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authorAlina Yu <alina_yu@richtek.com>2024-04-30 17:58:27 +0800
committerMark Brown <broonie@kernel.org>2024-05-01 23:11:37 +0900
commitd1ef160b45a0010d1f1b3d601230457243a8f3e8 (patch)
tree18f3d3f419a42148ce4ce8792f59715ac25b281d /drivers/regulator
parentff33132605c1a0acea59e4c523cb7c6fabe856b2 (diff)
downloadlinux-d1ef160b45a0010d1f1b3d601230457243a8f3e8.tar.gz
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: 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>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/rtq2208-regulator.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/regulator/rtq2208-regulator.c b/drivers/regulator/rtq2208-regulator.c
index 2d54844c4226bc..3079de41ef3f6e 100644
--- a/drivers/regulator/rtq2208-regulator.c
+++ b/drivers/regulator/rtq2208-regulator.c
@@ -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
*/