Re: [PATCH v4 0/7] Add syscon support for Renesas RZ/T2H & RZ/N2H in CPG/MSSR driver
From: Lad, Prabhakar
Date: Tue Sep 08 2026 - 12:46:44 EST
Hi Geert,
On Tue, Sep 8, 2026 at 1:31 PM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> On Mon, 17 Aug 2026 at 21:25, Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote:
> > This series adds syscon support for the Renesas RZ/T2H and RZ/N2H SoCs
> > in the CPG/MSSR driver. The CPG/MSSR block on these SoCs is a
> > multi-function block that integrates several system-level features beyond
> > clock and reset control, including clock monitoring, write protection,
> > and peripheral configuration registers.
> >
> > For the other IP blocks to be configured a syscon support is provided in
> > the CPG/MSSR driver. This allows other drivers to access the CPG/MSSR
> > registers via a regmap interface.
>
> > Lad Prabhakar (7):
> > clk: renesas: r9a09g077: Register SYSC regmap
>
> Thanks, will queue in renesas-clk for v7.4.
>
> > arm64: dts: renesas: r9a09g077: Adjust CPG register region sizes
> > arm64: dts: renesas: r9a09g087: Adjust CPG register region sizes
>
> Thanks, will queue both in renesas-devel for v7.4.
>
Thank you for picking it up.
> > dt-bindings: watchdog: renesas,r9a09g057-wdt: Add CPG/MSSR syscon
> > support
>
> This is now in watchdog-next.
>
> > watchdog: rzv2h: Add syscon support for WDTDCR
> > arm64: dts: renesas: r9a09g077: Use CPG/MSSR syscon for WDTDCR access
> > arm64: dts: renesas: r9a09g087: Use CPG/MSSR syscon for WDTDCR access
>
> These two have a hard dependency on the first five patches, so they
> are postponed.
>
Agreed, once I sort out the series [0] maybe we can take all the WDT
driver changes via renesas-soc due to its hard dependancy.
[0] https://lore.kernel.org/all/20260814191415.2110732-1-prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx/
Cheers,
Prabhakar