85 lines
2.5 KiB
Diff
85 lines
2.5 KiB
Diff
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From 65685699bba9e01bd1f98b03fae2e0aaa70e7e4b Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megi@xff.cz>
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Date: Sat, 2 Apr 2022 03:19:36 +0200
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Subject: [PATCH 368/391] power: supply: ip5xxx: Add ip5xxx-usb supply
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This supply represents presnece of the USB power supply on VIN.
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Signed-off-by: Ondrej Jirman <megi@xff.cz>
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---
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drivers/power/supply/ip5xxx_power.c | 44 +++++++++++++++++++++++++++++
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1 file changed, 44 insertions(+)
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diff --git a/drivers/power/supply/ip5xxx_power.c b/drivers/power/supply/ip5xxx_power.c
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index 70cf8724e..9459e217c 100644
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--- a/drivers/power/supply/ip5xxx_power.c
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+++ b/drivers/power/supply/ip5xxx_power.c
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@@ -46,6 +46,7 @@
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#define IP5XXX_GPIO_CTL3 0x55
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#define IP5XXX_STATUS 0x70
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#define IP5XXX_STATUS_BOOST_ON BIT(2)
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+#define IP5XXX_STATUS_VIN_PRESENT BIT(4)
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#define IP5XXX_READ0 0x71
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#define IP5XXX_READ0_CHG_STAT GENMASK(7, 5)
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#define IP5XXX_READ0_CHG_STAT_IDLE (0x0 << 5)
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@@ -632,6 +633,45 @@ static const struct power_supply_desc ip5xxx_boost_desc = {
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.property_is_writeable = ip5xxx_boost_property_is_writeable,
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};
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+static const enum power_supply_property ip5xxx_usb_properties[] = {
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+ POWER_SUPPLY_PROP_PRESENT,
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+};
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+
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+static int ip5xxx_usb_get_property(struct power_supply *psy,
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+ enum power_supply_property psp,
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+ union power_supply_propval *val)
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+{
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+ struct ip5xxx *ip5xxx = power_supply_get_drvdata(psy);
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+ unsigned int rval;
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+ int ret;
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+
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+ ret = ip5xxx_initialize(psy);
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+ if (ret)
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+ return ret;
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+
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+ switch (psp) {
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+ case POWER_SUPPLY_PROP_PRESENT:
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+ ret = ip5xxx_read(ip5xxx, IP5XXX_STATUS, &rval);
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+ if (ret)
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+ return ret;
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+
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+ val->intval = !!(rval & IP5XXX_STATUS_VIN_PRESENT);
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+ return 0;
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+
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+ default:
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+ return -EINVAL;
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+ }
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+}
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+
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+static const struct power_supply_desc ip5xxx_usb_desc = {
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+ .name = "ip5xxx-usb",
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+ .type = POWER_SUPPLY_TYPE_USB,
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+ .properties = ip5xxx_usb_properties,
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+ .num_properties = ARRAY_SIZE(ip5xxx_usb_properties),
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+ .get_property = ip5xxx_usb_get_property,
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+ .property_is_writeable = ip5xxx_boost_property_is_writeable,
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+};
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+
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static const struct regmap_config ip5xxx_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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@@ -665,6 +705,10 @@ static int ip5xxx_power_probe(struct i2c_client *client)
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if (IS_ERR(psy))
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return PTR_ERR(psy);
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+ psy = devm_power_supply_register(dev, &ip5xxx_usb_desc, &psy_cfg);
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+ if (IS_ERR(psy))
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+ return PTR_ERR(psy);
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+
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ret = power_supply_get_battery_info(psy, &ip5xxx->bat);
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if (ret)
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return dev_err_probe(dev, ret, "Failed to get battery info\n");
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--
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2.35.3
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