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Mon, 21 Sep 2026 08:16:55 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:da43:aeff:fecc:bfd5]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-877a95eceb2sm3431796b3a.24.2026.09.21.08.16.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2026 08:16:54 -0700 (PDT) Date: Mon, 21 Sep 2026 08:16:53 -0700 From: Guenter Roeck To: Petar Stepanovic Cc: Akhila Kavi , Prasad Bolisetty , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Harshit Shah , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Tzu-Hao Wei , Karthikeyan Mitran , Jonathan Corbet , Shuah Khan , linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-doc@vger.kernel.org, openbmc@lists.ozlabs.org Subject: Re: [PATCH v3 2/2] hwmon: add Axiado AX3000 and AX3005 PWM fan controller driver Message-ID: References: <20260921-axiado-ax3000-pwm-fan-v3-0-3def8b6ffec9@axiado.com> <20260921-axiado-ax3000-pwm-fan-v3-2-3def8b6ffec9@axiado.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260921-axiado-ax3000-pwm-fan-v3-2-3def8b6ffec9@axiado.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260921_081656_206797_E91F496D X-CRM114-Status: GOOD ( 14.74 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 21, 2026 at 12:23:56AM -0700, Petar Stepanovic wrote: > Add support for the PWM fan controller found on the Axiado AX3000 and > AX3005 SoCs. > > The controller uses a hardware tachometer block and interrupt to measure > fan speed. Fan speed is controlled through a PWM signal supplied by an > external PWM controller. > > Register the controller with the hwmon subsystem and expose the standard > fan1_input and pwm1 attributes. The physical fan is represented by a fan > child node containing the PWM specifier and the optional > pulses-per-revolution property. If pulses-per-revolution is not specified, > the driver uses two pulses per revolution. > > The driver was tested on AX3000 and AX3005 boards. > > Signed-off-by: Petar Stepanovic Applied. Thanks, Guenter