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Subject[PATCH v3 03/11] power: supplies: bq275xx: adds specific support for bq27500/1 revision.
Date
From: Chris Lapa <chris@lapa.com.au>

This commit adds the BQ27500 chip definition to specifically match the
bq27500/1 functionality as described in the datasheet.

tested: no

Signed-off-by: Chris Lapa <chris@lapa.com.au>
---
drivers/power/supply/bq27xxx_battery.c | 42 ++++++++++++++++++++++++++++++
drivers/power/supply/bq27xxx_battery_i2c.c | 2 ++
include/linux/power/bq27xxx_battery.h | 1 +
3 files changed, 45 insertions(+)

diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index b94091e..485e1f0 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -164,6 +164,25 @@ static u8 bq27xxx_regs[][BQ27XXX_REG_MAX] = {
[BQ27XXX_REG_DCAP] = 0x3c,
[BQ27XXX_REG_AP] = INVALID_REG_ADDR,
},
+ [BQ27500] = {
+ [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,
@@ -302,6 +321,27 @@ static enum power_supply_property bq275xx_battery_props[] = {
POWER_SUPPLY_PROP_MANUFACTURER,
};

+static enum power_supply_property bq27500_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,
@@ -385,6 +425,7 @@ static struct {
BQ27XXX_PROP(BQ27000, bq27000_battery_props),
BQ27XXX_PROP(BQ27010, bq27010_battery_props),
BQ27XXX_PROP(BQ275XX, bq275xx_battery_props),
+ BQ27XXX_PROP(BQ27500, bq27500_battery_props),
BQ27XXX_PROP(BQ27530, bq27530_battery_props),
BQ27XXX_PROP(BQ27541, bq27541_battery_props),
BQ27XXX_PROP(BQ27545, bq27545_battery_props),
@@ -637,6 +678,7 @@ static bool bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags)
{
switch (di->chip) {
case BQ275XX:
+ case BQ27500:
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 762d96e..a01b35d 100644
--- a/drivers/power/supply/bq27xxx_battery_i2c.c
+++ b/drivers/power/supply/bq27xxx_battery_i2c.c
@@ -151,6 +151,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = {
{ "bq27500", BQ275XX },
{ "bq27510", BQ275XX },
{ "bq27520", BQ275XX },
+ { "bq27500-1", BQ27500 },
{ "bq27530", BQ27530 },
{ "bq27531", BQ27530 },
{ "bq27541", BQ27541 },
@@ -173,6 +174,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = {
{ .compatible = "ti,bq27500" },
{ .compatible = "ti,bq27510" },
{ .compatible = "ti,bq27520" },
+ { .compatible = "ti,bq27500-1" },
{ .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 c452b94..7d2a415 100644
--- a/include/linux/power/bq27xxx_battery.h
+++ b/include/linux/power/bq27xxx_battery.h
@@ -5,6 +5,7 @@ enum bq27xxx_chip {
BQ27000 = 1, /* bq27000, bq27200 */
BQ27010, /* bq27010, bq27210 */
BQ275XX, /* bq27500, bq27510, bq27520 deprecated alias */
+ BQ27500, /* bq27500/1 */
BQ27530, /* bq27530, bq27531 */
BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
BQ27545, /* bq27545 */
--
2.1.4
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