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Commit 88c91971 authored by Anirudh Ghayal's avatar Anirudh Ghayal Committed by Vamshi Krishna B V
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power: qpnp-smbcharger: Add POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED property 



Use this property to specify the maximum pulses which can be allowed
during HVDCP3. The DT property 'qcom,max-pulse-allowed' can be
specified to initialize this value.

CRs-Fixed: 1047232
Change-Id: I3d1aa92b16d2103b7f3df88ca948423c202b17ef
Signed-off-by: default avatarAnirudh Ghayal <aghayal@codeaurora.org>
Signed-off-by: default avatarVamshi Krishna B V <vbv@codeaurora.org>
parent d5fc4602

Documentation/devicetree/bindings/power/supply/qcom/qpnp-smbcharger.txt

+3 −0
Original line number Original line Diff line number Diff line
@@ -282,6 +282,9 @@ Optional Properties: 
						battery.

						battery.

- qcom,vchg_sns-vadc		Phandle of the VADC node.

- qcom,vchg_sns-vadc		Phandle of the VADC node.

- qcom,vchg-adc-channel-id	The ADC channel to which the VCHG is routed.

- qcom,vchg-adc-channel-id	The ADC channel to which the VCHG is routed.

- qcom,max-pulse-allowed	The maximum number of pulses allowed in

				HVDCP3 mode. It can be used to restrict VBUS

				to a value.





Example:

Example:

	qcom,qpnp-smbcharger {

	qcom,qpnp-smbcharger {

drivers/power/supply/qcom/qpnp-smbcharger.c

+11 −0
Original line number Original line Diff line number Diff line
@@ -176,6 +176,7 @@ struct smbchg_chip { 
	int				n_vbat_samples;

	int				n_vbat_samples;





	/* status variables */

	/* status variables */

	int				max_pulse_allowed;

	int				wake_reasons;

	int				wake_reasons;

	int				previous_soc;

	int				previous_soc;

	int				usb_online;

	int				usb_online;
@@ -5744,6 +5745,7 @@ static enum power_supply_property smbchg_battery_properties[] = { 
	POWER_SUPPLY_PROP_RERUN_AICL,

	POWER_SUPPLY_PROP_RERUN_AICL,

	POWER_SUPPLY_PROP_RESTRICTED_CHARGING,

	POWER_SUPPLY_PROP_RESTRICTED_CHARGING,

	POWER_SUPPLY_PROP_ALLOW_HVDCP3,

	POWER_SUPPLY_PROP_ALLOW_HVDCP3,

	POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED,

};

};





static int smbchg_battery_set_property(struct power_supply *psy,

static int smbchg_battery_set_property(struct power_supply *psy,
@@ -5954,6 +5956,9 @@ static int smbchg_battery_get_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_ALLOW_HVDCP3:

	case POWER_SUPPLY_PROP_ALLOW_HVDCP3:

		val->intval = chip->allow_hvdcp3_detection;

		val->intval = chip->allow_hvdcp3_detection;

		break;

		break;

	case POWER_SUPPLY_PROP_MAX_PULSE_ALLOWED:

		val->intval = chip->max_pulse_allowed;

		break;

	default:

	default:

		return -EINVAL;

		return -EINVAL;

	}

	}
@@ -7306,6 +7311,7 @@ static int smb_parse_wipower_dt(struct smbchg_chip *chip) 




#define DEFAULT_VLED_MAX_UV		3500000

#define DEFAULT_VLED_MAX_UV		3500000

#define DEFAULT_FCC_MA			2000

#define DEFAULT_FCC_MA			2000

#define DEFAULT_NUM_OF_PULSE_ALLOWED	20

static int smb_parse_dt(struct smbchg_chip *chip)

static int smb_parse_dt(struct smbchg_chip *chip)

{

{

	int rc = 0, ocp_thresh = -EINVAL;

	int rc = 0, ocp_thresh = -EINVAL;
@@ -7364,6 +7370,11 @@ static int smb_parse_dt(struct smbchg_chip *chip) 
	if (chip->parallel.min_current_thr_ma != -EINVAL

	if (chip->parallel.min_current_thr_ma != -EINVAL

			&& chip->parallel.min_9v_current_thr_ma != -EINVAL)

			&& chip->parallel.min_9v_current_thr_ma != -EINVAL)

		chip->parallel.avail = true;

		chip->parallel.avail = true;



	OF_PROP_READ(chip, chip->max_pulse_allowed,

				"max-pulse-allowed", rc, 1);

	if (chip->max_pulse_allowed == -EINVAL)

		chip->max_pulse_allowed = DEFAULT_NUM_OF_PULSE_ALLOWED;

	/*

	/*

	 * use the dt values if they exist, otherwise do not touch the params

	 * use the dt values if they exist, otherwise do not touch the params

	 */

	 */