linux-kernel - Re: [PATCH V2] ARM: dts: omap3: Add cpu trips and cooling map for omap34/36 families

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Date:   Fri, 21 Aug 2020 15:44:51 +0200
From:   Pavel Machek <pavel@....cz>
To:     Adam Ford <aford173@...il.com>
Cc:     linux-omap@...r.kernel.org, aford@...conembedded.com,
        Beno??t Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] ARM: dts: omap3: Add cpu trips and cooling map for
 omap34/36 families

On Mon 2020-08-17 08:39:31, Adam Ford wrote:
> The OMAP3530, OMAP3630, and DM3730 all show thresholds of 90C and 105C
> depending on commercial or industrial temperature ratings.
> 
> This patch expands the thermal information to include the limits of 90
> and 105C for alert and critical.  It sets the coolings-cells for the
> 34xx and 36xx CPU's which both point to omap3-cpu-thermal.dtsi.
> 
> For boards who never use industrial temperatures, these can be
> changed on their respective device trees with something like:
> 
> &cpu_alert0 {
> 	temperature = <85000>; /* millicelsius */
> };
> 
> &cpu_crit {
> 	temperature = <90000>; /* millicelsius */
> };

That should be the other way around. Provide safe values by default.

										Pavel