Add the Texas Instruments BQ27z561 battery monitor. The register address
map is laid out the same as compared to other devices within the file.
The battery status register has differing bits to determine if the
battery is full, discharging or dead.
Signed-off-by: Dan Murphy
---
drivers/power/supply/bq27xxx_battery.c | 69 +-
drivers/power/supply/bq27xxx_battery_i2c.c | 2 +
include/linux/power/bq27xxx_battery.h | 1 +
3 files changed, 71 insertions(+), 1 deletion(-)
diff --git a/drivers/power/supply/bq27xxx_battery.c
b/drivers/power/supply/bq27xxx_battery.c
index acaafed037be..a858e3b2a0ee 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -18,6 +18,7 @@
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Datasheets:
+<<< HEAD
* https://www.ti.com/product/bq27000
* https://www.ti.com/product/bq27200
* https://www.ti.com/product/bq27010
@@ -43,6 +44,7 @@
* https://www.ti.com/product/bq27411-g1
* https://www.ti.com/product/bq27441-g1
* https://www.ti.com/product/bq27621-g1
+ * https://www.ti.com/lit/gpn/bq27z561
*/
#include
@@ -79,6 +81,11 @@
#define BQ27000_FLAG_FCBIT(5)
#define BQ27000_FLAG_CHGS BIT(7) /* Charge state flag */
+/* BQ27Z561 has different layout for Flags register */
+#define BQ27Z561_FLAG_FDC BIT(4) /* Battery fully discharged */
+#define BQ27Z561_FLAG_FC BIT(5) /* Battery fully charged */
+#define BQ27Z561_FLAG_DIS_CH BIT(6) /* Battery is discharging */
+
/* control register params */
#define BQ27XXX_SEALED 0x20
#define BQ27XXX_SET_CFGUPDATE 0x13
@@ -431,12 +438,32 @@ static u8
[BQ27XXX_REG_DCAP] = 0x3c,
[BQ27XXX_REG_AP] = 0x18,
BQ27XXX_DM_REG_ROWS,
- };
+ },
#define bq27411_regs bq27421_regs
#define bq27425_regs bq27421_regs
#define bq27426_regs bq27421_regs
#define bq27441_regs bq27421_regs
#define bq27621_regs bq27421_regs
+ bq27z561_regs[BQ27XXX_REG_MAX] = {
+ [BQ27XXX_REG_CTRL] = 0x00,
+ [BQ27XXX_REG_TEMP] = 0x06,
+ [BQ27XXX_REG_INT_TEMP] = INVALID_REG_ADDR,
+ [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,
@@ -672,6 +699,25 @@ static enum power_supply_property bq27421_props[] = {
#define bq27441_props bq27421_props
#define bq27621_props bq27421_props
+static enum power_supply_property bq27z561_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_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_POWER_AVG,
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_MANUFACTURER,
+};
+
struct bq27xxx_dm_reg {
u8 subclass_id;
u8 offset;
@@ -767,11 +813,14 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = {
#define bq27621_dm_regs 0
#endif
+#define bq27z561_dm_regs 0
+
#define BQ27XXX_O_ZERO 0x0001
#define BQ27XXX_O_OTDC 0x0002 /* has OTC/OTD overtemperature flags */
#define BQ27XXX_O_UTOT 0x0004 /* has OT overtemperature flag */
#define BQ27XXX_O_CFGUP0x0008
#define BQ27XXX_O_RAM 0x0010
+#define BQ27Z561_O_BITS0x0020
#define BQ27XXX_DATA(ref, key, opt) { \
.opts = (opt), \
@@ -816,6 +865,7 @@ static struct {
[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),
+ [BQ27Z561] = BQ27XXX_DATA(bq27z561, 0 , BQ27Z561_O_BITS),
};
static DEFINE_MUTEX(bq27xxx_list_lock);
@@ -1551,6 +1601,8 @@ static bool bq27xxx_battery_dead(struct
