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arm:trats:pmic: Support for charging battery at Samsung's TRATS board

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The battery connected to Samsung's Trats development board is now
charged when voltage drops below threshold.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Łukasz Majewski 2012-11-13 03:22:11 +00:00 committed by Anatolij Gustschin
parent 69ad72a10e
commit bdee9c8501
1 changed files with 48 additions and 1 deletions
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49
board/samsung/trats/trats.c
View File

@ -298,7 +298,9 @@ static int pmic_init_max8997(void)
int power_init_board(void) int power_init_board(void)
{ {
int ret; int chrg, ret;
struct power_battery *pb;
struct pmic *p_fg, *p_chrg, *p_muic, *p_bat;
ret = pmic_init(I2C_5); ret = pmic_init(I2C_5);
ret |= pmic_init_max8997(); ret |= pmic_init_max8997();
@ -308,6 +310,51 @@ int power_init_board(void)
if (ret) if (ret)
return ret; return ret;
p_fg = pmic_get("MAX17042_FG");
if (!p_fg) {
puts("MAX17042_FG: Not found\n");
return -ENODEV;
}
p_chrg = pmic_get("MAX8997_PMIC");
if (!p_chrg) {
puts("MAX8997_PMIC: Not found\n");
return -ENODEV;
}
p_muic = pmic_get("MAX8997_MUIC");
if (!p_muic) {
puts("MAX8997_MUIC: Not found\n");
return -ENODEV;
}
p_bat = pmic_get("BAT_TRATS");
if (!p_bat) {
puts("BAT_TRATS: Not found\n");
return -ENODEV;
}
p_fg->parent = p_bat;
p_chrg->parent = p_bat;
p_muic->parent = p_bat;
p_bat->low_power_mode = trats_low_power_mode;
p_bat->pbat->battery_init(p_bat, p_fg, p_chrg, p_muic);
pb = p_bat->pbat;
chrg = p_muic->chrg->chrg_type(p_muic);
debug("CHARGER TYPE: %d\n", chrg);
if (!p_chrg->chrg->chrg_bat_present(p_chrg)) {
puts("No battery detected\n");
return -1;
}
p_fg->fg->fg_battery_check(p_fg, p_bat);
if (pb->bat->state == CHARGE && chrg == CHARGER_USB)
puts("CHARGE Battery !\n");
return 0; return 0;
} }