regulator: core: Change the unit of ramp_delay from mV/uS to uV/uS
This change makes it possible to set ramp_delay with 0.xxx mV/uS without truncation issue. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -10,7 +10,7 @@ Optional properties:
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- regulator-always-on: boolean, regulator should never be disabled
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- regulator-boot-on: bootloader/firmware enabled regulator
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- <name>-supply: phandle to the parent supply/regulator node
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- regulator-ramp-delay: ramp delay for regulator(in mV/uS)
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- regulator-ramp-delay: ramp delay for regulator(in uV/uS)
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Example:
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@ -2319,11 +2319,11 @@ int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
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if (rdev->desc->uV_step) {
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return DIV_ROUND_UP(rdev->desc->uV_step *
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abs(new_selector - old_selector),
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ramp_delay * 1000);
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ramp_delay);
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} else if (rdev->desc->volt_table) {
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return DIV_ROUND_UP(abs(rdev->desc->volt_table[new_selector] -
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rdev->desc->volt_table[old_selector]),
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ramp_delay * 1000);
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ramp_delay);
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} else {
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rdev_warn(rdev, "Unsupported voltage mapping settings\n");
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}
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@ -173,7 +173,7 @@ enum regulator_type {
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*
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* @min_uV: Voltage given by the lowest selector (if linear mapping)
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* @uV_step: Voltage increase with each selector (if linear mapping)
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* @ramp_delay: Time to settle down after voltage change (unit: mV/us)
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* @ramp_delay: Time to settle down after voltage change (unit: uV/us)
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* @volt_table: Voltage mapping table (if table based mapping)
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*
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* @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
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@ -92,7 +92,7 @@ struct regulator_state {
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* mode.
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* @initial_state: Suspend state to set by default.
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* @initial_mode: Mode to set at startup.
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* @ramp_delay: Time to settle down after voltage change (unit: mV/us)
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* @ramp_delay: Time to settle down after voltage change (unit: uV/us)
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*/
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struct regulation_constraints {
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