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From: Nishanth Menon <nm@ti.com>
To: Julien Panis <jpanis@baylibre.com>, <afd@ti.com>
Cc: <vigneshr@ti.com>, <kristo@kernel.org>, <robh+dt@kernel.org>,
	<krzysztof.kozlowski+dt@linaro.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/2] arm64: dts: ti: k3-am625-sk: mark MCU and WKUP watchdogs as reserved
Date: Thu, 3 Nov 2022 16:47:54 -0500	[thread overview]
Message-ID: <20221103214754.5feylk5sfem2lvhf@magnetize> (raw)
In-Reply-To: <20221103181440.232727-3-jpanis@baylibre.com>

On 19:14-20221103, Julien Panis wrote:
> MCU wdt is typically used by M4F.
> Wake up wdt is typically used by DM (R5) firmware.
> 
> Signed-off-by: Julien Panis <jpanis@baylibre.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am625-sk.dts | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> index 93a5f0817efc..9ade591ef563 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
> @@ -503,6 +503,16 @@ &main_mcan0 {
>  	status = "disabled";
>  };
>  
> +&mcu_rti0 {
> +	/* MCU RTI0 is used by M4F firmware */
> +	status = "reserved";
> +};
> +
> +&wkup_rti0 {
> +	/* WKUP RTI0 is used by DM firmware */
> +	status = "reserved";
> +};
> +

If this is the typical usage, should'nt we do this in soc.dtsi than
sprinkle this through various boards?

Andrew: ?
>  &epwm0 {
>  	status = "disabled";
>  };
> -- 
> 2.37.3
> 

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

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  reply	other threads:[~2022-11-03 21:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-03 18:14 [PATCH v2 0/2] AM62x watchdog support Julien Panis
2022-11-03 18:14 ` [PATCH v2 1/2] arm64: dts: ti: k3-am62: add watchdog nodes Julien Panis
2022-11-03 18:14 ` [PATCH v2 2/2] arm64: dts: ti: k3-am625-sk: mark MCU and WKUP watchdogs as reserved Julien Panis
2022-11-03 21:47   ` Nishanth Menon [this message]
2022-11-03 22:36     ` Andrew Davis
2022-11-03 23:10       ` Nishanth Menon

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