Messages in this thread | | | Date | Wed, 29 May 2019 16:05:33 +0200 | From | Thierry Reding <> | Subject | Re: [PATCH V2 12/12] soc/tegra: pmc: configure tegra deep sleep control settings |
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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 [unhandled content-type:application/pgp-signature] | |