From 58b2a21da580741e7f12824d3570eedb534a3752 Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Sat, 2 Apr 2022 03:19:36 +0200 Subject: [PATCH 321/389] power: supply: ip5xxx: Add ip5xxx-usb supply This supply represents presnece of the USB power supply on VIN. Signed-off-by: Ondrej Jirman --- drivers/power/supply/ip5xxx_power.c | 44 +++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/power/supply/ip5xxx_power.c b/drivers/power/supply/ip5xxx_power.c index 70cf8724e638..9459e217cd42 100644 --- a/drivers/power/supply/ip5xxx_power.c +++ b/drivers/power/supply/ip5xxx_power.c @@ -46,6 +46,7 @@ #define IP5XXX_GPIO_CTL3 0x55 #define IP5XXX_STATUS 0x70 #define IP5XXX_STATUS_BOOST_ON BIT(2) +#define IP5XXX_STATUS_VIN_PRESENT BIT(4) #define IP5XXX_READ0 0x71 #define IP5XXX_READ0_CHG_STAT GENMASK(7, 5) #define IP5XXX_READ0_CHG_STAT_IDLE (0x0 << 5) @@ -632,6 +633,45 @@ static const struct power_supply_desc ip5xxx_boost_desc = { .property_is_writeable = ip5xxx_boost_property_is_writeable, }; +static const enum power_supply_property ip5xxx_usb_properties[] = { + POWER_SUPPLY_PROP_PRESENT, +}; + +static int ip5xxx_usb_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct ip5xxx *ip5xxx = power_supply_get_drvdata(psy); + unsigned int rval; + int ret; + + ret = ip5xxx_initialize(psy); + if (ret) + return ret; + + switch (psp) { + case POWER_SUPPLY_PROP_PRESENT: + ret = ip5xxx_read(ip5xxx, IP5XXX_STATUS, &rval); + if (ret) + return ret; + + val->intval = !!(rval & IP5XXX_STATUS_VIN_PRESENT); + return 0; + + default: + return -EINVAL; + } +} + +static const struct power_supply_desc ip5xxx_usb_desc = { + .name = "ip5xxx-usb", + .type = POWER_SUPPLY_TYPE_USB, + .properties = ip5xxx_usb_properties, + .num_properties = ARRAY_SIZE(ip5xxx_usb_properties), + .get_property = ip5xxx_usb_get_property, + .property_is_writeable = ip5xxx_boost_property_is_writeable, +}; + static const struct regmap_config ip5xxx_regmap_config = { .reg_bits = 8, .val_bits = 8, @@ -665,6 +705,10 @@ static int ip5xxx_power_probe(struct i2c_client *client) if (IS_ERR(psy)) return PTR_ERR(psy); + psy = devm_power_supply_register(dev, &ip5xxx_usb_desc, &psy_cfg); + if (IS_ERR(psy)) + return PTR_ERR(psy); + ret = power_supply_get_battery_info(psy, &ip5xxx->bat); if (ret) return dev_err_probe(dev, ret, "Failed to get battery info\n"); -- 2.35.3