From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Prabhakar <prabhakar.csengg@gmail.com>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
Biju Das <biju.das.jz@bp.renesas.com>,
Fabrizio Castro <fabrizio.castro.jz@renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: Re: [PATCH v2 5/9] watchdog: rzv2h_wdt: Add support for configurable count clock source
Date: Fri, 1 Aug 2025 06:04:36 +0200 [thread overview]
Message-ID: <aIw81PmMx-vKAlak@shikoro> (raw)
In-Reply-To: <20250729155915.67758-6-prabhakar.mahadev-lad.rj@bp.renesas.com>
[-- Attachment #1: Type: text/plain, Size: 775 bytes --]
On Tue, Jul 29, 2025 at 04:59:11PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Add support for selecting the count clock source used by the watchdog
> timer. The RZ/V2H(P) SoC uses the LOCO as the count source, whereas on
> RZ/T2H and RZ/N2H SoCs, the count source is the peripheral clock (PCLKL).
>
> Introduce a `count_source` field in the SoC-specific data structure and
> refactor the clock rate selection logic accordingly. This prepares the
> driver for supporting the RZ/T2H and RZ/N2H SoCs, which differ in their
> watchdog clocking architecture from RZ/V2H(P).
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2025-08-01 4:04 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-29 15:59 [PATCH v2 0/9] Add watchdog driver support for RZ/T2H and RZ/N2H SoCs Prabhakar
2025-07-29 15:59 ` [PATCH v2 1/9] dt-bindings: watchdog: renesas,wdt: Add support for RZ/T2H and RZ/N2H Prabhakar
2025-07-29 15:59 ` [PATCH v2 2/9] watchdog: rzv2h_wdt: Obtain clock-divider ranges from OF match data Prabhakar
2025-08-01 4:03 ` Wolfram Sang
2025-07-29 15:59 ` [PATCH v2 3/9] watchdog: rzv2h_wdt: Obtain CKS divider via OF data Prabhakar
2025-08-01 4:04 ` Wolfram Sang
2025-08-01 11:41 ` Lad, Prabhakar
2025-07-29 15:59 ` [PATCH v2 4/9] watchdog: rzv2h_wdt: Make "oscclk" an optional clock Prabhakar
2025-08-01 4:04 ` Wolfram Sang
2025-07-29 15:59 ` [PATCH v2 5/9] watchdog: rzv2h_wdt: Add support for configurable count clock source Prabhakar
2025-08-01 4:04 ` Wolfram Sang [this message]
2025-07-29 15:59 ` [PATCH v2 6/9] watchdog: rzv2h_wdt: Make reset controller optional Prabhakar
2025-08-01 4:04 ` Wolfram Sang
2025-08-01 11:42 ` Lad, Prabhakar
2025-07-29 15:59 ` [PATCH v2 7/9] watchdog: rzv2h: Set min_timeout based on max_hw_heartbeat_ms Prabhakar
2025-08-01 4:10 ` Wolfram Sang
2025-08-01 11:05 ` Lad, Prabhakar
2025-08-01 13:52 ` Guenter Roeck
2025-08-01 15:30 ` Lad, Prabhakar
2025-08-01 18:04 ` Guenter Roeck
2025-08-01 20:51 ` Lad, Prabhakar
2025-08-01 21:04 ` Guenter Roeck
2025-08-02 19:26 ` Lad, Prabhakar
2025-08-03 0:16 ` Guenter Roeck
2025-08-04 11:24 ` Lad, Prabhakar
2025-07-29 15:59 ` [PATCH v2 8/9] watchdog: rzv2h: Add support for RZ/T2H Prabhakar
2025-08-01 4:12 ` Wolfram Sang
2025-08-01 11:15 ` Lad, Prabhakar
2025-08-03 21:38 ` Wolfram Sang
2025-07-29 15:59 ` [PATCH v2 9/9] watchdog: rzv2h_wdt: Improve error strings and add newlines Prabhakar
2025-08-01 4:17 ` Wolfram Sang
2025-07-29 17:08 ` [PATCH v2 0/9] Add watchdog driver support for RZ/T2H and RZ/N2H SoCs Wolfram Sang
2025-07-29 17:10 ` Lad, Prabhakar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aIw81PmMx-vKAlak@shikoro \
--to=wsa+renesas@sang-engineering.com \
--cc=biju.das.jz@bp.renesas.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=fabrizio.castro.jz@renesas.com \
--cc=geert+renesas@glider.be \
--cc=krzk+dt@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=linux-watchdog@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=magnus.damm@gmail.com \
--cc=p.zabel@pengutronix.de \
--cc=prabhakar.csengg@gmail.com \
--cc=prabhakar.mahadev-lad.rj@bp.renesas.com \
--cc=robh@kernel.org \
--cc=wim@linux-watchdog.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).