From patchwork Thu Jan 7 02:43:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Lu X-Patchwork-Id: 358565 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47CB5C433DB for ; Thu, 7 Jan 2021 02:44:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F39223101 for ; Thu, 7 Jan 2021 02:44:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726477AbhAGCoo (ORCPT ); Wed, 6 Jan 2021 21:44:44 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:35745 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726260AbhAGCoo (ORCPT ); Wed, 6 Jan 2021 21:44:44 -0500 X-UUID: c8c9ba09879d498db371bd69143d298d-20210107 X-UUID: c8c9ba09879d498db371bd69143d298d-20210107 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1892806515; Thu, 07 Jan 2021 10:44:00 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 7 Jan 2021 10:43:58 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 7 Jan 2021 10:43:59 +0800 From: Roger Lu To: Matthias Brugger , Enric Balletbo Serra , Kevin Hilman , Rob Herring , Nicolas Boichat , Stephen Boyd , Philipp Zabel CC: Fan Chen , HenryC Chen , YT Lee , Xiaoqing Liu , Charles Yang , Angus Lin , Mark Rutland , Nishanth Menon , Roger Lu , , , , , Subject: [PATCH v11 0/7] soc: mediatek: SVS: introduce MTK SVS Date: Thu, 7 Jan 2021 10:43:49 +0800 Message-ID: <20210107024356.583-1-roger.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org 1. SVS driver uses OPP adjust event in [1] to update OPP table voltage part. 2. SVS driver gets thermal/GPU device by node [2][3] and CPU device by get_cpu_device(). After retrieving subsys device, SVS driver does device_link_add() to make sure probe/suspend callback priority. 3. SVS dts refers to reset controller [4] to help reset SVS HW. #mt8183 SVS related patches [1] https://patchwork.kernel.org/patch/11193513/ [2] https://patchwork.kernel.org/project/linux-mediatek/patch/20201013102358.22588-2-michael.kao@mediatek.com/ [3] https://patchwork.kernel.org/project/linux-mediatek/patch/20200306041345.259332-3-drinkcat@chromium.org/ #mt8192 SVS related patches [1] https://patchwork.kernel.org/patch/11193513/ [2] https://patchwork.kernel.org/project/linux-mediatek/patch/20201223074944.2061-1-michael.kao@mediatek.com/ [3] https://lore.kernel.org/patchwork/patch/1360551/ [4] https://patchwork.kernel.org/project/linux-mediatek/patch/20200817030324.5690-5-crystal.guo@mediatek.com/ changes since v10: - Fix typos and remove duplicate GENASK() - Use DIV_ROUND_UP instead of creating own math - Remove fake_efuse related codes and some type casting - Optimize svs_get_vops_v2() coding - Check "supplier links.status DL_DEV_DRIVER_BOUND" to make sure supplier is ready after doing device_link_add() Roger Lu (7): [v11,1/7]: dt-bindings: soc: mediatek: add mtk svs dt-bindings [v11,2/7]: arm64: dts: mt8183: add svs device information [v11,3/7]: soc: mediatek: SVS: introduce MTK SVS engine [v11,4/7]: soc: mediatek: SVS: add debug commands [v11,5/7]: dt-bindings: soc: mediatek: add mt8192 svs dt-bindings [v11,6/7]: arm64: dts: mt8192: add svs device information [v11,7/7]: soc: mediatek: SVS: add mt8192 SVS GPU driver .../bindings/soc/mediatek/mtk-svs.yaml | 89 + arch/arm64/boot/dts/mediatek/mt8183.dtsi | 18 + arch/arm64/boot/dts/mediatek/mt8192.dtsi | 34 + drivers/soc/mediatek/Kconfig | 10 + drivers/soc/mediatek/Makefile | 1 + drivers/soc/mediatek/mtk-svs.c | 2492 +++++++++++++++++ 6 files changed, 2644 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml create mode 100644 drivers/soc/mediatek/mtk-svs.c