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GET /api/patches/2219597/?format=api
{ "id": 2219597, "url": "http://patchwork.ozlabs.org/api/patches/2219597/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pwm/patch/ef79e974c6680202294a4cfde7cc791753bf1b3e.1775223441.git.andrea.porta@suse.com/", "project": { "id": 38, "url": "http://patchwork.ozlabs.org/api/projects/38/?format=api", "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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<ef79e974c6680202294a4cfde7cc791753bf1b3e.1775223441.git.andrea.porta@suse.com>", "list_archive_url": null, "date": "2026-04-03T14:31:56", "name": "[3/3] arm64: dts: broadcom: rp1: Add PWM node", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6950ab864a40e54cbdb59db118d5fd45eecbc51b", "submitter": { "id": 88172, "url": "http://patchwork.ozlabs.org/api/people/88172/?format=api", "name": "Andrea della Porta", "email": "andrea.porta@suse.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pwm/patch/ef79e974c6680202294a4cfde7cc791753bf1b3e.1775223441.git.andrea.porta@suse.com/mbox/", "series": [ { "id": 498637, "url": "http://patchwork.ozlabs.org/api/series/498637/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pwm/list/?series=498637", "date": "2026-04-03T14:31:53", "name": "Add RP1 PWM controller support", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498637/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219597/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219597/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pwm+bounces-8472-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pwm@vger.kernel.org" ], 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"Andrea della Porta <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>", "Subject": "[PATCH 3/3] arm64: dts: broadcom: rp1: Add PWM node", "Date": "Fri, 3 Apr 2026 16:31:56 +0200", "Message-ID": "\n <ef79e974c6680202294a4cfde7cc791753bf1b3e.1775223441.git.andrea.porta@suse.com>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<cover.1775223441.git.andrea.porta@suse.com>", "References": "<cover.1775223441.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..7e78501e62b0c 100644\n--- a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi\n+++ b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi\n@@ -56,6 +56,16 @@ rp1_eth: ethernet@40100000 {\n \t\t#size-cells = <0>;\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_usb0: usb@40200000 {\n \t\tcompatible = \"snps,dwc3\";\n \t\treg = <0x00 0x40200000 0x0 0x100000>;\n", "prefixes": [ "3/3" ] }