tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+15
+15
drivers/regulator/mp8859.c
+15
drivers/regulator/mp8859.c
···
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81
return val;
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82
}
83
83
84
+
static int mp8859_set_voltage_time_sel(struct regulator_dev *rdev,
85
+
unsigned int from, unsigned int to)
86
+
{
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int change;
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+
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/* The voltage ramps at 1mV/uS, selectors are 10mV */
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if (from > to)
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change = from - to;
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else
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change = to - from;
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+
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return change * 10 * 1000;
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+
}
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+
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static unsigned int mp8859_get_mode(struct regulator_dev *rdev)
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{
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unsigned int val;
···
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220
.set_voltage_sel = mp8859_set_voltage_sel,
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.get_voltage_sel = mp8859_get_voltage_sel,
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.list_voltage = regulator_list_voltage_linear_range,
223
+
.set_voltage_time_sel = mp8859_set_voltage_time_sel,
237
224
.enable = regulator_enable_regmap,
238
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,