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power: supply: bq27xxx: Add support for BQ27426

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This device is software similar to the BQ27426 except it has
different data memory offsets. Add support here.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
This commit is contained in:
Andrew F. Davis 2018-04-21 18:12:49 -05:00 committed by Sebastian Reichel
parent 77142a6112
commit 5ef6a16033
4 changed files with 14 additions and 1 deletions
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1
Documentation/devicetree/bindings/power/supply/bq27xxx.txt
View file

@ -25,6 +25,7 @@ Required properties:
* "ti,bq27545" - BQ27545
* "ti,bq27421" - BQ27421
* "ti,bq27425" - BQ27425
* "ti,bq27426" - BQ27426
* "ti,bq27441" - BQ27441
* "ti,bq27621" - BQ27621
- reg: integer, I2C address of the fuel gauge.

9
drivers/power/supply/bq27xxx_battery.c
View file

@ -432,6 +432,7 @@ static u8
BQ27XXX_DM_REG_ROWS,
};
#define bq27425_regs bq27421_regs
#define bq27426_regs bq27421_regs
#define bq27441_regs bq27421_regs
#define bq27621_regs bq27421_regs
@ -664,6 +665,7 @@ static enum power_supply_property bq27421_props[] = {
POWER_SUPPLY_PROP_MANUFACTURER,
};
#define bq27425_props bq27421_props
#define bq27426_props bq27421_props
#define bq27441_props bq27421_props
#define bq27621_props bq27421_props
@ -734,6 +736,12 @@ static struct bq27xxx_dm_reg bq27425_dm_regs[] = {
[BQ27XXX_DM_TERMINATE_VOLTAGE] = { 82, 18, 2, 2800, 3700 },
};
static struct bq27xxx_dm_reg bq27426_dm_regs[] = {
[BQ27XXX_DM_DESIGN_CAPACITY] = { 82, 6, 2, 0, 8000 },
[BQ27XXX_DM_DESIGN_ENERGY] = { 82, 8, 2, 0, 32767 },
[BQ27XXX_DM_TERMINATE_VOLTAGE] = { 82, 10, 2, 2500, 3700 },
};
#if 0 /* not yet tested */
#define bq27441_dm_regs bq27421_dm_regs
#else
@ -795,6 +803,7 @@ static struct {
[BQ27545] = BQ27XXX_DATA(bq27545, 0x04143672, BQ27XXX_O_OTDC),
[BQ27421] = BQ27XXX_DATA(bq27421, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
[BQ27425] = BQ27XXX_DATA(bq27425, 0x04143672, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP),
[BQ27426] = BQ27XXX_DATA(bq27426, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
[BQ27441] = BQ27XXX_DATA(bq27441, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
[BQ27621] = BQ27XXX_DATA(bq27621, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
};

2
drivers/power/supply/bq27xxx_battery_i2c.c
View file

@ -249,6 +249,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = {
{ "bq27545", BQ27545 },
{ "bq27421", BQ27421 },
{ "bq27425", BQ27425 },
{ "bq27426", BQ27426 },
{ "bq27441", BQ27441 },
{ "bq27621", BQ27621 },
{},
@ -280,6 +281,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = {
{ .compatible = "ti,bq27545" },
{ .compatible = "ti,bq27421" },
{ .compatible = "ti,bq27425" },
{ .compatible = "ti,bq27426" },
{ .compatible = "ti,bq27441" },
{ .compatible = "ti,bq27621" },
{},

3
include/linux/power/bq27xxx_battery.h
View file

@ -24,8 +24,9 @@ enum bq27xxx_chip {
BQ27546,
BQ27742,
BQ27545, /* bq27545 */
BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
BQ27421, /* bq27421, bq27441, bq27621 */
BQ27425,
BQ27426,
BQ27441,
BQ27621,
};