[PATCH v2 09/11] power: bq25890: implement INPUT_CURRENT_LIMIT property
From: MichaÅ MirosÅaw
Date: Sun May 03 2020 - 11:21:32 EST
Report REG00.IINLIM value as INPUT_CURRENT_LIMIT property.
Signed-off-by: MichaÅ MirosÅaw <mirq-linux@xxxxxxxxxxxx>
---
drivers/power/supply/bq25890_charger.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c
index b48685009048..87c5832e23d3 100644
--- a/drivers/power/supply/bq25890_charger.c
+++ b/drivers/power/supply/bq25890_charger.c
@@ -254,6 +254,7 @@ enum bq25890_table_ids {
/* range tables */
TBL_ICHG,
TBL_ITERM,
+ TBL_IILIM,
TBL_VREG,
TBL_BOOSTV,
TBL_SYSVMIN,
@@ -294,6 +295,7 @@ static const union {
/* TODO: BQ25896 has max ICHG 3008 mA */
[TBL_ICHG] = { .rt = {0, 5056000, 64000} }, /* uA */
[TBL_ITERM] = { .rt = {64000, 1024000, 64000} }, /* uA */
+ [TBL_IILIM] = { .rt = {50000, 3200000, 50000} }, /* uA */
[TBL_VREG] = { .rt = {3840000, 4608000, 16000} }, /* uV */
[TBL_BOOSTV] = { .rt = {4550000, 5510000, 64000} }, /* uV */
[TBL_SYSVMIN] = { .rt = {3000000, 3700000, 100000} }, /* uV */
@@ -505,6 +507,14 @@ static int bq25890_power_supply_get_property(struct power_supply *psy,
val->intval = bq25890_find_val(bq->init_data.iterm, TBL_ITERM);
break;
+ case POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT:
+ ret = bq25890_field_read(bq, F_IILIM);
+ if (ret < 0)
+ return ret;
+
+ val->intval = bq25890_find_val(ret, TBL_IILIM);
+ break;
+
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
ret = bq25890_field_read(bq, F_SYSV); /* read measured value */
if (ret < 0)
@@ -695,6 +705,7 @@ static const enum power_supply_property bq25890_power_supply_props[] = {
POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE_MAX,
POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
};
--
2.20.1