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Mon, 17 May 2021 22:18:51 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 18 May 2021 13:18:49 +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; Tue, 18 May 2021 13:18:49 +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 , , , , , , , Guenter Roeck Subject: [PATCH v17 0/7] soc: mediatek: SVS: introduce MTK SVS Date: Tue, 18 May 2021 13:18:41 +0800 Message-ID: <20210518051848.22170-1-roger.lu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210517_221900_158347_1D3E76BB X-CRM114-Status: GOOD ( 10.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 calls 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 v16: - Specify IRQF_ONESHOT directly when requesting the interrupt (because it is always needed, no matter which SOC) Roger Lu (7): [v17,1/7] dt-bindings: soc: mediatek: add mtk svs dt-bindings [v17,2/7] arm64: dts: mt8183: add svs device information [v17,3/7] soc: mediatek: SVS: introduce MTK SVS engine [v17,4/7] soc: mediatek: SVS: add debug commands [v17,5/7] dt-bindings: soc: mediatek: add mt8192 svs dt-bindings [v17,6/7] arm64: dts: mt8192: add svs device information [v17,7/7] soc: mediatek: SVS: add mt8192 SVS GPU driver .../bindings/soc/mediatek/mtk-svs.yaml | 92 + 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 | 2525 +++++++++++++++++ 6 files changed, 2680 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml create mode 100644 drivers/soc/mediatek/mtk-svs.c