linux-kernel - [PATCH] power: supply: rt9467: Add properties for VBUS and IBUS reading

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Message-ID: <54fd32fc23fd959da8aa6508d572ee96de5f6eec.1752542001.git.cy_huang@richtek.com>
Date: Tue, 15 Jul 2025 09:19:38 +0800
From: <cy_huang@...htek.com>
To: Sebastian Reichel <sre@...nel.org>
CC: ChiYuan Huang <cy_huang@...htek.com>, <linux-pm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] power: supply: rt9467: Add properties for VBUS and IBUS reading

From: ChiYuan Huang <cy_huang@...htek.com>

Since there's the existing ADC function, add properties 'VOLTAGE_NOW'
and 'CURRENT_NOW' to report the current VBUS and IBUS value, respectively.

Signed-off-by: ChiYuan Huang <cy_huang@...htek.com>
---
 drivers/power/supply/rt9467-charger.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/power/supply/rt9467-charger.c b/drivers/power/supply/rt9467-charger.c
index e9aba9ad393c..998b56e81cd7 100644
--- a/drivers/power/supply/rt9467-charger.c
+++ b/drivers/power/supply/rt9467-charger.c
@@ -633,7 +633,9 @@ static int rt9467_psy_set_ieoc(struct rt9467_chg_data *data, int microamp)
 static const enum power_supply_property rt9467_chg_properties[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 	POWER_SUPPLY_PROP_CURRENT_MAX,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
@@ -656,6 +658,8 @@ static int rt9467_psy_get_property(struct power_supply *psy,
 		return rt9467_psy_get_status(data, &val->intval);
 	case POWER_SUPPLY_PROP_ONLINE:
 		return regmap_field_read(data->rm_field[F_PWR_RDY], &val->intval);
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		return rt9467_get_adc(data, RT9467_ADC_VBUS_DIV5, &val->intval);
 	case POWER_SUPPLY_PROP_CURRENT_MAX:
 		mutex_lock(&data->attach_lock);
 		if (data->psy_usb_type == POWER_SUPPLY_USB_TYPE_UNKNOWN ||
@@ -665,6 +669,8 @@ static int rt9467_psy_get_property(struct power_supply *psy,
 			val->intval = 1500000;
 		mutex_unlock(&data->attach_lock);
 		return 0;
+	case POWER_SUPPLY_PROP_CURRENT_NOW:
+		return rt9467_get_adc(data, RT9467_ADC_IBUS, &val->intval);
 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
 		mutex_lock(&data->ichg_ieoc_lock);
 		val->intval = data->ichg_ua;
-- 
2.34.1