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| author |   Sascha Hauer <s.hauer@pengutronix.de> | 2015-10-13 12:45:26 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2015-10-16 17:57:33 +0100 |
| commit | 5abe4f223ed6b820443d3657bd48600692f61c12 (patch) | |
| tree | 035cc572dd216cf0567c71ab632823ac330a302c | |
| parent | Linux 4.3-rc1 (diff) | |
| download | linux-dev-5abe4f223ed6b820443d3657bd48600692f61c12.tar.xz linux-dev-5abe4f223ed6b820443d3657bd48600692f61c12.zip | |
regulator: introduce min_dropout_uV
Many voltage Regulators need a input voltage that is higher than the
output voltage. Allow to specify a minimum dropout voltage which will
be used later to find the best input voltage for regulators.
[Changed uv to uV for consistency and legibility -- broonie]
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | include/linux/regulator/driver.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 45932228cbf5..9c2903e58adb 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -245,6 +245,7 @@ enum regulator_type { * @linear_min_sel: Minimal selector for starting linear mapping * @fixed_uV: Fixed voltage of rails. * @ramp_delay: Time to settle down after voltage change (unit: uV/us) + * @min_dropout_uV: The minimum dropout voltage this regulator can handle * @linear_ranges: A constant table of possible voltage ranges. * @n_linear_ranges: Number of entries in the @linear_ranges table. * @volt_table: Voltage mapping table (if table based mapping) @@ -292,6 +293,7 @@ struct regulator_desc { unsigned int linear_min_sel; int fixed_uV; unsigned int ramp_delay; + int min_dropout_uV; const struct regulator_linear_range *linear_ranges; int n_linear_ranges; |