From: Hans de Goede <hdegoede@redhat.com>
To: "Rafael J . Wysocki" <rjw@rjwysocki.net>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Mark Gross <markgross@kernel.org>,
Andy Shevchenko <andy@infradead.org>,
Wolfram Sang <wsa@the-dreams.de>,
Lee Jones <lee.jones@linaro.org>,
Sebastian Reichel <sre@kernel.org>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Ard Biesheuvel <ardb@kernel.org>
Cc: Hans de Goede <hdegoede@redhat.com>, Len Brown <lenb@kernel.org>,
linux-acpi@vger.kernel.org, Yauhen Kharuzhy <jekhor@gmail.com>,
Tsuchiya Yuto <kitakar@gmail.com>,
platform-driver-x86@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org
Subject: [PATCH v4 11/20] power: supply: bq25890: On the bq25892 set the IINLIM based on external charger detection
Date: Mon, 6 Dec 2021 10:33:09 +0100 [thread overview]
Message-ID: <20211206093318.45214-12-hdegoede@redhat.com> (raw)
In-Reply-To: <20211206093318.45214-1-hdegoede@redhat.com>
The bq25892 does not have builtin charger-type detection like the bq25980,
there might be some external charger detection capability, which will be
modelled as a power_supply class-device supplying the bq25892.
Use the usb_type property value from the supplier psy-device to set the
input-current-limit (when available).
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/power/supply/bq25890_charger.c | 33 ++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c
index 637cdd3b6b11..3de72f0fbf3e 100644
--- a/drivers/power/supply/bq25890_charger.c
+++ b/drivers/power/supply/bq25890_charger.c
@@ -594,6 +594,38 @@ static int bq25890_power_supply_get_property(struct power_supply *psy,
return 0;
}
+/* On the BQ25892 try to get charger-type info from our supplier */
+static void bq25890_charger_external_power_changed(struct power_supply *psy)
+{
+ struct bq25890_device *bq = power_supply_get_drvdata(psy);
+ union power_supply_propval val;
+ int input_current_limit, ret;
+
+ if (bq->chip_version != BQ25892)
+ return;
+
+ ret = power_supply_get_property_from_supplier(bq->charger,
+ POWER_SUPPLY_PROP_USB_TYPE,
+ &val);
+ if (ret)
+ return;
+
+ switch (val.intval) {
+ case POWER_SUPPLY_USB_TYPE_DCP:
+ input_current_limit = bq25890_find_idx(2000000, TBL_IINLIM);
+ break;
+ case POWER_SUPPLY_USB_TYPE_CDP:
+ case POWER_SUPPLY_USB_TYPE_ACA:
+ input_current_limit = bq25890_find_idx(1500000, TBL_IINLIM);
+ break;
+ case POWER_SUPPLY_USB_TYPE_SDP:
+ default:
+ input_current_limit = bq25890_find_idx(500000, TBL_IINLIM);
+ }
+
+ bq25890_field_write(bq, F_IINLIM, input_current_limit);
+}
+
static int bq25890_get_chip_state(struct bq25890_device *bq,
struct bq25890_state *state)
{
@@ -818,6 +850,7 @@ static const struct power_supply_desc bq25890_power_supply_desc = {
.properties = bq25890_power_supply_props,
.num_properties = ARRAY_SIZE(bq25890_power_supply_props),
.get_property = bq25890_power_supply_get_property,
+ .external_power_changed = bq25890_charger_external_power_changed,
};
static int bq25890_power_supply_init(struct bq25890_device *bq)
--
2.33.1
next prev parent reply other threads:[~2021-12-06 9:35 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-06 9:32 [PATCH v4 00/20] power-suppy/i2c/extcon: Fix charger setup on Xiaomi Mi Pad 2 and Lenovo Yogabook Hans de Goede
2021-12-06 9:32 ` [PATCH v4 01/20] power: supply: core: Refactor power_supply_set_input_current_limit_from_supplier() Hans de Goede
2021-12-06 9:33 ` [PATCH v4 02/20] power: supply: bq25890: Rename IILIM field to IINLIM Hans de Goede
2021-12-06 9:33 ` [PATCH v4 03/20] power: supply: bq25890: Reduce reported CONSTANT_CHARGE_CURRENT_MAX for low temperatures Hans de Goede
2021-12-06 9:33 ` [PATCH v4 04/20] power: supply: bq25890: Add a bq25890_rw_init_data() helper Hans de Goede
2021-12-06 9:33 ` [PATCH v4 05/20] power: supply: bq25890: Add support to skip reset at probe() / remove() Hans de Goede
2021-12-06 9:33 ` [PATCH v4 06/20] power: supply: bq25890: Add support to read back the settings from the chip Hans de Goede
2021-12-06 9:33 ` [PATCH v4 07/20] power: supply: bq25890: Enable charging on boards where we skip reset Hans de Goede
2021-12-06 9:33 ` [PATCH v4 08/20] power: supply: bq25890: Drop dev->platform_data == NULL check Hans de Goede
2021-12-06 9:33 ` [PATCH v4 09/20] power: supply: bq25890: Add bq25890_set_otg_cfg() helper Hans de Goede
2021-12-06 9:33 ` [PATCH v4 10/20] power: supply: bq25890: Add support for registering the Vbus boost converter as a regulator Hans de Goede
2021-12-06 9:33 ` Hans de Goede [this message]
2021-12-06 9:33 ` [PATCH v4 12/20] power: supply: bq25890: Support higher charging voltages through Pump Express+ protocol Hans de Goede
2021-12-06 9:33 ` [PATCH v4 13/20] power: supply: bq25890: Use the devm_regmap_field_bulk_alloc() helper Hans de Goede
2021-12-06 9:33 ` [PATCH v4 14/20] mfd: intel_soc_pmic_chtwc: Add cht_wc_model data to struct intel_soc_pmic Hans de Goede
2021-12-06 19:55 ` Andy Shevchenko
2021-12-06 21:46 ` Hans de Goede
2021-12-06 22:04 ` Andy Shevchenko
2021-12-17 10:09 ` Lee Jones
2021-12-06 9:33 ` [PATCH v4 15/20] i2c: cht-wc: Make charger i2c-client instantiation board/device-model specific Hans de Goede
2021-12-06 9:33 ` [PATCH v4 16/20] extcon: intel-cht-wc: Use new cht_wc_model intel_soc_pmic field Hans de Goede
2021-12-16 2:54 ` Chanwoo Choi
2021-12-06 9:33 ` [PATCH v4 17/20] extcon: intel-cht-wc: Support devs with Micro-B / USB-2 only Type-C connectors Hans de Goede
2021-12-16 2:54 ` Chanwoo Choi
2021-12-06 9:33 ` [PATCH v4 18/20] extcon: intel-cht-wc: Refactor cht_wc_extcon_get_charger() Hans de Goede
2021-12-16 2:54 ` Chanwoo Choi
2021-12-06 9:33 ` [PATCH v4 19/20] extcon: intel-cht-wc: Add support for registering a power_supply class-device Hans de Goede
2021-12-16 2:55 ` Chanwoo Choi
2021-12-06 9:33 ` [PATCH v4 20/20] extcon: intel-cht-wc: Report RID_A for ACA adapters Hans de Goede
2021-12-16 2:55 ` Chanwoo Choi
2022-01-30 20:45 [PATCH v4 resend 00/20] power-suppy/i2c/extcon: Fix charger setup on Xiaomi Mi Pad 2 and Lenovo Yogabook Hans de Goede
2022-01-30 20:45 ` [PATCH v4 11/20] power: supply: bq25890: On the bq25892 set the IINLIM based on external charger detection Hans de Goede
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