linux-kernel - Re: [PATCH v4 0/9] Add support to configure CPG block for watchdog on RZ/V2H(P) and RZ/G3E SoCs

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Message-ID: <CA+V-a8uOkKzijsS_dmOA1XqHYReR3n7cRGUngh-6wJG7LDRvOA@mail.gmail.com>
Date: Tue, 18 Feb 2025 10:26:23 +0000
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert+renesas@...der.be>, Rob Herring <robh@...nel.org>, 
	Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck <linux@...ck-us.net>, 
	Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: Stephen Boyd <sboyd@...nel.org>, Magnus Damm <magnus.damm@...il.com>, 
	Conor Dooley <conor+dt@...nel.org>, Michael Turquette <mturquette@...libre.com>, 
	linux-renesas-soc@...r.kernel.org, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v4 0/9] Add support to configure CPG block for watchdog on
 RZ/V2H(P) and RZ/G3E SoCs

Hi All,

On Mon, Feb 10, 2025 at 6:49 PM Prabhakar <prabhakar.csengg@...il.com> wrote:
>
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Hi All,
>
> This patch series adds SYSCON support to configure and retrieve boot
> status information from the CPG block for the RZ/V2H(P) and RZ/G3E SoCs.
> Summary of Changes,
>
>     Clock:
>         Add syscon compatible support to the CPG block in bindings and
>         device trees.
>
>     Watchdog:
>         Document the renesas,r9a09g057-syscon-wdt-errorrst property.
>         Update the watchdog driver to fetch and report boot status via
>         Error Reset Registers (CPG_ERROR_RSTm) and configure the
>         CPG_ERRORRST_SEL2 register.
>
>     Device Tree:
>         -Add the syscon property to CPG nodes in R9A09G057 and R9A09G047
>          SoC DTSI.
>         -Add the renesas,syscon-cpg-error-rst property to WDT nodes in
>          R9A09G057 and R9A09G047 SoC DTSI.
>
> v3->v4
> - Added support to configure CPG_ERRORRST_SEL2 register
> - Updated commit messages
>
> v2->v3
> - Updated comment section to mention there aren't any ABI breakages with
>   this patch series.
>
> Cheers,
> Prabhakar
>
> Lad Prabhakar (9):
>   dt-bindings: clock: rzv2h-cpg: Add syscon compatible for CPG
>   clk: renesas: Kconfig: Select MFD_SYSCON for RZ/V2H(P) family driver
>   arm64: dts: renesas: r9a09g047: Add `syscon` compatible for CPG node
>   arm64: dts: renesas: r9a09g057: Add `syscon` compatible for CPG node
>   dt-bindings: watchdog: renesas: Document
>     `renesas,syscon-cpg-error-rst` property
>   watchdog: rzv2h_wdt: Add support to retrieve the bootstatus
>     information
>   watchdog: rzv2h_wdt: Configure CPG_ERRORRST_SEL2 register
>   arm64: dts: renesas: r9a09g057: Add `renesas,syscon-cpg-error-rst`
>     property to WDT node
>   arm64: dts: renesas: r9a09g047: Add `renesas,syscon-cpg-error-rst`
>     property to WDT node
>
Gentle ping.


Cheers,
Prabhakar