linux-kernel - Re: [PATCH 2/4] arm64: dts: ti: k3-am625-*: Specify Temperature Grade

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Message-ID: <20250507075734.GA10198@francesco-nb>
Date: Wed, 7 May 2025 09:57:34 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Daniel Schultz <d.schultz@...tec.de>
Cc: nm@...com, vigneshr@...com, kristo@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, robertcnelson@...il.com,
	francesco.dolcini@...adex.com, upstream@...ts.phytec.de,
	w.egorov@...tec.de
Subject: Re: [PATCH 2/4] arm64: dts: ti: k3-am625-*: Specify Temperature Grade

On Tue, May 06, 2025 at 10:08:45PM -0700, Daniel Schultz wrote:
> Specify the temperature grade in the base device tree to ensure
> correct trip points are applied for each board.

At least for Verdin this is not correct.

Verdin AM62 is available in different variants, the correct
thermal thresholds should be set in firmware/bootloader, see for example
in u-boot, arch/arm/mach-k3/am62x/am625_fdt.c

Francesco