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 CA8783CA4BB; Fri, 3 Apr 2026 16:09:27 +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=1775232569; cv=none; b=o8G/e/xAp+3OEpAU5hnemytiE/qetZHtqIqkQRF2LLc0YUCx9ILtR3UHFFubRU3f8i4zVvK4koMsyFp1GS2DSs3evT4yUhyF1vZbmh54MtQc4zmyU+MiR0416XlNwR76qx9GJXun0N1EreS/1chwpWmExEw/SM9vBvOxDnKzBu8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775232569; c=relaxed/simple; bh=tWFcpje6b/UPuUaynpp5o+HzSsytJcZL6uVNyAgG8qQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=g8ul151JrduGlljISUh5eSsi1fQbrvsUnVax7kIlFtJ+IN5sqJgv2qCrAhC6J4KiSXeoEsEsRzu35jaSTPWXbJRL/eRxQKq2l+7Oat8zD4vLkSjrJ/uZRIFTO7RC0PGqGp4D+Rdj60N0efR+BCvOT4tEiZYGLUiijx01R4b2JwM= 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=SAyZ5BS6; 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="SAyZ5BS6" From: Ronald Claveau DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr; s=courrier-s1; t=1775232563; bh=tWFcpje6b/UPuUaynpp5o+HzSsytJcZL6uVNyAgG8qQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=SAyZ5BS6ofDHgKO5Xk9WYjes2SdJbc9K4lI60FGg8iSiHs3rpLoq17kwTNozDJyuz If4jOIeDyVgwt3MtN9agw2rXcEdeD3s2u1QFz4Sj+2USNT5p7p4ctgsAEsUJvlFKd6 mboKeduxKZfBJRTI7ECVtq8Rx4T9Hg5HVt4SZZlM= Date: Fri, 03 Apr 2026 18:08:41 +0200 Subject: [PATCH v2 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add i2c MCU fan node 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-v2-8-70536b22439a@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=1775232553; l=969; i=linux-kernel-dev@aliel.fr; s=id_ed25519; h=from:subject:message-id; bh=tWFcpje6b/UPuUaynpp5o+HzSsytJcZL6uVNyAgG8qQ=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgMGec55oxeeisqykQiUedekMYyOnR9 BG9E/7rDWyqdNoAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QOAWo0AXdyugOROWoSlCDGp6h3/kn2YUgjy+lYlw1HvW+UBcD6HSmxDdEPoGijEsoNllH5aBUmp MXW4iFX7LpQo= X-Developer-Key: i=linux-kernel-dev@aliel.fr; a=openssh; fpr=SHA256:kch4osYZ6A1BrPps5AUs6KnfdE2wm4ocMtyTc8TmZMs Enable and configure i2c MCU node to get fan working on Khadas VIM4. Signed-off-by: Ronald Claveau --- .../boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 13 +++++++++= ++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts = b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts index 69d6118ba57e7..5d7f5390f3a66 100644 --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts @@ -157,6 +157,19 @@ wifi32k: wifi32k { }; }; =20 +&i2c_m_ao_a { + status =3D "okay"; + pinctrl-0 =3D <&i2c0_ao_d_pins>; + pinctrl-names =3D "default"; + + khadas_mcu: system-controller@18 { + compatible =3D "khadas,vim4-mcu"; + reg =3D <0x18>; + fan-supply =3D <&vcc5v>; + #cooling-cells =3D <2>; + }; +}; + &pwm_ab { status =3D "okay"; pinctrl-0 =3D <&pwm_a_pins>; --=20 2.49.0