From nobody Tue Apr 7 14:06:31 2026 Received: from courrier.aliel.fr (courrier.aliel.fr [65.21.61.41]) (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 735AA3CCFA3; Fri, 3 Apr 2026 16:09:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.21.61.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775232565; cv=none; b=A10uO5N7HSdO6MtFXD98/uWYtnEOlh2tF1WZg0RrdlrSyVf3VaVQgmNwQmxZxfKrSGPNwobkRZPlIx0e/bK9W/LKQCSyraJgUDQlIGSut/1uvWieAdYYOz6VSONEZosAWgq8Fo+OCPGl8n5QEnVeDQuj5hFSK6NIXhJsKF9xTrk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775232565; c=relaxed/simple; bh=Q8ByvFFPbagYCfBbxUtAun76d9Q2AZFAwBqZPLsNOk4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oaWUs4EURrQklWxN9cPA+z4NudNgsOCA495GU/juj+WLLWCJiud+OiC/klLNgWb2D7/fgOr8JDe45wXg6H2sfCKMuQyrvKMWj+Vv38r+ESr/TiDgDfOv1k/76L8x29/XAwEQ1/23yQ4QVju1uqfilAKPbsAgO2BN6AebmXvzIuA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=aliel.fr; spf=pass smtp.mailfrom=aliel.fr; dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr header.b=ba+dg2Rj; arc=none smtp.client-ip=65.21.61.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=aliel.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aliel.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr header.b="ba+dg2Rj" From: Ronald Claveau DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr; s=courrier-s1; t=1775232555; bh=Q8ByvFFPbagYCfBbxUtAun76d9Q2AZFAwBqZPLsNOk4=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=ba+dg2Rj/LoUI10tNBOgsrOpdo+R21DNRDlK5sH9pPq0UxTfjw+BcRTcQIf/v+H75 8TBl8to7QpxPqvIk0pU3Zdo+4SgIVZmOWrSz/VazoGfvBHJxY4qLOCRYh1dFmIWJ1e iXcJTTuFhtl8LvW34+JVjmdoxYfOfcq1r9fL89y8= Date: Fri, 03 Apr 2026 18:08:34 +0200 Subject: [PATCH v2 1/8] dt-bindings: mfd: khadas: Add new compatible for Khadas VIM4 MCU 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: <20260403-add-mcu-fan-khadas-vim4-v2-1-70536b22439a@aliel.fr> References: <20260403-add-mcu-fan-khadas-vim4-v2-0-70536b22439a@aliel.fr> In-Reply-To: <20260403-add-mcu-fan-khadas-vim4-v2-0-70536b22439a@aliel.fr> To: Neil Armstrong , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andi Shyti , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Beniamino Galvani , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Liam Girdwood , Mark Brown Cc: linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, Ronald Claveau X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openssh-sha256; t=1775232551; l=1084; i=linux-kernel-dev@aliel.fr; s=id_ed25519; h=from:subject:message-id; bh=Q8ByvFFPbagYCfBbxUtAun76d9Q2AZFAwBqZPLsNOk4=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgMGec55oxeeisqykQiUedekMYyOnR9 BG9E/7rDWyqdNoAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QN+HSpfVr3U76oMKxbTnvYCN4HQkwOpO+FuclfO5fOUGdk4TD1qkgOSRYaKTwmsfXofiiJi8mb2 65R3L/cCxJg8= X-Developer-Key: i=linux-kernel-dev@aliel.fr; a=openssh; fpr=SHA256:kch4osYZ6A1BrPps5AUs6KnfdE2wm4ocMtyTc8TmZMs The Khadas VIM4 MCU register is slightly different from previous boards' MCU. This board also features a switchable power source for its fan. Signed-off-by: Ronald Claveau --- Documentation/devicetree/bindings/mfd/khadas,mcu.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml b/Docume= ntation/devicetree/bindings/mfd/khadas,mcu.yaml index 084960fd5a1fd..67769ef5d58b1 100644 --- a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml +++ b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml @@ -18,6 +18,7 @@ properties: compatible: enum: - khadas,mcu # MCU revision is discoverable + - khadas,vim4-mcu =20 "#cooling-cells": # Only needed for boards having FAN control feature const: 2 @@ -25,6 +26,10 @@ properties: reg: maxItems: 1 =20 + fan-supply: + description: Phandle to the regulator that powers the fan. + $ref: /schemas/types.yaml#/definitions/phandle + required: - compatible - reg --=20 2.49.0