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author | Andrei.Stefanescu@microchip.com <Andrei.Stefanescu@microchip.com> | 2018-11-13 14:47:33 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2018-11-13 09:28:49 -0800 |
commit | 5279e96ff8033500b6008be5925ae2d20f42c434 (patch) | |
tree | 369052a70554849e2cd3021574c1166abcb78488 | |
parent | fa2bb8b97d77b4b91658e448e7701d6a432e5b6f (diff) | |
download | linux-5279e96ff8033500b6008be5925ae2d20f42c434.tar.bz2 |
regulator: dt-bindings: add regulator-state-standby bindings
For state-mem and state-disk regulators can have
various parameters applied such as enabled/disabled,
current mode, voltage etc.
This patch adds documentation on how to set these parameters
in the device tree for the standby state.
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/regulator/regulator.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index a7cd36877bfe..ca96f70bd2de 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -33,13 +33,16 @@ Optional properties: decreases of any level. This is useful for regulators with exponential voltage changes. - regulator-soft-start: Enable soft start so that voltage ramps slowly +- regulator-state-standby sub-root node for Standby mode + : equivalent with standby Linux sleep state, which provides energy savings + with a relatively quick transition back time. - regulator-state-mem sub-root node for Suspend-to-RAM mode : suspend to memory, the device goes to sleep, but all data stored in memory, only some external interrupt can wake the device. - regulator-state-disk sub-root node for Suspend-to-DISK mode : suspend to disk, this state operates similarly to Suspend-to-RAM, but includes a final step of writing memory contents to disk. -- regulator-state-[mem/disk] node has following common properties: +- regulator-state-[mem/disk/standby] node has following common properties: - regulator-on-in-suspend: regulator should be on in suspend state. - regulator-off-in-suspend: regulator should be off in suspend state. - regulator-suspend-min-microvolt: minimum voltage may be set in |