From: Thierry Reding <thierry.reding@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>
Cc: jonathanh@nvidia.com, tglx@linutronix.de, jason@lakedaemon.net,
marc.zyngier@arm.com, linus.walleij@linaro.org, stefan@agner.ch,
mark.rutland@arm.com, pdeschrijver@nvidia.com,
pgaikwad@nvidia.com, sboyd@kernel.org, linux-clk@vger.kernel.org,
linux-gpio@vger.kernel.org, jckuo@nvidia.com, josephl@nvidia.com,
talho@nvidia.com, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org, mperttunen@nvidia.com,
spatra@nvidia.com, robh+dt@kernel.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH V2 12/12] soc/tegra: pmc: configure tegra deep sleep control settings
Date: Wed, 29 May 2019 16:05:33 +0200 [thread overview]
Message-ID: <20190529140533.GC17679@ulmo> (raw)
In-Reply-To: <1559084936-4610-13-git-send-email-skomatineni@nvidia.com>
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On Tue, May 28, 2019 at 04:08:56PM -0700, Sowjanya Komatineni wrote:
> Tegra210 and prior Tegra chips have power request signal polarity,
> deep sleep entry and wake related timings which are platform specific
> that should be configured before entering into deep sleep.
>
> Below are the timings specific configurations for deep sleep and wake.
> - Core rail power-on stabilization timer
> - OSC clock stabilization timer after SOC rail power is stabilized.
> - Core power off time is the minimum wake delay to keep the system
> in deep sleep state irrespective of any quick wake event.
>
> These values depends on the discharge time of regulators and turn OFF
> time of the PMIC to allow the complete system to finish entering into
> deep sleep state.
>
> These values vary based on the platform design and are specified
> through the device tree.
>
> This patch has implementation to configure these configurations which
> are must to have for deep sleep state.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
> ---
> arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 7 +++++++
> drivers/soc/tegra/pmc.c | 18 ++++++++++++++++++
> 2 files changed, 25 insertions(+)
Please split up the DT and driver changes into separate patches.
Thierry
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next prev parent reply other threads:[~2019-05-29 14:05 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-28 23:08 [PATCH V2 00/12] LP0 entry and exit support for Tegra210 Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 01/12] irqchip: tegra: do not disable COP IRQ during suspend Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 14:21 ` Thierry Reding
2019-05-28 23:08 ` [PATCH V2 02/12] pinctrl: tegra: add suspend and resume support Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 15:29 ` Dmitry Osipenko
2019-05-29 18:14 ` Sowjanya Komatineni
2019-05-29 18:14 ` Sowjanya Komatineni
2019-05-29 19:32 ` Dmitry Osipenko
2019-05-29 19:32 ` Dmitry Osipenko
2019-05-29 20:11 ` Sowjanya Komatineni
2019-05-29 20:11 ` Sowjanya Komatineni
2019-05-29 20:47 ` Dmitry Osipenko
2019-05-29 20:56 ` Sowjanya Komatineni
2019-05-29 20:56 ` Sowjanya Komatineni
2019-05-29 21:07 ` Sowjanya Komatineni
2019-05-29 21:07 ` Sowjanya Komatineni
2019-05-29 21:25 ` Dmitry Osipenko
2019-05-29 21:27 ` Sowjanya Komatineni
2019-05-29 21:27 ` Sowjanya Komatineni
2019-05-29 21:33 ` Dmitry Osipenko
2019-05-28 23:08 ` [PATCH V2 03/12] clk: tegra: save and restore PLLs state for system Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 23:28 ` Stephen Boyd
2019-05-29 23:28 ` Stephen Boyd
2019-05-31 19:52 ` Sowjanya Komatineni
2019-05-31 19:52 ` Sowjanya Komatineni
2019-06-05 23:31 ` Stephen Boyd
2019-05-28 23:08 ` [PATCH V2 04/12] clk: tegra: add support for peripheral clock suspend and resume Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 23:30 ` Stephen Boyd
2019-05-29 23:30 ` Stephen Boyd
2019-05-31 19:55 ` Sowjanya Komatineni
2019-05-31 19:55 ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 05/12] clk: tegra: add support for OSC clock resume Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 06/12] clk: tegra: add suspend resume support for DFLL clock Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-06-04 12:41 ` Peter De Schrijver
2019-06-04 12:41 ` Peter De Schrijver
2019-05-28 23:08 ` [PATCH V2 07/12] clk: tegra: support for Tegra210 clocks suspend-resume Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-06-06 18:17 ` Stephen Boyd
2019-06-06 18:17 ` Stephen Boyd
2019-06-06 19:13 ` Sowjanya Komatineni
2019-06-06 19:13 ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 08/12] soc/tegra: pmc: allow support for more tegra wake models Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 14:30 ` Thierry Reding
2019-05-28 23:08 ` [PATCH V2 09/12] soc/tegra: pmc: add pmc wake support for tegra210 Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 5:42 ` JC Kuo
2019-05-29 5:42 ` JC Kuo
2019-05-29 13:52 ` Thierry Reding
2019-05-28 23:08 ` [PATCH V2 10/12] gpio: tegra: implement wake event support for Tegra210 and prior GPIO Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 14:03 ` Thierry Reding
2019-06-01 8:28 ` Sowjanya Komatineni
2019-06-01 8:28 ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 11/12] arm64: tegra: enable wake from deep sleep on RTC alarm Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-28 23:08 ` [PATCH V2 12/12] soc/tegra: pmc: configure tegra deep sleep control settings Sowjanya Komatineni
2019-05-28 23:08 ` Sowjanya Komatineni
2019-05-29 14:05 ` Thierry Reding [this message]
2019-05-29 14:12 ` [PATCH V2 00/12] LP0 entry and exit support for Tegra210 Thierry Reding
2019-06-04 13:47 ` Peter De Schrijver
2019-06-04 13:47 ` Peter De Schrijver
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