From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 257F226C385; Thu, 6 Aug 2026 13:16:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786022200; cv=none; b=tm937dy4X1W+zaFvCVo0WcLt3xKnDdecxEDBWVNfc+EJ994G1opxjka22cIbprFyI6l4ms0Abi1EI6Mhyhu3BcxVobxu+LJziHiJz7iy8AD0WMDxsaEi8XVyejzzrqIG2D2Dtg1yExxrkbT0dyO2PEMCqKfuC/fLq64TqnVrru0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786022200; c=relaxed/simple; bh=gtYXydAMBAKg593kaElUjKb/G08Lqn4qoJ/UEL29VC8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IixDQ4hf4lgCBVj62ysWrirfLQQSKR9VOBuRUTOLzHCykXZ5zX/k63E1KiNZqysgzJYLParR9CyQo0VEusMxzPy/lAI0co3reZxN8RNl2xAivFkO9vRSHGBonYPS4C+Ini+i6U2QFibNqYbgaH2la/wIM17Y7CXMBEVomDL7Inc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OYTTH2YZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OYTTH2YZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54DAA1F000E9; Thu, 6 Aug 2026 13:16:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786022194; bh=8O3Jm/KCpUxHmdI56AF1wTxRqOJCMDI/5j9/Q6443Ro=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=OYTTH2YZ95hRG04hyNETNtpBAmuqnutIGsr5526ph4/Spdpox8qylIrZLTN2uJeBJ v6OAiOPKkmABiofnuehJ9uheHaIhy99SVgixWZkBUyUc9/4tmUcXoOIcri5X5/G2YD zj6/fCqjKXrLbJuL7JOHgFKZZKwN9mbs4H9cfEImkJQC4VjC/HiJAaUYyQ+DNouog6 uevVcXkGTmcu/rmvNKUgidInV3RVrEPw8CD7UN9FMBqSMYCT0ZXfCgP2TxMJhjM8ti tdzuY4Lmjf5fOxwo6R3fOk3huIa7nmHtCD0tA4V8JEPvXIpYtdGB2Ql7SLIO3UdBpP MMgcU7pcNIdmA== Date: Thu, 6 Aug 2026 08:16:33 -0500 From: Rob Herring To: Petar Stepanovic Cc: Akhila Kavi , Prasad Bolisetty , Guenter Roeck , 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 Subject: Re: [PATCH 1/2] dt-bindings: hwmon: add Axiado AX3000 and AX3005 PWM fan controller Message-ID: <20260806131633.GA30560-robh@kernel.org> References: <20260806-axiado-ax3000-pwm-fan-v1-0-f6db4cf2166b@axiado.com> <20260806-axiado-ax3000-pwm-fan-v1-1-f6db4cf2166b@axiado.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260806-axiado-ax3000-pwm-fan-v1-1-f6db4cf2166b@axiado.com> On Thu, Aug 06, 2026 at 02:01:29AM -0700, Petar Stepanovic wrote: > Add a Devicetree binding for the PWM fan controller found on the > Axiado AX3000 and AX3005 SoCs. > > The controller measures fan speed using a hardware tachometer block. > Fan speed is controlled through a PWM signal supplied by an external > PWM controller. > > Add a MAINTAINERS entry for the binding. > > Signed-off-by: Petar Stepanovic > --- > .../bindings/hwmon/axiado,ax3000-pwm-fan.yaml | 68 ++++++++++++++++++++++ > MAINTAINERS | 8 +++ > 2 files changed, 76 insertions(+) > > diff --git a/Documentation/devicetree/bindings/hwmon/axiado,ax3000-pwm-fan.yaml b/Documentation/devicetree/bindings/hwmon/axiado,ax3000-pwm-fan.yaml > new file mode 100644 > index 000000000000..a985f49bbdcd > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwmon/axiado,ax3000-pwm-fan.yaml > @@ -0,0 +1,68 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/hwmon/axiado,ax3000-pwm-fan.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Axiado AX3000 and AX3005 PWM Fan Controller > + > +maintainers: > + - Petar Stepanovic > + - Akhila Kavi > + - Prasad Bolisetty > + > +description: > + The Axiado AX3000 and AX3005 fan controllers use a hardware tachometer > + block to measure fan speed. Fan speed is controlled through a PWM signal > + supplied by an external PWM controller. > + > +properties: > + compatible: > + oneOf: > + - const: axiado,ax3000-pwm-fan > + - items: > + - const: axiado,ax3005-pwm-fan > + - const: axiado,ax3000-pwm-fan > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + pwms: > + maxItems: 1 > + description: > + PWM specifier used to control fan speed. > + > + pulses-per-revolution: > + $ref: /schemas/types.yaml#/definitions/uint32 > + minimum: 1 > + default: 2 > + description: > + Number of tachometer pulses generated per fan revolution. This is a property of a fan, not the fan controller. The fan(s) should be represented as child node(s) under this device. Use the common fan binding, fan-common.yaml. See other bindings using it. Rob