From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-m19731113.qiye.163.com (mail-m19731113.qiye.163.com [220.197.31.113]) (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 44E2137757D; Fri, 6 Mar 2026 07:40:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.113 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772782866; cv=none; b=GynlBJ8/QfiCe17x7aRygLx93blV4eoh4OWgncf69H2zhOjiq5JZpQJNaUJAHzk+XKUts1lh0ifwaeuTNublw9+NXIzAXVcKEk3dQEbcCH4RlaFLMPnF8m3Yt90PxA2dzMjhRZnOsUcpO72tkFzH629xJNoWqNmNzfS4PzVy1J4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772782866; c=relaxed/simple; bh=/Zx5NSkX3NRNUg+5Dv1UgnflpXo0uGtK62/ZMZKXRTQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=NJhGjOZIaqO4U0xcm6z13ToRce7Hq2vAWeYf2s0uHQ9hTf4hhMZHH3/kyv7sBT4+XY75amdlAhKlSgrX3LrqvDsEPDACKJi2M/Nlzf+JlTThvcqnoPuEVOq/X6jX8bbPM2CIr/ZVmLUz54zSD2M/3wdjggcnS/WT44uZ9SfC1d4= 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=M5Va1dFz; arc=none smtp.client-ip=220.197.31.113 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="M5Va1dFz" Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 35fcf41e0; Fri, 6 Mar 2026 15:40:53 +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 1/3] dt-bindings: power: rockchip: Add pm_shaping support Date: Fri, 6 Mar 2026 15:40:30 +0800 Message-Id: <1772782832-216867-2-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1772782832-216867-1-git-send-email-shawn.lin@rock-chips.com> References: <1772782832-216867-1-git-send-email-shawn.lin@rock-chips.com> X-HM-Tid: 0a9cc2179bc509cckunm7894a4e01405bae X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGh8fQlZPGk8YGhpMSk4YQx9WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSU9PT0 hVSktLVUpCS0tZBg++ DKIM-Signature: a=rsa-sha256; b=M5Va1dFz3mu/y6ZmZEf1wX2ciJ/Kp0ID7vuoLAZBWbwZA/pz8456FJi1M2KS4IKK0kKM7bNEbMQmvkEMKUMmg+AEh5hQ5VkjyToeaG2HF38pRe2i7TFp+YK6HUWqMvCBgfeKiGgibvyir5PUEiWc6G+FKcjizpQcawEGp/3MwJQ=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=38mHrnKAJ0MkRyoXR99jAy7rm6c8iWvbAfXMlBLrGfY=; 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. Add a discription of it. Signed-off-by: Shawn Lin --- .../devicetree/bindings/power/rockchip,power-controller.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml index b41db57..4af6c30 100644 --- a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml @@ -147,6 +147,14 @@ $defs: A number of phandles to qos blocks which need to be saved and restored while power domain switches state. + pm_shaping: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + maxItems: 1 + description: | + A number of phandles to shaping blocks which need to be saved and restored + while power domain switches state. + "#power-domain-cells": enum: [0, 1] description: -- 2.7.4