diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini_OEM/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini_OEM/hwdef.dat
index 379a41e61676c..9f3188b8ed41f 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini_OEM/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteH7Mini_OEM/hwdef.dat
@@ -1,4 +1,167 @@
-include ../KakuteH7Mini/hwdef.dat
+# hw definition file for processing by chibios_pins.py
+# for Holybro KakuteH7Mini hardware.
+
+# MCU class and specific type
+MCU STM32H7xx STM32H743xx
+
+# board ID for firmware load
+APJ_BOARD_ID 1058
+
+# crystal frequency, setup to use external oscillator
+OSCILLATOR_HZ 8000000
+
+FLASH_SIZE_KB 2048
+
+# ChibiOS system timer
+STM32_ST_USE_TIMER 12
+define CH_CFG_ST_RESOLUTION 16
+
+# leave 1 sectors free
+FLASH_RESERVE_START_KB 128
+
+# use last 2 pages for flash storage
+# H743 has 16 pages of 128k each
+STORAGE_FLASH_PAGE 14
+define HAL_STORAGE_SIZE 32768
+
+# enable logging to dataflash
+define HAL_LOGGING_DATAFLASH_ENABLED 1
+
+# one I2C bus
+I2C_ORDER I2C1
+
+# order of UARTs (and USB)
+SERIAL_ORDER OTG1 USART1 USART2 USART3 UART4 EMPTY USART6 UART7
+
+# buzzer
+PC13 BUZZER OUTPUT LOW PULLDOWN GPIO(80)
+define HAL_BUZZER_PIN 80
+define AP_NOTIFY_TONEALARM_ENABLED 1
+
+# PA10 IO-debug-console
+PA11 OTG_FS_DM OTG1
+PA12 OTG_FS_DP OTG1
+
+PA13 JTMS-SWDIO SWD
+PA14 JTCK-SWCLK SWD
+
+# SPI1 for M25P16 dataflash
+PA4 FLASH_CS CS
+PA5 SPI1_SCK SPI1
+PA6 SPI1_MISO SPI1
+PA7 SPI1_MOSI SPI1
+
+# SPI2 for MAX7456 OSD
+PB12 MAX7456_CS CS
+PB13 SPI2_SCK SPI2
+PB14 SPI2_MISO SPI2
+PB15 SPI2_MOSI SPI2
+
+# SPI4 for MPU6000
+PE4 MPU6000_CS CS
+PE2 SPI4_SCK SPI4
+PE5 SPI4_MISO SPI4
+PE6 SPI4_MOSI SPI4
+
+# I2C1 for baro
+PB6 I2C1_SCL I2C1
+PB7 I2C1_SDA I2C1
+
+PC0 BATT_VOLTAGE_SENS ADC1 SCALE(1)
+PC1 BATT_CURRENT_SENS ADC1 SCALE(1)
+
+PA8 VBUS INPUT
+
+# VTX Power control - should be high at startup to ensure power
+PB11 VTX_PWR OUTPUT HIGH GPIO(81)
+define RELAY2_PIN_DEFAULT 81
+
+# define default battery setup
+define HAL_BATT_MONITOR_DEFAULT 4
+define HAL_BATT_VOLT_PIN 10
+define HAL_BATT_CURR_PIN 11
+define HAL_BATT_VOLT_SCALE 11.1
+define HAL_BATT_CURR_SCALE 59.5
+
+PC5 RSSI_ADC ADC1
+define BOARD_RSSI_ANA_PIN 8
+
+PC2 LED0 OUTPUT LOW
+
+# USART1 (DJI VTX / RX)
+PA9  USART1_TX USART1
+PA10 USART1_RX USART1
+
+# USART2 (VTX)
+PD5 USART2_TX USART2 NODMA
+PD6 USART2_RX USART2 NODMA
+
+# USART3 (GPS)
+PD8 USART3_TX USART3
+PD9 USART3_RX USART3
+
+# UART4
+PD0 UART4_RX UART4 NODMA
+PD1 UART4_TX UART4 NODMA
+
+# USART6 (RX / SBUS)
+PC7 USART6_RX USART6
+PC6 USART6_TX USART6
+
+# UART7 used by ESC, TX is not connected
+PE7 UART7_RX UART7 NODMA
+
+define DEFAULT_SERIAL6_PROTOCOL SerialProtocol_RCIN
+define DEFAULT_SERIAL6_BAUD 115
+define DEFAULT_SERIAL7_PROTOCOL SerialProtocol_ESCTelemetry
+define DEFAULT_SERIAL7_BAUD 115
+
+# Motors
+PB0  TIM3_CH3 TIM3 PWM(1) GPIO(50) BIDIR
+PB1  TIM3_CH4 TIM3 PWM(2) GPIO(51)
+PB3  TIM2_CH2 TIM2 PWM(3) GPIO(52) BIDIR
+PB10 TIM2_CH3 TIM2 PWM(4) GPIO(53) BIDIR
+PA0  TIM5_CH1 TIM5 PWM(5) GPIO(54)
+PA2  TIM5_CH3 TIM5 PWM(6) GPIO(55)
+PC8  TIM8_CH3 TIM8 PWM(7) GPIO(56)
+PC9  TIM8_CH4 TIM8 PWM(8) GPIO(57)
+
+# Motor order implies Betaflight/X for standard ESCs
+define HAL_FRAME_TYPE_DEFAULT 12
+
+# LED strip
+PD12 TIM4_CH1 TIM4 PWM(9) GPIO(58)
+
+DMA_NOSHARE SPI1* SPI4*
+
+# spi devices
+SPIDEV mpu6000   SPI4 DEVID1 MPU6000_CS MODE3  1*MHZ  4*MHZ
+SPIDEV dataflash SPI1 DEVID1 FLASH_CS   MODE3 32*MHZ 32*MHZ
+SPIDEV osd       SPI2 DEVID4 MAX7456_CS MODE0 10*MHZ 10*MHZ
+
+# no built-in compass, but probe the i2c bus for all possible
+# external compass types
+define ALLOW_ARM_NO_COMPASS
+define HAL_PROBE_EXTERNAL_I2C_COMPASSES
+define HAL_I2C_INTERNAL_MASK 0
+define HAL_COMPASS_AUTO_ROT_DEFAULT 2
+
+# one IMU
+IMU Invensense SPI:mpu6000 ROTATION_YAW_180
+
+# one BARO
+BARO BMP280 I2C:0:0x76
+
+# setup for OSD
+define OSD_ENABLED 1
+define HAL_OSD_TYPE_DEFAULT 1
+ROMFS_WILDCARD libraries/AP_OSD/fonts/font*.bin
+
+define STM32_PWM_USE_ADVANCED TRUE
+
+define DEFAULT_NTF_LED_TYPES 257
+
+define AP_SCRIPTING_ENABLED 1
 
 # SPI3 for emulated SDCard
 PA15 SDCARD_CS CS