From patchwork Mon May 18 09:24:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Lu X-Patchwork-Id: 11555067 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2590513B4 for ; Mon, 18 May 2020 09:25:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0244C20787 for ; Mon, 18 May 2020 09:25:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DthpxQ4F"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Va6hluz4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0244C20787 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=sIx2Dwf3ZQ0o8hU7Enxh1RcSBycKz3sQBIxXU+OWwLg=; b=DthpxQ4FIJeFKw FVKnifAGC82EG+PIo+ZCLTHjqm55/1bZuUu0b6tYKnCqn/yKMqC2g6CTD2K3Q0PH1GGS5hrxZvrmq 719RlfxJSkR4pkCwns/UVscTZ8mT/MLQuONlfV0ehzX2pcby2FkpDmQGlIh2lWygCWLubCoVWNeJM l/B7GFqsRwK/zD6y3muOjADdWbjL+wGEVJfpmem5bk8YLdrj2exJlHMOqhyPr7JMnkw7tYfMhnCmk iHOcpB1XIZAZZAFWSLNc8++G6kcJXP0HODXTiBgPJXLJboV1wUKuCUgR5UVVujXx4qlg9yt3gNSCa EJMkxVSYS5lTd2yZ6zUQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jac17-0006AD-03; Mon, 18 May 2020 09:25:01 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jac13-00067o-KJ; Mon, 18 May 2020 09:24:59 +0000 X-UUID: 6b503ae948b542649b259568cd64efcf-20200518 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=0DTYtg7DH/aaZsHajF1M0GEhpPDj6HE4U9Su4EW4ZBg=; b=Va6hluz4/bYSptacD8bkhsa7nqDZ2RFMyTranQOalM8PvJkJFDufyvfFqfxrt16Eu3JTqNK1zXkkWjaYPe4/rTWrbAF32VKsT7VVlBavvczJ9jN19kkFozRrtllCR0Kyh2vL+FHwLlmDezX0unYUnglb0LuuuzxNYqAEFeq5e5w=; X-UUID: 6b503ae948b542649b259568cd64efcf-20200518 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 546234437; Mon, 18 May 2020 01:24:44 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 18 May 2020 02:24:48 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 18 May 2020 17:24:45 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 18 May 2020 17:24:45 +0800 From: Roger Lu To: Kevin Hilman , Rob Herring , Nicolas Boichat , Stephen Boyd Subject: [PATCH v8 0/3] PM / AVS: SVS: Introduce SVS engine Date: Mon, 18 May 2020 17:24:01 +0800 Message-ID: <20200518092403.22647-1-roger.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-TM-SNTS-SMTP: 5934DDCDEAF0C437AC4DD8F51EBED5FD5EACA359D2BA842B5D2816D48513A4412000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200518_022457_664592_2F9B343D X-CRM114-Status: UNSURE ( 8.25 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Nishanth Menon , Angus Lin , devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Roger Lu , linux-kernel@vger.kernel.org, Xiaoqing Liu , YT Lee , Fan Chen , linux-mediatek@lists.infradead.org, HenryC Chen , Charles Yang , Matthias Brugger , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 1. SVS driver use OPP adjust event in [1] to update OPP table voltage part. 2. SVS dts node refers to CPU opp table [2] and GPU opp table [3]. 3. SVS and thermal dts use the same thermal efuse [4]. 4. SVS dts needs power-domain [5][6] and PMIC regulator [7]. [1] https://patchwork.kernel.org/patch/11193513/ [2] https://patchwork.kernel.org/patch/11304935/ [3] https://patchwork.kernel.org/patch/11423009/ [4] https://patchwork.kernel.org/patch/11316495/ [5] https://lore.kernel.org/patchwork/patch/1236875/ [6] https://lore.kernel.org/patchwork/patch/1236878/ [7] https://patchwork.kernel.org/patch/11284617/ pending discussion: - SVS sub-node architecture concern in below patch. https://lore.kernel.org/patchwork/patch/1175994/ https://lore.kernel.org/patchwork/patch/1175994/ changes since v7: - Add "mtk_svs.yaml" for device-tree binding document. - Add svs_add_thermal_device_link() in driver for svs device (consumer) to link thermal device (supplier). - replace pm_qos_add_request() with cpu_latency_qos_add_request() for letting CPUs leave idle-off state. Roger Lu (3): dt-bindings: power: avs: add mtk svs dt-bindings arm64: dts: mt8183: add svs device information PM / AVS: SVS: Introduce SVS engine .../bindings/power/avs/mtk_svs.yaml | 141 ++ arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 16 + arch/arm64/boot/dts/mediatek/mt8183.dtsi | 41 + drivers/power/avs/Kconfig | 10 + drivers/power/avs/Makefile | 1 + drivers/power/avs/mtk_svs.c | 2119 +++++++++++++++++ include/linux/power/mtk_svs.h | 23 + 7 files changed, 2351 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/avs/mtk_svs.yaml create mode 100644 drivers/power/avs/mtk_svs.c create mode 100644 include/linux/power/mtk_svs.h