Support for AXP2101 Single Cell NVDC PMU with E-gauge

[lboue]

Describe the problem you have/What new integration you would like

Add support for AXP2101 Single Cell NVDC PMU with E-gauge for M5Stack devices.

CHIP	AXP2101	Remarks
DC1	1.5-3.4V /2A
DC2	0.5-1.2V,1.22-1.54V /2A
DC3	0.5-1.2V,1.22-1.54V,1.6-3.4V /2A
DC4	0.5-1.2V,1.22-1.84V /1.5A
DC5	1.2V,1.4-3.7V /1A
LDO1(VRTC)	1.8V /30mA
LDO2	x
LDO3	x
LDO4	1.8V-3.3V /200mA	x
LDO5/IO0	1.8-3.3V /50mA	x
ALDO1	x	0.5-3.5V /300mA
ALDO2	x	0.5-3.5V /300mA
ALDO3	x	0.5-3.5V /300mA
ALDO4	x	0.5-3.5V /300mA
BLDO1	x	0.5-3.5V /300mA
BLDO2	x	0.5-3.5V /300mA
DLDO1	x	0.5-3.3V/ 0.5-1.4V /300mA
DLDO1	x	0.5-3.3V/ 0.5-1.4V /300mA
CPUSLDO	x	0.5-1.4V /30mA

Please describe your use case for this integration and alternatives you've tried:

• M5Stack Core2 v1.1
• M5Stack CoreS3

Additional context

• Datasheet
  • AXP2101_Datasheet_V1.0_en.pdf
• Arduino lib
  • XPowersLib AXP2101_Voltage_Example
  • M5Unified AXP2101 class

[lboue]

I found this ESPHome componant: esphome-axp2101 .

[BigBobbas]

I would also like support for the AXP2101 for Lilygo T-watch S3 using esp-idf framework