summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Documentation/devicetree/bindings/power/supply/qcom/smb138x-charger.txt8
-rw-r--r--drivers/power/supply/qcom/smb-reg.h10
-rw-r--r--drivers/power/supply/qcom/smb138x-charger.c258
-rw-r--r--include/linux/qpnp/qpnp-revid.h3
4 files changed, 236 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/power/supply/qcom/smb138x-charger.txt b/Documentation/devicetree/bindings/power/supply/qcom/smb138x-charger.txt
index 92ef23c3a290..5529e30811fb 100644
--- a/Documentation/devicetree/bindings/power/supply/qcom/smb138x-charger.txt
+++ b/Documentation/devicetree/bindings/power/supply/qcom/smb138x-charger.txt
@@ -22,7 +22,8 @@ Charger specific properties:
Definition: String which indicates the charging mode. Can be one of the
following:
Standalone/Parallel Master - "qcom,smb138x-charger"
- Parallel Slave - "qcom,smb138x-parallel-slave"
+ smb138x Parallel Slave - "qcom,smb138x-parallel-slave"
+ smb1355 Parallel Slave - "qcom,smb1355-parallel-slave",
- qcom,pmic-revid
Usage: required
@@ -35,7 +36,8 @@ Charger specific properties:
Usage: optional
Value type: <u32>
Definition: Specifies parallel charging mode. If not specified, MID-MID
- option is selected by default.
+ option is selected by default. Note that smb1355 can only
+ run in MID-MID configuration.
- qcom,suspend-input
Usage: optional
@@ -125,7 +127,7 @@ Example
=======
smb138x_charger: qcom,smb138x-charger {
- compatible = "qcom,qpnp-smb138x-charger";
+ compatible = "qcom,smb138x-charger";
#address-cells = <1>;
#size-cells = <1>;
diff --git a/drivers/power/supply/qcom/smb-reg.h b/drivers/power/supply/qcom/smb-reg.h
index 167666a8c548..3f260a407721 100644
--- a/drivers/power/supply/qcom/smb-reg.h
+++ b/drivers/power/supply/qcom/smb-reg.h
@@ -1025,4 +1025,14 @@ enum {
/* CHGR FREQ Peripheral registers */
#define FREQ_CLK_DIV_REG (CHGR_FREQ_BASE + 0x50)
+/* SMB1355 specific registers */
+#define SMB1355_TEMP_COMP_STATUS_REG (MISC_BASE + 0x07)
+#define SKIN_TEMP_RST_HOT_BIT BIT(6)
+#define SKIN_TEMP_UB_HOT_BIT BIT(5)
+#define SKIN_TEMP_LB_HOT_BIT BIT(4)
+#define DIE_TEMP_TSD_HOT_BIT BIT(3)
+#define DIE_TEMP_RST_HOT_BIT BIT(2)
+#define DIE_TEMP_UB_HOT_BIT BIT(1)
+#define DIE_TEMP_LB_HOT_BIT BIT(0)
+
#endif /* __SMB2_CHARGER_REG_H */
diff --git a/drivers/power/supply/qcom/smb138x-charger.c b/drivers/power/supply/qcom/smb138x-charger.c
index 694591c3ec56..4e710cae6b78 100644
--- a/drivers/power/supply/qcom/smb138x-charger.c
+++ b/drivers/power/supply/qcom/smb138x-charger.c
@@ -104,6 +104,8 @@ struct smb138x {
struct smb_dt_props dt;
struct power_supply *parallel_psy;
u32 wa_flags;
+ struct pmic_revid_data *pmic_rev_id;
+ char *name;
};
static int __debug_mask;
@@ -167,6 +169,14 @@ static int smb138x_parse_dt(struct smb138x *chip)
if (rc < 0)
chip->dt.pl_mode = POWER_SUPPLY_PL_USBMID_USBMID;
+ /* check that smb1355 is configured to run in mid-mid mode */
+ if (chip->pmic_rev_id->pmic_subtype == SMB1355_SUBTYPE
+ && chip->dt.pl_mode != POWER_SUPPLY_PL_USBMID_USBMID) {
+ pr_err("Smb1355 can only run in MID-MID mode, saw = %d mode\n",
+ chip->dt.pl_mode);
+ return -EINVAL;
+ }
+
chip->dt.suspend_input = of_property_read_bool(node,
"qcom,suspend-input");
@@ -479,6 +489,30 @@ static int smb138x_init_batt_psy(struct smb138x *chip)
* PARALLEL PSY REGISTRATION *
*****************************/
+static int smb1355_get_prop_connector_health(struct smb138x *chip)
+{
+ struct smb_charger *chg = &chip->chg;
+ u8 temp;
+ int rc;
+
+ rc = smblib_read(chg, SMB1355_TEMP_COMP_STATUS_REG, &temp);
+ if (rc < 0) {
+ pr_err("Couldn't read comp stat reg rc = %d\n", rc);
+ return POWER_SUPPLY_HEALTH_UNKNOWN;
+ }
+
+ if (temp & SKIN_TEMP_RST_HOT_BIT)
+ return POWER_SUPPLY_HEALTH_OVERHEAT;
+
+ if (temp & SKIN_TEMP_UB_HOT_BIT)
+ return POWER_SUPPLY_HEALTH_HOT;
+
+ if (temp & SKIN_TEMP_LB_HOT_BIT)
+ return POWER_SUPPLY_HEALTH_WARM;
+
+ return POWER_SUPPLY_HEALTH_COOL;
+}
+
static int smb138x_get_prop_connector_health(struct smb138x *chip)
{
struct smb_charger *chg = &chip->chg;
@@ -536,16 +570,32 @@ static enum power_supply_property smb138x_parallel_props[] = {
POWER_SUPPLY_PROP_PIN_ENABLED,
POWER_SUPPLY_PROP_INPUT_SUSPEND,
POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED,
- POWER_SUPPLY_PROP_CURRENT_MAX,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
- POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_PARALLEL_MODE,
+ POWER_SUPPLY_PROP_CONNECTOR_HEALTH,
+ POWER_SUPPLY_PROP_SET_SHIP_MODE,
POWER_SUPPLY_PROP_CHARGER_TEMP,
POWER_SUPPLY_PROP_CHARGER_TEMP_MAX,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_CURRENT_MAX,
+};
+
+static enum power_supply_property smb1355_parallel_props[] = {
+ POWER_SUPPLY_PROP_CHARGE_TYPE,
+ POWER_SUPPLY_PROP_CHARGING_ENABLED,
+ POWER_SUPPLY_PROP_PIN_ENABLED,
+ POWER_SUPPLY_PROP_INPUT_SUSPEND,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX,
+ POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
POWER_SUPPLY_PROP_MODEL_NAME,
POWER_SUPPLY_PROP_PARALLEL_MODE,
POWER_SUPPLY_PROP_CONNECTOR_HEALTH,
POWER_SUPPLY_PROP_SET_SHIP_MODE,
+ POWER_SUPPLY_PROP_CHARGER_TEMP,
+ POWER_SUPPLY_PROP_CHARGER_TEMP_MAX,
};
static int smb138x_parallel_get_prop(struct power_supply *psy,
@@ -583,14 +633,6 @@ static int smb138x_parallel_get_prop(struct power_supply *psy,
else
val->intval = 0;
break;
- case POWER_SUPPLY_PROP_CURRENT_MAX:
- if ((chip->dt.pl_mode == POWER_SUPPLY_PL_USBIN_USBIN)
- || (chip->dt.pl_mode == POWER_SUPPLY_PL_USBIN_USBIN_EXT))
- rc = smblib_get_charge_param(chg, &chg->param.usb_icl,
- &val->intval);
- else
- val->intval = 0;
- break;
case POWER_SUPPLY_PROP_VOLTAGE_MAX:
rc = smblib_get_charge_param(chg, &chg->param.fv, &val->intval);
break;
@@ -598,28 +640,46 @@ static int smb138x_parallel_get_prop(struct power_supply *psy,
rc = smblib_get_charge_param(chg, &chg->param.fcc,
&val->intval);
break;
- case POWER_SUPPLY_PROP_CURRENT_NOW:
- rc = smblib_get_prop_slave_current_now(chg, val);
- break;
- case POWER_SUPPLY_PROP_CHARGER_TEMP:
- rc = smb138x_get_prop_charger_temp(chip, val);
- break;
- case POWER_SUPPLY_PROP_CHARGER_TEMP_MAX:
- rc = smblib_get_prop_charger_temp_max(chg, val);
- break;
case POWER_SUPPLY_PROP_MODEL_NAME:
- val->strval = "smb138x";
+ val->strval = chip->name;
break;
case POWER_SUPPLY_PROP_PARALLEL_MODE:
val->intval = chip->dt.pl_mode;
break;
case POWER_SUPPLY_PROP_CONNECTOR_HEALTH:
- val->intval = smb138x_get_prop_connector_health(chip);
+ if (chip->pmic_rev_id->pmic_subtype != SMB1355_SUBTYPE)
+ val->intval = smb138x_get_prop_connector_health(chip);
+ else
+ val->intval = smb1355_get_prop_connector_health(chip);
break;
case POWER_SUPPLY_PROP_SET_SHIP_MODE:
/* Not in ship mode as long as device is active */
val->intval = 0;
break;
+ case POWER_SUPPLY_PROP_CHARGER_TEMP:
+ if (chip->pmic_rev_id->pmic_subtype != SMB1355_SUBTYPE)
+ rc = smb138x_get_prop_charger_temp(chip, val);
+ else
+ rc = smblib_get_prop_charger_temp(chg, val);
+ break;
+ case POWER_SUPPLY_PROP_CHARGER_TEMP_MAX:
+ rc = smblib_get_prop_charger_temp_max(chg, val);
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ if (chip->pmic_rev_id->pmic_subtype != SMB1355_SUBTYPE)
+ rc = smblib_get_prop_slave_current_now(chg, val);
+ else
+ rc = -ENODATA;
+ break;
+ case POWER_SUPPLY_PROP_CURRENT_MAX:
+ if ((chip->pmic_rev_id->pmic_subtype != SMB1355_SUBTYPE)
+ && ((chip->dt.pl_mode == POWER_SUPPLY_PL_USBIN_USBIN)
+ || (chip->dt.pl_mode == POWER_SUPPLY_PL_USBIN_USBIN_EXT)))
+ rc = smblib_get_charge_param(chg, &chg->param.usb_icl,
+ &val->intval);
+ else
+ rc = -ENODATA;
+ break;
default:
pr_err("parallel power supply get prop %d not supported\n",
prop);
@@ -703,7 +763,7 @@ static int smb138x_parallel_prop_is_writeable(struct power_supply *psy,
return 0;
}
-static const struct power_supply_desc parallel_psy_desc = {
+static struct power_supply_desc parallel_psy_desc = {
.name = "parallel",
.type = POWER_SUPPLY_TYPE_PARALLEL,
.properties = smb138x_parallel_props,
@@ -731,6 +791,28 @@ static int smb138x_init_parallel_psy(struct smb138x *chip)
return 0;
}
+static int smb1355_init_parallel_psy(struct smb138x *chip)
+{
+ struct power_supply_config parallel_cfg = {};
+ struct smb_charger *chg = &chip->chg;
+
+ parallel_cfg.drv_data = chip;
+ parallel_cfg.of_node = chg->dev->of_node;
+
+ /* change to smb1355's property list */
+ parallel_psy_desc.properties = smb1355_parallel_props;
+ parallel_psy_desc.num_properties = ARRAY_SIZE(smb1355_parallel_props);
+ chip->parallel_psy = devm_power_supply_register(chg->dev,
+ &parallel_psy_desc,
+ &parallel_cfg);
+ if (IS_ERR(chip->parallel_psy)) {
+ pr_err("Couldn't register parallel power supply\n");
+ return PTR_ERR(chip->parallel_psy);
+ }
+
+ return 0;
+}
+
/******************************
* VBUS REGULATOR REGISTRATION *
******************************/
@@ -1050,7 +1132,6 @@ static int smb138x_init_hw(struct smb138x *chip)
static int smb138x_setup_wa_flags(struct smb138x *chip)
{
- struct pmic_revid_data *pmic_rev_id;
struct device_node *revid_dev_node;
revid_dev_node = of_parse_phandle(chip->chg.dev->of_node,
@@ -1060,8 +1141,8 @@ static int smb138x_setup_wa_flags(struct smb138x *chip)
return -EINVAL;
}
- pmic_rev_id = get_revid_data(revid_dev_node);
- if (IS_ERR_OR_NULL(pmic_rev_id)) {
+ chip->pmic_rev_id = get_revid_data(revid_dev_node);
+ if (IS_ERR_OR_NULL(chip->pmic_rev_id)) {
/*
* the revid peripheral must be registered, any failure
* here only indicates that the rev-id module has not
@@ -1070,14 +1151,14 @@ static int smb138x_setup_wa_flags(struct smb138x *chip)
return -EPROBE_DEFER;
}
- switch (pmic_rev_id->pmic_subtype) {
+ switch (chip->pmic_rev_id->pmic_subtype) {
case SMB1381_SUBTYPE:
- if (pmic_rev_id->rev4 < 2) /* SMB1381 rev 1.0 */
+ if (chip->pmic_rev_id->rev4 < 2) /* SMB1381 rev 1.0 */
chip->wa_flags |= OOB_COMP_WA_BIT;
break;
default:
pr_err("PMIC subtype %d not supported\n",
- pmic_rev_id->pmic_subtype);
+ chip->pmic_rev_id->pmic_subtype);
return -EINVAL;
}
@@ -1375,6 +1456,7 @@ static int smb138x_master_probe(struct smb138x *chip)
chg->param = v1_params;
+ chip->name = "smb1381";
rc = smblib_init(chg);
if (rc < 0) {
pr_err("Couldn't initialize smblib rc=%d\n", rc);
@@ -1435,7 +1517,7 @@ static int smb138x_master_probe(struct smb138x *chip)
return rc;
}
-static int smb138x_slave_probe(struct smb138x *chip)
+static int smb1355_slave_probe(struct smb138x *chip)
{
struct smb_charger *chg = &chip->chg;
int rc = 0;
@@ -1448,6 +1530,55 @@ static int smb138x_slave_probe(struct smb138x *chip)
goto cleanup;
}
+ rc = smb138x_parse_dt(chip);
+ if (rc < 0) {
+ pr_err("Couldn't parse device tree rc=%d\n", rc);
+ goto cleanup;
+ }
+
+ rc = smb138x_init_slave_hw(chip);
+ if (rc < 0) {
+ pr_err("Couldn't initialize hardware rc=%d\n", rc);
+ goto cleanup;
+ }
+
+ rc = smb1355_init_parallel_psy(chip);
+ if (rc < 0) {
+ pr_err("Couldn't initialize parallel psy rc=%d\n", rc);
+ goto cleanup;
+ }
+
+ rc = smb138x_determine_initial_slave_status(chip);
+ if (rc < 0) {
+ pr_err("Couldn't determine initial status rc=%d\n", rc);
+ goto cleanup;
+ }
+
+ rc = smb138x_request_interrupts(chip);
+ if (rc < 0) {
+ pr_err("Couldn't request interrupts rc=%d\n", rc);
+ goto cleanup;
+ }
+
+ return 0;
+
+cleanup:
+ smblib_deinit(chg);
+ return rc;
+}
+
+static int smb1381_slave_probe(struct smb138x *chip)
+{
+ struct smb_charger *chg = &chip->chg;
+ int rc = 0;
+
+ chg->param = v1_params;
+
+ rc = smblib_init(chg);
+ if (rc < 0) {
+ pr_err("Couldn't initialize smblib rc=%d\n", rc);
+ goto cleanup;
+ }
chg->iio.temp_max_chan = iio_channel_get(chg->dev, "charger_temp_max");
if (IS_ERR(chg->iio.temp_max_chan)) {
rc = PTR_ERR(chg->iio.temp_max_chan);
@@ -1515,25 +1646,71 @@ static int smb138x_slave_probe(struct smb138x *chip)
goto cleanup;
}
- return rc;
+ return 0;
cleanup:
smblib_deinit(chg);
- if (chip->parallel_psy)
- power_supply_unregister(chip->parallel_psy);
- if (chg->vbus_vreg && chg->vbus_vreg->rdev)
- regulator_unregister(chg->vbus_vreg->rdev);
return rc;
}
+static int slave_probe(struct smb138x *chip)
+{
+ struct device_node *revid_dev_node;
+ int rc = 0;
+
+ revid_dev_node = of_parse_phandle(chip->chg.dev->of_node,
+ "qcom,pmic-revid", 0);
+ if (!revid_dev_node) {
+ pr_err("Missing qcom,pmic-revid property\n");
+ return -EINVAL;
+ }
+
+ chip->pmic_rev_id = get_revid_data(revid_dev_node);
+ if (IS_ERR_OR_NULL(chip->pmic_rev_id)) {
+ /*
+ * the revid peripheral must be registered, any failure
+ * here only indicates that the rev-id module has not
+ * probed yet.
+ */
+ return -EPROBE_DEFER;
+ }
+
+ switch (chip->pmic_rev_id->pmic_subtype) {
+ case SMB1355_SUBTYPE:
+ chip->name = "smb1355";
+ rc = smb1355_slave_probe(chip);
+ break;
+ case SMB1381_SUBTYPE:
+ chip->name = "smb1381";
+ rc = smb1381_slave_probe(chip);
+ break;
+ default:
+ pr_err("Unsupported pmic subtype = 0x%02x\n",
+ chip->pmic_rev_id->pmic_subtype);
+ rc = -EINVAL;
+ }
+
+ if (rc < 0) {
+ if (rc != -EPROBE_DEFER)
+ pr_err("Couldn't probe SMB138X rc=%d\n", rc);
+ return rc;
+ }
+
+ return 0;
+}
+
static const struct of_device_id match_table[] = {
{
- .compatible = "qcom,smb138x-charger",
- .data = (void *) PARALLEL_MASTER
+ .compatible = "qcom,smb138x-charger",
+ .data = (void *) PARALLEL_MASTER,
+ },
+ {
+ .compatible = "qcom,smb138x-parallel-slave",
+ .data = (void *) PARALLEL_SLAVE,
},
{
- .compatible = "qcom,smb138x-parallel-slave",
- .data = (void *) PARALLEL_SLAVE
+ .compatible = "qcom,smb1355-parallel-slave",
+ .data = (void *) PARALLEL_SLAVE,
},
{ },
};
@@ -1580,7 +1757,7 @@ static int smb138x_probe(struct platform_device *pdev)
rc = smb138x_master_probe(chip);
break;
case PARALLEL_SLAVE:
- rc = smb138x_slave_probe(chip);
+ rc = slave_probe(chip);
break;
default:
pr_err("Couldn't find a matching mode %d\n", chip->chg.mode);
@@ -1594,7 +1771,8 @@ static int smb138x_probe(struct platform_device *pdev)
goto cleanup;
}
- pr_info("SMB138X probed successfully mode=%d\n", chip->chg.mode);
+ pr_info("%s probed successfully mode=%d pl_mode = %d\n",
+ chip->name, chip->chg.mode, chip->dt.pl_mode);
return rc;
cleanup:
diff --git a/include/linux/qpnp/qpnp-revid.h b/include/linux/qpnp/qpnp-revid.h
index 7254f4d16176..7fca674b6230 100644
--- a/include/linux/qpnp/qpnp-revid.h
+++ b/include/linux/qpnp/qpnp-revid.h
@@ -235,6 +235,9 @@
/* SMB1381 */
#define SMB1381_SUBTYPE 0x17
+/* SMB1355 */
+#define SMB1355_SUBTYPE 0x1C
+
struct pmic_revid_data {
u8 rev1;
u8 rev2;
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-25 21:43:18 +0000