Re: [PATCH v3 3/6] dt-bindings: hwmon: Add Sensylink CTF2301

Krzysztof Kozlowski <[email protected]> Thu, 6 Aug 2026 10:02:42 +0200
Newsgroups org.kernel.vger.linux-hwmon,dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel
Message-ID <20260806-fair-bright-leopard-afbe1e@quoll>
On Wed, Aug 05, 2026 at 02:00:53AM -0700, 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.
> 
> Signed-off-by: Troy Mitchell <[email protected]>
> ---
>  Documentation/devicetree/bindings/hwmon/national,lm63.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Acked-by: Krzysztof Kozlowski <[email protected]>

Best regards,
Krzysztof