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Thu, 12 Jun 2025 10:28:36 -0700 (PDT) From: =?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= Date: Thu, 12 Jun 2025 14:28:08 -0300 Subject: [PATCH v3 1/3] dt-bindings: hwmon: amc6821: Add cooling levels 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="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250612-b4-amc6821-cooling-device-support-v3-1-360681a7652c@toradex.com> References: <20250612-b4-amc6821-cooling-device-support-v3-0-360681a7652c@toradex.com> In-Reply-To: <20250612-b4-amc6821-cooling-device-support-v3-0-360681a7652c@toradex.com> To: Jean Delvare , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Farouk Bouabid , Quentin Schulz Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= X-Mailer: b4 0.14.2 From: Jo=C3=A3o Paulo Gon=C3=A7alves The fan can be used as a cooling device, add a description of the `cooling-levels` property and restrict the maximum value to 255, which is the highest PWM duty cycle supported by the AMC6821 fan controller. Signed-off-by: Jo=C3=A3o Paulo Gon=C3=A7alves --- v3: Unchanged v2: https://lore.kernel.org/lkml/20250603-b4-amc6821-cooling-device-support= -v2-0-74943c889a2d@toradex.com/ v1: https://lore.kernel.org/lkml/20250530-b4-v1-amc6821-cooling-device-supp= ort-b4-v1-0-7bb98496c969@toradex.com/ --- Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml b/Docu= mentation/devicetree/bindings/hwmon/ti,amc6821.yaml index 9ca7356760a74b1ab5e6c5a4966ba30f050a1eed..eb00756988be158b104642707d9= 6e371930c9fd7 100644 --- a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml +++ b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml @@ -32,6 +32,12 @@ properties: $ref: fan-common.yaml# unevaluatedProperties: false =20 + properties: + cooling-levels: + description: PWM duty cycle values corresponding to thermal coolin= g states. + items: + maximum: 255 + "#pwm-cells": const: 2 description: | --=20 2.43.0