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authorJonathan Tinkham <sctincman@gmail.com>2016-02-02 23:03:45 -0700
committerSebastian Reichel <sre@kernel.org>2016-02-15 06:36:10 +0100
commit64024ac7bb82c41265e7ba08235591d9a2709dfc (patch)
tree03c63b41b6a9fbd5aded3bbab9badbc95a1b3198 /drivers/power
parenta60da83fd8949ebd6000e2d4b2876a899e38612b (diff)
power: bq24735-charger: add 'ti,external-control' option
Implement an 'ti,external-control' option for when the charger shouldn't be configured by the host. Signed-off-by: Jonathan Tinkham <sctincman@gmail.com> Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/bq24735-charger.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/power/bq24735-charger.c b/drivers/power/bq24735-charger.c
index 022a09ceab73..fa454c19ce17 100644
--- a/drivers/power/bq24735-charger.c
+++ b/drivers/power/bq24735-charger.c
@@ -106,6 +106,9 @@ static int bq24735_update_word(struct i2c_client *client, u8 reg,
static inline int bq24735_enable_charging(struct bq24735 *charger)
{
+ if (charger->pdata->ext_control)
+ return 0;
+
return bq24735_update_word(charger->client, BQ24735_CHG_OPT,
BQ24735_CHG_OPT_CHARGE_DISABLE,
~BQ24735_CHG_OPT_CHARGE_DISABLE);
@@ -113,6 +116,9 @@ static inline int bq24735_enable_charging(struct bq24735 *charger)
static inline int bq24735_disable_charging(struct bq24735 *charger)
{
+ if (charger->pdata->ext_control)
+ return 0;
+
return bq24735_update_word(charger->client, BQ24735_CHG_OPT,
BQ24735_CHG_OPT_CHARGE_DISABLE,
BQ24735_CHG_OPT_CHARGE_DISABLE);
@@ -124,6 +130,9 @@ static int bq24735_config_charger(struct bq24735 *charger)
int ret;
u16 value;
+ if (pdata->ext_control)
+ return 0;
+
if (pdata->charge_current) {
value = pdata->charge_current & BQ24735_CHARGE_CURRENT_MASK;
@@ -322,6 +331,8 @@ static struct bq24735_platform *bq24735_parse_dt_data(struct i2c_client *client)
if (!ret)
pdata->input_current = val;
+ pdata->ext_control = of_property_read_bool(np, "ti,external-control");
+
return pdata;
}