISPLAY_128X64
+
+#define AUDIO_PIN GP9
+#define AUDIO_PWM_DRIVER PWMD4
+#define AUDIO_PWM_CHANNEL RP2040_PWM_CHANNEL_B
+
+#define SERIAL_USART_FULL_DUPLEX
+#define SERIAL_PIO_USE_PIO0
+#define SERIAL_USART_RX_PIN GP1

keyboards/quokka/halconf.h

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+/*
+Copyright 2023 @dlford
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define HAL_USE_PWM TRUE
+#define HAL_USE_PAL TRUE
+#define HAL_USE_I2C TRUE
+
+#include_next <halconf.h>