RE: [PATCH 2/2] dt-bindings: arm: Document RZ/A2 SoC DT bindings

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Hi Geert,

On Friday, July 13, 2018, Geert Uytterhoeven wrote:
> > There is an ID register in RZ/A2 that will have a different number for
> > each silicon.
> > See the first entry in Table 5.6 (BSID register).
> >
> > Technically, it's not  "PRR" like it's SH/R-Car devices. It's actually
> > the boundary scan ID number. All RZ/A1 devices have this too. But with
> > RZ/A1, you could only get to this register through JTAG (not by the CPU).
> > So for RZ/A2+, they will mirror that register to CPU space.
> 
> Cool. So if you add a "renesas,bsid" device node to the dtsi, and add
> support for using that to drivers/soc/renesas/renesas-soc.c, then we can
> use soc_device_match() to filter on SoC revision, if ever needed.

Oh, I see.


> > So with that said, are we good with CONFIG_ARCH_R7S9210?
> 
> Yes, the Kconfig symbol is fine for sure.
> 
> Thansk!

Cool...except now I have more code to go off and write ;)


Chris




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