[PATCH 0/4] ARM: shmobile: Add DT support for memory controllers
horms at verge.net.au
Wed Jan 14 15:55:10 PST 2015
On Wed, Jan 14, 2015 at 12:12:58PM +0100, Geert Uytterhoeven wrote:
> Hi Simon, Magnus,
> This patch series adds DT binding documentation and devices nodes to
> describe memory-controllers in R-Mobile and SH-Mobile SoCs.
> Currently memory controller device nodes are used only to reference PM
> domains, and prevent these PM domains from being powered down, which
> would crash the system.
> As such this series is a prerequisite for adding DT PM domain support to
> sh73a0 (SH-Mobile AG5) and r7a73a4 (R-Mobile APE6).
> For r8a7740 (R-Mobile A1), this wasn't a hard prerequisite for PM
> domain support, as the A4S PM domain is never turned off anyway
> because its child PM domain A3SM contains the CPU core.
> The patches for sh73a0 and r8a7740 have been sent before as part of
> (patches in) the series "[PATCH RFC 0/7] ARM: shmobile: sh73a0: DT PM
> domain support" (https://lkml.org/lkml/2014/11/19/404).
> "ARM: shmobile: r8a7740 dtsi: Add memory-controller node" depends on
> the DT R-Mobile PM Domain support for r8a7740 that's queued up in
> Simon's tree under tag renesas-dt-pm-for-v3.20, as the
> memory-controller node already contains a power-domains property.
> The two other dtsi patches do not add power-domains properties yet.
> These will be added when adding PM domain support for sh73a0 resp.
Thanks Geert, I have queued these up.
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