this is a friendly reminder. Best Regards ********************************************** Li Qingwu (Terry) Senior Embedded Software Engineer Leica Geosystems(Shanghai)Co.,Limited (Tel): +86 21 61061036 (FAX): +86 21 61061008 (Mobile): +86 187 0185 9600 E-mail: Qing-wu.Li@xxxxxxxxxxxxxxxxxxxxxxx Http: www.leica-geosystems.com.cn ********************************************** -----Original Message----- From: LI Qingwu <Qing-wu.Li@xxxxxxxxxxxxxxxxxxxxxxx> Sent: Friday, February 5, 2021 3:10 PM To: sre@xxxxxxxxxx; robh+dt@xxxxxxxxxx; dmurphy@xxxxxx; pali@xxxxxxxxxx; krzk@xxxxxxxxxx; linux-pm@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx Cc: TERTYCHNYI Grygorii <grygorii.tertychnyi@xxxxxxxxxxxxxxxxxxxx>; ZHIZHIKIN Andrey <andrey.zhizhikin@xxxxxxxxxxxxxxxxxxxx>; LI Qingwu <qing-wu.li@xxxxxxxxxxxxxxxxxxxxxxx> Subject: [PATCH V4 2/2] power: supply: bq27xxx: Add support for BQ78Z100 Add support for TI BQ78Z100, I2C interface gas gauge. It provides a fully integrated safety protection and authentication for 1 to 2-series cell Li-Ion and Li-Polymer battery packs. The patch was tested with BQ78Z100 equipment. Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Signed-off-by: LI Qingwu <Qing-wu.Li@xxxxxxxxxxxxxxxxxxxxxxx> --- drivers/power/supply/bq27xxx_battery.c | 46 +++++++++++++++++++++- drivers/power/supply/bq27xxx_battery_i2c.c | 2 + include/linux/power/bq27xxx_battery.h | 1 + 3 files changed, 48 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 315e0909e6a4..c8579ec7a4f8 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -39,6 +39,7 @@ * https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ti.com%2Fproduct%2Fbq27z561&data=04%7C01%7C%7C9f9bd80e6c4c48b21f0208d8c9a5158b%7C1b16ab3eb8f64fe39f3e2db7fe549f6a%7C0%7C0%7C637481058152484173%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=m28d%2BWIxG3uVVBiA1GIYbahvhxe%2BqFFXHC9xFum17wc%3D&reserved=0 * https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ti.com%2Fproduct%2Fbq28z610&data=04%7C01%7C%7C9f9bd80e6c4c48b21f0208d8c9a5158b%7C1b16ab3eb8f64fe39f3e2db7fe549f6a%7C0%7C0%7C637481058152484173%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=5f7FlqKszetEP3Uq2rZFIvHAbSsVV%2FUAWS7gOKtdzts%3D&reserved=0 * https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ti.com%2Fproduct%2Fbq34z100-g1&data=04%7C01%7C%7C9f9bd80e6c4c48b21f0208d8c9a5158b%7C1b16ab3eb8f64fe39f3e2db7fe549f6a%7C0%7C0%7C637481058152484173%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=IK%2Bfiq2ga7dciCQHO5%2FBqKRgRZDgNoM0NeVpjmT9YtY%3D&reserved=0 + * + https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww. + ti.com%2Fproduct%2Fbq78z100&data=04%7C01%7C%7C9f9bd80e6c4c48b21f02 + 08d8c9a5158b%7C1b16ab3eb8f64fe39f3e2db7fe549f6a%7C0%7C0%7C637481058152 + 484173%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJ + BTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ewaB4hkn%2Bx7EJPXIA5Uux0P + MolDcgFqTHYKCslVYDFs%3D&reserved=0 */ #include <linux/device.h> @@ -497,7 +498,27 @@ static u8 [BQ27XXX_REG_DCAP] = 0x3c, [BQ27XXX_REG_AP] = 0x22, BQ27XXX_DM_REG_ROWS, - }; + }, + bq78z100_regs[BQ27XXX_REG_MAX] = { + [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] = 0x18, + [BQ27XXX_REG_TTES] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = INVALID_REG_ADDR, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = 0x22, + [BQ27XXX_REG_SOC] = 0x2c, + [BQ27XXX_REG_DCAP] = 0x3c, + [BQ27XXX_REG_AP] = 0x22, + BQ27XXX_DM_REG_ROWS, +}; static enum power_supply_property bq27000_props[] = { POWER_SUPPLY_PROP_STATUS, @@ -792,6 +813,27 @@ static enum power_supply_property bq34z100_props[] = { POWER_SUPPLY_PROP_MANUFACTURER, }; +static enum power_supply_property bq78z100_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_TIME_TO_EMPTY_AVG, + POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, + POWER_SUPPLY_PROP_CYCLE_COUNT, + POWER_SUPPLY_PROP_ENERGY_NOW, + POWER_SUPPLY_PROP_POWER_AVG, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_MANUFACTURER, +}; + struct bq27xxx_dm_reg { u8 subclass_id; u8 offset; @@ -890,6 +932,7 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = { #define bq27z561_dm_regs 0 #define bq28z610_dm_regs 0 #define bq34z100_dm_regs 0 +#define bq78z100_dm_regs 0 #define BQ27XXX_O_ZERO BIT(0) #define BQ27XXX_O_OTDC BIT(1) /* has OTC/OTD overtemperature flags */ @@ -948,6 +991,7 @@ static struct { [BQ28Z610] = BQ27XXX_DATA(bq28z610, 0 , BQ27Z561_O_BITS), [BQ34Z100] = BQ27XXX_DATA(bq34z100, 0 , BQ27XXX_O_OTDC | BQ27XXX_O_SOC_SI | \ BQ27XXX_O_HAS_CI | BQ27XXX_O_MUL_CHEM), + [BQ78Z100] = BQ27XXX_DATA(bq78z100, 0x00000000, BQ27Z561_O_BITS), }; static DEFINE_MUTEX(bq27xxx_list_lock); diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index eb4f4284982f..46f078350fd3 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -248,6 +248,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = { { "bq27z561", BQ27Z561 }, { "bq28z610", BQ28Z610 }, { "bq34z100", BQ34Z100 }, + { "bq78z100", BQ78Z100 }, {}, }; MODULE_DEVICE_TABLE(i2c, bq27xxx_i2c_id_table); @@ -284,6 +285,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = { { .compatible = "ti,bq27z561" }, { .compatible = "ti,bq28z610" }, { .compatible = "ti,bq34z100" }, + { .compatible = "ti,bq78z100" }, {}, }; MODULE_DEVICE_TABLE(of, bq27xxx_battery_i2c_of_match_table); diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h index 111a40d0d3d5..ac17618043b1 100644 --- a/include/linux/power/bq27xxx_battery.h +++ b/include/linux/power/bq27xxx_battery.h @@ -33,6 +33,7 @@ enum bq27xxx_chip { BQ27Z561, BQ28Z610, BQ34Z100, + BQ78Z100, }; struct bq27xxx_device_info; -- 2.17.1
