Commit de7601a6 authored by Hans de Goede's avatar Hans de Goede
Browse files

platform/x86: x86-android-tablets: Add Asus ME176C/TF103C charger and fuelgauge props 



Add properties describing the battery on the Asus ME176C / TF103C
tablets. The max constant charge volt / current settings were taken
from the factory Android image on these tablets.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220205191356.225505-2-hdegoede@redhat.com
parent 5c8e4c86

drivers/platform/x86/x86-android-tablets.c

+85 −12
Original line number Diff line number Diff line
@@ -158,21 +158,27 @@ struct x86_dev_info { 
	void (*exit)(void);

};



/* Generic / shared bq24190 settings */

static const char * const bq24190_suppliers[] = { "tusb1210-psy" };



static const struct property_entry bq24190_props[] = {

	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),

	PROPERTY_ENTRY_BOOL("omit-battery-class"),

	PROPERTY_ENTRY_BOOL("disable-reset"),

/* Generic / shared charger / battery settings */

static const char * const bq24190_suppliers[] = { "tusb1211-charger-detect" };

static const char * const ug3105_suppliers[] = { "bq24190-charger" };



/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV bat. */

static const struct property_entry generic_lipo_hv_4v35_battery_props[] = {

	PROPERTY_ENTRY_STRING("compatible", "simple-battery"),

	PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion"),

	PROPERTY_ENTRY_U32("precharge-current-microamp", 256000),

	PROPERTY_ENTRY_U32("charge-term-current-microamp", 128000),

	PROPERTY_ENTRY_U32("constant-charge-current-max-microamp", 1856000),

	PROPERTY_ENTRY_U32("constant-charge-voltage-max-microvolt", 4352000),

	PROPERTY_ENTRY_U32("factory-internal-resistance-micro-ohms", 150000),

	{ }

};



static const struct software_node bq24190_node = {

	.properties = bq24190_props,

static const struct software_node generic_lipo_hv_4v35_battery_node = {

	.properties = generic_lipo_hv_4v35_battery_props,

};



/* For enableing the bq24190 5V boost based on id-pin */

/* For enabling the bq24190 5V boost based on id-pin */

static struct regulator_consumer_supply intel_int3496_consumer = {

	.supply = "vbus",

	.dev_name = "intel-int3496",
@@ -230,6 +236,30 @@ static const struct software_node asus_me176c_accel_node = { 
	.properties = asus_me176c_accel_props,

};



static const struct property_entry asus_me176c_bq24190_props[] = {

	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),

	PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node),

	PROPERTY_ENTRY_U32("ti,system-minimum-microvolt", 3600000),

	PROPERTY_ENTRY_BOOL("omit-battery-class"),

	PROPERTY_ENTRY_BOOL("disable-reset"),

	{ }

};



static const struct software_node asus_me176c_bq24190_node = {

	.properties = asus_me176c_bq24190_props,

};



static const struct property_entry asus_me176c_ug3105_props[] = {

	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", ug3105_suppliers),

	PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node),

	PROPERTY_ENTRY_U32("upi,rsns-microohm", 10000),

	{ }

};



static const struct software_node asus_me176c_ug3105_node = {

	.properties = asus_me176c_ug3105_props,

};



static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = {

	{

		/* bq24190 battery charger */
@@ -237,7 +267,7 @@ static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = 
			.type = "bq24190",

			.addr = 0x6b,

			.dev_name = "bq24190",

			.swnode = &bq24190_node,

			.swnode = &asus_me176c_bq24190_node,

			.platform_data = &bq24190_pdata,

		},

		.adapter_path = "\\_SB_.I2C1",
@@ -253,6 +283,7 @@ static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = 
			.type = "ug3105",

			.addr = 0x70,

			.dev_name = "ug3105",

			.swnode = &asus_me176c_ug3105_node,

		},

		.adapter_path = "\\_SB_.I2C1",

	}, {
@@ -321,6 +352,7 @@ static const struct x86_dev_info asus_me176c_info __initconst = { 
	.serdev_info = asus_me176c_serdevs,

	.serdev_count = ARRAY_SIZE(asus_me176c_serdevs),

	.gpiod_lookup_tables = asus_me176c_gpios,

	.bat_swnode = &generic_lipo_hv_4v35_battery_node,

	.modules = bq24190_modules,

	.invalid_aei_gpiochip = "INT33FC:02",

};
@@ -350,6 +382,45 @@ static const struct software_node asus_tf103c_touchscreen_node = { 
	.properties = asus_tf103c_touchscreen_props,

};



static const struct property_entry asus_tf103c_battery_props[] = {

	PROPERTY_ENTRY_STRING("compatible", "simple-battery"),

	PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion-polymer"),

	PROPERTY_ENTRY_U32("precharge-current-microamp", 256000),

	PROPERTY_ENTRY_U32("charge-term-current-microamp", 128000),

	PROPERTY_ENTRY_U32("constant-charge-current-max-microamp", 2048000),

	PROPERTY_ENTRY_U32("constant-charge-voltage-max-microvolt", 4208000),

	PROPERTY_ENTRY_U32("factory-internal-resistance-micro-ohms", 150000),

	{ }

};



static const struct software_node asus_tf103c_battery_node = {

	.properties = asus_tf103c_battery_props,

};



static const struct property_entry asus_tf103c_bq24190_props[] = {

	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", bq24190_suppliers),

	PROPERTY_ENTRY_REF("monitored-battery", &asus_tf103c_battery_node),

	PROPERTY_ENTRY_U32("ti,system-minimum-microvolt", 3600000),

	PROPERTY_ENTRY_BOOL("omit-battery-class"),

	PROPERTY_ENTRY_BOOL("disable-reset"),

	{ }

};



static const struct software_node asus_tf103c_bq24190_node = {

	.properties = asus_tf103c_bq24190_props,

};



static const struct property_entry asus_tf103c_ug3105_props[] = {

	PROPERTY_ENTRY_STRING_ARRAY("supplied-from", ug3105_suppliers),

	PROPERTY_ENTRY_REF("monitored-battery", &asus_tf103c_battery_node),

	PROPERTY_ENTRY_U32("upi,rsns-microohm", 5000),

	{ }

};



static const struct software_node asus_tf103c_ug3105_node = {

	.properties = asus_tf103c_ug3105_props,

};



static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = {

	{

		/* bq24190 battery charger */
@@ -357,7 +428,7 @@ static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = 
			.type = "bq24190",

			.addr = 0x6b,

			.dev_name = "bq24190",

			.swnode = &bq24190_node,

			.swnode = &asus_tf103c_bq24190_node,

			.platform_data = &bq24190_pdata,

		},

		.adapter_path = "\\_SB_.I2C1",
@@ -373,6 +444,7 @@ static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = 
			.type = "ug3105",

			.addr = 0x70,

			.dev_name = "ug3105",

			.swnode = &asus_tf103c_ug3105_node,

		},

		.adapter_path = "\\_SB_.I2C1",

	}, {
@@ -422,6 +494,7 @@ static const struct x86_dev_info asus_tf103c_info __initconst = { 
	.pdev_info = int3496_pdevs,

	.pdev_count = ARRAY_SIZE(int3496_pdevs),

	.gpiod_lookup_tables = asus_tf103c_gpios,

	.bat_swnode = &asus_tf103c_battery_node,

	.modules = bq24190_modules,

	.invalid_aei_gpiochip = "INT33FC:02",

};