i.MX8MM Clock errors and caam failure on 5.10-rc4

[Aisheng Dong]

Hi Fugang & Horia,

> From: Adam Ford <aford173 at gmail.com>
> Sent: Sunday, November 22, 2020 6:43 AM
> 
> I have a board which uses Bluetooth on UART1 similar to the 8mm-evk.
> The serial port for the BT needs to run at 80MHz because I have the baud rate of
> the serial part set to 4M.
> 
> I thought I'd give the 5.10-RC's a try.  I found some issues that concern me, but
> before I go back to bisect, I thought I'd ask if people are aware of it and/or have
> ideas.  The BT is failing to operate as is the caam engine, and it seems to be
> related to some clocking issues.
> 
>      Failed to get clock for /timer at 306a0000
>      Failed to initialize '/timer at 306a0000': -22
>      clk: failed to reparent uart1 to sys_pll1_80m: -16
>      clk: failed to reparent uart3 to sys_pll1_80m: -16
>      caam 30900000.caam: Failed to get clk 'ipg': -2
>      caam 30900000.caam: Failed to request all necessary clocks
>      caam: probe of 30900000.caam failed with error -2
> 
> I jumped ahead to linux-next to see if there were any upstream fixes
> implemented but it throws the same errors.
> 
> If anyone has any ideas, I'd like to try them.  If not, I'll spend some time
> bisecting.

Are you aware of this issue? 
Any suggestions?

Regards
Aisheng

> 
> adam