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Use new API for power-off mode support:
Link: https://lwn.net/Articles/894511/
Link: https://lore.kernel.org/all/7hfseqa7l0.fsf@baylibre.com/
sys-off API allows support of shutdown handler and restart handler.
Shutdown was not supported before that enhancement.
This is required for platform that are not using PSCI.
Test:
- restart:
# reboot
Default is cold reset:
# cat /sys/kernel/reboot/mode
Switch boot mode to warm reset:
# echo warm > /sys/kernel/reboot/mode
- power-off:
# halt
Tested on AM62-LP-SK board.
Signed-off-by: Jerome Neanne <jneanne@baylibre.com>
Suggested-by: Andrew Davis <afd@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230608071947.3467751-1-jneanne@baylibre.com
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TPS65219 PMIC GPIOs are exposed in a standard way:
gpiodetect
gpiochip0 [tps65219-gpio] (3 lines)
tps65219-gpios is incorrect cell name (plural). Changed to
tps65219-gpio (singular)
Co-developed-by: Jonathan Cormier <jcormier@criticallink.com>
Signed-off-by: Jonathan Cormier <jcormier@criticallink.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jerome Neanne <jneanne@baylibre.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230511-tps65219-add-gpio-support-v5-2-ebb94281c854@baylibre.com
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After commit b8a1a4cd5a98 ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498b5 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230515182752.10050-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Lee Jones <lee@kernel.org>
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The TPS65219 is a power management IC PMIC designed to supply a wide
range of SoCs in both portable and stationary applications. Any SoC can
control TPS65219 over a standard I2C interface.
It contains the following components:
- Regulators.
- Over Temperature warning and Shut down.
- GPIOs
- Multi Function Pins (MFP)
- power-button
This patch adds support for tps65219 PMIC. At this time only
the functionalities listed below are made available:
- Regulators probe and functionalities
- warm and cold reset support
- SW shutdown support
- Regulator warnings via IRQs
- Power-button via IRQ
Signed-off-by: Jerome Neanne <jneanne@baylibre.com>
Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221104152311.1098603-5-jneanne@baylibre.com
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