summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/power/qcom-charger/qpnp-smb2.c105
-rw-r--r--drivers/power/qcom-charger/smb-lib.c70
-rw-r--r--drivers/power/qcom-charger/smb-lib.h10
-rw-r--r--drivers/power/qcom-charger/smb-reg.h3
4 files changed, 188 insertions, 0 deletions
diff --git a/drivers/power/qcom-charger/qpnp-smb2.c b/drivers/power/qcom-charger/qpnp-smb2.c
index 19e78afe2a48..6fc290062f99 100644
--- a/drivers/power/qcom-charger/qpnp-smb2.c
+++ b/drivers/power/qcom-charger/qpnp-smb2.c
@@ -369,6 +369,105 @@ static int smb2_init_usb_psy(struct smb2 *chip)
}
/*************************
+ * DC PSY REGISTRATION *
+ *************************/
+
+static enum power_supply_property smb2_dc_props[] = {
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+};
+
+static int smb2_dc_get_prop(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct smb2 *chip = power_supply_get_drvdata(psy);
+ struct smb_charger *chg = &chip->chg;
+ int rc = 0;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_PRESENT:
+ rc = smblib_get_prop_dc_present(chg, val);
+ break;
+ case POWER_SUPPLY_PROP_ONLINE:
+ rc = smblib_get_prop_dc_online(chg, val);
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ rc = smblib_get_prop_dc_current_max(chg, val);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return rc;
+}
+
+static int smb2_dc_set_prop(struct power_supply *psy,
+ enum power_supply_property psp,
+ const union power_supply_propval *val)
+{
+ struct smb2 *chip = power_supply_get_drvdata(psy);
+ struct smb_charger *chg = &chip->chg;
+ int rc = 0;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ rc = smblib_set_prop_dc_current_max(chg, val);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return rc;
+}
+
+static int smb2_dc_prop_is_writeable(struct power_supply *psy,
+ enum power_supply_property psp)
+{
+ int rc;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ rc = 1;
+ break;
+ default:
+ rc = 0;
+ break;
+ }
+
+ return rc;
+}
+
+static const struct power_supply_desc dc_psy_desc = {
+ .name = "dc",
+ .type = POWER_SUPPLY_TYPE_WIPOWER,
+ .properties = smb2_dc_props,
+ .num_properties = ARRAY_SIZE(smb2_dc_props),
+ .get_property = smb2_dc_get_prop,
+ .set_property = smb2_dc_set_prop,
+ .property_is_writeable = smb2_dc_prop_is_writeable,
+};
+
+static int smb2_init_dc_psy(struct smb2 *chip)
+{
+ struct power_supply_config dc_cfg = {};
+ struct smb_charger *chg = &chip->chg;
+
+ dc_cfg.drv_data = chip;
+ dc_cfg.of_node = chg->dev->of_node;
+ chg->dc_psy = devm_power_supply_register(chg->dev,
+ &dc_psy_desc,
+ &dc_cfg);
+ if (IS_ERR(chg->dc_psy)) {
+ pr_err("Couldn't register USB power supply\n");
+ return PTR_ERR(chg->dc_psy);
+ }
+
+ return 0;
+}
+
+/*************************
* BATT PSY REGISTRATION *
*************************/
@@ -930,6 +1029,12 @@ static int smb2_probe(struct platform_device *pdev)
goto cleanup;
}
+ rc = smb2_init_dc_psy(chip);
+ if (rc < 0) {
+ pr_err("Couldn't initialize dc psy rc=%d\n", rc);
+ goto cleanup;
+ }
+
rc = smb2_init_usb_psy(chip);
if (rc < 0) {
pr_err("Couldn't initialize usb psy rc=%d\n", rc);
diff --git a/drivers/power/qcom-charger/smb-lib.c b/drivers/power/qcom-charger/smb-lib.c
index 16a39626a102..8fe882e078f0 100644
--- a/drivers/power/qcom-charger/smb-lib.c
+++ b/drivers/power/qcom-charger/smb-lib.c
@@ -918,6 +918,76 @@ int smblib_set_prop_system_temp_level(struct smb_charger *chg,
}
/*******************
+ * DC PSY GETTERS *
+ *******************/
+
+int smblib_get_prop_dc_present(struct smb_charger *chg,
+ union power_supply_propval *val)
+{
+ int rc = 0;
+ u8 stat;
+
+ rc = smblib_read(chg, DC_INT_RT_STS_REG, &stat);
+ if (rc < 0) {
+ dev_err(chg->dev, "Couldn't read DC_INT_RT_STS_REG rc=%d\n",
+ rc);
+ return rc;
+ }
+ smblib_dbg(chg, PR_REGISTER, "DC_INT_RT_STS_REG = 0x%02x\n",
+ stat);
+
+ val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT);
+
+ return rc;
+}
+
+int smblib_get_prop_dc_online(struct smb_charger *chg,
+ union power_supply_propval *val)
+{
+ int rc = 0;
+ u8 stat;
+
+ if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) {
+ val->intval = false;
+ return rc;
+ }
+
+ rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat);
+ if (rc < 0) {
+ dev_err(chg->dev, "Couldn't read POWER_PATH_STATUS rc=%d\n",
+ rc);
+ return rc;
+ }
+ smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n",
+ stat);
+
+ val->intval = (stat & USE_DCIN_BIT) &&
+ (stat & VALID_INPUT_POWER_SOURCE_BIT);
+
+ return rc;
+}
+
+int smblib_get_prop_dc_current_max(struct smb_charger *chg,
+ union power_supply_propval *val)
+{
+ val->intval = get_effective_result_locked(chg->dc_icl_votable);
+ return 0;
+}
+
+/*******************
+ * USB PSY SETTERS *
+ * *****************/
+
+int smblib_set_prop_dc_current_max(struct smb_charger *chg,
+ const union power_supply_propval *val)
+{
+ int rc;
+
+ rc = vote(chg->dc_icl_votable, USER_VOTER, true, val->intval);
+ return rc;
+}
+
+/*******************
* USB PSY GETTERS *
*******************/
diff --git a/drivers/power/qcom-charger/smb-lib.h b/drivers/power/qcom-charger/smb-lib.h
index 2b6462d99341..1521fdb3fccf 100644
--- a/drivers/power/qcom-charger/smb-lib.h
+++ b/drivers/power/qcom-charger/smb-lib.h
@@ -95,6 +95,7 @@ struct smb_charger {
/* power supplies */
struct power_supply *batt_psy;
struct power_supply *usb_psy;
+ struct power_supply *dc_psy;
struct power_supply_desc usb_psy_desc;
/* parallel charging */
@@ -187,6 +188,15 @@ int smblib_set_prop_input_suspend(struct smb_charger *chg,
int smblib_set_prop_system_temp_level(struct smb_charger *chg,
const union power_supply_propval *val);
+int smblib_get_prop_dc_present(struct smb_charger *chg,
+ union power_supply_propval *val);
+int smblib_get_prop_dc_online(struct smb_charger *chg,
+ union power_supply_propval *val);
+int smblib_get_prop_dc_current_max(struct smb_charger *chg,
+ union power_supply_propval *val);
+int smblib_set_prop_dc_current_max(struct smb_charger *chg,
+ const union power_supply_propval *val);
+
int smblib_get_prop_usb_present(struct smb_charger *chg,
union power_supply_propval *val);
int smblib_get_prop_usb_online(struct smb_charger *chg,
diff --git a/drivers/power/qcom-charger/smb-reg.h b/drivers/power/qcom-charger/smb-reg.h
index 5af01c229f01..b03e8a7e0403 100644
--- a/drivers/power/qcom-charger/smb-reg.h
+++ b/drivers/power/qcom-charger/smb-reg.h
@@ -641,6 +641,9 @@ enum {
#define WIPWR_RANGE_STATUS_REG (DCIN_BASE + 0x08)
#define WIPWR_RANGE_STATUS_MASK GENMASK(4, 0)
+#define DC_INT_RT_STS_REG (DCIN_BASE + 0x10)
+#define DCIN_PLUGIN_RT_STS_BIT BIT(4)
+
/* DCIN Interrupt Bits */
#define WIPWR_VOLTAGE_RANGE_RT_STS_BIT BIT(7)
#define DCIN_ICL_CHANGE_RT_STS_BIT BIT(6)
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-24 13:56:55 +0000