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regulator:support always on

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when add always on desc,the regulator is always enabled

Signed-off-by: dulibo1 <dulibo1@xiaomi.com>
This commit is contained in:
dulibo1
2023-07-13 20:47:13 +08:00
committed by Xiang Xiao
parent 5890fde1ed
commit 67aa12e762
2 changed files with 11 additions and 3 deletions
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drivers/power/supply/regulator.c
+10 -3
View File
@@ -521,6 +521,11 @@ int regulator_is_enabled(FAR struct regulator_s *regulator)
rdev = regulator->rdev; rdev = regulator->rdev;
if (rdev->desc->always_on)
{
return 1;
}
nxmutex_lock(&rdev->regulator_lock); nxmutex_lock(&rdev->regulator_lock);
ret = _regulator_is_enabled(rdev); ret = _regulator_is_enabled(rdev);
nxmutex_unlock(&rdev->regulator_lock); nxmutex_unlock(&rdev->regulator_lock);
@@ -634,7 +639,7 @@ int regulator_disable(FAR struct regulator_s *regulator)
goto err; goto err;
} }
if (rdev->use_count == 1) if (rdev->use_count == 1 && !rdev->desc->always_on)
{ {
ret = _regulator_do_disable(rdev); ret = _regulator_do_disable(rdev);
if (ret < 0) if (ret < 0)
@@ -813,11 +818,13 @@ regulator_register(FAR const struct regulator_desc_s *regulator_desc,
list_initialize(&rdev->consumer_list); list_initialize(&rdev->consumer_list);
list_initialize(&rdev->list); list_initialize(&rdev->list);
if (rdev->desc->boot_on && !_regulator_is_enabled(rdev)) if ((rdev->desc->boot_on || rdev->desc->always_on)
&& !_regulator_is_enabled(rdev))
{ {
_regulator_do_enable(rdev); _regulator_do_enable(rdev);
} }
else if (!rdev->desc->boot_on && _regulator_is_enabled(rdev)) else if (!rdev->desc->boot_on && !rdev->desc->always_on
&& _regulator_is_enabled(rdev))
{ {
_regulator_do_disable(rdev); _regulator_do_disable(rdev);
} }
include/nuttx/power/regulator.h
+1
View File
@@ -97,6 +97,7 @@ struct regulator_desc_s
unsigned int boot_on; /* true if this regulator is to be enabled unsigned int boot_on; /* true if this regulator is to be enabled
* at power up/reset * at power up/reset
*/ */
unsigned int always_on;
}; };
struct regulator_dev_s struct regulator_dev_s