Re: [PATCH net-next v2 2/2] net: phy: qcom: qca808x: Add regulator management

[Andrew Lunn]

> I was going to share a text version of the power-up diagram given in
> this PHY's datasheet. This might help.
> 
> Power-Up Sequence
> 
> 1. DVDD asserted
>    |
>    |<-------- 10 ms -------->|   (required for external power)
>    |
> 2. DVDD18 / AVDD18 asserted
> 
> 3. VDD1P25 asserted
>    |
>    |<-------- 0.2 ms ------->|   (required for LDO to settle)
>    |
> 4. VDD_LDO asserted
> 
> 5. AVDD asserted
>    |
>    |<--------- 2 ms -------->|   (required for XTL to oscillate)
>    |
> 6. Crystal 50 MHz starts oscillating
> 
> 7. PAD reset deasserted
>    |
>    |<------- 10 ms --------->|   (deglitch time)
> 

Are these supposed to be staggered? Or can you turn them all on at
once.

23ms does seem like the worst case.

	Andrew