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regulator: documentation - regulator driver

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This adds documentation describing the regulator driver interface.

Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
This commit is contained in:
Liam Girdwood 2008-04-30 17:20:11 +01:00
parent 6392776d26
commit e8695ebe55
1 changed files with 30 additions and 0 deletions
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Documentation/power/regulator/regulator.txt Normal file
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Regulator Driver Interface
==========================
The regulator driver interface is relatively simple and designed to allow
regulator drivers to register their services with the core framework.
Registration
============
Drivers can register a regulator by calling :-
struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
void *reg_data);
This will register the regulators capabilities and operations the regulator
core. The core does not touch reg_data (private to regulator driver).
Regulators can be unregistered by calling :-
void regulator_unregister(struct regulator_dev *rdev);
Regulator Events
================
Regulators can send events (e.g. over temp, under voltage, etc) to consumer
drivers by calling :-
int regulator_notifier_call_chain(struct regulator_dev *rdev,
unsigned long event, void *data);