Commit 64024ac7 authored by Jonathan Tinkham's avatar Jonathan Tinkham Committed by Sebastian Reichel
Browse files

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: default avatarJonathan Tinkham <sctincman@gmail.com>
Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parent a60da83f

drivers/power/bq24735-charger.c

+11 −0
Original line number Diff line number Diff line
@@ -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;

}

include/linux/power/bq24735-charger.h

+2 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ struct bq24735_platform { 
	int status_gpio_active_low;

	bool status_gpio_valid;



	bool ext_control;



	char **supplied_to;

	size_t num_supplicants;

};

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