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power: regulator: qcom-rpmh-regulator: port over lineage_range helpers

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Import struct linear_range() and builder macro from Linux regulator
core.

Acked-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
This commit is contained in:
Caleb Connolly 2024-07-15 12:08:17 +02:00
parent 13bed6c903
commit 21c7b74a56
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1 changed files with 37 additions and 0 deletions
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37
drivers/power/regulator/qcom-rpmh-regulator.c
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@ -29,6 +29,13 @@ enum rpmh_regulator_type {
XOB,
};
enum rpmh_regulator_mode {
REGULATOR_MODE_RETENTION,
REGULATOR_MODE_LPM,
REGULATOR_MODE_AUTO,
REGULATOR_MODE_HPM,
};
#define RPMH_REGULATOR_REG_VRM_VOLTAGE 0x0
#define RPMH_REGULATOR_REG_ENABLE 0x4
#define RPMH_REGULATOR_REG_VRM_MODE 0x8
@ -61,6 +68,36 @@ enum rpmh_regulator_type {
#define PMIC5_BOB_MODE_AUTO 6
#define PMIC5_BOB_MODE_PWM 7
/**
* struct linear_range - table of selector - value pairs
*
* Define a lookup-table for range of values. Intended to help when looking
* for a register value matching certaing physical measure (like voltage).
* Usable when increment of one in register always results a constant increment
* of the physical measure (like voltage).
*
* @min: Lowest value in range
* @min_sel: Lowest selector for range
* @max_sel: Highest selector for range
* @step: Value step size
*/
struct linear_range {
unsigned int min;
unsigned int min_sel;
unsigned int max_sel;
unsigned int step;
};
/* Initialize struct linear_range for regulators */
#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \
{ \
.min = _min_uV, \
.min_sel = _min_sel, \
.max_sel = _max_sel, \
.step = _step_uV, \
}
/**
* struct rpmh_vreg_hw_data - RPMh regulator hardware configurations
* @regulator_type: RPMh accelerator type used to manage this