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Commit d56b3e57 authored by Guru Das Srinagesh's avatar Guru Das Srinagesh
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power: smb1390: add support to configure temp alarm threshold 



Add support to configure temp alarm threshold for SMB1390
die-temp via device tree. If DT property is not specified the
default temperature threshold is set to 110 DegC.

Change-Id: Icd9e94c241deea33687769043810c848c0a682ed
Signed-off-by: default avatarAshay Jaiswal <ashayj@codeaurora.org>
Signed-off-by: default avatarGuru Das Srinagesh <gurus@codeaurora.org>
parent 2117b144

drivers/power/supply/qcom/smb1390-charger-psy.c

+28 −2
Original line number Diff line number Diff line
@@ -62,6 +62,10 @@ 
#define CORE_FTRIM_ILIM_REG		0x1030

#define CFG_ILIM_MASK			GENMASK(4, 0)



#define CORE_FTRIM_CTRL_REG		0x1031

#define TEMP_ALERT_LVL_MASK		GENMASK(6, 5)

#define TEMP_ALERT_LVL_SHIFT		5



#define CORE_FTRIM_LVL_REG		0x1033

#define CFG_WIN_HI_MASK			GENMASK(3, 2)

#define WIN_OV_LVL_1000MV		0x08
@@ -164,6 +168,7 @@ struct smb1390 { 
	bool			suspended;

	u32			debug_mask;

	u32			min_ilim_ua;

	u32			max_temp_alarm_degc;

};



struct smb_irq {
@@ -870,6 +875,10 @@ static int smb1390_parse_dt(struct smb1390 *chip) 
	of_property_read_u32(chip->dev->of_node, "qcom,min-ilim-ua",

			&chip->min_ilim_ua);



	chip->max_temp_alarm_degc = 110;

	of_property_read_u32(chip->dev->of_node, "qcom,max-temp-alarm-degc",

			&chip->max_temp_alarm_degc);



	return 0;

}
@@ -916,7 +925,7 @@ static void smb1390_destroy_votables(struct smb1390 *chip) 


static int smb1390_init_hw(struct smb1390 *chip)

{

	int rc;

	int rc = 0, val;



	/*

	 * Improve ILIM accuracy:
@@ -933,8 +942,25 @@ static int smb1390_init_hw(struct smb1390 *chip) 
	if (rc < 0)

		return rc;



	switch (chip->max_temp_alarm_degc) {

	case 125:

		val = 0x00;

		break;

	case 95:

		val = 0x02;

		break;

	case 85:

		val = 0x03;

		break;

	case 110:

	default:

		val = 0x01;

		break;

	}

	rc = smb1390_masked_write(chip, CORE_FTRIM_CTRL_REG,

			TEMP_ALERT_LVL_MASK, val << TEMP_ALERT_LVL_SHIFT);



	return 0;

	return rc;

}



static int smb1390_get_irq_index_byname(const char *irq_name)