{"id":2219199,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2219199/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260402-add-mcu-fan-khadas-vim4-v1-8-2b12eb4ac7b0@aliel.fr/","project":{"id":35,"url":"http://patchwork.ozlabs.org/api/1.2/projects/35/?format=json","name":"Linux I2C development","link_name":"linux-i2c","list_id":"linux-i2c.vger.kernel.org","list_email":"linux-i2c@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260402-add-mcu-fan-khadas-vim4-v1-8-2b12eb4ac7b0@aliel.fr>","list_archive_url":null,"date":"2026-04-02T14:27:08","name":"[8/8] arm64: dts: amlogic: t7: khadas-vim4: Add i2c MCU fan node","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"a997e49660e8f71e262cc300240165dad9eb9c8b","submitter":{"id":93040,"url":"http://patchwork.ozlabs.org/api/1.2/people/93040/?format=json","name":"Ronald Claveau","email":"linux-kernel-dev@aliel.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260402-add-mcu-fan-khadas-vim4-v1-8-2b12eb4ac7b0@aliel.fr/mbox/","series":[{"id":498492,"url":"http://patchwork.ozlabs.org/api/1.2/series/498492/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/list/?series=498492","date":"2026-04-02T14:27:02","name":"Add VIM4 MCU/FAN support","version":1,"mbox":"http://patchwork.ozlabs.org/series/498492/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219199/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219199/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-i2c@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n secure) header.d=aliel.fr header.i=@aliel.fr header.a=rsa-sha256\n header.s=courrier-s1 header.b=e3nfKRpv;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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a=rsa-sha256; c=relaxed/simple; d=aliel.fr;\n\ts=courrier-s1; t=1775140061;\n\tbh=tWFcpje6b/UPuUaynpp5o+HzSsytJcZL6uVNyAgG8qQ=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc;\n\tb=e3nfKRpvtbWCugSTlrB6xM0bW8INyyHs/BrMwxwvj/J4z3lR0Q2eLYUXWD2IuNUSK\n\t HOVgt3B2pzcUh0dva3MwAO4KLyllSWp3O/zb/zoA7YZmeXJ16CpDTSMTeFOUe1PLsT\n\t n1Epyb1eIrFeRfVH0d0cxPkt+J4+RkArPmDDA+kw=","Date":"Thu, 02 Apr 2026 16:27:08 +0200","Subject":"[PATCH 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add i2c MCU fan\n node","Precedence":"bulk","X-Mailing-List":"linux-i2c@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260402-add-mcu-fan-khadas-vim4-v1-8-2b12eb4ac7b0@aliel.fr>","References":"<20260402-add-mcu-fan-khadas-vim4-v1-0-2b12eb4ac7b0@aliel.fr>","In-Reply-To":"<20260402-add-mcu-fan-khadas-vim4-v1-0-2b12eb4ac7b0@aliel.fr>","To":"Neil Armstrong , Lee Jones ,\n Rob Herring , Krzysztof Kozlowski ,\n Conor Dooley , Andi Shyti ,\n Kevin Hilman , Jerome Brunet ,\n Martin Blumenstingl ,\n Beniamino Galvani ,\n \"Rafael J. Wysocki\" ,\n Daniel Lezcano , Zhang Rui ,\n Lukasz Luba , Liam Girdwood ,\n Mark Brown ","Cc":"linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,\n linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,\n Ronald Claveau ","X-Mailer":"b4 0.14.3","X-Developer-Signature":"v=1; a=openssh-sha256; t=1775140051; l=969;\n i=linux-kernel-dev@aliel.fr; s=id_ed25519; h=from:subject:message-id;\n bh=tWFcpje6b/UPuUaynpp5o+HzSsytJcZL6uVNyAgG8qQ=;\n b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgMGec55oxeeisqykQiUedekMYyOnR9\n BG9E/7rDWyqdNoAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA\n QJIY6FKnyDrhKteZ33QADvgyu5beQ9sTm3uAgCLyjMxrHiWIONoSaOlln+PPEHfSf+fIMT1xdYb\n 7FkqsNbVS1A8=","X-Developer-Key":"i=linux-kernel-dev@aliel.fr; a=openssh;\n fpr=SHA256:kch4osYZ6A1BrPps5AUs6KnfdE2wm4ocMtyTc8TmZMs"},"content":"Enable and configure i2c MCU node to get fan working on Khadas VIM4.\n\nSigned-off-by: Ronald Claveau \n---\n .../boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 13 +++++++++++++\n 1 file changed, 13 insertions(+)","diff":"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\nindex 69d6118ba57e7..5d7f5390f3a66 100644\n--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts\n+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts\n@@ -157,6 +157,19 @@ wifi32k: wifi32k {\n \t};\n };\n \n+&i2c_m_ao_a {\n+\tstatus = \"okay\";\n+\tpinctrl-0 = <&i2c0_ao_d_pins>;\n+\tpinctrl-names = \"default\";\n+\n+\tkhadas_mcu: system-controller@18 {\n+\t\tcompatible = \"khadas,vim4-mcu\";\n+\t\treg = <0x18>;\n+\t\tfan-supply = <&vcc5v>;\n+\t\t#cooling-cells = <2>;\n+\t};\n+};\n+\n &pwm_ab {\n \tstatus = \"okay\";\n \tpinctrl-0 = <&pwm_a_pins>;\n","prefixes":["8/8"]}