{"id":2221975,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2221975/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pwm/patch/ba57b3b38757d37cf09ea1b8b9e6b6a106d0b292.1775829499.git.andrea.porta@suse.com/","project":{"id":38,"url":"http://patchwork.ozlabs.org/api/1.1/projects/38/?format=json","name":"Linux PWM development","link_name":"linux-pwm","list_id":"linux-pwm.vger.kernel.org","list_email":"linux-pwm@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<ba57b3b38757d37cf09ea1b8b9e6b6a106d0b292.1775829499.git.andrea.porta@suse.com>","date":"2026-04-10T14:09:59","name":"[v2,3/3] arm64: dts: broadcom: rpi-5: Add RP1 PWM node","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":false,"hash":"a4f248f20e7c8133f858d16139a58b6638d23bc3","submitter":{"id":88172,"url":"http://patchwork.ozlabs.org/api/1.1/people/88172/?format=json","name":"Andrea della Porta","email":"andrea.porta@suse.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-pwm/patch/ba57b3b38757d37cf09ea1b8b9e6b6a106d0b292.1775829499.git.andrea.porta@suse.com/mbox/","series":[{"id":499466,"url":"http://patchwork.ozlabs.org/api/1.1/series/499466/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-pwm/list/?series=499466","date":"2026-04-10T14:09:56","name":"Add RP1 PWM controller support","version":2,"mbox":"http://patchwork.ozlabs.org/series/499466/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2221975/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221975/checks/","tags":{},"headers":{"Return-Path":"\n <linux-pwm+bounces-8549-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pwm@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=suse.com header.i=@suse.com header.a=rsa-sha256\n header.s=google header.b=guIaUm/I;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c15:e001:75::12fc:5321; helo=sin.lore.kernel.org;\n envelope-from=linux-pwm+bounces-8549-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com\n header.b=\"guIaUm/I\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.128.48","smtp.subspace.kernel.org;\n dmarc=pass (p=quarantine dis=none) header.from=suse.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=suse.com"],"Received":["from sin.lore.kernel.org (sin.lore.kernel.org\n [IPv6:2600:3c15:e001:75::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fsdt24ts5z1yGb\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 11 Apr 2026 00:07:38 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sin.lore.kernel.org (Postfix) with ESMTP id 93E623023FA8\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 10 Apr 2026 14:07:18 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 1D95F3CE480;\n\tFri, 10 Apr 2026 14:07:10 +0000 (UTC)","from mail-wm1-f48.google.com (mail-wm1-f48.google.com\n [209.85.128.48])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 893503CB2FE\n\tfor <linux-pwm@vger.kernel.org>; Fri, 10 Apr 2026 14:07:08 +0000 (UTC)","by mail-wm1-f48.google.com with SMTP id\n 5b1f17b1804b1-488aa77a06eso32947665e9.0\n        for <linux-pwm@vger.kernel.org>; Fri, 10 Apr 2026 07:07:08 -0700 (PDT)","from localhost (93-41-3-120.ip79.fastwebnet.it. 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<andrea.porta@suse.com>","To":"=?utf-8?q?Uwe_Kleine-K=C3=B6nig?= <ukleinek@kernel.org>,\n linux-pwm@vger.kernel.org, Rob Herring <robh@kernel.org>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>,\n Florian Fainelli <florian.fainelli@broadcom.com>,\n Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>,\n Andrea della Porta <andrea.porta@suse.com>, devicetree@vger.kernel.org,\n linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org,\n linux-kernel@vger.kernel.org, Naushir Patuck <naush@raspberrypi.com>,\n Stanimir Varbanov <svarbanov@suse.de>, mbrugger@suse.com","Subject":"[PATCH v2 3/3] arm64: dts: broadcom: rpi-5: Add RP1 PWM node","Date":"Fri, 10 Apr 2026 16:09:59 +0200","Message-ID":"\n <ba57b3b38757d37cf09ea1b8b9e6b6a106d0b292.1775829499.git.andrea.porta@suse.com>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<cover.1775829499.git.andrea.porta@suse.com>","References":"<cover.1775829499.git.andrea.porta@suse.com>","Precedence":"bulk","X-Mailing-List":"linux-pwm@vger.kernel.org","List-Id":"<linux-pwm.vger.kernel.org>","List-Subscribe":"<mailto:linux-pwm+subscribe@vger.kernel.org>","List-Unsubscribe":"<mailto:linux-pwm+unsubscribe@vger.kernel.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit"},"content":"From: Stanimir Varbanov <svarbanov@suse.de>\n\nThe RP1 chipset used on the Raspberry Pi 5 features an integrated\nPWM controller to drive the cooling fan.\n\nAdd the corresponding DT node for this PWM controller.\n\nSigned-off-by: Stanimir Varbanov <svarbanov@suse.de>\nCo-developed-by: Andrea della Porta <andrea.porta@suse.com>\nSigned-off-by: Andrea della Porta <andrea.porta@suse.com>\n---\n arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 12 ++++++++++++\n arch/arm64/boot/dts/broadcom/rp1-common.dtsi     | 10 ++++++++++\n 2 files changed, 22 insertions(+)","diff":"diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts\nindex 2856082814462..a4e5ba23bf536 100644\n--- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts\n+++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts\n@@ -64,12 +64,24 @@ phy1: ethernet-phy@1 {\n };\n \n &rp1_gpio {\n+\tfan_pwm_default_state: fan-pwm-default-state {\n+\t\tfunction = \"pwm1\";\n+\t\tpins = \"gpio45\";\n+\t\tbias-pull-down;\n+\t};\n+\n \tusb_vbus_default_state: usb-vbus-default-state {\n \t\tfunction = \"vbus1\";\n \t\tgroups = \"vbus1\";\n \t};\n };\n \n+&rp1_pwm {\n+\tpinctrl-0 = <&fan_pwm_default_state>;\n+\tpinctrl-names = \"default\";\n+\tstatus = \"okay\";\n+};\n+\n &rp1_usb0 {\n \tpinctrl-0 = <&usb_vbus_default_state>;\n \tpinctrl-names = \"default\";\ndiff --git a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi\nindex 5a815c3797945..d0f4d6be75500 100644\n--- a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi\n+++ b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi\n@@ -26,6 +26,16 @@ rp1_clocks: clocks@40018000 {\n \t\t\t\t       <200000000>;  // RP1_CLK_SYS\n \t};\n \n+\trp1_pwm: pwm@4009c000 {\n+\t\tcompatible = \"raspberrypi,rp1-pwm\";\n+\t\treg = <0x00 0x4009c000  0x0 0x100>;\n+\t\tclocks = <&rp1_clocks RP1_CLK_PWM1>;\n+\t\tassigned-clocks = <&rp1_clocks RP1_CLK_PWM1>;\n+\t\tassigned-clock-rates = <50000000>;\n+\t\t#pwm-cells = <3>;\n+\t\tstatus = \"disabled\";\n+\t};\n+\n \trp1_gpio: pinctrl@400d0000 {\n \t\tcompatible = \"raspberrypi,rp1-gpio\";\n \t\treg = <0x00 0x400d0000  0x0 0xc000>,\n","prefixes":["v2","3/3"]}