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power: reset: add LTC2952 poweroff driver

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This adds a driver for the LTC2952, an external power control chip,
which signals the OS to shut down. Additionally this driver lets the
kernel power down the board.

Signed-off-by: René Moll <rene.moll@xsens.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
René Moll
2014-08-08 13:12:17 +00:00
committed by Sebastian Reichel
parent 7195c505c2
commit 6647156c00
3 changed files with 394 additions and 0 deletions
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7
drivers/power/reset/Kconfig
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@@ -51,6 +51,13 @@ config POWER_RESET_MSM
help
Power off and restart support for Qualcomm boards.
config POWER_RESET_LTC2952
bool "LTC2952 PowerPath power-off driver"
depends on OF_GPIO && POWER_RESET
help
This driver supports an external powerdown trigger and board power
down via the LTC2952. Bindings are made in the device tree.
config POWER_RESET_QNAP
bool "QNAP power-off driver"
depends on OF_GPIO && POWER_RESET && PLAT_ORION