Hi Geert,

On Thursday, July 12, 2018, Geert Uytterhoeven wrote:
> As the IP cores are the same in all variants, using
> "renesas,r7s9210-<something>" should be fine for matching drivers to IP
> cores. Same for CONFIG_ARCH_R7S9210.
> However, as the actual dies differ between H, M, and L versions, there may
> be integration issues to be worked around. So I think it would be wise to
> use one more digit in the compatible value at the main SoC level, i.e.
> "renesas,r7s92104".
> Unless there's a hardware register to detect the version at runtime.
> But it seems RZ/A2 doesn't have a Product Register
> (PRR), which most other SH/R-Mobile and R-Car SoCs do have?

There is supposed to be one. I specifically asked for it (and remember 
reviewing it).
But, now I'm not seeing it in the latest version of the manual.

Let me find out where it is.


Reply via email to