[PATCH v2 0/6] ARM/arm64 : shmobile/renesas: Add L2 cache-controller nodes
Simon Horman
horms at verge.net.au
Sun Feb 14 17:58:49 PST 2016
Hi Geert,
On Mon, Dec 07, 2015 at 07:24:13PM +0100, Geert Uytterhoeven wrote:
> Hi Simon, Magnus,
>
> This patch series adds the missing L2 cache-controller nodes to the
> DTSes for various Renesas ARM-based SoCs, and links the CPU nodes to
> them.
>
> For R-Mobile APE6 (r8a73a4), the L2 cache-controllers are also linked to
> the respective (already existing) SYSC Power Domains. Fortunately these
> Power Domains were never powered down, as they are parents of the Power
> Domains containing CPU cores. This may change in the future.
>
> For R-Car Gen2 and Gen3 (r8a779x), this serves as a preparatory step for
> adding SYSC Power Domain support later.
>
> Question for the ARM/DT people: What are the DT bindings for
> Cortex-A15/A7/A57/A53 L2 cache controllers?
> Everybody just seems to use "cache" for the compatible values...
>
> Patches 2-5 were extracted from series "[PATCH/RFC 00/15]
> ARM: shmobile: R-Car: Add SYSC PM Domain DT Support",
> (http://lists.infradead.org/pipermail/linux-arm-kernel/2015-June/348742.html)
> and received some fixes. You can find more detailed changelogs in the
> individual patches).
>
> This has been tested on r8a73a4/ape6evm, r8a7791/koelsch, and
> r8a7795/salvator-x.
Sorry for loosing track of this until now.
It seems to me that the Gen-2 changes could be applied, is that correct?
It also seems to me that there was inconclusive discussion regarding
the r8a7795 change, is that also correct.
>
> Thanks!
>
> Geert Uytterhoeven (6):
> ARM: shmobile: r8a73a4 dtsi: Add L2 cache-controller nodes
> ARM: shmobile: r8a7790 dtsi: Add L2 cache-controller nodes
> ARM: shmobile: r8a7791 dtsi: Add L2 cache-controller node
> ARM: shmobile: r8a7793 dtsi: Add L2 cache-controller node
> ARM: shmobile: r8a7794 dtsi: Add L2 cache-controller node
> arm64: renesas: r8a7795: Add L2 cache-controller nodes
>
> arch/arm/boot/dts/r8a73a4.dtsi | 19 +++++++++++++++++++
> arch/arm/boot/dts/r8a7790.dtsi | 22 ++++++++++++++++++++++
> arch/arm/boot/dts/r8a7791.dtsi | 10 ++++++++++
> arch/arm/boot/dts/r8a7793.dtsi | 9 +++++++++
> arch/arm/boot/dts/r8a7794.dtsi | 8 ++++++++
> arch/arm64/boot/dts/renesas/r8a7795.dtsi | 15 +++++++++++++++
> 6 files changed, 83 insertions(+)
>
> --
> 1.9.1
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds
>
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