linux-kernel - PM / AVS: SVS: Introduce SVS engine

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Message-ID: <20190430112012.4514-1-roger.lu@mediatek.com>
Date:   Tue, 30 Apr 2019 19:20:09 +0800
From:   Roger Lu <roger.lu@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>
CC:     Mark Rutland <mark.rutland@....com>, Nishanth Menon <nm@...com>,
        Kevin Hilman <khilman@...nel.org>,
        Roger Lu <roger.lu@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>
Subject: PM / AVS: SVS: Introduce SVS engine

The SVS (Smart Voltage Scaling) engine is a piece of hardware which is
used to calculate optimized voltage values of several power domains, e.g.
CPU/GPU/CCI, according to chip process corner, temperatures, and other
factors. Then DVFS driver could apply those optimized voltage values to
reduce power consumption.

Roger Lu (3):
  dt-bindings: soc: add mtk svs dt-bindings
  arm64: dts: mt8183: add svs device information
  PM / AVS: SVS: Introduce SVS engine

 .../devicetree/bindings/power/mtk-svs.txt     |   70 +
 arch/arm64/boot/dts/mediatek/mt8183-evb.dts   |   16 +
 arch/arm64/boot/dts/mediatek/mt8183.dtsi      |   46 +
 drivers/power/avs/Kconfig                     |   10 +
 drivers/power/avs/Makefile                    |    1 +
 drivers/power/avs/mtk_svs.c                   | 2084 +++++++++++++++++
 include/linux/power/mtk_svs.h                 |   23 +
 7 files changed, 2250 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/mtk-svs.txt
 create mode 100644 drivers/power/avs/mtk_svs.c
 create mode 100644 include/linux/power/mtk_svs.h

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2.18.0