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| author | Mark Brown <broonie@kernel.org> | 2024-02-25 14:59:33 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-02-26 13:46:54 +0000 |
| commit | 6df0921e9013622091c283aa2a5be8c5d1ca3642 (patch) | |
| tree | 29b2dc422b8fe27f6f7a3bdba80d89f88aca68a4 /drivers/regulator | |
| parent | 4317ecadbeeab5464a8c34b27b73e2d2f81ef718 (diff) | |
| download | linux-6df0921e9013622091c283aa2a5be8c5d1ca3642.tar.gz | |
regulator: mp8859: Report slew rate
The MP8859 implements voltage changes at the rate of 1mV/us, tell the core
about this so that it can provide appropriate delays on voltage changes.
Tested-by: Markus Reichl <m.reichl@fivetechno.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://msgid.link/r/20240225-regulator-mp8859-v1-7-68ee2c839ded@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/mp8859.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/regulator/mp8859.c b/drivers/regulator/mp8859.c index fc1636d69bca95..3e849e1a172fc3 100644 --- a/drivers/regulator/mp8859.c +++ b/drivers/regulator/mp8859.c @@ -81,6 +81,20 @@ static int mp8859_get_voltage_sel(struct regulator_dev *rdev) return val; } +static int mp8859_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int from, unsigned int to) +{ + int change; + + /* The voltage ramps at 1mV/uS, selectors are 10mV */ + if (from > to) + change = from - to; + else + change = to - from; + + return change * 10 * 1000; +} + static unsigned int mp8859_get_mode(struct regulator_dev *rdev) { unsigned int val; @@ -220,6 +234,7 @@ static const struct regulator_ops mp8859_ops = { .set_voltage_sel = mp8859_set_voltage_sel, .get_voltage_sel = mp8859_get_voltage_sel, .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_time_sel = mp8859_set_voltage_time_sel, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, |