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regulator: rtq2208: Fix the BUCK ramp_delay range to maximum of 16mVstep/us

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The maximum ramp up and down range of BUCK are shorten
from 64mVstep/us to 16mVstep/us.
Therefore, the RTQ2208_RAMP_VALUE_MAX_uV is modified
to 16000uV in this version.

Signed-off-by: Alina Yu <alina_yu@richtek.com>
Link: https://lore.kernel.org/r/1777b18c0faa1f6b7196630e679a03362686c301.1714467553.git.alina_yu@richtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Alina Yu 2024-04-30 17:58:27 +08:00 committed by Mark Brown
parent ff33132605
commit d1ef160b45
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GPG key ID: 24D68B725D5487D0
1 changed files with 3 additions and 4 deletions
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7
drivers/regulator/rtq2208-regulator.c
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@ -48,7 +48,7 @@
/* Value */
#define RTQ2208_RAMP_VALUE_MIN_uV 500
#define RTQ2208_RAMP_VALUE_MAX_uV 64000
#define RTQ2208_RAMP_VALUE_MAX_uV 16000
#define RTQ2208_BUCK_MASK(uv_irq, ov_irq) (1 << ((uv_irq) % 8) | 1 << ((ov_irq) % 8))
@ -142,12 +142,11 @@ static int rtq2208_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
* Because the relation of seleltion and value is like that
*
* seletion: value
* 000: 64mv
* 001: 32mv
* 010: 16mv
* ...
* 111: 0.5mv
*
* For example, if I would like to select 64mv, the fls(ramp_delay) - 1 will be 0b111,
* For example, if I would like to select 16mv, the fls(ramp_delay) - 1 will be 0b010,
* and I need to use 0b111 - sel to do the shifting
*/