Re: [PATCH v2 2/9] watchdog: rzv2h_wdt: Obtain clock-divider ranges from OF match data

Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> · Fri, 1 Aug 2025 06:03:33 +0200



On Tue, Jul 29, 2025 at 04:59:08PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> 
> Move the clock division ratio values into OF match data instead of
> hardcoding them in the driver. Introduce `rzv2h_of_data` to hold `cks_min`
> and `cks_max`, populated via the device tree match table. In probe, call
> `of_device_get_match_data()` to retrieve these values for setting up the
> watchdog.
> 
> This refactoring is transparent for existing RZ/V2H(P) usage and
> facilitates adding RZ/T2H support with different divider ranges.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

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