From mboxrd@z Thu Jan 1 00:00:00 1970 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 3A9E3C47420 for ; Thu, 1 Oct 2020 16:02:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00722208B6 for ; Thu, 1 Oct 2020 16:02:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732702AbgJAQCE (ORCPT ); Thu, 1 Oct 2020 12:02:04 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:38536 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732213AbgJAQCD (ORCPT ); Thu, 1 Oct 2020 12:02:03 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 910D529D755 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Cc: Collabora Kernel ML , fparent@baylibre.com, matthias.bgg@gmail.com, drinkcat@chromium.org, hsinyi@chromium.org, weiyi.lu@mediatek.com, Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 00/12] soc: mediatek: pm-domains: Add new driver for SCPSYS power domains controller Date: Thu, 1 Oct 2020 18:01:42 +0200 Message-Id: <20201001160154.3587848-1-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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. Note that the MT8183 support is not ready to land yet because has some dependencies, i.e. mmsys support is still missing. So, only patches from 1 to 9 are ready, the others are provided for reference and test. Best regards, Enric Enric Balletbo i Serra (4): 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 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 .../power/mediatek,power-controller.yaml | 184 +++ arch/arm64/boot/dts/mediatek/mt8173.dtsi | 164 ++- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 162 +++ drivers/soc/mediatek/Kconfig | 13 + drivers/soc/mediatek/Makefile | 1 + drivers/soc/mediatek/mtk-infracfg.c | 5 - drivers/soc/mediatek/mtk-mmsys.c | 4 - drivers/soc/mediatek/mtk-pm-domains.c | 1019 +++++++++++++++++ include/dt-bindings/power/mt8183-power.h | 26 + include/linux/soc/mediatek/infracfg.h | 57 + 10 files changed, 1577 insertions(+), 58 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/mediatek,power-controller.yaml create mode 100644 drivers/soc/mediatek/mtk-pm-domains.c create mode 100644 include/dt-bindings/power/mt8183-power.h -- 2.28.0