From: Chris Lapa <ch...@lapa.com.au>

This commit adds the BQ27510G2 chip definition to specifically match the
bq27510-G2 functionality as described in the datasheet.

tested: no

Signed-off-by: Chris Lapa <ch...@lapa.com.au>
---
 drivers/power/supply/bq27xxx_battery.c     | 44 +++++++++++++++++++++++++++++-
 drivers/power/supply/bq27xxx_battery_i2c.c |  2 ++
 include/linux/power/bq27xxx_battery.h      |  1 +
 3 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/bq27xxx_battery.c 
b/drivers/power/supply/bq27xxx_battery.c
index b78881f..3c60e00 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -23,6 +23,7 @@
  * http://www.ti.com/product/bq27210
  * http://www.ti.com/product/bq27500
  * http://www.ti.com/product/bq27510-g1
+ * http://www.ti.com/product/bq27510-g2
  * http://www.ti.com/product/bq27510-g3
  * http://www.ti.com/product/bq27520-g4
  * http://www.ti.com/product/bq27530-g1
@@ -203,6 +204,25 @@ static u8 bq27xxx_regs[][BQ27XXX_REG_MAX] = {
                [BQ27XXX_REG_DCAP] = 0x3c,
                [BQ27XXX_REG_AP] = 0x24,
        },
+       [BQ27510G2] = {
+               [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] = 0x1c,
+               [BQ27XXX_REG_TTECP] = 0x26,
+               [BQ27XXX_REG_NAC] = 0x0c,
+               [BQ27XXX_REG_FCC] = 0x12,
+               [BQ27XXX_REG_CYCT] = 0x2a,
+               [BQ27XXX_REG_AE] = 0x22,
+               [BQ27XXX_REG_SOC] = 0x2c,
+               [BQ27XXX_REG_DCAP] = 0x3c,
+               [BQ27XXX_REG_AP] = 0x24,
+       },
        [BQ27530] = {
                [BQ27XXX_REG_CTRL] = 0x00,
                [BQ27XXX_REG_TEMP] = 0x06,
@@ -383,6 +403,27 @@ static enum power_supply_property 
bq27510g1_battery_props[] = {
        POWER_SUPPLY_PROP_MANUFACTURER,
 };
 
+static enum power_supply_property bq27510g2_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_TIME_TO_FULL_NOW,
+       POWER_SUPPLY_PROP_TECHNOLOGY,
+       POWER_SUPPLY_PROP_CHARGE_FULL,
+       POWER_SUPPLY_PROP_CHARGE_NOW,
+       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,
+};
+
 static enum power_supply_property bq27530_battery_props[] = {
        POWER_SUPPLY_PROP_STATUS,
        POWER_SUPPLY_PROP_PRESENT,
@@ -468,6 +509,7 @@ static struct {
        BQ27XXX_PROP(BQ275XX, bq275xx_battery_props),
        BQ27XXX_PROP(BQ27500, bq27500_battery_props),
        BQ27XXX_PROP(BQ27510G1, bq27510g1_battery_props),
+       BQ27XXX_PROP(BQ27510G2, bq27510g2_battery_props),
        BQ27XXX_PROP(BQ27530, bq27530_battery_props),
        BQ27XXX_PROP(BQ27541, bq27541_battery_props),
        BQ27XXX_PROP(BQ27545, bq27545_battery_props),
@@ -719,7 +761,7 @@ static int bq27xxx_battery_read_pwr_avg(struct 
bq27xxx_device_info *di)
 static bool bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags)
 {
        if (di->chip == BQ275XX || di->chip == BQ27500 || di->chip == BQ27510G1
-                       || di->chip == BQ27541 || di->chip == BQ27545)
+                       || di->chip == BQ27510G2 || di->chip == BQ27541 || 
di->chip == BQ27545)
                return flags & (BQ27XXX_FLAG_OTC | BQ27XXX_FLAG_OTD);
        if (di->chip == BQ27530 || di->chip == BQ27421)
                return flags & BQ27XXX_FLAG_OT;
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c 
b/drivers/power/supply/bq27xxx_battery_i2c.c
index 61f13fd..5f30d6a 100644
--- a/drivers/power/supply/bq27xxx_battery_i2c.c
+++ b/drivers/power/supply/bq27xxx_battery_i2c.c
@@ -153,6 +153,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = {
        { "bq27520", BQ275XX },
        { "bq27500-1", BQ27500 },
        { "bq27510g1", BQ27510G1 },
+       { "bq27510g2", BQ27510G2 },
        { "bq27530", BQ27530 },
        { "bq27531", BQ27530 },
        { "bq27541", BQ27541 },
@@ -177,6 +178,7 @@ static const struct of_device_id 
bq27xxx_battery_i2c_of_match_table[] = {
        { .compatible = "ti,bq27520" },
        { .compatible = "ti,bq27500-1" },
        { .compatible = "ti,bq27510g1" },
+       { .compatible = "ti,bq27510g2" },
        { .compatible = "ti,bq27530" },
        { .compatible = "ti,bq27531" },
        { .compatible = "ti,bq27541" },
diff --git a/include/linux/power/bq27xxx_battery.h 
b/include/linux/power/bq27xxx_battery.h
index 9fa7c86..dd5df1e 100644
--- a/include/linux/power/bq27xxx_battery.h
+++ b/include/linux/power/bq27xxx_battery.h
@@ -7,6 +7,7 @@ enum bq27xxx_chip {
        BQ275XX, /* bq27500, bq27510, bq27520 deprecated alias */
        BQ27500, /* bq27500/1 */
        BQ27510G1, /* bq27510G1 */
+       BQ27510G2, /* bq27510G2 */
        BQ27530, /* bq27530, bq27531 */
        BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
        BQ27545, /* bq27545 */
-- 
2.1.4

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