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| author |   Kory Maincent <kory.maincent@bootlin.com> | 2025-01-15 15:41:57 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2025-01-17 17:48:54 +0000 |
| commit | 42d7c87b4e1251f36eceac987e74623e7cda8577 (patch) | |
| tree | d438d89f6edc45a9844c7cab351e47dd489663b4 /include/linux | |
| parent | regulator: core: Resolve supply using of_node from regulator_config (diff) | |
| download | wireguard-linux-42d7c87b4e1251f36eceac987e74623e7cda8577.tar.xz wireguard-linux-42d7c87b4e1251f36eceac987e74623e7cda8577.zip | |
regulator: Add support for power budget
Introduce power budget management for the regulator device. Enable tracking
of available power capacity by providing helpers to request and release
power budget allocations.
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20250115-feature_regulator_pw_budget-v2-1-0a44b949e6bc@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/regulator/consumer.h | 21 | ||||
| -rw-r--r-- | include/linux/regulator/driver.h | 2 | ||||
| -rw-r--r-- | include/linux/regulator/machine.h | 2 |
3 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 8c3c372ad735..8d1a6eca7eb9 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -258,6 +258,11 @@ int regulator_sync_voltage(struct regulator *regulator); int regulator_set_current_limit(struct regulator *regulator, int min_uA, int max_uA); int regulator_get_current_limit(struct regulator *regulator); +int regulator_get_unclaimed_power_budget(struct regulator *regulator); +int regulator_request_power_budget(struct regulator *regulator, + unsigned int pw_req); +void regulator_free_power_budget(struct regulator *regulator, + unsigned int pw); int regulator_set_mode(struct regulator *regulator, unsigned int mode); unsigned int regulator_get_mode(struct regulator *regulator); @@ -571,6 +576,22 @@ static inline int regulator_get_current_limit(struct regulator *regulator) return 0; } +static inline int regulator_get_unclaimed_power_budget(struct regulator *regulator) +{ + return INT_MAX; +} + +static inline int regulator_request_power_budget(struct regulator *regulator, + unsigned int pw_req) +{ + return -EOPNOTSUPP; +} + +static inline void regulator_free_power_budget(struct regulator *regulator, + unsigned int pw) +{ +} + static inline int regulator_set_mode(struct regulator *regulator, unsigned int mode) { diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 5b66caf1695d..4a216fdba354 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -656,6 +656,8 @@ struct regulator_dev { int cached_err; bool use_cached_err; spinlock_t err_lock; + + int pw_requested_mW; }; /* diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index b3db09a7429b..1fc440c5c4c7 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -113,6 +113,7 @@ struct notification_limit { * @min_uA: Smallest current consumers may set. * @max_uA: Largest current consumers may set. * @ilim_uA: Maximum input current. + * @pw_budget_mW: Power budget for the regulator in mW. * @system_load: Load that isn't captured by any consumer requests. * * @over_curr_limits: Limits for acting on over current. @@ -185,6 +186,7 @@ struct regulation_constraints { int max_uA; int ilim_uA; + int pw_budget_mW; int system_load; /* used for coupled regulators */ |