linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am62: add watchdog nodes

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Date:   Wed, 6 Jul 2022 18:49:54 -0500
From:   Nishanth Menon <nm@...com>
To:     Julien Panis <jpanis@...libre.com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: ti: k3-am62: add watchdog nodes

On 09:08-20220630, Julien Panis wrote:
> Add nodes for watchdogs :
> - 5 in main domain
> - 1 in MCU domain
> - 1 in wakeup domain

True, but note: MCU wdt is typically used by M4F and wakeup WDT is
typically used by DM (R5) firmware. Is'nt it better we mark them
reserved (with device tree comments) to indicate the same?

This can allow the kernel device tree to be used by zephyr on M4 for example..

> 

[...]

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D