From patchwork Fri Oct 30 11:36:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 314717 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=-6.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, USER_AGENT_GIT autolearn=no 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 96CA4C4741F for ; Fri, 30 Oct 2020 11:37:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 480862076E for ; Fri, 30 Oct 2020 11:37:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726495AbgJ3Lhv (ORCPT ); Fri, 30 Oct 2020 07:37:51 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:58956 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726522AbgJ3Lgb (ORCPT ); Fri, 30 Oct 2020 07:36:31 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id B07EF1F45EBC From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Cc: matthias.bgg@gmail.com, drinkcat@chromium.org, hsinyi@chromium.org, Collabora Kernel ML , weiyi.lu@mediatek.com, fparent@baylibre.com, Joerg Roedel , Miles Chen , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v4 00/16] soc: mediatek: pm-domains: Add new driver for SCPSYS power domains controller Date: Fri, 30 Oct 2020 12:36:06 +0100 Message-Id: <20201030113622.201188-1-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Dear all, This is a new driver with the aim to deprecate the mtk-scpsys driver. The problem with that driver is that, in order to support more Mediatek SoCs you need to add some logic to handle properly the power-up sequence of newer Mediatek SoCs, doesn't handle parent-child power domains and need to hardcode all the clocks in the driver itself. The result is that the driver is getting bigger and bigger every time a new SoC needs to be supported. All this information can be getted from a properly defined binding, so can be cleaner and smaller, hence, we implemented a new driver. For now, only MT8173 and MT8183 is supported but should be fairly easy to add support for new SoCs. Three important notes: 1. This patch depends now on [1] to build correctly. 2. Support for MT8183 is not ready to land yet because has some dependencies, i.e mmsys support is still missing. 3. Support for MT8192. I picked the patches [2] from Weiyi Lu and adapted to this new series. I posted only for reference due that this new version has some changes that affects that patchset. Only patches from 1 to 9 are ready, the others are provided for reference and test. [1] https://lore.kernel.org/patchwork/patch/1328096/ [2] https://patchwork.kernel.org/project/linux-mediatek/list/?series=368821 Best regards, Enric Enric Balletbo i Serra (5): dt-bindings: power: Add bindings for the Mediatek SCPSYS power domains controller soc: mediatek: Add MediaTek SCPSYS power domains arm64: dts: mediatek: Add mt8173 power domain controller dt-bindings: power: Add MT8183 power domains arm64: dts: mediatek: Add smi_common node for MT8183 Matthias Brugger (8): soc: mediatek: pm-domains: Add bus protection protocol soc: mediatek: pm_domains: Make bus protection generic soc: mediatek: pm-domains: Add SMI block as bus protection block soc: mediatek: pm-domains: Add extra sram control soc: mediatek: pm-domains: Add subsystem clocks soc: mediatek: pm-domains: Allow bus protection to ignore clear ack soc: mediatek: pm-domains: Add support for mt8183 arm64: dts: mediatek: Add mt8183 power domains controller Weiyi Lu (3): dt-bindings: power: Add MT8192 power domains soc: mediatek: pm-domains: Add default power off flag soc: mediatek: pm-domains: Add support for mt8192 .../power/mediatek,power-controller.yaml | 293 +++++++++ arch/arm64/boot/dts/mediatek/mt8173.dtsi | 164 +++-- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 172 +++++ drivers/soc/mediatek/Kconfig | 12 + drivers/soc/mediatek/Makefile | 1 + drivers/soc/mediatek/mt8173-pm-domains.h | 94 +++ drivers/soc/mediatek/mt8183-pm-domains.h | 221 +++++++ drivers/soc/mediatek/mt8192-pm-domains.h | 292 +++++++++ drivers/soc/mediatek/mtk-infracfg.c | 5 - drivers/soc/mediatek/mtk-pm-domains.c | 614 ++++++++++++++++++ drivers/soc/mediatek/mtk-pm-domains.h | 102 +++ include/dt-bindings/power/mt8183-power.h | 26 + include/dt-bindings/power/mt8192-power.h | 32 + include/linux/soc/mediatek/infracfg.h | 107 +++ 14 files changed, 2081 insertions(+), 54 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/mediatek,power-controller.yaml create mode 100644 drivers/soc/mediatek/mt8173-pm-domains.h create mode 100644 drivers/soc/mediatek/mt8183-pm-domains.h create mode 100644 drivers/soc/mediatek/mt8192-pm-domains.h create mode 100644 drivers/soc/mediatek/mtk-pm-domains.c create mode 100644 drivers/soc/mediatek/mtk-pm-domains.h create mode 100644 include/dt-bindings/power/mt8183-power.h create mode 100644 include/dt-bindings/power/mt8192-power.h Acked-by: Rob Herring