From patchwork Thu May 29 22:23:53 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wilczynski X-Patchwork-Id: 893286 Received: from mailout1.w1.samsung.com (mailout1.w1.samsung.com [210.118.77.11]) (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 32F7D221557 for ; Thu, 29 May 2025 22:24:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.118.77.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748557459; cv=none; b=aMYVgIgIjrqQm9tsUB7pT7GQQyhhwk6D6vl+ACgC/LlyYuJoZgt3wKvZf1fup083ToDoAnOIEaak0hvJOEJ3uWPN4mj2YhHxYZIORIAT0V0ZNWQ0CNmadNxUNA852qSX7Yr9cM7+FhcR6e/Mziyk3SDgOKkDGVPtZDshE8ioCn0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748557459; c=relaxed/simple; bh=gzz08eHWwUxuY3CeJ2uiRThhY0/iCcyEUXquAUPnEIM=; h=From:Date:Subject:MIME-Version:Message-Id:In-Reply-To:To:Cc: Content-Type:References; b=IVnbvoEVwP3IOIIkjbicSfAlvlEOfvi5RdHW1yUsV/OsTs8DQh5rZDRDf4SfJqNrZ+CdPDMsI3Onl61Q3NH+CPRSA3IInCEkQJDPe3qtWFavskuchuItWJUjKG00TZPipu7gdbUzfBENqF1wYFsLFRoxYKx+CpuL0XZffNtDsIc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=dCo4LnRW; arc=none smtp.client-ip=210.118.77.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="dCo4LnRW" Received: from eucas1p2.samsung.com (unknown [182.198.249.207]) by mailout1.w1.samsung.com (KnoxPortal) with ESMTP id 20250529222410euoutp01c6e5eb0971f84d3a18d84bdd2ff67d11~EH7yc7t7V2316223162euoutp014 for ; Thu, 29 May 2025 22:24:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.w1.samsung.com 20250529222410euoutp01c6e5eb0971f84d3a18d84bdd2ff67d11~EH7yc7t7V2316223162euoutp014 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1748557450; bh=iDKUS4/W4anCMc9efhu9LJv9bqq+RveQHjm6X16x1K4=; h=From:Date:Subject:In-Reply-To:To:Cc:References:From; b=dCo4LnRWzbECCNOWoukauv0ANlBhHJGWGXYMXYvikk5a8fbpA1qqD2GfAAXzBWOys rsr1Zpl2JWu8UR1d44jOInxEDiWWpMxh+NJogCbgflXUJkfHDhKcGj7luBt/iHCwvY VfsgcaTRGxvXbIj4WJKpF2+BzBGZc854MbzVF70Q= Received: from eusmtip2.samsung.com (unknown [203.254.199.222]) by eucas1p2.samsung.com (KnoxPortal) with ESMTPA id 20250529222408eucas1p20f62cea4c9c64bb5dda6db1fd38fb333~EH7xQ4-m70456404564eucas1p2V; Thu, 29 May 2025 22:24:08 +0000 (GMT) Received: from AMDC4942.eu.corp.samsungelectronics.net (unknown [106.210.136.40]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20250529222408eusmtip20e45fce43476667b7407ee8364f8de8a~EH7wV181P2867928679eusmtip2V; Thu, 29 May 2025 22:24:07 +0000 (GMT) From: Michal Wilczynski Date: Fri, 30 May 2025 00:23:53 +0200 Subject: [PATCH v3 6/8] riscv: dts: thead: Add GPU power sequencer node Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250530-apr_14_for_sending-v3-6-83d5744d997c@samsung.com> In-Reply-To: <20250530-apr_14_for_sending-v3-0-83d5744d997c@samsung.com> To: Drew Fustini , Guo Ren , Fu Wei , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michal Wilczynski , Bartosz Golaszewski , Philipp Zabel , Frank Binns , Matt Coster , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Ulf Hansson , Marek Szyprowski Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dri-devel@lists.freedesktop.org X-Mailer: b4 0.15-dev X-CMS-MailID: 20250529222408eucas1p20f62cea4c9c64bb5dda6db1fd38fb333 X-Msg-Generator: CA X-RootMTR: 20250529222408eucas1p20f62cea4c9c64bb5dda6db1fd38fb333 X-EPHeader: CA X-CMS-RootMailID: 20250529222408eucas1p20f62cea4c9c64bb5dda6db1fd38fb333 References: <20250530-apr_14_for_sending-v3-0-83d5744d997c@samsung.com> Add the device tree node for the T-HEAD TH1520 GPU power sequencer (gpu_pwrseq) to the th1520.dtsi file. This node instantiates the thead,th1520-gpu-pwrseq driver, which is responsible for managing the GPU's power-on/off sequence. The node specifies the gpu-clkgen reset, which is one of the resources controlled by this sequencer. Signed-off-by: Michal Wilczynski --- arch/riscv/boot/dts/thead/th1520.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index bdbb1b985b0b76cf669a9bf40c6ec37258329056..6170eec79e919b606a2046ac8f52db07e47ef441 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -238,6 +238,12 @@ aon: aon { #power-domain-cells = <1>; }; + gpu_pwrseq: pwrseq { + compatible = "thead,th1520-gpu-pwrseq"; + resets = <&rst TH1520_RESET_ID_GPU_CLKGEN>; + reset-names = "gpu-clkgen"; + }; + soc { compatible = "simple-bus"; interrupt-parent = <&plic>;