linux-kernel - [PATCH V2 00/12] LP0 entry and exit support for Tegra210

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Message-ID: <1559084936-4610-1-git-send-email-skomatineni@nvidia.com>
Date:   Tue, 28 May 2019 16:08:44 -0700
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <tglx@...utronix.de>, <jason@...edaemon.net>,
        <marc.zyngier@....com>, <linus.walleij@...aro.org>,
        <stefan@...er.ch>, <mark.rutland@....com>
CC:     <pdeschrijver@...dia.com>, <pgaikwad@...dia.com>,
        <sboyd@...nel.org>, <linux-clk@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>, <jckuo@...dia.com>,
        <josephl@...dia.com>, <talho@...dia.com>, <skomatineni@...dia.com>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <mperttunen@...dia.com>, <spatra@...dia.com>, <robh+dt@...nel.org>,
        <devicetree@...r.kernel.org>
Subject: [PATCH V2 00/12] LP0 entry and exit support for Tegra210

This patch series includes Tegra210 deepsleep/LP0 support with
deep sleep exit through RTC alarm wake and power button wake events.

Note: Wake on power button is through gpio-keys node in device tree.

This series also includes save and restore of PLLs, clocks, OSC contexts
for basic LP0 exit.

This patch series doesn't support 100% suspend/resume to allow fully
functional state upon resume and we are working on some more drivers suspend
and resume implementations.

[V2] : V1 feedback fixes
	Patch 0002: This version still using syscore. Thierry suggest not to
	use syscore and waiting on suggestion from Linux Walleij for any better
	way of storing current state of pins before suspend entry and restoring
	them on resume at very early stage. So left this the same way as V1 and
	will address once I get more feedback on this.
	Also need to findout and implement proper way of forcing resume order
	between pinctrl and gpio driver.

Sowjanya Komatineni (12):
  irqchip: tegra: do not disable COP IRQ during suspend
  pinctrl: tegra: add suspend and resume support
  clk: tegra: save and restore PLLs state for system
  clk: tegra: add support for peripheral clock suspend and resume
  clk: tegra: add support for OSC clock resume
  clk: tegra: add suspend resume support for DFLL clock
  clk: tegra: support for Tegra210 clocks suspend-resume
  soc/tegra: pmc: allow support for more tegra wake models
  soc/tegra: pmc: add pmc wake support for tegra210
  gpio: tegra: implement wake event support for Tegra210 and prior GPIO
  arm64: tegra: enable wake from deep sleep on RTC alarm.
  soc/tegra: pmc: configure tegra deep sleep control settings

 arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi |   7 +
 arch/arm64/boot/dts/nvidia/tegra210.dtsi       |   5 +-
 drivers/clk/tegra/clk-dfll.c                   |  82 ++++++
 drivers/clk/tegra/clk-dfll.h                   |   2 +
 drivers/clk/tegra/clk-divider.c                |  19 ++
 drivers/clk/tegra/clk-pll-out.c                |  25 ++
 drivers/clk/tegra/clk-pll.c                    |  99 +++++--
 drivers/clk/tegra/clk-tegra-fixed.c            |  16 ++
 drivers/clk/tegra/clk-tegra210.c               | 382 +++++++++++++++++++++++++
 drivers/clk/tegra/clk.c                        |  74 ++++-
 drivers/clk/tegra/clk.h                        |  13 +
 drivers/gpio/gpio-tegra.c                      | 116 +++++++-
 drivers/irqchip/irq-tegra.c                    |  22 +-
 drivers/pinctrl/tegra/pinctrl-tegra.c          |  68 ++++-
 drivers/pinctrl/tegra/pinctrl-tegra.h          |   3 +
 drivers/pinctrl/tegra/pinctrl-tegra114.c       |   1 +
 drivers/pinctrl/tegra/pinctrl-tegra124.c       |   1 +
 drivers/pinctrl/tegra/pinctrl-tegra20.c        |   1 +
 drivers/pinctrl/tegra/pinctrl-tegra210.c       |   1 +
 drivers/pinctrl/tegra/pinctrl-tegra30.c        |   1 +
 drivers/soc/tegra/pmc.c                        | 150 +++++++++-
 21 files changed, 1053 insertions(+), 35 deletions(-)

-- 
2.7.4