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dt: power: Add docs for generic SYSCON poweroff driver.

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Add documentation for generic SYSCON poweroff driver.

Signed-off-by: Moritz Fischer <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
This commit is contained in:
Moritz Fischer 2015-03-11 17:37:19 -07:00 • committed by Sebastian Reichel
commit 0db739fa06
1 changed files with 23 additions and 0 deletions
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Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt Normal file
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Generic SYSCON mapped register poweroff driver
This is a generic poweroff driver using syscon to map the poweroff register.
The poweroff is generally performed with a write to the poweroff register
defined by the register map pointed by syscon reference plus the offset
with the mask defined in the poweroff node.
Required properties:
- compatible: should contain "syscon-poweroff"
- regmap: this is phandle to the register map node
- offset: offset in the register map for the poweroff register (in bytes)
- mask: the poweroff value written to the poweroff register (32 bit access)
Default will be little endian mode, 32 bit access only.
Examples:
poweroff {
compatible = "syscon-poweroff";
regmap = <&regmapnode>;
offset = <0x0>;
mask = <0x7a>;
};