Unverified Commit d1ef160b authored by Alina Yu's avatar Alina Yu Committed by Mark Brown
Browse files

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



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: default avatarAlina Yu <alina_yu@richtek.com>
Link: https://lore.kernel.org/r/1777b18c0faa1f6b7196630e679a03362686c301.1714467553.git.alina_yu@richtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ff331326

drivers/regulator/rtq2208-regulator.c

+3 −4
Original line number Diff line number Diff line
@@ -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

	 */