Re: [PATCH v4 0/7] Add syscon support for Renesas RZ/T2H & RZ/N2H in CPG/MSSR driver

From: Geert Uytterhoeven

Date: Tue Sep 08 2026 - 08:52:21 EST


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.

> 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.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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