linux-kernel - Re: [PATCH v2 2/6] dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H support

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Message-ID: <20251022-default-circus-944c6495cf63@spud>
Date: Wed, 22 Oct 2025 18:42:19 +0100
From: Conor Dooley <conor@...nel.org>
To: Ovidiu Panait <ovidiu.panait.rb@...esas.com>
Cc: claudiu.beznea.uj@...renesas.com, alexandre.belloni@...tlin.com,
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	geert+renesas@...der.be, magnus.damm@...il.com,
	mturquette@...libre.com, sboyd@...nel.org, p.zabel@...gutronix.de,
	linux-rtc@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: Re: [PATCH v2 2/6] dt-bindings: rtc: renesas,rz-rtca3: Add RZ/V2H
 support

On Tue, Oct 21, 2025 at 08:07:01AM +0000, Ovidiu Panait wrote:
> The Renesas RZ/V2H RTC IP is based on the same RTCA3 IP as RZ/G3S
> (r9a08g045), with the following differences:
> - It lacks the time capture functionality
> - The maximum supported periodic interrupt frequency is 128Hz instead
>   of 256Hz
> - It requires two reset lines instead of one
> 
> Add new compatible string "renesas,r9a09g057-rtca3" for RZ/V2H and update
> the binding accordingly:
> - Allow "resets" to contain one or two entries depending on the SoC.
> - Add "reset-names" property, but make it required only for RZ/V2H.
> 
> Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@...esas.com>

Acked-by: Conor Dooley <conor.dooley@...rochip.com>
pw-bot: not-applicable

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