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LPM wakeup sources updates#748

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kwillis01 wants to merge 5 commits into
TexasInstruments:masterfrom
kwillis01:v12.1/wakeup-srcs/lpm
Open

LPM wakeup sources updates#748
kwillis01 wants to merge 5 commits into
TexasInstruments:masterfrom
kwillis01:v12.1/wakeup-srcs/lpm

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@kwillis01

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Changes include:

  • Change RTC Only + DDR naming to RTC + I/O + DDR
  • Document how to read AM62L wakeup information
  • Add RTC I/O wakeup sources
  • Add WKUP I/O daisy chain wakeup sources
  • Combine MCU GPIO and WKUP GPIO sections

Update RTC Only + DDR naming to RTC + I/O + DDR as this is the most
current naming of this mode.

Signed-off-by: Kendall Willis <k-willis@ti.com>
As of SDK 12.01, the wakeup source, wakeup pin, and low power mode are
all reported as apart of the resume sequence. This allows users to
understand what the system did upon the last suspend and how the system
woke up. Document how to understand what the different values mean for
all of the wakeup information given.

Signed-off-by: Kendall Willis <k-willis@ti.com>
Explain how to configure and wakeup from RTC I/O pins.

Signed-off-by: Kendall Willis <k-willis@ti.com>
Explain how to configure and wakeup from WKUP I/O daisy chain.

Signed-off-by: Kendall Willis <k-willis@ti.com>
MCU GPIO and WKUP GPIO are both configured the same way. The only reason
WKUP GPIO was split from MCU GPIO was because AM62L does not MCU GPIO.
Combine the two sections and add a note to the AM62L portion that it
does not have MCU GPIO, but does support WKUP GPIO.

Signed-off-by: Kendall Willis <k-willis@ti.com>
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New warnings found with rstcheck:

source/linux/Foundational_Components/Power_Management/pm_wakeup_sources.rst:986: (INFO/1) Duplicate implicit target name: "wkup uart".

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9 participants