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sgm:add enable termination function

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Add main charger enable termination function
at sgm4154x charger ic.

Change-Id: Id907405ec331c01b76736771f7c0ea73590864dc
Signed-off-by: xuwei9 <xuwei9@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2148139
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
xuwei9 2021-12-17 22:15:38 +08:00 • committed by Wei Xu
commit 149f0a2f9c
2 changed files with 29 additions and 2 deletions
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26
drivers/power/sgm4154x_chg_mmi/sgm4154x_charger.c
View file

@ -810,6 +810,21 @@ int sgm4154x_disable_watchdog(struct sgm4154x_device *sgm)
return ret;
}
static int sgm4154x_enable_termination(struct charger_device *chg_dev, bool enable)
{
struct sgm4154x_device *sgm = dev_get_drvdata(&chg_dev->dev);
int ret = 0;
ret = regmap_update_bits(sgm->regmap, SGM4154x_CHRG_CTRL_5, SGM4154x_EN_TERM_MASK,
enable ? SGM4154x_EN_TERM_ENABLE : SGM4154x_EN_TERM_DISABLE );
pr_info("%s, %s enable term %s\n", __func__,
enable ? "enable" : "disable",
ret ? "failed" : "success");
return ret;
}
EXPORT_SYMBOL_GPL(sgm4154x_enable_termination);
int sgm4154x_enable_hw_jeita(struct charger_device *chg_dev, bool en)
{
int rc = 0;
@ -1388,6 +1403,7 @@ static void sgm4154x_vbus_remove(struct sgm4154x_device * sgm)
dev_err(sgm->dev, "Vbus removed, disable charge\n");
#ifdef CONFIG_MMI_QC3P_TURBO_CHARGER
sgm4154x_enable_termination(sgm->chg_dev, true);
g_qc3p_detected = false;
qc3p_update_policy(sgm);
#endif
@ -1607,6 +1623,7 @@ static int mmi_hvdcp_detect_kthread(void *param)
dev_err(sgm->dev, "Cann't detected qc30 hvdcp\n");
}
#else
sgm4154x_enable_termination(sgm->chg_dev, true);
qc3p_start_detection(sgm);
qc3p_detection_done(sgm);
ret = qc3p_read_charger_type(sgm);
@ -1894,10 +1911,15 @@ static int sgm4154x_hw_init(struct sgm4154x_device *sgm)
if (ret)
goto err_out;
#ifdef CONFIG_MMI_QC3P_TURBO_CHARGER
ret = sgm4154x_set_recharge_volt(sgm, 100);//100~200mv
if (ret)
goto err_out;
#else
ret = sgm4154x_set_recharge_volt(sgm, 200);//100~200mv
if (ret)
goto err_out;
#endif
ret = sgm4154x_enable_hw_jeita(sgm->chg_dev, false);
if (ret)
goto err_out;
@ -2494,7 +2516,7 @@ static struct charger_ops sgm4154x_chg_ops = {
.dump_registers = sgm4154x_dump_registers,
.is_enabled_charging = sgm4154x_is_enabled_charging,
.enable_termination = sgm4154x_enable_termination,
};
static int sgm4154x_probe(struct i2c_client *client,

5
drivers/power/sgm4154x_chg_mmi/sgm4154x_charger.h
View file

@ -85,6 +85,11 @@
#define SGM4154x_WDT_RST_MASK BIT(6)
/*En termniataion*/
#define SGM4154x_EN_TERM_MASK GENMASK(7,7)
#define SGM4154x_EN_TERM_DISABLE 0
#define SGM4154x_EN_TERM_ENABLE BIT(7)
/* SAFETY TIMER SET */
#define SGM4154x_SAFETY_TIMER_MASK GENMASK(3, 3)
#define SGM4154x_SAFETY_TIMER_DISABLE 0