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Commit 1a883f6c authored by Sahil Chandna's avatar Sahil Chandna
Browse files

power: qpnp-smb5: Add support to boot up with a DAM cable 



Add support to allow boot up without battery, with a DAM cable.

Change-Id: Ic6375d57b27d30a799cc51cf061246645a282693
Signed-off-by: default avatarSahil Chandna <chandna@codeaurora.org>
parent eb45ec3a

drivers/power/supply/qcom/qpnp-smb5.c

+6 −1
Original line number Diff line number Diff line
@@ -1613,6 +1613,7 @@ static enum power_supply_property smb5_batt_props[] = { 
	POWER_SUPPLY_PROP_FCC_STEPPER_ENABLE,

};



#define DEBUG_ACCESSORY_TEMP_DECIDEGC	250

static int smb5_batt_get_prop(struct power_supply *psy,

		enum power_supply_property psp,

		union power_supply_propval *val)
@@ -1690,7 +1691,11 @@ static int smb5_batt_get_prop(struct power_supply *psy, 
		rc = smblib_get_prop_batt_iterm(chg, val);

		break;

	case POWER_SUPPLY_PROP_TEMP:

		rc = smblib_get_prop_from_bms(chg, POWER_SUPPLY_PROP_TEMP, val);

		if (chg->typec_mode == POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY)

			val->intval = DEBUG_ACCESSORY_TEMP_DECIDEGC;

		else

			rc = smblib_get_prop_from_bms(chg,

						POWER_SUPPLY_PROP_TEMP, val);

		break;

	case POWER_SUPPLY_PROP_TECHNOLOGY:

		val->intval = POWER_SUPPLY_TECHNOLOGY_LION;

drivers/power/supply/qcom/smb5-lib.c

+10 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ 
	&& (!chg->typec_legacy || chg->typec_legacy_use_rp_icl))



static void update_sw_icl_max(struct smb_charger *chg, int pst);

static int smblib_get_prop_typec_mode(struct smb_charger *chg);



int smblib_read(struct smb_charger *chg, u16 addr, u8 *val)

{
@@ -1364,6 +1365,11 @@ int smblib_set_icl_current(struct smb_charger *chg, int icl_ua) 
	/* suspend if 25mA or less is requested */

	bool suspend = (icl_ua <= USBIN_25MA);



	/* Do not configure ICL from SW for DAM cables */

	if (smblib_get_prop_typec_mode(chg) ==

			    POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY)

		return 0;



	if (suspend)

		return smblib_set_usb_suspend(chg, true);
@@ -3585,6 +3591,10 @@ static int smblib_get_prop_ufp_mode(struct smb_charger *chg) 
		return POWER_SUPPLY_TYPEC_SOURCE_HIGH;

	case SNK_RP_SHORT_BIT:

		return POWER_SUPPLY_TYPEC_NON_COMPLIANT;

	case SNK_DAM_500MA_BIT:

	case SNK_DAM_1500MA_BIT:

	case SNK_DAM_3000MA_BIT:

		return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY;

	default:

		break;

	}

drivers/power/supply/qcom/smb5-reg.h

+4 −1
Original line number Diff line number Diff line
@@ -333,7 +333,10 @@ enum { 
 *  TYPEC Peripheral Registers  *

 ********************************/

#define TYPE_C_SNK_STATUS_REG			(TYPEC_BASE + 0x06)

#define DETECTED_SRC_TYPE_MASK			GENMASK(3, 0)

#define DETECTED_SRC_TYPE_MASK			GENMASK(6, 0)

#define SNK_DAM_500MA_BIT			BIT(6)

#define SNK_DAM_1500MA_BIT			BIT(5)

#define SNK_DAM_3000MA_BIT			BIT(4)

#define SNK_RP_STD_BIT				BIT(3)

#define SNK_RP_1P5_BIT				BIT(2)

#define SNK_RP_3P0_BIT				BIT(1)