Re: [PATCH v14 00/15] phy: Add support for Lynx 10G SerDes

[Vladimir Oltean <vladimir.oltean@nxp.com>]

Hi Sean,

On Tue, Jun 13, 2023 at 05:27:54PM +0300, Vladimir Oltean wrote:
> > > At first sight you might appear to have a point related to the fact that
> > > PLL register writes are necessary, and thus this whole shebang is necessary.
> > > But this can all be done using PBI commands, with the added benefit that
> > > U-Boot can also use those SERDES networking ports, and not just Linux.
> > > You can use the RCW+PBL specific to your board to inform the SoC that
> > > your platform's refclk 1 is 156 MHz (something which the reset state
> > > machine seems unable to learn, with protocol 0x3333). You don't have to
> > > put that in the device tree. You don't have to push code to any open
> > > source project to expose your platform specific details. Then, just like
> > > in the case of the Lynx 28G driver on LX2160, the SERDES driver could
> > > just treat the PLL configuration as read-only, which would greatly
> > > simplify things and eliminate the need for a clk driver.
> > > 
> > > Here is an illustrative example (sorry, I don't have a board with the
> > > right refclk on that PLL, to verify all the way):
> > > 
> > > ... snip ...
> > 
> > (which of course complicates the process of building the PBIs...)
> 
> Maybe this is the language barrier, but what are you trying to say here?

I said that I don't understand. Can you please clarify what you were
trying to transmit with this comment?