Dock

The Dock is also known as "Cradle".

Nintendo Switch

HAC-CDH-MAIN-01

Component	Description
MegaChips STDP2550 "Mystique"	MyDP to HDMI Converter 2Mb flash contains firmware Based on STMicroelectronics Mystique family of DP converters
VIA Labs VL210 USB 3.0 Hub Controller	USB Hub 512Kb flash is configuration storage
Cortex-M0 based (STM32F0-ish) "32P048"	USB Device SWD clearly labelled and enabled Provides control of the Mystique Dumps (fw-1.0.0): flash sysmem SRAM Relevant manual
Macronix MX25L512E 512Kb CMOS	Flash dump (fw-1.0.0)
Macronix MX25V2006E 2Mb CMOS	Flash dump (fw-1.0.0)
ROHM BM92T17	USB-PD I2c address 0x18 bm92t1x datasheet bm92t5x datasheet
ROHM BM92T55	USB-PD I2c address 0x1A

All 1.0.0 dumps were collected from a HAC-CDH-MAIN-01.

HAC-CDH-MAIN-10

Component	Description
MegaChips STDP2550 "Mystique"	MyDP to HDMI Converter
Genesys Logic GL3510	USB Hub
Cortex-M0 based (STM32F0-ish) "32P048"	USB Device
Windbond 25X20CLL04	Flash
ROHM BM92T17	USB-PD
ROHM BM92T55	USB-PD

Nintendo Switch (OLED Model)

HEG-CDH-MAIN-02

Component	Description
Realtek RTD2172N	DP to HDMI Converter
VIA Labs VL210N-Q4 USB 3.0 Hub Controller	USB Hub
STMicroelectronics STM32F070RBT6	MCU
Macronix MX25V2006E 2Mb CMOS	Flash
Realtek RTL8154B	NIC
	USB-PDC-H
	USB-PDC-A

Other Resources

1. List of compatible USB devices
2. iFixit's Nintendo Switch teardown
3. dekuNukem's Reverse Engineering