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Mon, 14 Sep 2026 08:27:35 -0700 (PDT) Sender: Guenter Roeck Date: Mon, 14 Sep 2026 08:27:34 -0700 From: Guenter Roeck To: Troy Mitchell Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Jonathan Corbet , Shuah Khan , Randy Dunlap , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-doc@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH v5 3/6] dt-bindings: hwmon: Add Sensylink CTF2301 Message-ID: <429a3f35-2ef2-4e92-84e1-be605dfef31f@roeck-us.net> References: <20260914-ctl2301-v5-0-b44b81cd2c3c@linux.dev> <20260914-ctl2301-v5-3-522def70acb4@linux.dev> Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260914-ctl2301-v5-3-522def70acb4@linux.dev> On Mon, Sep 14, 2026 at 04:18:03PM +0800, Troy Mitchell wrote: > Add the Sensylink CTF2301 temperature sensor and fan controller to the > LM63 family binding. The chip follows the LM63 register model and can > provide a thermal cooling device when #cooling-cells is present. > > Do not provide a national,lm63 fallback because the CTF2301 is not fully > compatible with LM63. It uses different conversion-rate encodings, > extended local-temperature registers, additional fan lookup table > entries, and device-specific PWM and ALERT/TACH configuration. An older > LM63 driver would therefore not operate the device correctly. > > Acked-by: Krzysztof Kozlowski > Signed-off-by: Troy Mitchell Applied. Thanks, Guenter