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add rockchip patch for fusb302 to support aw3561 #456

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add rockchip patch for fusb302 to support aw3561 #456

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16 changes: 14 additions & 2 deletions drivers/usb/typec/tcpm/fusb302.c
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Original file line number Diff line number Diff line change
Expand Up @@ -105,6 +105,7 @@ struct fusb302_chip {
bool vbus_on;
bool charge_on;
bool vbus_present;
bool wakeup;
enum typec_cc_polarity cc_polarity;
enum typec_cc_status cc1;
enum typec_cc_status cc2;
Expand Down Expand Up @@ -1769,7 +1770,8 @@ static int fusb302_probe(struct i2c_client *client,
dev_err(dev, "cannot request IRQ for GPIO Int_N, ret=%d", ret);
goto tcpm_unregister_port;
}
enable_irq_wake(chip->gpio_int_n_irq);
chip->wakeup = device_property_read_bool(dev, "wakeup-source");
device_init_wakeup(dev, true);
i2c_set_clientdata(client, chip);

return ret;
Expand All @@ -1788,7 +1790,7 @@ static void fusb302_remove(struct i2c_client *client)
{
struct fusb302_chip *chip = i2c_get_clientdata(client);

disable_irq_wake(chip->gpio_int_n_irq);
device_init_wakeup(chip->dev, false);
free_irq(chip->gpio_int_n_irq, chip);
kthread_destroy_worker(chip->irq_worker);
cancel_delayed_work_sync(&chip->bc_lvl_handler);
Expand All @@ -1809,6 +1811,11 @@ static int fusb302_pm_suspend(struct device *dev)

/* Make sure any pending irq_work is finished before the bus suspends */
kthread_flush_worker(chip->irq_worker);
if (device_may_wakeup(dev) && (!chip->vbus_on || chip->wakeup))
enable_irq_wake(chip->gpio_int_n_irq);
else
disable_irq(chip->gpio_int_n_irq);

return 0;
}

Expand All @@ -1819,6 +1826,11 @@ static int fusb302_pm_resume(struct device *dev)
u8 pwr;
int ret = 0;

if (device_may_wakeup(dev) && (!chip->vbus_on || chip->wakeup))
disable_irq_wake(chip->gpio_int_n_irq);
else
enable_irq(chip->gpio_int_n_irq);

/*
* When the power of fusb302 is lost or i2c read failed in PM S/R
* process, we must reset the tcpm port first to ensure the devices
Expand Down
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