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Subject[PATCHv1 05/19] power: supply: sbs-battery: Add TI BQ20Z65 support
Date
Add support for BQ20Z65 manufacturer data to the sbs-battery
driver. Implementation has been verified using the public TRM
available from [0] and tested using a GE Flex 3S2P battery.

[0] http://www.ti.com/lit/pdf/sluu386

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---
.../bindings/power/supply/sbs_sbs-battery.txt | 1 +
drivers/power/supply/sbs-battery.c | 15 ++++++++++-----
2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/power/supply/sbs_sbs-battery.txt b/Documentation/devicetree/bindings/power/supply/sbs_sbs-battery.txt
index 4e78e51018eb..fa5a8b516dbf 100644
--- a/Documentation/devicetree/bindings/power/supply/sbs_sbs-battery.txt
+++ b/Documentation/devicetree/bindings/power/supply/sbs_sbs-battery.txt
@@ -6,6 +6,7 @@ Required properties :
part number compatible string might be used in order to take care of
vendor specific registers.
Known <vendor>,<part-number>:
+ ti,bq20z65
ti,bq20z75

Optional properties :
diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c
index 6acd242eed48..a15783802ef8 100644
--- a/drivers/power/supply/sbs-battery.c
+++ b/drivers/power/supply/sbs-battery.c
@@ -149,8 +149,8 @@ static enum power_supply_property sbs_properties[] = {
POWER_SUPPLY_PROP_MODEL_NAME
};

-/* Supports special manufacturer commands from TI BQ20Z75 IC. */
-#define SBS_FLAGS_TI_BQ20Z75 BIT(0)
+/* Supports special manufacturer commands from TI BQ20Z65 and BQ20Z75 IC. */
+#define SBS_FLAGS_TI_BQ20ZX5 BIT(0)

struct sbs_info {
struct i2c_client *client;
@@ -626,7 +626,7 @@ static int sbs_get_property(struct power_supply *psy,
switch (psp) {
case POWER_SUPPLY_PROP_PRESENT:
case POWER_SUPPLY_PROP_HEALTH:
- if (chip->flags & SBS_FLAGS_TI_BQ20Z75)
+ if (chip->flags & SBS_FLAGS_TI_BQ20ZX5)
ret = sbs_get_ti_battery_presence_and_health(client,
psp, val);
else
@@ -950,7 +950,7 @@ static int sbs_suspend(struct device *dev)
if (chip->poll_time > 0)
cancel_delayed_work_sync(&chip->work);

- if (chip->flags & SBS_FLAGS_TI_BQ20Z75) {
+ if (chip->flags & SBS_FLAGS_TI_BQ20ZX5) {
/* Write to manufacturer access with sleep command. */
ret = sbs_write_word_data(client,
sbs_data[REG_MANUFACTURER_DATA].addr,
@@ -970,6 +970,7 @@ static SIMPLE_DEV_PM_OPS(sbs_pm_ops, sbs_suspend, NULL);
#endif

static const struct i2c_device_id sbs_id[] = {
+ { "bq20z65", 0 },
{ "bq20z75", 0 },
{ "sbs-battery", 1 },
{}
@@ -978,9 +979,13 @@ MODULE_DEVICE_TABLE(i2c, sbs_id);

static const struct of_device_id sbs_dt_ids[] = {
{ .compatible = "sbs,sbs-battery" },
+ {
+ .compatible = "ti,bq20z65",
+ .data = (void *)SBS_FLAGS_TI_BQ20ZX5,
+ },
{
.compatible = "ti,bq20z75",
- .data = (void *)SBS_FLAGS_TI_BQ20Z75,
+ .data = (void *)SBS_FLAGS_TI_BQ20ZX5,
},
{ }
};
--
2.26.2
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