Commit 8835cae5 authored by Chris Lapa's avatar Chris Lapa Committed by Sebastian Reichel
Browse files

power: supply: bq27xxx: adds specific support for bq27520-g4 revision. 



This commit adds the BQ27520G4 chip definition to specifically match the
bq27520-G4 functionality as described in the datasheet.

Signed-off-by: default avatarChris Lapa <chris@lapa.com.au>
Acked-by: default avatarPali Rohár <pali.rohar@gmail.com>
Reviewed-by: default avatarAndrew F. Davis <afd@ti.com>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent 825e915b

drivers/power/supply/bq27xxx_battery.c

+39 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
 * http://www.ti.com/product/bq27520-g1

 * http://www.ti.com/product/bq27520-g2

 * http://www.ti.com/product/bq27520-g3

 * http://www.ti.com/product/bq27520-g4

 * http://www.ti.com/product/bq27530-g1

 * http://www.ti.com/product/bq27531-g1

 * http://www.ti.com/product/bq27541-g1
@@ -321,6 +322,25 @@ static u8 bq27xxx_regs[][BQ27XXX_REG_MAX] = { 
		[BQ27XXX_REG_DCAP] = 0x3c,

		[BQ27XXX_REG_AP] = 0x24,

	},

	[BQ27520G4] = {

		[BQ27XXX_REG_CTRL] = 0x00,

		[BQ27XXX_REG_TEMP] = 0x06,

		[BQ27XXX_REG_INT_TEMP] = 0x28,

		[BQ27XXX_REG_VOLT] = 0x08,

		[BQ27XXX_REG_AI] = 0x14,

		[BQ27XXX_REG_FLAGS] = 0x0a,

		[BQ27XXX_REG_TTE] = 0x16,

		[BQ27XXX_REG_TTF] = INVALID_REG_ADDR,

		[BQ27XXX_REG_TTES] = 0x1c,

		[BQ27XXX_REG_TTECP] = INVALID_REG_ADDR,

		[BQ27XXX_REG_NAC] = 0x0c,

		[BQ27XXX_REG_FCC] = 0x12,

		[BQ27XXX_REG_CYCT] = 0x1e,

		[BQ27XXX_REG_AE] = INVALID_REG_ADDR,

		[BQ27XXX_REG_SOC] = 0x20,

		[BQ27XXX_REG_DCAP] = INVALID_REG_ADDR,

		[BQ27XXX_REG_AP] = INVALID_REG_ADDR,

	},

	[BQ27530] = {

		[BQ27XXX_REG_CTRL] = 0x00,

		[BQ27XXX_REG_TEMP] = 0x06,
@@ -619,6 +639,23 @@ static enum power_supply_property bq27520g3_battery_props[] = { 
	POWER_SUPPLY_PROP_MANUFACTURER,

};



static enum power_supply_property bq27520g4_battery_props[] = {

	POWER_SUPPLY_PROP_STATUS,

	POWER_SUPPLY_PROP_PRESENT,

	POWER_SUPPLY_PROP_VOLTAGE_NOW,

	POWER_SUPPLY_PROP_CURRENT_NOW,

	POWER_SUPPLY_PROP_CAPACITY,

	POWER_SUPPLY_PROP_CAPACITY_LEVEL,

	POWER_SUPPLY_PROP_TEMP,

	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,

	POWER_SUPPLY_PROP_TECHNOLOGY,

	POWER_SUPPLY_PROP_CHARGE_FULL,

	POWER_SUPPLY_PROP_CHARGE_NOW,

	POWER_SUPPLY_PROP_CYCLE_COUNT,

	POWER_SUPPLY_PROP_HEALTH,

	POWER_SUPPLY_PROP_MANUFACTURER,

};



static enum power_supply_property bq27530_battery_props[] = {

	POWER_SUPPLY_PROP_STATUS,

	POWER_SUPPLY_PROP_PRESENT,
@@ -710,6 +747,7 @@ static struct { 
	BQ27XXX_PROP(BQ27520G1, bq27520g1_battery_props),

	BQ27XXX_PROP(BQ27520G2, bq27520g2_battery_props),

	BQ27XXX_PROP(BQ27520G3, bq27520g3_battery_props),

	BQ27XXX_PROP(BQ27520G4, bq27520g4_battery_props),

	BQ27XXX_PROP(BQ27530, bq27530_battery_props),

	BQ27XXX_PROP(BQ27541, bq27541_battery_props),

	BQ27XXX_PROP(BQ27545, bq27545_battery_props),
@@ -971,6 +1009,7 @@ static bool bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags) 
	case BQ27520G1:

	case BQ27520G2:

	case BQ27520G3:

	case BQ27520G4:

	case BQ27541:

	case BQ27545:

		return flags & (BQ27XXX_FLAG_OTC | BQ27XXX_FLAG_OTD);

drivers/power/supply/bq27xxx_battery_i2c.c

+2 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = { 
	{ "bq27520g1", BQ27520G1 },

	{ "bq27520g2", BQ27520G2 },

	{ "bq27520g3", BQ27520G3 },

	{ "bq27520g4", BQ27520G4 },

	{ "bq27530", BQ27530 },

	{ "bq27531", BQ27530 },

	{ "bq27541", BQ27541 },
@@ -187,6 +188,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = { 
	{ .compatible = "ti,bq27520g1" },

	{ .compatible = "ti,bq27520g2" },

	{ .compatible = "ti,bq27520g3" },

	{ .compatible = "ti,bq27520g4" },

	{ .compatible = "ti,bq27530" },

	{ .compatible = "ti,bq27531" },

	{ .compatible = "ti,bq27541" },

include/linux/power/bq27xxx_battery.h

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ enum bq27xxx_chip { 
	BQ27520G1, /* bq27520G1 */

	BQ27520G2, /* bq27520G2 */

	BQ27520G3, /* bq27520G3 */

	BQ27520G4, /* bq27520G4 */

	BQ27530, /* bq27530, bq27531 */

	BQ27541, /* bq27541, bq27542, bq27546, bq27742 */

	BQ27545, /* bq27545 */

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