@@ -55,6 +55,7 @@ struct axp_data {
struct reg_field vbus_valid_bit;
struct reg_field vbus_mon_bit;
struct reg_field usb_bc_en_bit;
+ struct reg_field usb_bc_det_fld;
struct reg_field vbus_disable_bit;
bool vbus_needs_polling: 1;
};
@@ -66,6 +67,7 @@ struct axp20x_usb_power {
struct regmap_field *vbus_valid_bit;
struct regmap_field *vbus_mon_bit;
struct regmap_field *usb_bc_en_bit;
+ struct regmap_field *usb_bc_det_fld;
struct regmap_field *vbus_disable_bit;
struct power_supply *supply;
const struct axp_data *axp_data;
@@ -134,6 +136,37 @@ static void axp20x_usb_power_poll_vbus(struct work_struct *work)
mod_delayed_work(system_power_efficient_wq, &power->vbus_detect, DEBOUNCE_TIME);
}
+static int axp20x_get_usb_type(struct axp20x_usb_power *power,
+ union power_supply_propval *val)
+{
+ unsigned int reg;
+ int ret;
+
+ if (!power->usb_bc_det_fld)
+ return -EINVAL;
+
+ ret = regmap_field_read(power->usb_bc_det_fld, ®);
+ if (ret)
+ return ret;
+
+ switch (reg) {
+ case 1:
+ val->intval = POWER_SUPPLY_USB_TYPE_SDP;
+ break;
+ case 2:
+ val->intval = POWER_SUPPLY_USB_TYPE_CDP;
+ break;
+ case 3:
+ val->intval = POWER_SUPPLY_USB_TYPE_DCP;
+ break;
+ default:
+ val->intval = POWER_SUPPLY_USB_TYPE_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
static int axp20x_usb_power_get_property(struct power_supply *psy,
enum power_supply_property psp, union power_supply_propval *val)
{
@@ -204,6 +237,9 @@ static int axp20x_usb_power_get_property(struct power_supply *psy,
val->intval = ret * 375; /* 1 step = 0.375 mA */
return 0;
+
+ case POWER_SUPPLY_PROP_USB_TYPE:
+ return axp20x_get_usb_type(power, val);
default:
break;
}
@@ -367,6 +403,22 @@ static enum power_supply_property axp22x_usb_power_properties[] = {
POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
};
+static enum power_supply_property axp813_usb_power_properties[] = {
+ POWER_SUPPLY_PROP_HEALTH,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_ONLINE,
+ POWER_SUPPLY_PROP_VOLTAGE_MIN,
+ POWER_SUPPLY_PROP_INPUT_CURRENT_LIMIT,
+ POWER_SUPPLY_PROP_USB_TYPE,
+};
+
+static enum power_supply_usb_type axp813_usb_types[] = {
+ POWER_SUPPLY_USB_TYPE_SDP,
+ POWER_SUPPLY_USB_TYPE_DCP,
+ POWER_SUPPLY_USB_TYPE_CDP,
+ POWER_SUPPLY_USB_TYPE_UNKNOWN,
+};
+
static const struct power_supply_desc axp20x_usb_power_desc = {
.name = "axp20x-usb",
.type = POWER_SUPPLY_TYPE_USB,
@@ -387,6 +439,18 @@ static const struct power_supply_desc axp22x_usb_power_desc = {
.set_property = axp20x_usb_power_set_property,
};
+static const struct power_supply_desc axp813_usb_power_desc = {
+ .name = "axp20x-usb",
+ .type = POWER_SUPPLY_TYPE_USB,
+ .properties = axp813_usb_power_properties,
+ .num_properties = ARRAY_SIZE(axp813_usb_power_properties),
+ .property_is_writeable = axp20x_usb_power_prop_writeable,
+ .get_property = axp20x_usb_power_get_property,
+ .set_property = axp20x_usb_power_set_property,
+ .usb_types = axp813_usb_types,
+ .num_usb_types = ARRAY_SIZE(axp813_usb_types),
+};
+
static const char * const axp20x_irq_names[] = {
"VBUS_PLUGIN",
"VBUS_REMOVAL",
@@ -475,13 +539,14 @@ static const struct axp_data axp223_data = {
};
static const struct axp_data axp813_data = {
- .power_desc = &axp22x_usb_power_desc,
+ .power_desc = &axp813_usb_power_desc,
.irq_names = axp22x_irq_names,
.num_irq_names = ARRAY_SIZE(axp22x_irq_names),
.curr_lim_table = axp813_usb_curr_lim_table,
.curr_lim_table_size = ARRAY_SIZE(axp813_usb_curr_lim_table),
.curr_lim_fld = REG_FIELD(AXP22X_CHRG_CTRL3, 4, 7),
.usb_bc_en_bit = REG_FIELD(AXP288_BC_GLOBAL, 0, 0),
+ .usb_bc_det_fld = REG_FIELD(AXP288_BC_DET_STAT, 5, 7),
.vbus_disable_bit = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 7, 7),
.vbus_needs_polling = true,
};
@@ -629,6 +694,12 @@ static int axp20x_usb_power_probe(struct platform_device *pdev)
if (ret)
return ret;
+ ret = axp20x_regmap_field_alloc_optional(&pdev->dev, power->regmap,
+ axp_data->usb_bc_det_fld,
+ &power->usb_bc_det_fld);
+ if (ret)
+ return ret;
+
ret = axp20x_regmap_field_alloc_optional(&pdev->dev, power->regmap,
axp_data->vbus_disable_bit,
&power->vbus_disable_bit);