From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m3285.qiye.163.com (mail-m3285.qiye.163.com [220.197.32.85]) (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 3331F298CAF; Fri, 6 Mar 2026 07:46:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.32.85 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772783169; cv=none; b=BXS9w0uFce3QRCgfgsJ8MeXkt5iOoCetPD4vY56a5Oest8cB1nD01vze1CLbrkZqCZEB3ZZm+KgP0zH8NGZ3apeagBh5pL832W3UHN03Yqs8yuZvZF9Ch8OCCR2obOjzUlZJaby6U/eDGT3fHNm21qvSAz1IqH5NGq9LgQDiinY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772783169; c=relaxed/simple; bh=tY5u6ew4aK14yFkd46sg2namrulm71QthpYyuZqu1XE=; h=From:To:Cc:Subject:Date:Message-Id; b=c7F/8wsvYf4y7asx6xNMxt/5km7td/epMLptzLjanNLOKL6SMxSJGZTRE7BzN0Yq2Zw7JAIkz49my0Q35R4dMiCaPjiShPs3KdbFlXbYNqe9ok2PDKqGQ7DdfDFMgFWbQ8dYTZuEYUXeKQftndi26tkDklc4cBcj5ENDfyxeQJY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b=hMxMq6NT; arc=none smtp.client-ip=220.197.32.85 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=rock-chips.com header.i=@rock-chips.com header.b="hMxMq6NT" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 35fcf41c7; Fri, 6 Mar 2026 15:40:48 +0800 (GMT+08:00) From: Shawn Lin To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, Shawn Lin Subject: [PATCH 0/3] Add shaping support for Rockchip platforms Date: Fri, 6 Mar 2026 15:40:29 +0800 Message-Id: <1772782832-216867-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 X-HM-Tid: 0a9cc21786a709cckunm7894a4e01405b5c X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGkJLS1YdSRlLQk0aTh1JSUhWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=hMxMq6NTdtGQXcm34cBu1ZOamzPkNApDLENLq0mCf7Czd+PoegEtWivxlmnF9HjmcbNCyMZDvWEKS6TCD2c3S9Ogz9eYIfkimmvszD8zYL7DBsuOG2uRBS9Vzo5O09FBFtKgNpCj8LxUfwqborBMPsRzA+MLfM88dRbAqTSMijE=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=qACK77M8imd6tMfzuiqSbpPVRZC5FMb2GQ7Svv8vO/M=; h=date:mime-version:subject:message-id:from; Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: pm_shaping is introduced for some platforms to throttle the outstanding burst requests of each IP to prevent bus monopolization. It should be saved and restored along with the on/off of pmdomain, the same as pm_qos. This patchset adds support for it. Shawn Lin (3): dt-bindings: power: rockchip: Add pm_shaping support pmdomain: rockchip: Add pm_shaping support arm64: dts: rockchip: Add shaping nodes for rk3576 .../bindings/power/rockchip,power-controller.yaml | 8 ++ arch/arm64/boot/dts/rockchip/rk3576.dtsi | 139 +++++++++++++++++++++ drivers/pmdomain/rockchip/pm-domains.c | 97 ++++++++++++++ 3 files changed, 244 insertions(+) -- 2.7.4