Relocate platform specific drivers (#13894)

* Relocate platform specific drivers

* Move stm eeprom

* Tidy up slightly

15 files changed, 0 insertions, 2390 deletions

diff --git a/drivers/chibios/analog.c b/drivers/chibios/analog.c
deleted file mode 100644
index 8c476fcac2..0000000000
--- a/drivers/chibios/analog.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/* Copyright 2019 Drew Mills
- *
- * 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/>.
- */
-
-#include "quantum.h"
-#include "analog.h"
-#include <ch.h>
-#include <hal.h>
-
-#if !HAL_USE_ADC
-#    error "You need to set HAL_USE_ADC to TRUE in your halconf.h to use the ADC."
-#endif
-
-#if !STM32_ADC_USE_ADC1 && !STM32_ADC_USE_ADC2 && !STM32_ADC_USE_ADC3 && !STM32_ADC_USE_ADC4
-#    error "You need to set one of the 'STM32_ADC_USE_ADCx' settings to TRUE in your mcuconf.h to use the ADC."
-#endif
-
-#if STM32_ADC_DUAL_MODE
-#    error "STM32 ADC Dual Mode is not supported at this time."
-#endif
-
-#if STM32_ADCV3_OVERSAMPLING
-#    error "STM32 ADCV3 Oversampling is not supported at this time."
-#endif
-
-// Otherwise assume V3
-#if defined(STM32F0XX) || defined(STM32L0XX)
-#    define USE_ADCV1
-#elif defined(STM32F1XX) || defined(STM32F2XX) || defined(STM32F4XX)
-#    define USE_ADCV2
-#endif
-
-// BODGE to make v2 look like v1,3 and 4
-#ifdef USE_ADCV2
-#    if !defined(ADC_SMPR_SMP_1P5) && defined(ADC_SAMPLE_3)
-#        define ADC_SMPR_SMP_1P5 ADC_SAMPLE_3
-#        define ADC_SMPR_SMP_7P5 ADC_SAMPLE_15
-#        define ADC_SMPR_SMP_13P5 ADC_SAMPLE_28
-#        define ADC_SMPR_SMP_28P5 ADC_SAMPLE_56
-#        define ADC_SMPR_SMP_41P5 ADC_SAMPLE_84
-#        define ADC_SMPR_SMP_55P5 ADC_SAMPLE_112
-#        define ADC_SMPR_SMP_71P5 ADC_SAMPLE_144
-#        define ADC_SMPR_SMP_239P5 ADC_SAMPLE_480
-#    endif
-
-#    if !defined(ADC_SMPR_SMP_1P5) && defined(ADC_SAMPLE_1P5)
-#        define ADC_SMPR_SMP_1P5 ADC_SAMPLE_1P5
-#        define ADC_SMPR_SMP_7P5 ADC_SAMPLE_7P5
-#        define ADC_SMPR_SMP_13P5 ADC_SAMPLE_13P5
-#        define ADC_SMPR_SMP_28P5 ADC_SAMPLE_28P5
-#        define ADC_SMPR_SMP_41P5 ADC_SAMPLE_41P5
-#        define ADC_SMPR_SMP_55P5 ADC_SAMPLE_55P5
-#        define ADC_SMPR_SMP_71P5 ADC_SAMPLE_71P5
-#        define ADC_SMPR_SMP_239P5 ADC_SAMPLE_239P5
-#    endif
-
-// we still sample at 12bit, but scale down to the requested bit range
-#    define ADC_CFGR1_RES_12BIT 12
-#    define ADC_CFGR1_RES_10BIT 10
-#    define ADC_CFGR1_RES_8BIT 8
-#    define ADC_CFGR1_RES_6BIT 6
-#endif
-
-/* User configurable ADC options */
-#ifndef ADC_COUNT
-#    if defined(STM32F0XX) || defined(STM32F1XX) || defined(STM32F4XX)
-#        define ADC_COUNT 1
-#    elif defined(STM32F3XX)
-#        define ADC_COUNT 4
-#    else
-#        error "ADC_COUNT has not been set for this ARM microcontroller."
-#    endif
-#endif
-
-#ifndef ADC_NUM_CHANNELS
-#    define ADC_NUM_CHANNELS 1
-#elif ADC_NUM_CHANNELS != 1
-#    error "The ARM ADC implementation currently only supports reading one channel at a time."
-#endif
-
-#ifndef ADC_BUFFER_DEPTH
-#    define ADC_BUFFER_DEPTH 1
-#endif
-
-// For more sampling rate options, look at hal_adc_lld.h in ChibiOS
-#ifndef ADC_SAMPLING_RATE
-#    define ADC_SAMPLING_RATE ADC_SMPR_SMP_1P5
-#endif
-
-// Options are 12, 10, 8, and 6 bit.
-#ifndef ADC_RESOLUTION
-#    ifdef ADC_CFGR_RES_10BITS  // ADCv3, ADCv4
-#        define ADC_RESOLUTION ADC_CFGR_RES_10BITS
-#    else  // ADCv1, ADCv5, or the bodge for ADCv2 above
-#        define ADC_RESOLUTION ADC_CFGR1_RES_10BIT
-#    endif
-#endif
-
-static ADCConfig   adcCfg = {};
-static adcsample_t sampleBuffer[ADC_NUM_CHANNELS * ADC_BUFFER_DEPTH];
-
-// Initialize to max number of ADCs, set to empty object to initialize all to false.
-static bool adcInitialized[ADC_COUNT] = {};
-
-// TODO: add back TR handling???
-static ADCConversionGroup adcConversionGroup = {
-    .circular     = FALSE,
-    .num_channels = (uint16_t)(ADC_NUM_CHANNELS),
-#if defined(USE_ADCV1)
-    .cfgr1 = ADC_CFGR1_CONT | ADC_RESOLUTION,
-    .smpr  = ADC_SAMPLING_RATE,
-#elif defined(USE_ADCV2)
-#    if !defined(STM32F1XX)
-    .cr2 = ADC_CR2_SWSTART,  // F103 seem very unhappy with, F401 seems very unhappy without...
-#    endif
-    .smpr2 = ADC_SMPR2_SMP_AN0(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN1(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN2(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN3(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN4(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN5(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN6(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN7(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN8(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN9(ADC_SAMPLING_RATE),
-    .smpr1 = ADC_SMPR1_SMP_AN10(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN11(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN12(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN13(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN14(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN15(ADC_SAMPLING_RATE),
-#else
-    .cfgr = ADC_CFGR_CONT | ADC_RESOLUTION,
-    .smpr = {ADC_SMPR1_SMP_AN0(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN1(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN2(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN3(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN4(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN5(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN6(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN7(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN8(ADC_SAMPLING_RATE) | ADC_SMPR1_SMP_AN9(ADC_SAMPLING_RATE), ADC_SMPR2_SMP_AN10(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN11(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN12(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN13(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN14(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN15(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN16(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN17(ADC_SAMPLING_RATE) | ADC_SMPR2_SMP_AN18(ADC_SAMPLING_RATE)},
-#endif
-};
-
-// clang-format off
-__attribute__((weak)) adc_mux pinToMux(pin_t pin) {
-    switch (pin) {
-#if defined(STM32F0XX)
-        case A0:  return TO_MUX( ADC_CHSELR_CHSEL0,  0 );
-        case A1:  return TO_MUX( ADC_CHSELR_CHSEL1,  0 );
-        case A2:  return TO_MUX( ADC_CHSELR_CHSEL2,  0 );
-        case A3:  return TO_MUX( ADC_CHSELR_CHSEL3,  0 );
-        case A4:  return TO_MUX( ADC_CHSELR_CHSEL4,  0 );
-        case A5:  return TO_MUX( ADC_CHSELR_CHSEL5,  0 );
-        case A6:  return TO_MUX( ADC_CHSELR_CHSEL6,  0 );
-        case A7:  return TO_MUX( ADC_CHSELR_CHSEL7,  0 );
-        case B0:  return TO_MUX( ADC_CHSELR_CHSEL8,  0 );
-        case B1:  return TO_MUX( ADC_CHSELR_CHSEL9,  0 );
-        case C0:  return TO_MUX( ADC_CHSELR_CHSEL10, 0 );
-        case C1:  return TO_MUX( ADC_CHSELR_CHSEL11, 0 );
-        case C2:  return TO_MUX( ADC_CHSELR_CHSEL12, 0 );
-        case C3:  return TO_MUX( ADC_CHSELR_CHSEL13, 0 );
-        case C4:  return TO_MUX( ADC_CHSELR_CHSEL14, 0 );
-        case C5:  return TO_MUX( ADC_CHSELR_CHSEL15, 0 );
-#elif defined(STM32F3XX)
-        case A0:  return TO_MUX( ADC_CHANNEL_IN1,  0 );
-        case A1:  return TO_MUX( ADC_CHANNEL_IN2,  0 );
-        case A2:  return TO_MUX( ADC_CHANNEL_IN3,  0 );
-        case A3:  return TO_MUX( ADC_CHANNEL_IN4,  0 );
-        case A4:  return TO_MUX( ADC_CHANNEL_IN1,  1 );
-        case A5:  return TO_MUX( ADC_CHANNEL_IN2,  1 );
-        case A6:  return TO_MUX( ADC_CHANNEL_IN3,  1 );
-        case A7:  return TO_MUX( ADC_CHANNEL_IN4,  1 );
-        case B0:  return TO_MUX( ADC_CHANNEL_IN12, 2 );
-        case B1:  return TO_MUX( ADC_CHANNEL_IN1,  2 );
-        case B2:  return TO_MUX( ADC_CHANNEL_IN12, 1 );
-        case B12: return TO_MUX( ADC_CHANNEL_IN3,  3 );
-        case B13: return TO_MUX( ADC_CHANNEL_IN5,  2 );
-        case B14: return TO_MUX( ADC_CHANNEL_IN4,  3 );
-        case B15: return TO_MUX( ADC_CHANNEL_IN5,  3 );
-        case C0:  return TO_MUX( ADC_CHANNEL_IN6,  0 ); // Can also be ADC2
-        case C1:  return TO_MUX( ADC_CHANNEL_IN7,  0 ); // Can also be ADC2
-        case C2:  return TO_MUX( ADC_CHANNEL_IN8,  0 ); // Can also be ADC2
-        case C3:  return TO_MUX( ADC_CHANNEL_IN9,  0 ); // Can also be ADC2
-        case C4:  return TO_MUX( ADC_CHANNEL_IN5,  1 );
-        case C5:  return TO_MUX( ADC_CHANNEL_IN11, 1 );
-        case D8:  return TO_MUX( ADC_CHANNEL_IN12, 3 );
-        case D9:  return TO_MUX( ADC_CHANNEL_IN13, 3 );
-        case D10: return TO_MUX( ADC_CHANNEL_IN7,  2 ); // Can also be ADC4
-        case D11: return TO_MUX( ADC_CHANNEL_IN8,  2 ); // Can also be ADC4
-        case D12: return TO_MUX( ADC_CHANNEL_IN9,  2 ); // Can also be ADC4
-        case D13: return TO_MUX( ADC_CHANNEL_IN10, 2 ); // Can also be ADC4
-        case D14: return TO_MUX( ADC_CHANNEL_IN11, 2 ); // Can also be ADC4
-        case E7:  return TO_MUX( ADC_CHANNEL_IN13, 2 );
-        case E8:  return TO_MUX( ADC_CHANNEL_IN6,  2 ); // Can also be ADC4
-        case E9:  return TO_MUX( ADC_CHANNEL_IN2,  2 );
-        case E10: return TO_MUX( ADC_CHANNEL_IN14, 2 );
-        case E11: return TO_MUX( ADC_CHANNEL_IN15, 2 );
-        case E12: return TO_MUX( ADC_CHANNEL_IN16, 2 );
-        case E13: return TO_MUX( ADC_CHANNEL_IN3,  2 );
-        case E14: return TO_MUX( ADC_CHANNEL_IN1,  3 );
-        case E15: return TO_MUX( ADC_CHANNEL_IN2,  3 );
-        case F2:  return TO_MUX( ADC_CHANNEL_IN10, 0 ); // Can also be ADC2
-        case F4:  return TO_MUX( ADC_CHANNEL_IN5,  0 );
-#elif defined(STM32F4XX)
-        case A0:  return TO_MUX( ADC_CHANNEL_IN0,  0 );
-        case A1:  return TO_MUX( ADC_CHANNEL_IN1,  0 );
-        case A2:  return TO_MUX( ADC_CHANNEL_IN2,  0 );
-        case A3:  return TO_MUX( ADC_CHANNEL_IN3,  0 );
-        case A4:  return TO_MUX( ADC_CHANNEL_IN4,  0 );
-        case A5:  return TO_MUX( ADC_CHANNEL_IN5,  0 );
-        case A6:  return TO_MUX( ADC_CHANNEL_IN6,  0 );
-        case A7:  return TO_MUX( ADC_CHANNEL_IN7,  0 );
-        case B0:  return TO_MUX( ADC_CHANNEL_IN8,  0 );
-        case B1:  return TO_MUX( ADC_CHANNEL_IN9,  0 );
-        case C0:  return TO_MUX( ADC_CHANNEL_IN10, 0 );
-        case C1:  return TO_MUX( ADC_CHANNEL_IN11, 0 );
-        case C2:  return TO_MUX( ADC_CHANNEL_IN12, 0 );
-        case C3:  return TO_MUX( ADC_CHANNEL_IN13, 0 );
-        case C4:  return TO_MUX( ADC_CHANNEL_IN14, 0 );
-        case C5:  return TO_MUX( ADC_CHANNEL_IN15, 0 );
-#    if STM32_ADC_USE_ADC3
-        case F3:  return TO_MUX( ADC_CHANNEL_IN9,  2 );
-        case F4:  return TO_MUX( ADC_CHANNEL_IN14, 2 );
-        case F5:  return TO_MUX( ADC_CHANNEL_IN15, 2 );
-        case F6:  return TO_MUX( ADC_CHANNEL_IN4,  2 );
-        case F7:  return TO_MUX( ADC_CHANNEL_IN5,  2 );
-        case F8:  return TO_MUX( ADC_CHANNEL_IN6,  2 );
-        case F9:  return TO_MUX( ADC_CHANNEL_IN7,  2 );
-        case F10: return TO_MUX( ADC_CHANNEL_IN8,  2 );
-#    endif
-#elif defined(STM32F1XX)
-        case A0:  return TO_MUX( ADC_CHANNEL_IN0,  0 );
-        case A1:  return TO_MUX( ADC_CHANNEL_IN1,  0 );
-        case A2:  return TO_MUX( ADC_CHANNEL_IN2,  0 );
-        case A3:  return TO_MUX( ADC_CHANNEL_IN3,  0 );
-        case A4:  return TO_MUX( ADC_CHANNEL_IN4,  0 );
-        case A5:  return TO_MUX( ADC_CHANNEL_IN5,  0 );
-        case A6:  return TO_MUX( ADC_CHANNEL_IN6,  0 );
-        case A7:  return TO_MUX( ADC_CHANNEL_IN7,  0 );
-        case B0:  return TO_MUX( ADC_CHANNEL_IN8,  0 );
-        case B1:  return TO_MUX( ADC_CHANNEL_IN9,  0 );
-        case C0:  return TO_MUX( ADC_CHANNEL_IN10, 0 );
-        case C1:  return TO_MUX( ADC_CHANNEL_IN11, 0 );
-        case C2:  return TO_MUX( ADC_CHANNEL_IN12, 0 );
-        case C3:  return TO_MUX( ADC_CHANNEL_IN13, 0 );
-        case C4:  return TO_MUX( ADC_CHANNEL_IN14, 0 );
-        case C5:  return TO_MUX( ADC_CHANNEL_IN15, 0 );
-        // STM32F103x[C-G] in 144-pin packages also have analog inputs on F6...F10, but they are on ADC3, and the
-        // ChibiOS ADC driver for STM32F1xx currently supports only ADC1, therefore these pins are not usable.
-#endif
-    }
-
-    // return an adc that would never be used so intToADCDriver will bail out
-    return TO_MUX(0, 0xFF);
-}
-// clang-format on
-
-static inline ADCDriver* intToADCDriver(uint8_t adcInt) {
-    switch (adcInt) {
-#if STM32_ADC_USE_ADC1
-        case 0:
-            return &ADCD1;
-#endif
-#if STM32_ADC_USE_ADC2
-        case 1:
-            return &ADCD2;
-#endif
-#if STM32_ADC_USE_ADC3
-        case 2:
-            return &ADCD3;
-#endif
-#if STM32_ADC_USE_ADC4
-        case 3:
-            return &ADCD4;
-#endif
-    }
-
-    return NULL;
-}
-
-static inline void manageAdcInitializationDriver(uint8_t adc, ADCDriver* adcDriver) {
-    if (!adcInitialized[adc]) {
-        adcStart(adcDriver, &adcCfg);
-        adcInitialized[adc] = true;
-    }
-}
-
-int16_t analogReadPin(pin_t pin) {
-    palSetLineMode(pin, PAL_MODE_INPUT_ANALOG);
-
-    return adc_read(pinToMux(pin));
-}
-
-int16_t analogReadPinAdc(pin_t pin, uint8_t adc) {
-    palSetLineMode(pin, PAL_MODE_INPUT_ANALOG);
-
-    adc_mux target = pinToMux(pin);
-    target.adc     = adc;
-    return adc_read(target);
-}
-
-int16_t adc_read(adc_mux mux) {
-#if defined(USE_ADCV1)
-    // TODO: fix previous assumption of only 1 input...
-    adcConversionGroup.chselr = 1 << mux.input; /*no macro to convert N to ADC_CHSELR_CHSEL1*/
-#elif defined(USE_ADCV2)
-    adcConversionGroup.sqr3 = ADC_SQR3_SQ1_N(mux.input);
-#else
-    adcConversionGroup.sqr[0] = ADC_SQR1_SQ1_N(mux.input);
-#endif
-
-    ADCDriver* targetDriver = intToADCDriver(mux.adc);
-    if (!targetDriver) {
-        return 0;
-    }
-
-    manageAdcInitializationDriver(mux.adc, targetDriver);
-    if (adcConvert(targetDriver, &adcConversionGroup, &sampleBuffer[0], ADC_BUFFER_DEPTH) != MSG_OK) {
-        return 0;
-    }
-
-#ifdef USE_ADCV2
-    // fake 12-bit -> N-bit scale
-    return (*sampleBuffer) >> (12 - ADC_RESOLUTION);
-#else
-    // already handled as part of adcConvert
-    return *sampleBuffer;
-#endif
-}
diff --git a/drivers/chibios/analog.h b/drivers/chibios/analog.h
deleted file mode 100644
index e61c394265..0000000000
--- a/drivers/chibios/analog.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* Copyright 2019 Drew Mills
- *
- * 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
-
-#include <stdint.h>
-#include "quantum.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct {
-    uint16_t input;
-    uint8_t  adc;
-} adc_mux;
-#define TO_MUX(i, a) \
-    (adc_mux) { i, a }
-
-int16_t analogReadPin(pin_t pin);
-int16_t analogReadPinAdc(pin_t pin, uint8_t adc);
-adc_mux pinToMux(pin_t pin);
-
-int16_t adc_read(adc_mux mux);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/drivers/chibios/i2c_master.c b/drivers/chibios/i2c_master.c
deleted file mode 100644
index fc4bb2ab37..0000000000
--- a/drivers/chibios/i2c_master.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* Copyright 2018 Jack Humbert
- * Copyright 2018 Yiancar
- *
- * 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/>.
- */
-
-/* This library is only valid for STM32 processors.
- * This library follows the convention of the AVR i2c_master library.
- * As a result addresses are expected to be already shifted (addr << 1).
- * I2CD1 is the default driver which corresponds to pins B6 and B7. This
- * can be changed.
- * Please ensure that HAL_USE_I2C is TRUE in the halconf.h file and that
- * STM32_I2C_USE_I2C1 is TRUE in the mcuconf.h file. Pins B6 and B7 are used
- * but using any other I2C pins should be trivial.
- */
-#include "quantum.h"
-#include "i2c_master.h"
-#include <string.h>
-#include <hal.h>
-
-static uint8_t i2c_address;
-
-static const I2CConfig i2cconfig = {
-#if defined(USE_I2CV1_CONTRIB)
-    I2C1_CLOCK_SPEED,
-#elif defined(USE_I2CV1)
-    I2C1_OPMODE,
-    I2C1_CLOCK_SPEED,
-    I2C1_DUTY_CYCLE,
-#else
-    // This configures the I2C clock to 400khz assuming a 72Mhz clock
-    // For more info : https://www.st.com/en/embedded-software/stsw-stm32126.html
-    STM32_TIMINGR_PRESC(I2C1_TIMINGR_PRESC) | STM32_TIMINGR_SCLDEL(I2C1_TIMINGR_SCLDEL) | STM32_TIMINGR_SDADEL(I2C1_TIMINGR_SDADEL) | STM32_TIMINGR_SCLH(I2C1_TIMINGR_SCLH) | STM32_TIMINGR_SCLL(I2C1_TIMINGR_SCLL), 0, 0
-#endif
-};
-
-static i2c_status_t chibios_to_qmk(const msg_t* status) {
-    switch (*status) {
-        case I2C_NO_ERROR:
-            return I2C_STATUS_SUCCESS;
-        case I2C_TIMEOUT:
-            return I2C_STATUS_TIMEOUT;
-        // I2C_BUS_ERROR, I2C_ARBITRATION_LOST, I2C_ACK_FAILURE, I2C_OVERRUN, I2C_PEC_ERROR, I2C_SMB_ALERT
-        default:
-            return I2C_STATUS_ERROR;
-    }
-}
-
-__attribute__((weak)) void i2c_init(void) {
-    static bool is_initialised = false;
-    if (!is_initialised) {
-        is_initialised = true;
-
-        // Try releasing special pins for a short time
-        palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_INPUT);
-        palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_INPUT);
-
-        chThdSleepMilliseconds(10);
-#if defined(USE_GPIOV1)
-        palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, I2C1_SCL_PAL_MODE);
-        palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, I2C1_SDA_PAL_MODE);
-#else
-        palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
-        palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
-#endif
-    }
-}
-
-i2c_status_t i2c_start(uint8_t address) {
-    i2c_address = address;
-    i2cStart(&I2C_DRIVER, &i2cconfig);
-    return I2C_STATUS_SUCCESS;
-}
-
-i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_address = address;
-    i2cStart(&I2C_DRIVER, &i2cconfig);
-    msg_t status = i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, 0, 0, TIME_MS2I(timeout));
-    return chibios_to_qmk(&status);
-}
-
-i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_address = address;
-    i2cStart(&I2C_DRIVER, &i2cconfig);
-    msg_t status = i2cMasterReceiveTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, TIME_MS2I(timeout));
-    return chibios_to_qmk(&status);
-}
-
-i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_address = devaddr;
-    i2cStart(&I2C_DRIVER, &i2cconfig);
-
-    uint8_t complete_packet[length + 1];
-    for (uint8_t i = 0; i < length; i++) {
-        complete_packet[i + 1] = data[i];
-    }
-    complete_packet[0] = regaddr;
-
-    msg_t status = i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), complete_packet, length + 1, 0, 0, TIME_MS2I(timeout));
-    return chibios_to_qmk(&status);
-}
-
-i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout) {
-    i2c_address = devaddr;
-    i2cStart(&I2C_DRIVER, &i2cconfig);
-    msg_t status = i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), &regaddr, 1, data, length, TIME_MS2I(timeout));
-    return chibios_to_qmk(&status);
-}
-
-void i2c_stop(void) { i2cStop(&I2C_DRIVER); }
diff --git a/drivers/chibios/i2c_master.h b/drivers/chibios/i2c_master.h
deleted file mode 100644
index c68109acbd..0000000000
--- a/drivers/chibios/i2c_master.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Copyright 2018 Jack Humbert
- * Copyright 2018 Yiancar
- *
- * 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/>.
- */
-
-/* This library follows the convention of the AVR i2c_master library.
- * As a result addresses are expected to be already shifted (addr << 1).
- * I2CD1 is the default driver which corresponds to pins B6 and B7. This
- * can be changed.
- * Please ensure that HAL_USE_I2C is TRUE in the halconf.h file and that
- * STM32_I2C_USE_I2C1 is TRUE in the mcuconf.h file.
- */
-#pragma once
-
-#include <ch.h>
-#include <hal.h>
-
-#ifdef I2C1_BANK
-#    define I2C1_SCL_BANK I2C1_BANK
-#    define I2C1_SDA_BANK I2C1_BANK
-#endif
-
-#ifndef I2C1_SCL_BANK
-#    define I2C1_SCL_BANK GPIOB
-#endif
-
-#ifndef I2C1_SDA_BANK
-#    define I2C1_SDA_BANK GPIOB
-#endif
-
-#ifndef I2C1_SCL
-#    define I2C1_SCL 6
-#endif
-#ifndef I2C1_SDA
-#    define I2C1_SDA 7
-#endif
-
-#ifdef USE_I2CV1
-#    ifndef I2C1_OPMODE
-#        define I2C1_OPMODE OPMODE_I2C
-#    endif
-#    ifndef I2C1_CLOCK_SPEED
-#        define I2C1_CLOCK_SPEED 100000 /* 400000 */
-#    endif
-#    ifndef I2C1_DUTY_CYCLE
-#        define I2C1_DUTY_CYCLE STD_DUTY_CYCLE /* FAST_DUTY_CYCLE_2 */
-#    endif
-#else
-// The default timing values below configures the I2C clock to 400khz assuming a 72Mhz clock
-// For more info : https://www.st.com/en/embedded-software/stsw-stm32126.html
-#    ifndef I2C1_TIMINGR_PRESC
-#        define I2C1_TIMINGR_PRESC 0U
-#    endif
-#    ifndef I2C1_TIMINGR_SCLDEL
-#        define I2C1_TIMINGR_SCLDEL 7U
-#    endif
-#    ifndef I2C1_TIMINGR_SDADEL
-#        define I2C1_TIMINGR_SDADEL 0U
-#    endif
-#    ifndef I2C1_TIMINGR_SCLH
-#        define I2C1_TIMINGR_SCLH 38U
-#    endif
-#    ifndef I2C1_TIMINGR_SCLL
-#        define I2C1_TIMINGR_SCLL 129U
-#    endif
-#endif
-
-#ifndef I2C_DRIVER
-#    define I2C_DRIVER I2CD1
-#endif
-
-#ifdef USE_GPIOV1
-#    ifndef I2C1_SCL_PAL_MODE
-#        define I2C1_SCL_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
-#    endif
-#    ifndef I2C1_SDA_PAL_MODE
-#        define I2C1_SDA_PAL_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
-#    endif
-#else
-// The default PAL alternate modes are used to signal that the pins are used for I2C
-#    ifndef I2C1_SCL_PAL_MODE
-#        define I2C1_SCL_PAL_MODE 4
-#    endif
-#    ifndef I2C1_SDA_PAL_MODE
-#        define I2C1_SDA_PAL_MODE 4
-#    endif
-#endif
-
-typedef int16_t i2c_status_t;
-
-#define I2C_STATUS_SUCCESS (0)
-#define I2C_STATUS_ERROR (-1)
-#define I2C_STATUS_TIMEOUT (-2)
-
-void         i2c_init(void);
-i2c_status_t i2c_start(uint8_t address);
-i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout);
-i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
-i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout);
-i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
-void         i2c_stop(void);
diff --git a/drivers/chibios/serial.c b/drivers/chibios/serial.c
deleted file mode 100644
index f54fbcee4e..0000000000
--- a/drivers/chibios/serial.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * WARNING: be careful changing this code, it is very timing dependent
- */
-
-#include "quantum.h"
-#include "serial.h"
-#include "wait.h"
-
-#include <hal.h>
-
-// TODO: resolve/remove build warnings
-#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT) && defined(PROTOCOL_CHIBIOS) && defined(WS2812_DRIVER_BITBANG)
-#    warning "RGBLED_SPLIT not supported with bitbang WS2812 driver"
-#endif
-
-// default wait implementation cannot be called within interrupt
-//   this method seems to be more accurate than GPT timers
-#if PORT_SUPPORTS_RT == FALSE
-#    error "chSysPolledDelayX method not supported on this platform"
-#else
-#    undef wait_us
-#    define wait_us(x) chSysPolledDelayX(US2RTC(STM32_SYSCLK, x))
-#endif
-
-#ifndef SELECT_SOFT_SERIAL_SPEED
-#    define SELECT_SOFT_SERIAL_SPEED 1
-// TODO: correct speeds...
-//  0: about 189kbps (Experimental only)
-//  1: about 137kbps (default)
-//  2: about 75kbps
-//  3: about 39kbps
-//  4: about 26kbps
-//  5: about 20kbps
-#endif
-
-// Serial pulse period in microseconds. At the moment, going lower than 12 causes communication failure
-#if SELECT_SOFT_SERIAL_SPEED == 0
-#    define SERIAL_DELAY 12
-#elif SELECT_SOFT_SERIAL_SPEED == 1
-#    define SERIAL_DELAY 16
-#elif SELECT_SOFT_SERIAL_SPEED == 2
-#    define SERIAL_DELAY 24
-#elif SELECT_SOFT_SERIAL_SPEED == 3
-#    define SERIAL_DELAY 32
-#elif SELECT_SOFT_SERIAL_SPEED == 4
-#    define SERIAL_DELAY 48
-#elif SELECT_SOFT_SERIAL_SPEED == 5
-#    define SERIAL_DELAY 64
-#else
-#    error invalid SELECT_SOFT_SERIAL_SPEED value
-#endif
-
-inline static void serial_delay(void) { wait_us(SERIAL_DELAY); }
-inline static void serial_delay_half(void) { wait_us(SERIAL_DELAY / 2); }
-inline static void serial_delay_blip(void) { wait_us(1); }
-inline static void serial_output(void) { setPinOutput(SOFT_SERIAL_PIN); }
-inline static void serial_input(void) { setPinInputHigh(SOFT_SERIAL_PIN); }
-inline static bool serial_read_pin(void) { return !!readPin(SOFT_SERIAL_PIN); }
-inline static void serial_low(void) { writePinLow(SOFT_SERIAL_PIN); }
-inline static void serial_high(void) { writePinHigh(SOFT_SERIAL_PIN); }
-
-void interrupt_handler(void *arg);
-
-// Use thread + palWaitLineTimeout instead of palSetLineCallback
-//  - Methods like setPinOutput and palEnableLineEvent/palDisableLineEvent
-//    cause the interrupt to lock up, which would limit to only receiving data...
-static THD_WORKING_AREA(waThread1, 128);
-static THD_FUNCTION(Thread1, arg) {
-    (void)arg;
-    chRegSetThreadName("blinker");
-    while (true) {
-        palWaitLineTimeout(SOFT_SERIAL_PIN, TIME_INFINITE);
-        interrupt_handler(NULL);
-    }
-}
-
-void soft_serial_initiator_init(void) {
-    serial_output();
-    serial_high();
-}
-
-void soft_serial_target_init(void) {
-    serial_input();
-
-    palEnablePadEvent(PAL_PORT(SOFT_SERIAL_PIN), PAL_PAD(SOFT_SERIAL_PIN), PAL_EVENT_MODE_FALLING_EDGE);
-    chThdCreateStatic(waThread1, sizeof(waThread1), HIGHPRIO, Thread1, NULL);
-}
-
-// Used by the master to synchronize timing with the slave.
-static void __attribute__((noinline)) sync_recv(void) {
-    serial_input();
-    // This shouldn't hang if the slave disconnects because the
-    // serial line will float to high if the slave does disconnect.
-    while (!serial_read_pin()) {
-    }
-
-    serial_delay();
-}
-
-// Used by the slave to send a synchronization signal to the master.
-static void __attribute__((noinline)) sync_send(void) {
-    serial_output();
-
-    serial_low();
-    serial_delay();
-
-    serial_high();
-}
-
-// Reads a byte from the serial line
-static uint8_t __attribute__((noinline)) serial_read_byte(void) {
-    uint8_t byte = 0;
-    serial_input();
-    for (uint8_t i = 0; i < 8; ++i) {
-        byte = (byte << 1) | serial_read_pin();
-        serial_delay();
-    }
-
-    return byte;
-}
-
-// Sends a byte with MSB ordering
-static void __attribute__((noinline)) serial_write_byte(uint8_t data) {
-    uint8_t b = 8;
-    serial_output();
-    while (b--) {
-        if (data & (1 << b)) {
-            serial_high();
-        } else {
-            serial_low();
-        }
-        serial_delay();
-    }
-}
-
-// interrupt handle to be used by the slave device
-void interrupt_handler(void *arg) {
-    chSysLockFromISR();
-
-    sync_send();
-
-    // read mid pulses
-    serial_delay_blip();
-
-    uint8_t checksum_computed = 0;
-    int     sstd_index        = 0;
-
-    sstd_index = serial_read_byte();
-    sync_send();
-
-    split_transaction_desc_t *trans = &split_transaction_table[sstd_index];
-    for (int i = 0; i < trans->initiator2target_buffer_size; ++i) {
-        split_trans_initiator2target_buffer(trans)[i] = serial_read_byte();
-        sync_send();
-        checksum_computed += split_trans_initiator2target_buffer(trans)[i];
-    }
-    checksum_computed ^= 7;
-    uint8_t checksum_received = serial_read_byte();
-    sync_send();
-
-    // wait for the sync to finish sending
-    serial_delay();
-
-    // Allow any slave processing to occur
-    if (trans->slave_callback) {
-        trans->slave_callback(trans->initiator2target_buffer_size, split_trans_initiator2target_buffer(trans), trans->target2initiator_buffer_size, split_trans_target2initiator_buffer(trans));
-    }
-
-    uint8_t checksum = 0;
-    for (int i = 0; i < trans->target2initiator_buffer_size; ++i) {
-        serial_write_byte(split_trans_target2initiator_buffer(trans)[i]);
-        sync_send();
-        serial_delay_half();
-        checksum += split_trans_target2initiator_buffer(trans)[i];
-    }
-    serial_write_byte(checksum ^ 7);
-    sync_send();
-
-    // wait for the sync to finish sending
-    serial_delay();
-
-    *trans->status = (checksum_computed == checksum_received) ? TRANSACTION_ACCEPTED : TRANSACTION_DATA_ERROR;
-
-    // end transaction
-    serial_input();
-
-    // TODO: remove extra delay between transactions
-    serial_delay();
-
-    chSysUnlockFromISR();
-}
-
-/////////
-//  start transaction by initiator
-//
-// int  soft_serial_transaction(int sstd_index)
-//
-// Returns:
-//    TRANSACTION_END
-//    TRANSACTION_NO_RESPONSE
-//    TRANSACTION_DATA_ERROR
-// this code is very time dependent, so we need to disable interrupts
-int soft_serial_transaction(int sstd_index) {
-    if (sstd_index > NUM_TOTAL_TRANSACTIONS) return TRANSACTION_TYPE_ERROR;
-    split_transaction_desc_t *trans = &split_transaction_table[sstd_index];
-    if (!trans->status) return TRANSACTION_TYPE_ERROR;  // not registered
-
-    // TODO: remove extra delay between transactions
-    serial_delay();
-
-    // this code is very time dependent, so we need to disable interrupts
-    chSysLock();
-
-    // signal to the slave that we want to start a transaction
-    serial_output();
-    serial_low();
-    serial_delay_blip();
-
-    // wait for the slaves response
-    serial_input();
-    serial_high();
-    serial_delay();
-
-    // check if the slave is present
-    if (serial_read_pin()) {
-        // slave failed to pull the line low, assume not present
-        dprintf("serial::NO_RESPONSE\n");
-        chSysUnlock();
-        return TRANSACTION_NO_RESPONSE;
-    }
-
-    // if the slave is present syncronize with it
-
-    uint8_t checksum = 0;
-    // send data to the slave
-    serial_write_byte(sstd_index);  // first chunk is transaction id
-    sync_recv();
-
-    for (int i = 0; i < trans->initiator2target_buffer_size; ++i) {
-        serial_write_byte(split_trans_initiator2target_buffer(trans)[i]);
-        sync_recv();
-        checksum += split_trans_initiator2target_buffer(trans)[i];
-    }
-    serial_write_byte(checksum ^ 7);
-    sync_recv();
-
-    serial_delay();
-    serial_delay();  // read mid pulses
-
-    // receive data from the slave
-    uint8_t checksum_computed = 0;
-    for (int i = 0; i < trans->target2initiator_buffer_size; ++i) {
-        split_trans_target2initiator_buffer(trans)[i] = serial_read_byte();
-        sync_recv();
-        checksum_computed += split_trans_target2initiator_buffer(trans)[i];
-    }
-    checksum_computed ^= 7;
-    uint8_t checksum_received = serial_read_byte();
-
-    sync_recv();
-    serial_delay();
-
-    if ((checksum_computed) != (checksum_received)) {
-        dprintf("serial::FAIL[%u,%u,%u]\n", checksum_computed, checksum_received, sstd_index);
-        serial_output();
-        serial_high();
-
-        chSysUnlock();
-        return TRANSACTION_DATA_ERROR;
-    }
-
-    // always, release the line when not in use
-    serial_high();
-    serial_output();
-
-    chSysUnlock();
-    return TRANSACTION_END;
-}
diff --git a/drivers/chibios/serial_usart.c b/drivers/chibios/serial_usart.c
deleted file mode 100644
index ea4473791c..0000000000
--- a/drivers/chibios/serial_usart.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/* Copyright 2021 QMK
- *
- * 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 3 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/>.
- */
-
-#include "serial_usart.h"
-
-#if defined(SERIAL_USART_CONFIG)
-static SerialConfig serial_config = SERIAL_USART_CONFIG;
-#else
-static SerialConfig serial_config = {
-    .speed = (SERIAL_USART_SPEED), /* speed - mandatory */
-    .cr1   = (SERIAL_USART_CR1),
-    .cr2   = (SERIAL_USART_CR2),
-#    if !defined(SERIAL_USART_FULL_DUPLEX)
-    .cr3   = ((SERIAL_USART_CR3) | USART_CR3_HDSEL) /* activate half-duplex mode */
-#    else
-    .cr3 = (SERIAL_USART_CR3)
-#    endif
-};
-#endif
-
-static SerialDriver* serial_driver = &SERIAL_USART_DRIVER;
-
-static inline bool react_to_transactions(void);
-static inline bool __attribute__((nonnull)) receive(uint8_t* destination, const size_t size);
-static inline bool __attribute__((nonnull)) send(const uint8_t* source, const size_t size);
-static inline int  initiate_transaction(uint8_t sstd_index);
-static inline void usart_clear(void);
-
-/**
- * @brief Clear the receive input queue.
- */
-static inline void usart_clear(void) {
-    osalSysLock();
-    bool volatile queue_not_empty = !iqIsEmptyI(&serial_driver->iqueue);
-    osalSysUnlock();
-
-    while (queue_not_empty) {
-        osalSysLock();
-        /* Hard reset the input queue. */
-        iqResetI(&serial_driver->iqueue);
-        osalSysUnlock();
-        /* Allow pending interrupts to preempt.
-         * Do not merge the lock/unlock blocks into one
-         * or the code will not work properly.
-         * The empty read adds a tiny amount of delay. */
-        (void)queue_not_empty;
-        osalSysLock();
-        queue_not_empty = !iqIsEmptyI(&serial_driver->iqueue);
-        osalSysUnlock();
-    }
-}
-
-/**
- * @brief Blocking send of buffer with timeout.
- *
- * @return true Send success.
- * @return false Send failed.
- */
-static inline bool send(const uint8_t* source, const size_t size) {
-    bool success = (size_t)sdWriteTimeout(serial_driver, source, size, TIME_MS2I(SERIAL_USART_TIMEOUT)) == size;
-
-#if !defined(SERIAL_USART_FULL_DUPLEX)
-    if (success) {
-        /* Half duplex fills the input queue with the data we wrote - just throw it away.
-           Under the right circumstances (e.g. bad cables paired with high baud rates)
-           less bytes can be present in the input queue, therefore a timeout is needed. */
-        uint8_t dump[size];
-        return receive(dump, size);
-    }
-#endif
-
-    return success;
-}
-
-/**
- * @brief  Blocking receive of size * bytes with timeout.
- *
- * @return true Receive success.
- * @return false Receive failed.
- */
-static inline bool receive(uint8_t* destination, const size_t size) {
-    bool success = (size_t)sdReadTimeout(serial_driver, destination, size, TIME_MS2I(SERIAL_USART_TIMEOUT)) == size;
-    return success;
-}
-
-#if !defined(SERIAL_USART_FULL_DUPLEX)
-
-/**
- * @brief Initiate pins for USART peripheral. Half-duplex configuration.
- */
-__attribute__((weak)) void usart_init(void) {
-#    if defined(MCU_STM32)
-#        if defined(USE_GPIOV1)
-    palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
-#        else
-    palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_TX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
-#        endif
-
-#        if defined(USART_REMAP)
-    USART_REMAP;
-#        endif
-#    else
-#        pragma message "usart_init: MCU Familiy not supported by default, please supply your own init code by implementing usart_init() in your keyboard files."
-#    endif
-}
-
-#else
-
-/**
- * @brief Initiate pins for USART peripheral. Full-duplex configuration.
- */
-__attribute__((weak)) void usart_init(void) {
-#    if defined(MCU_STM32)
-#        if defined(USE_GPIOV1)
-    palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_STM32_ALTERNATE_PUSHPULL);
-    palSetLineMode(SERIAL_USART_RX_PIN, PAL_MODE_INPUT);
-#        else
-    palSetLineMode(SERIAL_USART_TX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_TX_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-    palSetLineMode(SERIAL_USART_RX_PIN, PAL_MODE_ALTERNATE(SERIAL_USART_RX_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-#        endif
-
-#        if defined(USART_REMAP)
-    USART_REMAP;
-#        endif
-#    else
-#        pragma message "usart_init: MCU Familiy not supported by default, please supply your own init code by implementing usart_init() in your keyboard files."
-#    endif
-}
-
-#endif
-
-/**
- * @brief Overridable master specific initializations.
- */
-__attribute__((weak, nonnull)) void usart_master_init(SerialDriver** driver) {
-    (void)driver;
-    usart_init();
-}
-
-/**
- * @brief Overridable slave specific initializations.
- */
-__attribute__((weak, nonnull)) void usart_slave_init(SerialDriver** driver) {
-    (void)driver;
-    usart_init();
-}
-
-/**
- * @brief This thread runs on the slave and responds to transactions initiated
- * by the master.
- */
-static THD_WORKING_AREA(waSlaveThread, 1024);
-static THD_FUNCTION(SlaveThread, arg) {
-    (void)arg;
-    chRegSetThreadName("usart_tx_rx");
-
-    while (true) {
-        if (!react_to_transactions()) {
-            /* Clear the receive queue, to start with a clean slate.
-             * Parts of failed transactions or spurious bytes could still be in it. */
-            usart_clear();
-        }
-    }
-}
-
-/**
- * @brief Slave specific initializations.
- */
-void soft_serial_target_init(void) {
-    usart_slave_init(&serial_driver);
-
-    sdStart(serial_driver, &serial_config);
-
-    /* Start transport thread. */
-    chThdCreateStatic(waSlaveThread, sizeof(waSlaveThread), HIGHPRIO, SlaveThread, NULL);
-}
-
-/**
- * @brief React to transactions started by the master.
- */
-static inline bool react_to_transactions(void) {
-    /* Wait until there is a transaction for us. */
-    uint8_t sstd_index = (uint8_t)sdGet(serial_driver);
-
-    /* Sanity check that we are actually responding to a valid transaction. */
-    if (sstd_index >= NUM_TOTAL_TRANSACTIONS) {
-        return false;
-    }
-
-    split_transaction_desc_t* trans = &split_transaction_table[sstd_index];
-
-    /* Send back the handshake which is XORed as a simple checksum,
-     to signal that the slave is ready to receive possible transaction buffers  */
-    sstd_index ^= HANDSHAKE_MAGIC;
-    if (!send(&sstd_index, sizeof(sstd_index))) {
-        *trans->status = TRANSACTION_DATA_ERROR;
-        return false;
-    }
-
-    /* Receive transaction buffer from the master. If this transaction requires it.*/
-    if (trans->initiator2target_buffer_size) {
-        if (!receive(split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size)) {
-            *trans->status = TRANSACTION_DATA_ERROR;
-            return false;
-        }
-    }
-
-    /* Allow any slave processing to occur. */
-    if (trans->slave_callback) {
-        trans->slave_callback(trans->initiator2target_buffer_size, split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size, split_trans_target2initiator_buffer(trans));
-    }
-
-    /* Send transaction buffer to the master. If this transaction requires it. */
-    if (trans->target2initiator_buffer_size) {
-        if (!send(split_trans_target2initiator_buffer(trans), trans->target2initiator_buffer_size)) {
-            *trans->status = TRANSACTION_DATA_ERROR;
-            return false;
-        }
-    }
-
-    *trans->status = TRANSACTION_ACCEPTED;
-    return true;
-}
-
-/**
- * @brief Master specific initializations.
- */
-void soft_serial_initiator_init(void) {
-    usart_master_init(&serial_driver);
-
-#if defined(MCU_STM32) && defined(SERIAL_USART_PIN_SWAP)
-    serial_config.cr2 |= USART_CR2_SWAP;  // master has swapped TX/RX pins
-#endif
-
-    sdStart(serial_driver, &serial_config);
-}
-
-/**
- * @brief Start transaction from the master half to the slave half.
- *
- * @param index Transaction Table index of the transaction to start.
- * @return int TRANSACTION_NO_RESPONSE in case of Timeout.
- *             TRANSACTION_TYPE_ERROR in case of invalid transaction index.
- *             TRANSACTION_END in case of success.
- */
-int soft_serial_transaction(int index) {
-    /* Clear the receive queue, to start with a clean slate.
-     * Parts of failed transactions or spurious bytes could still be in it. */
-    usart_clear();
-    return initiate_transaction((uint8_t)index);
-}
-
-/**
- * @brief Initiate transaction to slave half.
- */
-static inline int initiate_transaction(uint8_t sstd_index) {
-    /* Sanity check that we are actually starting a valid transaction. */
-    if (sstd_index >= NUM_TOTAL_TRANSACTIONS) {
-        dprintln("USART: Illegal transaction Id.");
-        return TRANSACTION_TYPE_ERROR;
-    }
-
-    split_transaction_desc_t* trans = &split_transaction_table[sstd_index];
-
-    /* Transaction is not registered. Abort. */
-    if (!trans->status) {
-        dprintln("USART: Transaction not registered.");
-        return TRANSACTION_TYPE_ERROR;
-    }
-
-    /* Send transaction table index to the slave, which doubles as basic handshake token. */
-    if (!send(&sstd_index, sizeof(sstd_index))) {
-        dprintln("USART: Send Handshake failed.");
-        return TRANSACTION_TYPE_ERROR;
-    }
-
-    uint8_t sstd_index_shake = 0xFF;
-
-    /* Which we always read back first so that we can error out correctly.
-     *   - due to the half duplex limitations on return codes, we always have to read *something*.
-     *   - without the read, write only transactions *always* succeed, even during the boot process where the slave is not ready.
-     */
-    if (!receive(&sstd_index_shake, sizeof(sstd_index_shake)) || (sstd_index_shake != (sstd_index ^ HANDSHAKE_MAGIC))) {
-        dprintln("USART: Handshake failed.");
-        return TRANSACTION_NO_RESPONSE;
-    }
-
-    /* Send transaction buffer to the slave. If this transaction requires it. */
-    if (trans->initiator2target_buffer_size) {
-        if (!send(split_trans_initiator2target_buffer(trans), trans->initiator2target_buffer_size)) {
-            dprintln("USART: Send failed.");
-            return TRANSACTION_NO_RESPONSE;
-        }
-    }
-
-    /* Receive transaction buffer from the slave. If this transaction requires it. */
-    if (trans->target2initiator_buffer_size) {
-        if (!receive(split_trans_target2initiator_buffer(trans), trans->target2initiator_buffer_size)) {
-            dprintln("USART: Receive failed.");
-            return TRANSACTION_NO_RESPONSE;
-        }
-    }
-
-    return TRANSACTION_END;
-}
diff --git a/drivers/chibios/serial_usart.h b/drivers/chibios/serial_usart.h
deleted file mode 100644
index c64e15566f..0000000000
--- a/drivers/chibios/serial_usart.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Copyright 2021 QMK
- *
- * 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 3 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
-
-#include "quantum.h"
-#include "serial.h"
-#include "printf.h"
-
-#include <ch.h>
-#include <hal.h>
-
-#if !defined(SERIAL_USART_DRIVER)
-#    define SERIAL_USART_DRIVER SD1
-#endif
-
-#if !defined(USE_GPIOV1)
-/* The default PAL alternate modes are used to signal that the pins are used for USART. */
-#    if !defined(SERIAL_USART_TX_PAL_MODE)
-#        define SERIAL_USART_TX_PAL_MODE 7
-#    endif
-#    if !defined(SERIAL_USART_RX_PAL_MODE)
-#        define SERIAL_USART_RX_PAL_MODE 7
-#    endif
-#endif
-
-#if defined(SOFT_SERIAL_PIN)
-#    define SERIAL_USART_TX_PIN SOFT_SERIAL_PIN
-#endif
-
-#if !defined(SERIAL_USART_TX_PIN)
-#    define SERIAL_USART_TX_PIN A9
-#endif
-
-#if !defined(SERIAL_USART_RX_PIN)
-#    define SERIAL_USART_RX_PIN A10
-#endif
-
-#if !defined(USART_CR1_M0)
-#    define USART_CR1_M0 USART_CR1_M  // some platforms (f1xx) dont have this so
-#endif
-
-#if !defined(SERIAL_USART_CR1)
-#    define SERIAL_USART_CR1 (USART_CR1_PCE | USART_CR1_PS | USART_CR1_M0)  // parity enable, odd parity, 9 bit length
-#endif
-
-#if !defined(SERIAL_USART_CR2)
-#    define SERIAL_USART_CR2 (USART_CR2_STOP_1)  // 2 stop bits
-#endif
-
-#if !defined(SERIAL_USART_CR3)
-#    define SERIAL_USART_CR3 0
-#endif
-
-#if defined(USART1_REMAP)
-#    define USART_REMAP                             \
-        do {                                        \
-            (AFIO->MAPR |= AFIO_MAPR_USART1_REMAP); \
-        } while (0)
-#elif defined(USART2_REMAP)
-#    define USART_REMAP                             \
-        do {                                        \
-            (AFIO->MAPR |= AFIO_MAPR_USART2_REMAP); \
-        } while (0)
-#elif defined(USART3_PARTIALREMAP)
-#    define USART_REMAP                                          \
-        do {                                                     \
-            (AFIO->MAPR |= AFIO_MAPR_USART3_REMAP_PARTIALREMAP); \
-        } while (0)
-#elif defined(USART3_FULLREMAP)
-#    define USART_REMAP                                       \
-        do {                                                  \
-            (AFIO->MAPR |= AFIO_MAPR_USART3_REMAP_FULLREMAP); \
-        } while (0)
-#endif
-
-#if !defined(SELECT_SOFT_SERIAL_SPEED)
-#    define SELECT_SOFT_SERIAL_SPEED 1
-#endif
-
-#if defined(SERIAL_USART_SPEED)
-// Allow advanced users to directly set SERIAL_USART_SPEED
-#elif SELECT_SOFT_SERIAL_SPEED == 0
-#    define SERIAL_USART_SPEED 460800
-#elif SELECT_SOFT_SERIAL_SPEED == 1
-#    define SERIAL_USART_SPEED 230400
-#elif SELECT_SOFT_SERIAL_SPEED == 2
-#    define SERIAL_USART_SPEED 115200
-#elif SELECT_SOFT_SERIAL_SPEED == 3
-#    define SERIAL_USART_SPEED 57600
-#elif SELECT_SOFT_SERIAL_SPEED == 4
-#    define SERIAL_USART_SPEED 38400
-#elif SELECT_SOFT_SERIAL_SPEED == 5
-#    define SERIAL_USART_SPEED 19200
-#else
-#    error invalid SELECT_SOFT_SERIAL_SPEED value
-#endif
-
-#if !defined(SERIAL_USART_TIMEOUT)
-#    define SERIAL_USART_TIMEOUT 100
-#endif
-
-#define HANDSHAKE_MAGIC 7
diff --git a/drivers/chibios/spi_master.c b/drivers/chibios/spi_master.c
deleted file mode 100644
index 28ddcbb2ba..0000000000
--- a/drivers/chibios/spi_master.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* Copyright 2020 Nick Brassel (tzarc)
- *
- *  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 3 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 <https://www.gnu.org/licenses/>.
- */
-
-#include "spi_master.h"
-
-#include "timer.h"
-
-static pin_t currentSlavePin = NO_PIN;
-
-#if defined(K20x) || defined(KL2x)
-static SPIConfig spiConfig = {NULL, 0, 0, 0};
-#else
-static SPIConfig spiConfig = {false, NULL, 0, 0, 0, 0};
-#endif
-
-__attribute__((weak)) void spi_init(void) {
-    static bool is_initialised = false;
-    if (!is_initialised) {
-        is_initialised = true;
-
-        // Try releasing special pins for a short time
-        setPinInput(SPI_SCK_PIN);
-        setPinInput(SPI_MOSI_PIN);
-        setPinInput(SPI_MISO_PIN);
-
-        chThdSleepMilliseconds(10);
-#if defined(USE_GPIOV1)
-        palSetPadMode(PAL_PORT(SPI_SCK_PIN), PAL_PAD(SPI_SCK_PIN), SPI_SCK_PAL_MODE);
-        palSetPadMode(PAL_PORT(SPI_MOSI_PIN), PAL_PAD(SPI_MOSI_PIN), SPI_MOSI_PAL_MODE);
-        palSetPadMode(PAL_PORT(SPI_MISO_PIN), PAL_PAD(SPI_MISO_PIN), SPI_MISO_PAL_MODE);
-#else
-        palSetPadMode(PAL_PORT(SPI_SCK_PIN), PAL_PAD(SPI_SCK_PIN), PAL_MODE_ALTERNATE(SPI_SCK_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-        palSetPadMode(PAL_PORT(SPI_MOSI_PIN), PAL_PAD(SPI_MOSI_PIN), PAL_MODE_ALTERNATE(SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-        palSetPadMode(PAL_PORT(SPI_MISO_PIN), PAL_PAD(SPI_MISO_PIN), PAL_MODE_ALTERNATE(SPI_MISO_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
-#endif
-    }
-}
-
-bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) {
-    if (currentSlavePin != NO_PIN || slavePin == NO_PIN) {
-        return false;
-    }
-
-    uint16_t roundedDivisor = 2;
-    while (roundedDivisor < divisor) {
-        roundedDivisor <<= 1;
-    }
-
-    if (roundedDivisor < 2 || roundedDivisor > 256) {
-        return false;
-    }
-
-#if defined(K20x) || defined(KL2x)
-    spiConfig.tar0 = SPIx_CTARn_FMSZ(7) | SPIx_CTARn_ASC(1);
-
-    if (lsbFirst) {
-        spiConfig.tar0 |= SPIx_CTARn_LSBFE;
-    }
-
-    switch (mode) {
-        case 0:
-            break;
-        case 1:
-            spiConfig.tar0 |= SPIx_CTARn_CPHA;
-            break;
-        case 2:
-            spiConfig.tar0 |= SPIx_CTARn_CPOL;
-            break;
-        case 3:
-            spiConfig.tar0 |= SPIx_CTARn_CPHA | SPIx_CTARn_CPOL;
-            break;
-    }
-
-    switch (roundedDivisor) {
-        case 2:
-            spiConfig.tar0 |= SPIx_CTARn_BR(0);
-            break;
-        case 4:
-            spiConfig.tar0 |= SPIx_CTARn_BR(1);
-            break;
-        case 8:
-            spiConfig.tar0 |= SPIx_CTARn_BR(3);
-            break;
-        case 16:
-            spiConfig.tar0 |= SPIx_CTARn_BR(4);
-            break;
-        case 32:
-            spiConfig.tar0 |= SPIx_CTARn_BR(5);
-            break;
-        case 64:
-            spiConfig.tar0 |= SPIx_CTARn_BR(6);
-            break;
-        case 128:
-            spiConfig.tar0 |= SPIx_CTARn_BR(7);
-            break;
-        case 256:
-            spiConfig.tar0 |= SPIx_CTARn_BR(8);
-            break;
-    }
-#else
-    spiConfig.cr1 = 0;
-
-    if (lsbFirst) {
-        spiConfig.cr1 |= SPI_CR1_LSBFIRST;
-    }
-
-    switch (mode) {
-        case 0:
-            break;
-        case 1:
-            spiConfig.cr1 |= SPI_CR1_CPHA;
-            break;
-        case 2:
-            spiConfig.cr1 |= SPI_CR1_CPOL;
-            break;
-        case 3:
-            spiConfig.cr1 |= SPI_CR1_CPHA | SPI_CR1_CPOL;
-            break;
-    }
-
-    switch (roundedDivisor) {
-        case 2:
-            break;
-        case 4:
-            spiConfig.cr1 |= SPI_CR1_BR_0;
-            break;
-        case 8:
-            spiConfig.cr1 |= SPI_CR1_BR_1;
-            break;
-        case 16:
-            spiConfig.cr1 |= SPI_CR1_BR_1 | SPI_CR1_BR_0;
-            break;
-        case 32:
-            spiConfig.cr1 |= SPI_CR1_BR_2;
-            break;
-        case 64:
-            spiConfig.cr1 |= SPI_CR1_BR_2 | SPI_CR1_BR_0;
-            break;
-        case 128:
-            spiConfig.cr1 |= SPI_CR1_BR_2 | SPI_CR1_BR_1;
-            break;
-        case 256:
-            spiConfig.cr1 |= SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0;
-            break;
-    }
-#endif
-
-    currentSlavePin  = slavePin;
-    spiConfig.ssport = PAL_PORT(slavePin);
-    spiConfig.sspad  = PAL_PAD(slavePin);
-
-    setPinOutput(slavePin);
-    spiStart(&SPI_DRIVER, &spiConfig);
-    spiSelect(&SPI_DRIVER);
-
-    return true;
-}
-
-spi_status_t spi_write(uint8_t data) {
-    uint8_t rxData;
-    spiExchange(&SPI_DRIVER, 1, &data, &rxData);
-
-    return rxData;
-}
-
-spi_status_t spi_read(void) {
-    uint8_t data = 0;
-    spiReceive(&SPI_DRIVER, 1, &data);
-
-    return data;
-}
-
-spi_status_t spi_transmit(const uint8_t *data, uint16_t length) {
-    spiSend(&SPI_DRIVER, length, data);
-    return SPI_STATUS_SUCCESS;
-}
-
-spi_status_t spi_receive(uint8_t *data, uint16_t length) {
-    spiReceive(&SPI_DRIVER, length, data);
-    return SPI_STATUS_SUCCESS;
-}
-
-void spi_stop(void) {
-    if (currentSlavePin != NO_PIN) {
-        spiUnselect(&SPI_DRIVER);
-        spiStop(&SPI_DRIVER);
-        currentSlavePin = NO_PIN;
-    }
-}
diff --git a/drivers/chibios/spi_master.h b/drivers/chibios/spi_master.h
deleted file mode 100644
index b5a6ef1437..0000000000
--- a/drivers/chibios/spi_master.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* Copyright 2020 Nick Brassel (tzarc)
- *
- *  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 3 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 <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <ch.h>
-#include <hal.h>
-#include <stdbool.h>
-
-#include "gpio.h"
-#include "chibios_config.h"
-
-#ifndef SPI_DRIVER
-#    define SPI_DRIVER SPID2
-#endif
-
-#ifndef SPI_SCK_PIN
-#    define SPI_SCK_PIN B13
-#endif
-
-#ifndef SPI_SCK_PAL_MODE
-#    if defined(USE_GPIOV1)
-#        define SPI_SCK_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
-#    else
-#        define SPI_SCK_PAL_MODE 5
-#    endif
-#endif
-
-#ifndef SPI_MOSI_PIN
-#    define SPI_MOSI_PIN B15
-#endif
-
-#ifndef SPI_MOSI_PAL_MODE
-#    if defined(USE_GPIOV1)
-#        define SPI_MOSI_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
-#    else
-#        define SPI_MOSI_PAL_MODE 5
-#    endif
-#endif
-
-#ifndef SPI_MISO_PIN
-#    define SPI_MISO_PIN B14
-#endif
-
-#ifndef SPI_MISO_PAL_MODE
-#    if defined(USE_GPIOV1)
-#        define SPI_MISO_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
-#    else
-#        define SPI_MISO_PAL_MODE 5
-#    endif
-#endif
-
-typedef int16_t spi_status_t;
-
-#define SPI_STATUS_SUCCESS (0)
-#define SPI_STATUS_ERROR (-1)
-#define SPI_STATUS_TIMEOUT (-2)
-
-#define SPI_TIMEOUT_IMMEDIATE (0)
-#define SPI_TIMEOUT_INFINITE (0xFFFF)
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-void spi_init(void);
-
-bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor);
-
-spi_status_t spi_write(uint8_t data);
-
-spi_status_t spi_read(void);
-
-spi_status_t spi_transmit(const uint8_t *data, uint16_t length);
-
-spi_status_t spi_receive(uint8_t *data, uint16_t length);
-
-void spi_stop(void);
-#ifdef __cplusplus
-}
-#endif
diff --git a/drivers/chibios/uart.c b/drivers/chibios/uart.c
deleted file mode 100644
index 030335b342..0000000000
--- a/drivers/chibios/uart.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* Copyright 2021
- *
- *  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 3 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 <https://www.gnu.org/licenses/>.
- */
-
-#include "uart.h"
-
-#include "quantum.h"
-
-static SerialConfig serialConfig = {SERIAL_DEFAULT_BITRATE, SD1_CR1, SD1_CR2, SD1_CR3};
-
-void uart_init(uint32_t baud) {
-    static bool is_initialised = false;
-
-    if (!is_initialised) {
-        is_initialised = true;
-
-        serialConfig.speed = baud;
-
-#if defined(USE_GPIOV1)
-        palSetLineMode(SD1_TX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
-        palSetLineMode(SD1_RX_PIN, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
-#else
-        palSetLineMode(SD1_TX_PIN, PAL_MODE_ALTERNATE(SD1_TX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
-        palSetLineMode(SD1_RX_PIN, PAL_MODE_ALTERNATE(SD1_RX_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
-#endif
-        sdStart(&SERIAL_DRIVER, &serialConfig);
-    }
-}
-
-void uart_putchar(uint8_t c) { sdPut(&SERIAL_DRIVER, c); }
-
-uint8_t uart_getchar(void) {
-    msg_t res = sdGet(&SERIAL_DRIVER);
-
-    return (uint8_t)res;
-}
-
-bool uart_available(void) { return !sdGetWouldBlock(&SERIAL_DRIVER); }
diff --git a/drivers/chibios/uart.h b/drivers/chibios/uart.h
deleted file mode 100644
index b4e20e9fd3..0000000000
--- a/drivers/chibios/uart.h
+++ /dev/null
@@ -1,77 +0,0 @@
-/* Copyright 2021
- *
- *  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 3 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 <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <stdint.h>
-
-#include <hal.h>
-
-#ifndef SERIAL_DRIVER
-#    define SERIAL_DRIVER SD1
-#endif
-
-#ifndef SD1_TX_PIN
-#    define SD1_TX_PIN A9
-#endif
-
-#ifndef SD1_TX_PAL_MODE
-#    define SD1_TX_PAL_MODE 7
-#endif
-
-#ifndef SD1_RX_PIN
-#    define SD1_RX_PIN A10
-#endif
-
-#ifndef SD1_RX_PAL_MODE
-#    define SD1_RX_PAL_MODE 7
-#endif
-
-#ifndef SD1_CTS_PIN
-#    define SD1_CTS_PIN A11
-#endif
-
-#ifndef SD1_CTS_PAL_MODE
-#    define SD1_CTS_PAL_MODE 7
-#endif
-
-#ifndef SD1_RTS_PIN
-#    define SD1_RTS_PIN A12
-#endif
-
-#ifndef SD1_RTS_PAL_MODE
-#    define SD1_RTS_PAL_MODE 7
-#endif
-
-#ifndef SD1_CR1
-#    define SD1_CR1 0
-#endif
-
-#ifndef SD1_CR2
-#    define SD1_CR2 0
-#endif
-
-#ifndef SD1_CR3
-#    define SD1_CR3 0
-#endif
-
-void uart_init(uint32_t baud);
-
-void uart_putchar(uint8_t c);
-
-uint8_t uart_getchar(void);
-
-bool uart_available(void);
diff --git a/drivers/chibios/usbpd_stm32g4.c b/drivers/chibios/usbpd_stm32g4.c
deleted file mode 100644
index f16ca8aeae..0000000000
--- a/drivers/chibios/usbpd_stm32g4.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/* Copyright 2021 Nick Brassel (@tzarc)
- *
- * 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/>.
- */
-
-#include <quantum.h>
-
-#ifndef USBPD_UCPD1_CFG1
-#    define USBPD_UCPD1_CFG1 (UCPD_CFG1_PSC_UCPDCLK_0 | UCPD_CFG1_TRANSWIN_3 | UCPD_CFG1_IFRGAP_4 | UCPD_CFG1_HBITCLKDIV_4)
-#endif  // USBPD_UCPD1_CFG1
-
-// Initialises the USBPD subsystem
-__attribute__((weak)) void usbpd_init(void) {
-    // Disable dead-battery signals
-    PWR->CR3 |= PWR_CR3_UCPD_DBDIS;
-    // Enable the clock for the UCPD1 peripheral
-    RCC->APB1ENR2 |= RCC_APB1ENR2_UCPD1EN;
-
-    // Copy the existing value
-    uint32_t CFG1 = UCPD1->CFG1;
-    // Force-disable UCPD1 before configuring
-    CFG1 &= ~UCPD_CFG1_UCPDEN;
-    // Configure UCPD1
-    CFG1 = USBPD_UCPD1_CFG1;
-    // Apply the changes
-    UCPD1->CFG1 = CFG1;
-    // Enable UCPD1
-    UCPD1->CFG1 |= UCPD_CFG1_UCPDEN;
-
-    // Copy the existing value
-    uint32_t CR = UCPD1->CR;
-    // Clear out ANASUBMODE (irrelevant as a sink device)
-    CR &= ~UCPD_CR_ANASUBMODE_Msk;
-    // Advertise our capabilities as a sink, with both CC lines enabled
-    CR |= UCPD_CR_ANAMODE | UCPD_CR_CCENABLE_Msk;
-    // Apply the changes
-    UCPD1->CR = CR;
-}
-
-// Gets the current state of the USBPD allowance
-__attribute__((weak)) usbpd_allowance_t usbpd_get_allowance(void) {
-    uint32_t CR = UCPD1->CR;
-
-    int ucpd_enabled = (UCPD1->CFG1 & UCPD_CFG1_UCPDEN_Msk) >> UCPD_CFG1_UCPDEN_Pos;
-    int anamode      = (CR & UCPD_CR_ANAMODE_Msk) >> UCPD_CR_ANAMODE_Pos;
-    int cc_enabled   = (CR & UCPD_CR_CCENABLE_Msk) >> UCPD_CR_CCENABLE_Pos;
-
-    if (ucpd_enabled && anamode && cc_enabled) {
-        uint32_t SR         = UCPD1->SR;
-        int      vstate_cc1 = (SR & UCPD_SR_TYPEC_VSTATE_CC1_Msk) >> UCPD_SR_TYPEC_VSTATE_CC1_Pos;
-        int      vstate_cc2 = (SR & UCPD_SR_TYPEC_VSTATE_CC2_Msk) >> UCPD_SR_TYPEC_VSTATE_CC2_Pos;
-        int      vstate_max = vstate_cc1 > vstate_cc2 ? vstate_cc1 : vstate_cc2;
-        switch (vstate_max) {
-            case 0:
-            case 1:
-                return USBPD_500MA;  // Note that this is 500mA (i.e. max USB 2.0), not 900mA, as we're not using USB 3.1 as a sink device.
-            case 2:
-                return USBPD_1500MA;
-            case 3:
-                return USBPD_3000MA;
-        }
-    }
-
-    return USBPD_500MA;
-}
\ No newline at end of file
diff --git a/drivers/chibios/ws2812.c b/drivers/chibios/ws2812.c
deleted file mode 100644
index 0d12e2fb79..0000000000
--- a/drivers/chibios/ws2812.c
+++ /dev/null
@@ -1,114 +0,0 @@
-#include "quantum.h"
-#include "ws2812.h"
-#include <ch.h>
-#include <hal.h>
-
-/* Adapted from https://github.com/bigjosh/SimpleNeoPixelDemo/ */
-
-#ifndef NOP_FUDGE
-#    if defined(STM32F0XX) || defined(STM32F1XX) || defined(STM32F3XX) || defined(STM32F4XX) || defined(STM32L0XX)
-#        define NOP_FUDGE 0.4
-#    else
-#        error("NOP_FUDGE configuration required")
-#        define NOP_FUDGE 1  // this just pleases the compile so the above error is easier to spot
-#    endif
-#endif
-
-// Push Pull or Open Drain Configuration
-// Default Push Pull
-#ifndef WS2812_EXTERNAL_PULLUP
-#    define WS2812_OUTPUT_MODE PAL_MODE_OUTPUT_PUSHPULL
-#else
-#    define WS2812_OUTPUT_MODE PAL_MODE_OUTPUT_OPENDRAIN
-#endif
-
-#define NUMBER_NOPS 6
-#define CYCLES_PER_SEC (STM32_SYSCLK / NUMBER_NOPS * NOP_FUDGE)
-#define NS_PER_SEC (1000000000L)  // Note that this has to be SIGNED since we want to be able to check for negative values of derivatives
-#define NS_PER_CYCLE (NS_PER_SEC / CYCLES_PER_SEC)
-#define NS_TO_CYCLES(n) ((n) / NS_PER_CYCLE)
-
-#define wait_ns(x)                                  \
-    do {                                            \
-        for (int i = 0; i < NS_TO_CYCLES(x); i++) { \
-            __asm__ volatile("nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t"              \
-                             "nop\n\t");            \
-        }                                           \
-    } while (0)
-
-// These are the timing constraints taken mostly from the WS2812 datasheets
-// These are chosen to be conservative and avoid problems rather than for maximum throughput
-
-#define T1H 900           // Width of a 1 bit in ns
-#define T1L (1250 - T1H)  // Width of a 1 bit in ns
-
-#define T0H 350           // Width of a 0 bit in ns
-#define T0L (1250 - T0H)  // Width of a 0 bit in ns
-
-// The reset gap can be 6000 ns, but depending on the LED strip it may have to be increased
-// to values like 600000 ns. If it is too small, the pixels will show nothing most of the time.
-#define RES (1000 * WS2812_TRST_US)  // Width of the low gap between bits to cause a frame to latch
-
-void sendByte(uint8_t byte) {
-    // WS2812 protocol wants most significant bits first
-    for (unsigned char bit = 0; bit < 8; bit++) {
-        bool is_one = byte & (1 << (7 - bit));
-        // using something like wait_ns(is_one ? T1L : T0L) here throws off timings
-        if (is_one) {
-            // 1
-            writePinHigh(RGB_DI_PIN);
-            wait_ns(T1H);
-            writePinLow(RGB_DI_PIN);
-            wait_ns(T1L);
-        } else {
-            // 0
-            writePinHigh(RGB_DI_PIN);
-            wait_ns(T0H);
-            writePinLow(RGB_DI_PIN);
-            wait_ns(T0L);
-        }
-    }
-}
-
-void ws2812_init(void) { palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE); }
-
-// Setleds for standard RGB
-void ws2812_setleds(LED_TYPE *ledarray, uint16_t leds) {
-    static bool s_init = false;
-    if (!s_init) {
-        ws2812_init();
-        s_init = true;
-    }
-
-    // this code is very time dependent, so we need to disable interrupts
-    chSysLock();
-
-    for (uint8_t i = 0; i < leds; i++) {
-        // WS2812 protocol dictates grb order
-#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].r);
-        sendByte(ledarray[i].b);
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
-        sendByte(ledarray[i].r);
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].b);
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
-        sendByte(ledarray[i].b);
-        sendByte(ledarray[i].g);
-        sendByte(ledarray[i].r);
-#endif
-
-#ifdef RGBW
-        sendByte(ledarray[i].w);
-#endif
-    }
-
-    wait_ns(RES);
-
-    chSysUnlock();
-}
diff --git a/drivers/chibios/ws2812_pwm.c b/drivers/chibios/ws2812_pwm.c
deleted file mode 100644
index e6af55b6b3..0000000000
--- a/drivers/chibios/ws2812_pwm.c
+++ /dev/null
@@ -1,311 +0,0 @@
-#include "ws2812.h"
-#include "quantum.h"
-#include <hal.h>
-
-/* Adapted from https://github.com/joewa/WS2812-LED-Driver_ChibiOS/ */
-
-#ifdef RGBW
-#    error "RGBW not supported"
-#endif
-
-#ifndef WS2812_PWM_DRIVER
-#    define WS2812_PWM_DRIVER PWMD2  // TIMx
-#endif
-#ifndef WS2812_PWM_CHANNEL
-#    define WS2812_PWM_CHANNEL 2  // Channel
-#endif
-#ifndef WS2812_PWM_PAL_MODE
-#    define WS2812_PWM_PAL_MODE 2  // DI Pin's alternate function value
-#endif
-#ifndef WS2812_DMA_STREAM
-#    define WS2812_DMA_STREAM STM32_DMA1_STREAM2  // DMA Stream for TIMx_UP
-#endif
-#ifndef WS2812_DMA_CHANNEL
-#    define WS2812_DMA_CHANNEL 2  // DMA Channel for TIMx_UP
-#endif
-#if (STM32_DMA_SUPPORTS_DMAMUX == TRUE) && !defined(WS2812_DMAMUX_ID)
-#    error "please consult your MCU's datasheet and specify in your config.h: #define WS2812_DMAMUX_ID STM32_DMAMUX1_TIM?_UP"
-#endif
-
-#ifndef WS2812_PWM_COMPLEMENTARY_OUTPUT
-#    define WS2812_PWM_OUTPUT_MODE PWM_OUTPUT_ACTIVE_HIGH
-#else
-#    if !STM32_PWM_USE_ADVANCED
-#        error "WS2812_PWM_COMPLEMENTARY_OUTPUT requires STM32_PWM_USE_ADVANCED == TRUE"
-#    endif
-#    define WS2812_PWM_OUTPUT_MODE PWM_COMPLEMENTARY_OUTPUT_ACTIVE_HIGH
-#endif
-
-// Push Pull or Open Drain Configuration
-// Default Push Pull
-#ifndef WS2812_EXTERNAL_PULLUP
-#    if defined(USE_GPIOV1)
-#        define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
-#    else
-#        define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING
-#    endif
-#else
-#    if defined(USE_GPIOV1)
-#        define WS2812_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
-#    else
-#        define WS2812_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_PWM_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING
-#    endif
-#endif
-
-#ifndef WS2812_PWM_TARGET_PERIOD
-//#    define WS2812_PWM_TARGET_PERIOD 800000 // Original code is 800k...?
-#    define WS2812_PWM_TARGET_PERIOD 80000  // TODO: work out why 10x less on f303/f4x1
-#endif
-
-/* --- PRIVATE CONSTANTS ---------------------------------------------------- */
-
-#define WS2812_PWM_FREQUENCY (STM32_SYSCLK / 2)                             /**< Clock frequency of PWM, must be valid with respect to system clock! */
-#define WS2812_PWM_PERIOD (WS2812_PWM_FREQUENCY / WS2812_PWM_TARGET_PERIOD) /**< Clock period in ticks. 1 / 800kHz = 1.25 uS (as per datasheet) */
-
-/**
- * @brief   Number of bit-periods to hold the data line low at the end of a frame
- *
- * The reset period for each frame is defined in WS2812_TRST_US.
- * Calculate the number of zeroes to add at the end assuming 1.25 uS/bit:
- */
-#define WS2812_RESET_BIT_N (1000 * WS2812_TRST_US / 1250)
-#define WS2812_COLOR_BIT_N (RGBLED_NUM * 24)                   /**< Number of data bits */
-#define WS2812_BIT_N (WS2812_COLOR_BIT_N + WS2812_RESET_BIT_N) /**< Total number of bits in a frame */
-
-/**
- * @brief   High period for a zero, in ticks
- *
- * Per the datasheet:
- * WS2812:
- * - T0H: 200 nS to 500 nS, inclusive
- * - T0L: 650 nS to 950 nS, inclusive
- * WS2812B:
- * - T0H: 200 nS to 500 nS, inclusive
- * - T0L: 750 nS to 1050 nS, inclusive
- *
- * The duty cycle is calculated for a high period of 350 nS.
- */
-#define WS2812_DUTYCYCLE_0 (WS2812_PWM_FREQUENCY / (1000000000 / 350))
-
-/**
- * @brief   High period for a one, in ticks
- *
- * Per the datasheet:
- * WS2812:
- * - T1H: 550 nS to 850 nS, inclusive
- * - T1L: 450 nS to 750 nS, inclusive
- * WS2812B:
- * - T1H: 750 nS to 1050 nS, inclusive
- * - T1L: 200 nS to 500 nS, inclusive
- *
- * The duty cycle is calculated for a high period of 800 nS.
- * This is in the middle of the specifications of the WS2812 and WS2812B.
- */
-#define WS2812_DUTYCYCLE_1 (WS2812_PWM_FREQUENCY / (1000000000 / 800))
-
-/* --- PRIVATE MACROS ------------------------------------------------------- */
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given bit
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] byte:                 The byte number [0, 2]
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#define WS2812_BIT(led, byte, bit) (24 * (led) + 8 * (byte) + (7 - (bit)))
-
-#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given red bit
- *
- * @note    The red byte is the middle byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_RED_BIT(led, bit) WS2812_BIT((led), 1, (bit))
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given green bit
- *
- * @note    The red byte is the first byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_GREEN_BIT(led, bit) WS2812_BIT((led), 0, (bit))
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given blue bit
- *
- * @note    The red byte is the last byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit index [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_BLUE_BIT(led, bit) WS2812_BIT((led), 2, (bit))
-
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given red bit
- *
- * @note    The red byte is the middle byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_RED_BIT(led, bit) WS2812_BIT((led), 0, (bit))
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given green bit
- *
- * @note    The red byte is the first byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_GREEN_BIT(led, bit) WS2812_BIT((led), 1, (bit))
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given blue bit
- *
- * @note    The red byte is the last byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit index [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_BLUE_BIT(led, bit) WS2812_BIT((led), 2, (bit))
-
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given red bit
- *
- * @note    The red byte is the middle byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_RED_BIT(led, bit) WS2812_BIT((led), 2, (bit))
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given green bit
- *
- * @note    The red byte is the first byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit number [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_GREEN_BIT(led, bit) WS2812_BIT((led), 1, (bit))
-
-/**
- * @brief   Determine the index in @ref ws2812_frame_buffer "the frame buffer" of a given blue bit
- *
- * @note    The red byte is the last byte in the color packet
- *
- * @param[in] led:                  The led index [0, @ref RGBLED_NUM)
- * @param[in] bit:                  The bit index [0, 7]
- *
- * @return                          The bit index
- */
-#    define WS2812_BLUE_BIT(led, bit) WS2812_BIT((led), 0, (bit))
-#endif
-
-/* --- PRIVATE VARIABLES ---------------------------------------------------- */
-
-static uint32_t ws2812_frame_buffer[WS2812_BIT_N + 1]; /**< Buffer for a frame */
-
-/* --- PUBLIC FUNCTIONS ----------------------------------------------------- */
-/*
- * Gedanke: Double-buffer type transactions: double buffer transfers using two memory pointers for
-the memory (while the DMA is reading/writing from/to a buffer, the application can
-write/read to/from the other buffer).
- */
-
-void ws2812_init(void) {
-    // Initialize led frame buffer
-    uint32_t i;
-    for (i = 0; i < WS2812_COLOR_BIT_N; i++) ws2812_frame_buffer[i] = WS2812_DUTYCYCLE_0;      // All color bits are zero duty cycle
-    for (i = 0; i < WS2812_RESET_BIT_N; i++) ws2812_frame_buffer[i + WS2812_COLOR_BIT_N] = 0;  // All reset bits are zero
-
-    palSetLineMode(RGB_DI_PIN, WS2812_OUTPUT_MODE);
-
-    // PWM Configuration
-    //#pragma GCC diagnostic ignored "-Woverride-init"  // Turn off override-init warning for this struct. We use the overriding ability to set a "default" channel config
-    static const PWMConfig ws2812_pwm_config = {
-        .frequency = WS2812_PWM_FREQUENCY,
-        .period    = WS2812_PWM_PERIOD,  // Mit dieser Periode wird UDE-Event erzeugt und ein neuer Wert (Länge WS2812_BIT_N) vom DMA ins CCR geschrieben
-        .callback  = NULL,
-        .channels =
-            {
-                [0 ... 3]                = {.mode = PWM_OUTPUT_DISABLED, .callback = NULL},     // Channels default to disabled
-                [WS2812_PWM_CHANNEL - 1] = {.mode = WS2812_PWM_OUTPUT_MODE, .callback = NULL},  // Turn on the channel we care about
-            },
-        .cr2  = 0,
-        .dier = TIM_DIER_UDE,  // DMA on update event for next period
-    };
-    //#pragma GCC diagnostic pop  // Restore command-line warning options
-
-    // Configure DMA
-    // dmaInit(); // Joe added this
-    dmaStreamAlloc(WS2812_DMA_STREAM - STM32_DMA_STREAM(0), 10, NULL, NULL);
-    dmaStreamSetPeripheral(WS2812_DMA_STREAM, &(WS2812_PWM_DRIVER.tim->CCR[WS2812_PWM_CHANNEL - 1]));  // Ziel ist der An-Zeit im Cap-Comp-Register
-    dmaStreamSetMemory0(WS2812_DMA_STREAM, ws2812_frame_buffer);
-    dmaStreamSetTransactionSize(WS2812_DMA_STREAM, WS2812_BIT_N);
-    dmaStreamSetMode(WS2812_DMA_STREAM, STM32_DMA_CR_CHSEL(WS2812_DMA_CHANNEL) | STM32_DMA_CR_DIR_M2P | STM32_DMA_CR_PSIZE_WORD | STM32_DMA_CR_MSIZE_WORD | STM32_DMA_CR_MINC | STM32_DMA_CR_CIRC | STM32_DMA_CR_PL(3));
-    // M2P: Memory 2 Periph; PL: Priority Level
-
-#if (STM32_DMA_SUPPORTS_DMAMUX == TRUE)
-    // If the MCU has a DMAMUX we need to assign the correct resource
-    dmaSetRequestSource(WS2812_DMA_STREAM, WS2812_DMAMUX_ID);
-#endif
-
-    // Start DMA
-    dmaStreamEnable(WS2812_DMA_STREAM);
-
-    // Configure PWM
-    // NOTE: It's required that preload be enabled on the timer channel CCR register. This is currently enabled in the
-    // ChibiOS driver code, so we don't have to do anything special to the timer. If we did, we'd have to start the timer,
-    // disable counting, enable the channel, and then make whatever configuration changes we need.
-    pwmStart(&WS2812_PWM_DRIVER, &ws2812_pwm_config);
-    pwmEnableChannel(&WS2812_PWM_DRIVER, WS2812_PWM_CHANNEL - 1, 0);  // Initial period is 0; output will be low until first duty cycle is DMA'd in
-}
-
-void ws2812_write_led(uint16_t led_number, uint8_t r, uint8_t g, uint8_t b) {
-    // Write color to frame buffer
-    for (uint8_t bit = 0; bit < 8; bit++) {
-        ws2812_frame_buffer[WS2812_RED_BIT(led_number, bit)]   = ((r >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
-        ws2812_frame_buffer[WS2812_GREEN_BIT(led_number, bit)] = ((g >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
-        ws2812_frame_buffer[WS2812_BLUE_BIT(led_number, bit)]  = ((b >> bit) & 0x01) ? WS2812_DUTYCYCLE_1 : WS2812_DUTYCYCLE_0;
-    }
-}
-
-// Setleds for standard RGB
-void ws2812_setleds(LED_TYPE* ledarray, uint16_t leds) {
-    static bool s_init = false;
-    if (!s_init) {
-        ws2812_init();
-        s_init = true;
-    }
-
-    for (uint16_t i = 0; i < leds; i++) {
-        ws2812_write_led(i, ledarray[i].r, ledarray[i].g, ledarray[i].b);
-    }
-}
diff --git a/drivers/chibios/ws2812_spi.c b/drivers/chibios/ws2812_spi.c
deleted file mode 100644
index 377a929b94..0000000000
--- a/drivers/chibios/ws2812_spi.c
+++ /dev/null
@@ -1,159 +0,0 @@
-#include "quantum.h"
-#include "ws2812.h"
-
-/* Adapted from https://github.com/gamazeps/ws2812b-chibios-SPIDMA/ */
-
-#ifdef RGBW
-#    error "RGBW not supported"
-#endif
-
-// Define the spi your LEDs are plugged to here
-#ifndef WS2812_SPI
-#    define WS2812_SPI SPID1
-#endif
-
-#ifndef WS2812_SPI_MOSI_PAL_MODE
-#    define WS2812_SPI_MOSI_PAL_MODE 5
-#endif
-
-#ifndef WS2812_SPI_SCK_PAL_MODE
-#    define WS2812_SPI_SCK_PAL_MODE 5
-#endif
-
-// Push Pull or Open Drain Configuration
-// Default Push Pull
-#ifndef WS2812_EXTERNAL_PULLUP
-#    if defined(USE_GPIOV1)
-#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
-#    else
-#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
-#    endif
-#else
-#    if defined(USE_GPIOV1)
-#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_OPENDRAIN
-#    else
-#        define WS2812_MOSI_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_MOSI_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN
-#    endif
-#endif
-
-// Define SPI config speed
-// baudrate should target 3.2MHz
-// F072 fpclk = 48MHz
-// 48/16 = 3Mhz
-#if WS2812_SPI_DIVISOR == 2
-#    define WS2812_SPI_DIVISOR (0)
-#elif WS2812_SPI_DIVISOR == 4
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_0)
-#elif WS2812_SPI_DIVISOR == 8
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_1)
-#elif WS2812_SPI_DIVISOR == 16  // same as default
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_1 | SPI_CR1_BR_0)
-#elif WS2812_SPI_DIVISOR == 32
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_2)
-#elif WS2812_SPI_DIVISOR == 64
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_2 | SPI_CR1_BR_0)
-#elif WS2812_SPI_DIVISOR == 128
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_2 | SPI_CR1_BR_1)
-#elif WS2812_SPI_DIVISOR == 256
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0)
-#else
-#    define WS2812_SPI_DIVISOR (SPI_CR1_BR_1 | SPI_CR1_BR_0)  // default
-#endif
-
-// Use SPI circular buffer
-#ifdef WS2812_SPI_USE_CIRCULAR_BUFFER
-#    define WS2812_SPI_BUFFER_MODE 1  // circular buffer
-#else
-#    define WS2812_SPI_BUFFER_MODE 0  // normal buffer
-#endif
-
-#if defined(USE_GPIOV1)
-#    define WS2812_SCK_OUTPUT_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL
-#else
-#    define WS2812_SCK_OUTPUT_MODE PAL_MODE_ALTERNATE(WS2812_SPI_SCK_PAL_MODE) | PAL_STM32_OTYPE_PUSHPULL
-#endif
-
-#define BYTES_FOR_LED_BYTE 4
-#define NB_COLORS 3
-#define BYTES_FOR_LED (BYTES_FOR_LED_BYTE * NB_COLORS)
-#define DATA_SIZE (BYTES_FOR_LED * RGBLED_NUM)
-#define RESET_SIZE (1000 * WS2812_TRST_US / (2 * 1250))
-#define PREAMBLE_SIZE 4
-
-static uint8_t txbuf[PREAMBLE_SIZE + DATA_SIZE + RESET_SIZE] = {0};
-
-/*
- * As the trick here is to use the SPI to send a huge pattern of 0 and 1 to
- * the ws2812b protocol, we use this helper function to translate bytes into
- * 0s and 1s for the LED (with the appropriate timing).
- */
-static uint8_t get_protocol_eq(uint8_t data, int pos) {
-    uint8_t eq = 0;
-    if (data & (1 << (2 * (3 - pos))))
-        eq = 0b1110;
-    else
-        eq = 0b1000;
-    if (data & (2 << (2 * (3 - pos))))
-        eq += 0b11100000;
-    else
-        eq += 0b10000000;
-    return eq;
-}
-
-static void set_led_color_rgb(LED_TYPE color, int pos) {
-    uint8_t* tx_start = &txbuf[PREAMBLE_SIZE];
-
-#if (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_GRB)
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + j] = get_protocol_eq(color.g, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE + j] = get_protocol_eq(color.r, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE * 2 + j] = get_protocol_eq(color.b, j);
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_RGB)
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + j] = get_protocol_eq(color.r, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE + j] = get_protocol_eq(color.g, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE * 2 + j] = get_protocol_eq(color.b, j);
-#elif (WS2812_BYTE_ORDER == WS2812_BYTE_ORDER_BGR)
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + j] = get_protocol_eq(color.b, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE + j] = get_protocol_eq(color.g, j);
-    for (int j = 0; j < 4; j++) tx_start[BYTES_FOR_LED * pos + BYTES_FOR_LED_BYTE * 2 + j] = get_protocol_eq(color.r, j);
-#endif
-}
-
-void ws2812_init(void) {
-    palSetLineMode(RGB_DI_PIN, WS2812_MOSI_OUTPUT_MODE);
-
-#ifdef WS2812_SPI_SCK_PIN
-    palSetLineMode(WS2812_SPI_SCK_PIN, WS2812_SCK_OUTPUT_MODE);
-#endif  // WS2812_SPI_SCK_PIN
-
-    // TODO: more dynamic baudrate
-    static const SPIConfig spicfg = {WS2812_SPI_BUFFER_MODE, NULL, PAL_PORT(RGB_DI_PIN), PAL_PAD(RGB_DI_PIN), WS2812_SPI_DIVISOR};
-
-    spiAcquireBus(&WS2812_SPI);     /* Acquire ownership of the bus.    */
-    spiStart(&WS2812_SPI, &spicfg); /* Setup transfer parameters.       */
-    spiSelect(&WS2812_SPI);         /* Slave Select assertion.          */
-#ifdef WS2812_SPI_USE_CIRCULAR_BUFFER
-    spiStartSend(&WS2812_SPI, sizeof(txbuf) / sizeof(txbuf[0]), txbuf);
-#endif
-}
-
-void ws2812_setleds(LED_TYPE* ledarray, uint16_t leds) {
-    static bool s_init = false;
-    if (!s_init) {
-        ws2812_init();
-        s_init = true;
-    }
-
-    for (uint8_t i = 0; i < leds; i++) {
-        set_led_color_rgb(ledarray[i], i);
-    }
-
-    // Send async - each led takes ~0.03ms, 50 leds ~1.5ms, animations flushing faster than send will cause issues.
-    // Instead spiSend can be used to send synchronously (or the thread logic can be added back).
-#ifndef WS2812_SPI_USE_CIRCULAR_BUFFER
-#    ifdef WS2812_SPI_SYNC
-    spiSend(&WS2812_SPI, sizeof(txbuf) / sizeof(txbuf[0]), txbuf);
-#    else
-    spiStartSend(&WS2812_SPI, sizeof(txbuf) / sizeof(txbuf[0]), txbuf);
-#    endif
-#endif
-}