diff options
author | johnwc_yeh <johnwc_yeh@compal.corp-partner.google.com> | 2023-01-19 11:25:17 +0800 |
---|---|---|
committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2023-01-30 02:25:55 +0000 |
commit | c9f629f5473363d01e8afd5d4825a9b27e961ae0 (patch) | |
tree | f17476aaeda1e7c3c265ff3f2c8bd96d18e23e06 /driver/charger | |
parent | 221c98d97cbb199b4865ae7339ff80b7c8aae8fb (diff) | |
download | chrome-ec-c9f629f5473363d01e8afd5d4825a9b27e961ae0.tar.gz |
charger/isl9238c: Add BUCK_PHASE_VOLTAGE config
Adjusts the phase comparator threshold offset for forward buck
and buck-boost.
LOW_COVERAGE_REASON=No isl9238c emulator
BUG=b:265862821
BRANCH=none
TEST=fix charger stuck in CCM problem and S5 power consumption
can meet < 0.5W criteria.
Change-Id: Idc10c266e97c104f221eabc51b28c6c243ce17be
Signed-off-by: johnwc_yeh <johnwc_yeh@compal.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4179434
Reviewed-by: Diana Z <dzigterman@chromium.org>
Diffstat (limited to 'driver/charger')
-rw-r--r-- | driver/charger/isl923x.c | 4 | ||||
-rw-r--r-- | driver/charger/isl923x.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/driver/charger/isl923x.c b/driver/charger/isl923x.c index e2838810f1..24e9e488a5 100644 --- a/driver/charger/isl923x.c +++ b/driver/charger/isl923x.c @@ -711,6 +711,10 @@ static void isl923x_init(int chgnum) goto init_fail; reg |= ISL923X_C0_ENABLE_BUCK; + /* Adjusts phase comparator threshold offset */ + reg &= ~ISL923X_C0_BUCK_PHASE_MASK; + reg |= CONFIG_ISL9238C_BUCK_PHASE_VOLTAGE + << ISL923X_C0_BUCK_PHASE_SHIFT; if (raw_write16(chgnum, ISL923X_REG_CONTROL0, reg)) goto init_fail; diff --git a/driver/charger/isl923x.h b/driver/charger/isl923x.h index cec8f43fd3..251d62dc99 100644 --- a/driver/charger/isl923x.h +++ b/driver/charger/isl923x.h @@ -107,6 +107,10 @@ #define ISL923X_C0_DCHOT_3A (3 << 3) #define ISL923X_C0_DCHOT_MASK (3 << 3) +/* Control0: adjusts phase comparator threshold offset for forward buck */ +#define ISL923X_C0_BUCK_PHASE_MASK GENMASK(15, 13) +#define ISL923X_C0_BUCK_PHASE_SHIFT 13 + /* Control0: BGATE force on */ #define RAA489000_C0_BGATE_FORCE_ON BIT(10) #define RAA489000_C0_EN_CHG_PUMPS_TO_100PCT BIT(6) |