Linux/BQ25898D: BC1.2 detect DCP adaper always is Unknown Adapter

qian qian

Prodigy 50 points

Part Number: BQ25898D

Tool/software: Linux

Hi Ti:

I set AUTO_DPDM_ON, and inset a DCP adaper. After the dection finished, the REG_0B VBUS_STAT is always 101.

In there other register I should configure?

over 6 years ago

0 Ning T over 6 years ago

TI__Guru 57821 points

Hi,

If you short D+ and D- pins of the charger, then plug in the adaptor, what will VBUS_STAT be?

Thanks,

Ning.

0 Ning T over 6 years ago in reply to Ning T

TI__Guru 57821 points

Hi,

We haven’t heard back from you for a while, the thread is considered solved and closed.

Thanks,

Ning.

0 qian qian over 6 years ago in reply to Ning T

Prodigy 50 points

I short the D+ D-, then inster in to the phone. the log is

bq2589x-1 1-006a: bq2589x_adapter_in_workfunc:unknown adapter plugged in

the register dump is:

Reg[0x00] = 0x7f
Reg[0x01] = 0x03
Reg[0x02] = 0x5d
Reg[0x03] = 0x9a
Reg[0x04] = 0x07
Reg[0x05] = 0x10
Reg[0x06] = 0x5e
Reg[0x07] = 0x8d
Reg[0x08] = 0x03
Reg[0x09] = 0x44
Reg[0x0a] = 0x70
Reg[0x0b] = 0xb6
Reg[0x0c] = 0x00
Reg[0x0d] = 0x14
Reg[0x0e] = 0x54
Reg[0x0f] = 0x55
Reg[0x10] = 0x54
Reg[0x11] = 0x98
Reg[0x12] = 0x09
Reg[0x13] = 0x3f
Reg[0x14] = 0x15

0 qian qian over 6 years ago in reply to qian qian

Prodigy 50 points

Hi ,I find that this is caused by pmu. After disable pmu d+ d- detection, it's work correct

Power management

Power management forum

Linux/BQ25898D: BC1.2 detect DCP adaper always is Unknown Adapter