[PATCH v4 09/10] power: supplies: bq27xxx: adds specific support for bq27520-g4 revision.

From: Chris Lapa
Date: Tue Jan 10 2017 - 00:27:57 EST


From: Chris Lapa <chris@xxxxxxxxxxx>

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

tested: no

Signed-off-by: Chris Lapa <chris@xxxxxxxxxxx>
Acked-by: Pali RohÃr <pali.rohar@xxxxxxxxx>
Reviewed-by: Andrew F. Davis <afd@xxxxxx>
---
drivers/power/supply/bq27xxx_battery.c | 39 ++++++++++++++++++++++++++++++
drivers/power/supply/bq27xxx_battery_i2c.c | 2 ++
include/linux/power/bq27xxx_battery.h | 1 +
3 files changed, 42 insertions(+)

diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index 9b28aa1..fe9d0fb 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -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
@@ -302,6 +303,25 @@ 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,
@@ -582,6 +602,23 @@ 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,
@@ -672,6 +709,7 @@ 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),
@@ -932,6 +970,7 @@ 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);
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c
index 899a846..3878da4 100644
--- a/drivers/power/supply/bq27xxx_battery_i2c.c
+++ b/drivers/power/supply/bq27xxx_battery_i2c.c
@@ -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" },
diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h
index e61f4fa..09af70d 100644
--- a/include/linux/power/bq27xxx_battery.h
+++ b/include/linux/power/bq27xxx_battery.h
@@ -12,6 +12,7 @@ enum bq27xxx_chip {
BQ27520G1, /* bq27520G1 */
BQ27520G2, /* bq27520G2 */
BQ27520G3, /* bq27520G3 */
+ BQ27520G4, /* bq27520G4 */
BQ27530, /* bq27530, bq27531 */
BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
BQ27545, /* bq27545 */
--
2.1.4