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Support a main battery power supply

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Add main battery power supply to support main battery
property read in multiple batteries products.

Change-Id: I73c89fc4795ad0ae299460ed616b7d07d5a66ca1
Signed-off-by: yanyh2 <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2189094
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
yanyh2 2022-02-11 20:02:29 +08:00 • committed by Yonghua Yan
commit 2093641e5d
1 changed files with 101 additions and 0 deletions
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101
drivers/power/qti_glink_charger/qti_glink_charger.c
View file

@ -199,6 +199,7 @@ struct qti_charger {
u32 rx_connected;
struct notifier_block wls_nb;
struct dentry *debug_root;
struct power_supply *batt_psy;
};
static struct qti_charger *this_chip = NULL;
@ -1744,6 +1745,90 @@ static void wireless_psy_deinit(struct qti_charger *chg)
chg->wls_psy = NULL;
}
/* Battery presence detection threshold on battery temperature */
#define BPD_TEMP_THRE -3000
static int battery_psy_get_prop(struct power_supply *psy,
enum power_supply_property prop,
union power_supply_propval *pval)
{
int rc;
struct battery_info info = {0};
struct qti_charger *chg = power_supply_get_drvdata(psy);
pval->intval = -ENODATA;
rc = qti_charger_read(chg, OEM_PROP_BATT_INFO, &info,
sizeof(struct battery_info));
if (rc)
return rc;
switch (prop) {
case POWER_SUPPLY_PROP_STATUS:
pval->intval = info.batt_status;
break;
case POWER_SUPPLY_PROP_PRESENT:
pval->intval = info.batt_temp > BPD_TEMP_THRE? 1 : 0;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
pval->intval = info.batt_uv;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
pval->intval = info.batt_ua;
break;
case POWER_SUPPLY_PROP_CAPACITY:
pval->intval = info.batt_soc / 100;
break;
case POWER_SUPPLY_PROP_TEMP:
pval->intval = info.batt_temp / 10;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL:
pval->intval = info.batt_full_uah;
break;
case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
pval->intval = info.batt_design_uah;
break;
default:
break;
}
return rc;
}
static int battery_psy_set_prop(struct power_supply *psy,
enum power_supply_property prop,
const union power_supply_propval *pval)
{
struct qti_charger *chg = power_supply_get_drvdata(psy);
switch (prop) {
default:
mmi_err(chg, "Not supported property: %d\n", prop);
return -EINVAL;
}
return 0;
}
static enum power_supply_property battery_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_TEMP,
POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
POWER_SUPPLY_PROP_CHARGE_FULL,
};
static const struct power_supply_desc batt_psy_desc = {
.name = "main_battery",
.type = POWER_SUPPLY_TYPE_MAINS,
.properties = battery_props,
.num_properties = ARRAY_SIZE(battery_props),
.get_property = battery_psy_get_prop,
.set_property = battery_psy_set_prop,
};
static int qti_charger_init(struct qti_charger *chg)
{
int rc;
@ -1781,6 +1866,22 @@ static int qti_charger_init(struct qti_charger *chg)
return rc;
}
if (of_property_read_bool(chg->dev->of_node,
"mmi,main-battery-enabled")) {
struct power_supply_config psy_cfg = {};
psy_cfg.drv_data = chg;
psy_cfg.of_node = chg->dev->of_node;
chg->batt_psy = devm_power_supply_register(chg->dev,
&batt_psy_desc,
&psy_cfg);
if (IS_ERR(chg->batt_psy)) {
rc = PTR_ERR(chg->batt_psy);
chg->batt_psy = NULL;
mmi_err(chg, "Failed to register main psy, rc=%d\n", rc);
return rc;
}
}
driver = devm_kzalloc(chg->dev,
sizeof(struct mmi_charger_driver),
GFP_KERNEL);