Re: [PATCH 11/20] dm: serial: Update binding for PL01x serial UART

On Wed, Jul 8, 2015 at 4:53 AM, Simon Glass [off-list ref] wrote:

This binding differs from that of Linux. Update it and change existing
users.

Signed-off-by: Simon Glass <redacted>

I'm confused by this. Isn't devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org the place to discuss
device tree bindings? This is sent only to the U-Boot list, does this mean
that there will now be *two* ontologies for DT bindings? That sounds like
a recepie for ... something not good.

+- clock-frequency:
+          Input clock frequency for UART.

This is the real trick is it not?

Is the real commit blurb for this patch something like:

"we want a simple way to look up the clock frequency for our serial
ports during early boot, and following clocks = <&...> phandles
is too much trouble and might imply having to implement a whole
clock framework in U-Boot so we just see a lot of trouble, instead
provide a default frequency here"

I suggest in that case, instead do this:

- boot-frequency:
    input clock frequency at boot time, to be used by boot loaders
    and other early access.

This would be good for early Linux stuff as well I believe and I
do not think it's very controversial.

Yours,
Linus Walleij
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