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Commit 213377ee authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "smb138x: introduce support for smb1355" into msm-4.9

parents adcc4c09 0529c43c

Documentation/devicetree/bindings/power/supply/qcom/smb138x-charger.txt

+5 −3
Original line number Diff line number Diff line
@@ -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>;

drivers/power/supply/qcom/smb-reg.h

+10 −0
Original line number Diff line number Diff line
@@ -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 */

drivers/power/supply/qcom/smb138x-charger.c

+218 −40
Original line number Diff line number Diff line
@@ -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:

		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

		.data		= (void *) PARALLEL_MASTER,

	},

	{

		.compatible	= "qcom,smb138x-parallel-slave",

		.data = (void *) 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: