{"id":2224574,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2224574/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/patch/20260417-add-mcu-fan-khadas-vim4-v3-1-a6a7f570b11b@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":"<20260417-add-mcu-fan-khadas-vim4-v3-1-a6a7f570b11b@aliel.fr>","list_archive_url":null,"date":"2026-04-17T16:27:17","name":"[v3,1/8] dt-bindings: mfd: khadas: Add new compatible for Khadas VIM4 MCU","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"153fce07302c2f3503f7084fbe20e574650263ae","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/20260417-add-mcu-fan-khadas-vim4-v3-1-a6a7f570b11b@aliel.fr/mbox/","series":[{"id":500372,"url":"http://patchwork.ozlabs.org/api/1.2/series/500372/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-i2c/list/?series=500372","date":"2026-04-17T16:27:24","name":"Add VIM4 MCU/FAN support","version":3,"mbox":"http://patchwork.ozlabs.org/series/500372/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2224574/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2224574/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=iFKBJsTT;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776443824; cv=none;\n b=hHgw2HUXnP3F2KVg0fvKIrWi3bWl/1541oUURMmOk5DOUyQBrvyVj1bkSLJSGv9H0PmkWbGjDp3fSy4TGgUZ2OivpTfzoeOQnVnXWpLrvEMbZtUivc5fz3E7FTv8e2FD80Xd+RmrNyCz2XyG0eP6J9ef1B2D+3JWDyfAjjiFMsk=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776443824; c=relaxed/simple;\n\tbh=BrvwGQP22Wh76pAifZEeJmMBXC8MHpG63+5VQQNLAYM=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=JNCET3LYx1pEkQcxXmSAAuMWqcT1Nr1sKG0pwomb9tNHUIZ9vNIRtGMuXc90oPc6JRZ9jep+wm3yyiVJuwLG6M57oBYqkYQSXqR56EzQ2LHXF2JY8Iv/FXkQnPFg8bty4EeraBySyMB0NHlfaZS8NRwJ+Sxg5jmHlU3frtmPsdg=","ARC-Authentication-Results":"i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=aliel.fr;\n spf=pass smtp.mailfrom=aliel.fr;\n dkim=pass (1024-bit key) header.d=aliel.fr header.i=@aliel.fr\n header.b=iFKBJsTT; arc=none smtp.client-ip=65.21.61.41","From":"Ronald Claveau ","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=aliel.fr;\n\ts=courrier-s1; t=1776443820;\n\tbh=BrvwGQP22Wh76pAifZEeJmMBXC8MHpG63+5VQQNLAYM=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc;\n\tb=iFKBJsTTz2uT+aQnO5evyqxD1BvqlRbO1tbj9VYV5CgUakh1P0eV4SgJdSfOxhcDi\n\t RHLji55bmooe0JvjSxxKFr8dWNudSu4fM6NM4ht2Bq1mfnW0NKHd3Xksj6KDeKV68j\n\t RnfwHbyc/GEf+a8vKrj5+X0JAvivJCeHBwjmrUMw=","Date":"Fri, 17 Apr 2026 18:27:17 +0200","Subject":"[PATCH v3 1/8] dt-bindings: mfd: khadas: Add new compatible for\n Khadas VIM4 MCU","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":"<20260417-add-mcu-fan-khadas-vim4-v3-1-a6a7f570b11b@aliel.fr>","References":"<20260417-add-mcu-fan-khadas-vim4-v3-0-a6a7f570b11b@aliel.fr>","In-Reply-To":"<20260417-add-mcu-fan-khadas-vim4-v3-0-a6a7f570b11b@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=1776443816; l=1126;\n i=linux-kernel-dev@aliel.fr; s=id_ed25519; h=from:subject:message-id;\n bh=BrvwGQP22Wh76pAifZEeJmMBXC8MHpG63+5VQQNLAYM=;\n b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgMGec55oxeeisqykQiUedekMYyOnR9\n BG9E/7rDWyqdNoAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA\n QNu0UZHq67B+OChJU3byJgOs6XGguU2h+aEBBq7w/pgu4ny1Qf6kPJGwGR7AJ9/SuiDPyonlhrd\n CbinxBhs2NAg=","X-Developer-Key":"i=linux-kernel-dev@aliel.fr; a=openssh;\n fpr=SHA256:kch4osYZ6A1BrPps5AUs6KnfdE2wm4ocMtyTc8TmZMs"},"content":"The Khadas VIM4 MCU register is slightly different\nfrom previous boards' MCU.\nThis board also features a switchable power source for its fan.\n\nSigned-off-by: Ronald Claveau \n---\n Documentation/devicetree/bindings/mfd/khadas,mcu.yaml | 5 +++++\n 1 file changed, 5 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml\nindex 084960fd5a1fd..a80718f7595ce 100644\n--- a/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml\n+++ b/Documentation/devicetree/bindings/mfd/khadas,mcu.yaml\n@@ -18,6 +18,7 @@ properties:\n compatible:\n enum:\n - khadas,mcu # MCU revision is discoverable\n+ - khadas,vim4-mcu # Different MCU variant, not discoverable\n \n \"#cooling-cells\": # Only needed for boards having FAN control feature\n const: 2\n@@ -25,6 +26,10 @@ properties:\n reg:\n maxItems: 1\n \n+ fan-supply:\n+ description: Phandle to the regulator that powers the fan.\n+ $ref: /schemas/types.yaml#/definitions/phandle\n+\n required:\n - compatible\n - reg\n","prefixes":["v3","1/8"]}