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power: rk818-charger: set sleep otg 5v by otg_in status and dts

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Change-Id: I1b2c14dfa64fe382e05717c5e9bb6a5617badba0
Signed-off-by: Jianhong Chen <chenjh@rock-chips.com>
This commit is contained in:
Jianhong Chen
2016-12-19 14:37:53 +08:00
parent ebbbc52acc
commit 7ba1220f6b
2 changed files with 49 additions and 0 deletions
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48
drivers/power/rk818_charger.c
View File

@@ -113,6 +113,7 @@ struct charger_platform_data {
bool support_dc_det;
int virtual_power;
int sample_res;
int otg5v_suspend_enable;
bool extcon;
};
@@ -150,6 +151,7 @@ struct rk818_charger {
u8 chrg_input;
u8 chrg_current;
u8 res_div;
u8 sleep_set_off_reg1;
u8 plugin_trigger;
u8 plugout_trigger;
int plugin_irq;
@@ -1174,6 +1176,13 @@ static int rk818_cg_parse_dt(struct rk818_charger *cg)
dev_err(dev, "sample_res missing!\n");
}
ret = of_property_read_u32(np, "otg5v_suspend_enable",
&pdata->otg5v_suspend_enable);
if (ret < 0) {
pdata->otg5v_suspend_enable = 1;
dev_err(dev, "otg5v_suspend_enable missing!\n");
}
if (!is_battery_exist(cg))
pdata->virtual_power = 1;
@@ -1306,8 +1315,47 @@ static void rk818_charger_shutdown(struct platform_device *pdev)
cg->ac_in, cg->usb_in, cg->dc_in, cg->otg_in);
}
static int rk818_charger_suspend(struct platform_device *pdev,
pm_message_t state)
{
struct rk818_charger *cg = platform_get_drvdata(pdev);
cg->sleep_set_off_reg1 = rk818_reg_read(cg, RK818_SLEEP_SET_OFF_REG1);
/* enable sleep boost5v and otg5v */
if (cg->pdata->otg5v_suspend_enable) {
if ((cg->otg_in && !cg->dc_in) ||
(cg->otg_in && cg->dc_in && !cg->pdata->power_dc2otg)) {
rk818_reg_clear_bits(cg, RK818_SLEEP_SET_OFF_REG1,
OTG_BOOST_SLP_OFF);
CG_INFO("suspend: otg 5v on\n");
return 0;
}
}
/* disable sleep otg5v */
rk818_reg_set_bits(cg, RK818_SLEEP_SET_OFF_REG1,
OTG_SLP_SET_OFF, OTG_SLP_SET_OFF);
CG_INFO("suspend: otg 5v off\n");
return 0;
}
static int rk818_charger_resume(struct platform_device *pdev)
{
struct rk818_charger *cg = platform_get_drvdata(pdev);
/* resume sleep boost5v and otg5v */
rk818_reg_set_bits(cg, RK818_SLEEP_SET_OFF_REG1,
OTG_BOOST_SLP_OFF, cg->sleep_set_off_reg1);
return 0;
}
static struct platform_driver rk818_charger_driver = {
.probe = rk818_charger_probe,
.suspend = rk818_charger_suspend,
.resume = rk818_charger_resume,
.shutdown = rk818_charger_shutdown,
.driver = {
.name = "rk818-charger",

1
include/linux/mfd/rk808.h
View File

@@ -389,6 +389,7 @@ enum rk805_reg {
#define LDO9_SLP_SET_OFF BIT(5)
#define SWITCH_SLP_SET_OFF BIT(6)
#define OTG_SLP_SET_OFF BIT(7)
#define OTG_BOOST_SLP_OFF (BOOST_SLP_SET_OFF | OTG_SLP_SET_OFF)
#define BUCK1_SLP_SET_ON BIT(0)
#define BUCK2_SLP_SET_ON BIT(1)