[PATCH v4 0/5] BQ24190 devicetree config

[PATCH v4 0/5] BQ24190 devicetree config

[Liam Breck]

Hi Sebastian, here is this series that was waiting on the power_supply_battery_info
patchset. Thanks!

Overview:
BQ24190 uses power_supply_battery_info fields for precharge & charge-termination 
current and a DT property for system min voltage. A new DT binding documents these.

Changes in v4:
* drop ifdef config_of

Changes in v3:
* clarify gpio-hog use in DT binding doc
* drop unrelated change from DT table patch

Changes in v2:
* new patch adds bq24192i to DT table
* dropped patches for power_supply precharge-current; they moved to bq27xxx series
* dropped patches for recently-applied fixes
* rebased to -next

Issues in v1:
* power_supply_prop_precharge & endcharge are added at end of enum to avoid sysfs breakage
* "Set bq24190-battery device .type=unknown" is a temporary workaround to be fixed in v2

Liam Breck (5):
  power: bq24190_charger: Add ti,bq24192i to devicetree table
  devicetree: power: Add docs for TI BQ24190 battery charger
  power: bq24190_charger: Enable devicetree config
  power: bq24190_charger: Add property system-minimum-microvolt
  power: bq24190_charger: Add power_supply_battery_info support

 .../devicetree/bindings/power/supply/bq24190.txt   |  51 +++++++
 drivers/power/supply/bq24190_charger.c             | 169 ++++++++++++++++++---
 2 files changed, 200 insertions(+), 20 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/power/supply/bq24190.txt

-- 
2.13.2

[PATCH v4 1/5] power: bq24190_charger: Add ti,bq24192i to devicetree table

[Liam Breck]

From: Liam Breck <kernel@networkimprov.net>

bq24192i was previously only in ID table, so add it to DT table.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Liam Breck <kernel@networkimprov.net>
Acked-by: Tony Lindgren <tony@atomide.com>
---
 drivers/power/supply/bq24190_charger.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index 14199561..40b4bba7 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -1732,6 +1732,7 @@ MODULE_DEVICE_TABLE(i2c, bq24190_i2c_ids);
 #ifdef CONFIG_OF
 static const struct of_device_id bq24190_of_match[] = {
 	{ .compatible = "ti,bq24190", },
+	{ .compatible = "ti,bq24192i", },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, bq24190_of_match);
-- 
2.13.2

[PATCH v4 2/5] devicetree: power: Add docs for TI BQ24190 battery charger

[Liam Breck]

From: Liam Breck <kernel-RYWXG+zxWwBdeoIcmNTgJF6hYfS7NtTn@public.gmane.org>

Document monitored-battery and ti,system-minimum-microvolt properties.

Cc: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Signed-off-by: Liam Breck <kernel-RYWXG+zxWwBdeoIcmNTgJF6hYfS7NtTn@public.gmane.org>
Acked-by: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
---
 .../devicetree/bindings/power/supply/bq24190.txt   | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/bq24190.txt

diff --git a/Documentation/devicetree/bindings/power/supply/bq24190.txt b/Documentation/devicetree/bindings/power/supply/bq24190.txt
new file mode 100644
index 00000000..9e517d30
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/supply/bq24190.txt
@@ -0,0 +1,51 @@
+TI BQ24190 Li-Ion Battery Charger
+
+Required properties:
+- compatible: contains one of the following:
+    * "ti,bq24190"
+    * "ti,bq24192i"
+- reg: integer, I2C address of the charger.
+- interrupts[-extended]: configuration for charger INT pin.
+
+Optional properties:
+- monitored-battery: phandle of battery characteristics devicetree node
+  The charger uses the following battery properties:
+    + precharge-current-microamp: maximum charge current during precharge
+      phase (typically 20% of battery capacity).
+    + charge-term-current-microamp: a charge cycle terminates when the
+      battery voltage is above recharge threshold, and the current is below
+      this setting (typically 10% of battery capacity).
+  See also Documentation/devicetree/bindings/power/supply/battery.txt
+- ti,system-minimum-microvolt: when power is connected and the battery is below
+  minimum system voltage, the system will be regulated above this setting.
+
+Notes:
+- Some circuit boards wire the chip's "OTG" pin high (enabling 500mA default
+  charge current on USB SDP ports, among other features). To simulate this on
+  boards that wire the pin to a GPIO, set a gpio-hog.
+
+Example:
+
+	bat: battery {
+		compatible = "simple-battery";
+		precharge-current-microamp = <256000>;
+		charge-term-current-microamp = <128000>;
+		// etc.
+	};
+
+	bq24190: charger@6a {
+		compatible = "ti,bq24190";
+		reg = <0x6a>;
+		interrupts-extended = <&gpiochip 10 IRQ_TYPE_EDGE_FALLING>;
+		monitored-battery = <&bat>;
+		ti,system-minimum-microvolt = <3200000>;
+	};
+
+	&twl_gpio {
+		otg {
+			gpio-hog;
+			gpios = <6 0>;
+			output-high;
+			line-name = "otg-gpio";
+		};
+	};
-- 
2.13.2

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Re: [PATCH v4 2/5] devicetree: power: Add docs for TI BQ24190 battery charger

[Rob Herring]

On Mon, Aug 28, 2017 at 02:23:46PM -0700, Liam Breck wrote:
> From: Liam Breck <kernel@networkimprov.net>
> 
> Document monitored-battery and ti,system-minimum-microvolt properties.
> 
> Cc: Rob Herring <robh@kernel.org>
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Liam Breck <kernel@networkimprov.net>
> Acked-by: Tony Lindgren <tony@atomide.com>
> ---
>  .../devicetree/bindings/power/supply/bq24190.txt   | 51 ++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/bq24190.txt

Acked-by: Rob Herring <robh@kernel.org>

[PATCH v4 3/5] power: bq24190_charger: Enable devicetree config

[Liam Breck]

From: Liam Breck <kernel@networkimprov.net>

Add get_config(). Rename set_mode_host() to set_config().
Call get_config() and hw_init() after power_supply_register().
No functional changes.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Liam Breck <kernel@networkimprov.net>
---
 drivers/power/supply/bq24190_charger.c | 56 ++++++++++++++++++++++------------
 1 file changed, 36 insertions(+), 20 deletions(-)

diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index 40b4bba7..af4688db 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -504,15 +504,7 @@ static int bq24190_sysfs_create_group(struct bq24190_dev_info *bdi)
 static inline void bq24190_sysfs_remove_group(struct bq24190_dev_info *bdi) {}
 #endif
 
-/*
- * According to the "Host Mode and default Mode" section of the
- * manual, a write to any register causes the bq24190 to switch
- * from default mode to host mode.  It will switch back to default
- * mode after a WDT timeout unless the WDT is turned off as well.
- * So, by simply turning off the WDT, we accomplish both with the
- * same write.
- */
-static int bq24190_set_mode_host(struct bq24190_dev_info *bdi)
+static int bq24190_set_config(struct bq24190_dev_info *bdi)
 {
 	int ret;
 	u8 v;
@@ -523,9 +515,22 @@ static int bq24190_set_mode_host(struct bq24190_dev_info *bdi)
 
 	bdi->watchdog = ((v & BQ24190_REG_CTTC_WATCHDOG_MASK) >>
 					BQ24190_REG_CTTC_WATCHDOG_SHIFT);
+
+	/*
+	 * According to the "Host Mode and default Mode" section of the
+	 * manual, a write to any register causes the bq24190 to switch
+	 * from default mode to host mode.  It will switch back to default
+	 * mode after a WDT timeout unless the WDT is turned off as well.
+	 * So, by simply turning off the WDT, we accomplish both with the
+	 * same write.
+	 */
 	v &= ~BQ24190_REG_CTTC_WATCHDOG_MASK;
 
-	return bq24190_write(bdi, BQ24190_REG_CTTC, v);
+	ret = bq24190_write(bdi, BQ24190_REG_CTTC, v);
+	if (ret < 0)
+		return ret;
+
+	return 0;
 }
 
 static int bq24190_register_reset(struct bq24190_dev_info *bdi)
@@ -1456,13 +1461,18 @@ static int bq24190_hw_init(struct bq24190_dev_info *bdi)
 	if (ret < 0)
 		return ret;
 
-	ret = bq24190_set_mode_host(bdi);
+	ret = bq24190_set_config(bdi);
 	if (ret < 0)
 		return ret;
 
 	return bq24190_read(bdi, BQ24190_REG_SS, &bdi->ss_reg);
 }
 
+static int bq24190_get_config(struct bq24190_dev_info *bdi)
+{
+	return 0;
+}
+
 static int bq24190_probe(struct i2c_client *client,
 		const struct i2c_device_id *id)
 {
@@ -1493,7 +1503,7 @@ static int bq24190_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, bdi);
 
-	if (!client->irq) {
+	if (client->irq <= 0) {
 		dev_err(dev, "Can't get irq info\n");
 		return -EINVAL;
 	}
@@ -1526,12 +1536,6 @@ static int bq24190_probe(struct i2c_client *client,
 		goto out_pmrt;
 	}
 
-	ret = bq24190_hw_init(bdi);
-	if (ret < 0) {
-		dev_err(dev, "Hardware init failed\n");
-		goto out_pmrt;
-	}
-
 	charger_cfg.drv_data = bdi;
 	charger_cfg.supplied_to = bq24190_charger_supplied_to;
 	charger_cfg.num_supplicants = ARRAY_SIZE(bq24190_charger_supplied_to),
@@ -1556,8 +1560,20 @@ static int bq24190_probe(struct i2c_client *client,
 		}
 	}
 
+	ret = bq24190_get_config(bdi);
+	if (ret < 0) {
+		dev_err(dev, "Can't get devicetree config\n");
+		goto out_charger;
+	}
+
+	ret = bq24190_hw_init(bdi);
+	if (ret < 0) {
+		dev_err(dev, "Hardware init failed\n");
+		goto out_charger;
+	}
+
 	ret = bq24190_sysfs_create_group(bdi);
-	if (ret) {
+	if (ret < 0) {
 		dev_err(dev, "Can't create sysfs entries\n");
 		goto out_charger;
 	}
@@ -1700,7 +1716,7 @@ static __maybe_unused int bq24190_pm_resume(struct device *dev)
 	}
 
 	bq24190_register_reset(bdi);
-	bq24190_set_mode_host(bdi);
+	bq24190_set_config(bdi);
 	bq24190_read(bdi, BQ24190_REG_SS, &bdi->ss_reg);
 
 	if (error >= 0) {
-- 
2.13.2

Re: [PATCH v4 3/5] power: bq24190_charger: Enable devicetree config

[Tony Lindgren]

* Liam Breck <liam@networkimprov.net> [170828 14:24]:
> From: Liam Breck <kernel@networkimprov.net>
> 
> Add get_config(). Rename set_mode_host() to set_config().
> Call get_config() and hw_init() after power_supply_register().
> No functional changes.
> 
> Cc: Tony Lindgren <tony@atomide.com>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Signed-off-by: Liam Breck <kernel@networkimprov.net>

Acked-by: Tony Lindgren <tony@atomide.com>

[PATCH v4 4/5] power: bq24190_charger: Add property system-minimum-microvolt

[Liam Breck]

From: Liam Breck <kernel@networkimprov.net>

Set minimum system voltage limit obtained from device property.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Liam Breck <kernel@networkimprov.net>
Acked-by: Tony Lindgren <tony@atomide.com>
---
 drivers/power/supply/bq24190_charger.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index af4688db..c0b23db8 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -43,6 +43,8 @@
 #define BQ24190_REG_POC_CHG_CONFIG_OTG			0x2
 #define BQ24190_REG_POC_SYS_MIN_MASK		(BIT(3) | BIT(2) | BIT(1))
 #define BQ24190_REG_POC_SYS_MIN_SHIFT		1
+#define BQ24190_REG_POC_SYS_MIN_MIN			3000
+#define BQ24190_REG_POC_SYS_MIN_MAX			3700
 #define BQ24190_REG_POC_BOOST_LIM_MASK		BIT(0)
 #define BQ24190_REG_POC_BOOST_LIM_SHIFT		0
 
@@ -159,6 +161,7 @@ struct bq24190_dev_info {
 	char				model_name[I2C_NAME_SIZE];
 	bool				initialized;
 	bool				irq_event;
+	u16				sys_min;
 	struct mutex			f_reg_lock;
 	u8				f_reg;
 	u8				ss_reg;
@@ -530,6 +533,16 @@ static int bq24190_set_config(struct bq24190_dev_info *bdi)
 	if (ret < 0)
 		return ret;
 
+	if (bdi->sys_min) {
+		v = bdi->sys_min / 100 - 30; // manual section 9.5.1.2, table 9
+		ret = bq24190_write_mask(bdi, BQ24190_REG_POC,
+					 BQ24190_REG_POC_SYS_MIN_MASK,
+					 BQ24190_REG_POC_SYS_MIN_SHIFT,
+					 v);
+		if (ret < 0)
+			return ret;
+	}
+
 	return 0;
 }
 
@@ -1470,6 +1483,18 @@ static int bq24190_hw_init(struct bq24190_dev_info *bdi)
 
 static int bq24190_get_config(struct bq24190_dev_info *bdi)
 {
+	const char * const s = "ti,system-minimum-microvolt";
+	int v;
+
+	if (device_property_read_u32(bdi->dev, s, &v) == 0) {
+		v /= 1000;
+		if (v >= BQ24190_REG_POC_SYS_MIN_MIN
+		 && v <= BQ24190_REG_POC_SYS_MIN_MAX)
+			bdi->sys_min = v;
+		else
+			dev_warn(bdi->dev, "invalid value for %s: %u\n", s, v);
+	}
+
 	return 0;
 }
 
-- 
2.13.2

[PATCH v4 5/5] power: bq24190_charger: Add power_supply_battery_info support

[Liam Breck]

From: Liam Breck <kernel@networkimprov.net>

Set pre-charge and charge-term current, obtained from power_supply_battery_info.
Add sysfs attributes precharge_current & charge_term_current.

Cc: Tony Lindgren <tony@atomide.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Liam Breck <kernel@networkimprov.net>
Acked-by: Tony Lindgren <tony@atomide.com>
---
 drivers/power/supply/bq24190_charger.c | 87 ++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)

diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
index c0b23db8..c05aa27a 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -59,9 +59,13 @@
 #define BQ24190_REG_PCTCC_IPRECHG_MASK		(BIT(7) | BIT(6) | BIT(5) | \
 						 BIT(4))
 #define BQ24190_REG_PCTCC_IPRECHG_SHIFT		4
+#define BQ24190_REG_PCTCC_IPRECHG_MIN			128
+#define BQ24190_REG_PCTCC_IPRECHG_MAX			2048
 #define BQ24190_REG_PCTCC_ITERM_MASK		(BIT(3) | BIT(2) | BIT(1) | \
 						 BIT(0))
 #define BQ24190_REG_PCTCC_ITERM_SHIFT		0
+#define BQ24190_REG_PCTCC_ITERM_MIN			128
+#define BQ24190_REG_PCTCC_ITERM_MAX			2048
 
 #define BQ24190_REG_CVC		0x04 /* Charge Voltage Control */
 #define BQ24190_REG_CVC_VREG_MASK		(BIT(7) | BIT(6) | BIT(5) | \
@@ -162,6 +166,8 @@ struct bq24190_dev_info {
 	bool				initialized;
 	bool				irq_event;
 	u16				sys_min;
+	u16				iprechg;
+	u16				iterm;
 	struct mutex			f_reg_lock;
 	u8				f_reg;
 	u8				ss_reg;
@@ -543,6 +549,26 @@ static int bq24190_set_config(struct bq24190_dev_info *bdi)
 			return ret;
 	}
 
+	if (bdi->iprechg) {
+		v = bdi->iprechg / 128 - 1; // manual section 9.5.1.4, table 11
+		ret = bq24190_write_mask(bdi, BQ24190_REG_PCTCC,
+					 BQ24190_REG_PCTCC_IPRECHG_MASK,
+					 BQ24190_REG_PCTCC_IPRECHG_SHIFT,
+					 v);
+		if (ret < 0)
+			return ret;
+	}
+
+	if (bdi->iterm) {
+		v = bdi->iterm / 128 - 1; // manual section 9.5.1.4, table 11
+		ret = bq24190_write_mask(bdi, BQ24190_REG_PCTCC,
+					 BQ24190_REG_PCTCC_ITERM_MASK,
+					 BQ24190_REG_PCTCC_ITERM_SHIFT,
+					 v);
+		if (ret < 0)
+			return ret;
+	}
+
 	return 0;
 }
 
@@ -787,6 +813,38 @@ static int bq24190_charger_set_temp_alert_max(struct bq24190_dev_info *bdi,
 	return bq24190_battery_set_temp_alert_max(bdi, val);
 }
 
+static int bq24190_charger_get_precharge(struct bq24190_dev_info *bdi,
+		union power_supply_propval *val)
+{
+	u8 v;
+	int ret;
+
+	ret = bq24190_read_mask(bdi, BQ24190_REG_PCTCC,
+			BQ24190_REG_PCTCC_IPRECHG_MASK,
+			BQ24190_REG_PCTCC_IPRECHG_SHIFT, &v);
+	if (ret < 0)
+		return ret;
+
+	val->intval = ++v * 128 * 1000;
+	return 0;
+}
+
+static int bq24190_charger_get_charge_term(struct bq24190_dev_info *bdi,
+		union power_supply_propval *val)
+{
+	u8 v;
+	int ret;
+
+	ret = bq24190_read_mask(bdi, BQ24190_REG_PCTCC,
+			BQ24190_REG_PCTCC_ITERM_MASK,
+			BQ24190_REG_PCTCC_ITERM_SHIFT, &v);
+	if (ret < 0)
+		return ret;
+
+	val->intval = ++v * 128 * 1000;
+	return 0;
+}
+
 static int bq24190_charger_get_current(struct bq24190_dev_info *bdi,
 		union power_supply_propval *val)
 {
@@ -907,6 +965,12 @@ static int bq24190_charger_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_TEMP_ALERT_MAX:
 		ret =  bq24190_charger_get_temp_alert_max(bdi, val);
 		break;
+	case POWER_SUPPLY_PROP_PRECHARGE_CURRENT:
+		ret = bq24190_charger_get_precharge(bdi, val);
+		break;
+	case POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT:
+		ret = bq24190_charger_get_charge_term(bdi, val);
+		break;
 	case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
 		ret = bq24190_charger_get_current(bdi, val);
 		break;
@@ -1006,6 +1070,8 @@ static enum power_supply_property bq24190_charger_properties[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_TEMP_ALERT_MAX,
+	POWER_SUPPLY_PROP_PRECHARGE_CURRENT,
+	POWER_SUPPLY_PROP_CHARGE_TERM_CURRENT,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
 	POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE,
@@ -1484,6 +1550,7 @@ static int bq24190_hw_init(struct bq24190_dev_info *bdi)
 static int bq24190_get_config(struct bq24190_dev_info *bdi)
 {
 	const char * const s = "ti,system-minimum-microvolt";
+	struct power_supply_battery_info info = {};
 	int v;
 
 	if (device_property_read_u32(bdi->dev, s, &v) == 0) {
@@ -1495,6 +1562,25 @@ static int bq24190_get_config(struct bq24190_dev_info *bdi)
 			dev_warn(bdi->dev, "invalid value for %s: %u\n", s, v);
 	}
 
+	if (bdi->dev->of_node &&
+	    !power_supply_get_battery_info(bdi->charger, &info)) {
+		v = info.precharge_current_ua / 1000;
+		if (v >= BQ24190_REG_PCTCC_IPRECHG_MIN
+		 && v <= BQ24190_REG_PCTCC_IPRECHG_MAX)
+			bdi->iprechg = v;
+		else
+			dev_warn(bdi->dev, "invalid value for battery:precharge-current-microamp: %d\n",
+				 v);
+
+		v = info.charge_term_current_ua / 1000;
+		if (v >= BQ24190_REG_PCTCC_ITERM_MIN
+		 && v <= BQ24190_REG_PCTCC_ITERM_MAX)
+			bdi->iterm = v;
+		else
+			dev_warn(bdi->dev, "invalid value for battery:charge-term-current-microamp: %d\n",
+				 v);
+	}
+
 	return 0;
 }
 
@@ -1562,6 +1648,7 @@ static int bq24190_probe(struct i2c_client *client,
 	}
 
 	charger_cfg.drv_data = bdi;
+	charger_cfg.of_node = dev->of_node;
 	charger_cfg.supplied_to = bq24190_charger_supplied_to;
 	charger_cfg.num_supplicants = ARRAY_SIZE(bq24190_charger_supplied_to),
 	bdi->charger = power_supply_register(dev, &bq24190_charger_desc,
-- 
2.13.2

Re: [PATCH v4 0/5] BQ24190 devicetree config

[Sebastian Reichel]

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Hi,

On Mon, Aug 28, 2017 at 02:23:44PM -0700, Liam Breck wrote:
> Hi Sebastian, here is this series that was waiting on the power_supply_battery_info
> patchset. Thanks!

Thanks, queued.

-- Sebastian

> Overview:
> BQ24190 uses power_supply_battery_info fields for precharge & charge-termination 
> current and a DT property for system min voltage. A new DT binding documents these.
> 
> Changes in v4:
> * drop ifdef config_of
> 
> Changes in v3:
> * clarify gpio-hog use in DT binding doc
> * drop unrelated change from DT table patch
> 
> Changes in v2:
> * new patch adds bq24192i to DT table
> * dropped patches for power_supply precharge-current; they moved to bq27xxx series
> * dropped patches for recently-applied fixes
> * rebased to -next
> 
> Issues in v1:
> * power_supply_prop_precharge & endcharge are added at end of enum to avoid sysfs breakage
> * "Set bq24190-battery device .type=unknown" is a temporary workaround to be fixed in v2
> 
> Liam Breck (5):
>   power: bq24190_charger: Add ti,bq24192i to devicetree table
>   devicetree: power: Add docs for TI BQ24190 battery charger
>   power: bq24190_charger: Enable devicetree config
>   power: bq24190_charger: Add property system-minimum-microvolt
>   power: bq24190_charger: Add power_supply_battery_info support
> 
>  .../devicetree/bindings/power/supply/bq24190.txt   |  51 +++++++
>  drivers/power/supply/bq24190_charger.c             | 169 ++++++++++++++++++---
>  2 files changed, 200 insertions(+), 20 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/bq24190.txt
> 
> -- 
> 2.13.2
> 

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