Adding upstream version 5.10.209.upstream/5.10.209upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 695 insertions, 0 deletions

diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
new file mode 100644
index 000000000..25e288388
--- /dev/null
+++ b/drivers/power/supply/axp20x_usb_power.c
@@ -0,0 +1,695 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * AXP20x PMIC USB power supply status driver
+ *
+ * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
+ * Copyright (C) 2014 Bruno Prémont <bonbons@linux-vserver.org>
+ */
+
+#include <linux/bitops.h>
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/axp20x.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/power_supply.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/iio/consumer.h>
+#include <linux/workqueue.h>
+
+#define DRVNAME "axp20x-usb-power-supply"
+
+#define AXP20X_PWR_STATUS_VBUS_PRESENT	BIT(5)
+#define AXP20X_PWR_STATUS_VBUS_USED	BIT(4)
+
+#define AXP20X_USB_STATUS_VBUS_VALID	BIT(2)
+
+#define AXP20X_VBUS_PATH_SEL		BIT(7)
+#define AXP20X_VBUS_PATH_SEL_OFFSET	7
+
+#define AXP20X_VBUS_VHOLD_uV(b)		(4000000 + (((b) >> 3) & 7) * 100000)
+#define AXP20X_VBUS_VHOLD_MASK		GENMASK(5, 3)
+#define AXP20X_VBUS_VHOLD_OFFSET	3
+#define AXP20X_VBUS_CLIMIT_MASK		3
+#define AXP20X_VBUS_CLIMIT_900mA	0
+#define AXP20X_VBUS_CLIMIT_500mA	1
+#define AXP20X_VBUS_CLIMIT_100mA	2
+#define AXP20X_VBUS_CLIMIT_NONE		3
+
+#define AXP813_VBUS_CLIMIT_900mA	0
+#define AXP813_VBUS_CLIMIT_1500mA	1
+#define AXP813_VBUS_CLIMIT_2000mA	2
+#define AXP813_VBUS_CLIMIT_2500mA	3
+
+#define AXP20X_ADC_EN1_VBUS_CURR	BIT(2)
+#define AXP20X_ADC_EN1_VBUS_VOLT	BIT(3)
+
+#define AXP20X_VBUS_MON_VBUS_VALID	BIT(3)
+
+#define AXP813_BC_EN		BIT(0)
+
+/*
+ * Note do not raise the debounce time, we must report Vusb high within
+ * 100ms otherwise we get Vbus errors in musb.
+ */
+#define DEBOUNCE_TIME			msecs_to_jiffies(50)
+
+struct axp20x_usb_power {
+	struct regmap *regmap;
+	struct power_supply *supply;
+	enum axp20x_variants axp20x_id;
+	struct iio_channel *vbus_v;
+	struct iio_channel *vbus_i;
+	struct delayed_work vbus_detect;
+	unsigned int old_status;
+	unsigned int online;
+	unsigned int num_irqs;
+	unsigned int irqs[];
+};
+
+static bool axp20x_usb_vbus_needs_polling(struct axp20x_usb_power *power)
+{
+	/*
+	 * Polling is only necessary while VBUS is offline. While online, a
+	 * present->absent transition implies an online->offline transition
+	 * and will trigger the VBUS_REMOVAL IRQ.
+	 */
+	if (power->axp20x_id >= AXP221_ID && !power->online)
+		return true;
+
+	return false;
+}
+
+static irqreturn_t axp20x_usb_power_irq(int irq, void *devid)
+{
+	struct axp20x_usb_power *power = devid;
+
+	power_supply_changed(power->supply);
+
+	mod_delayed_work(system_wq, &power->vbus_detect, DEBOUNCE_TIME);
+
+	return IRQ_HANDLED;
+}
+
+static void axp20x_usb_power_poll_vbus(struct work_struct *work)
+{
+	struct axp20x_usb_power *power =
+		container_of(work, struct axp20x_usb_power, vbus_detect.work);
+	unsigned int val;
+	int ret;
+
+	ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, &val);
+	if (ret)
+		goto out;
+
+	val &= (AXP20X_PWR_STATUS_VBUS_PRESENT | AXP20X_PWR_STATUS_VBUS_USED);
+	if (val != power->old_status)
+		power_supply_changed(power->supply);
+
+	power->old_status = val;
+	power->online = val & AXP20X_PWR_STATUS_VBUS_USED;
+
+out:
+	if (axp20x_usb_vbus_needs_polling(power))
+		mod_delayed_work(system_wq, &power->vbus_detect, DEBOUNCE_TIME);
+}
+
+static int axp20x_get_current_max(struct axp20x_usb_power *power, int *val)
+{
+	unsigned int v;
+	int ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v);
+
+	if (ret)
+		return ret;
+
+	switch (v & AXP20X_VBUS_CLIMIT_MASK) {
+	case AXP20X_VBUS_CLIMIT_100mA:
+		if (power->axp20x_id == AXP221_ID)
+			*val = -1; /* No 100mA limit */
+		else
+			*val = 100000;
+		break;
+	case AXP20X_VBUS_CLIMIT_500mA:
+		*val = 500000;
+		break;
+	case AXP20X_VBUS_CLIMIT_900mA:
+		*val = 900000;
+		break;
+	case AXP20X_VBUS_CLIMIT_NONE:
+		*val = -1;
+		break;
+	}
+
+	return 0;
+}
+
+static int axp813_get_current_max(struct axp20x_usb_power *power, int *val)
+{
+	unsigned int v;
+	int ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v);
+
+	if (ret)
+		return ret;
+
+	switch (v & AXP20X_VBUS_CLIMIT_MASK) {
+	case AXP813_VBUS_CLIMIT_900mA:
+		*val = 900000;
+		break;
+	case AXP813_VBUS_CLIMIT_1500mA:
+		*val = 1500000;
+		break;
+	case AXP813_VBUS_CLIMIT_2000mA:
+		*val = 2000000;
+		break;
+	case AXP813_VBUS_CLIMIT_2500mA:
+		*val = 2500000;
+		break;
+	}
+	return 0;
+}
+
+static int axp20x_usb_power_get_property(struct power_supply *psy,
+	enum power_supply_property psp, union power_supply_propval *val)
+{
+	struct axp20x_usb_power *power = power_supply_get_drvdata(psy);
+	unsigned int input, v;
+	int ret;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+		ret = regmap_read(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, &v);
+		if (ret)
+			return ret;
+
+		val->intval = AXP20X_VBUS_VHOLD_uV(v);
+		return 0;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		if (IS_ENABLED(CONFIG_AXP20X_ADC)) {
+			ret = iio_read_channel_processed(power->vbus_v,
+							 &val->intval);
+			if (ret)
+				return ret;
+
+			/*
+			 * IIO framework gives mV but Power Supply framework
+			 * gives uV.
+			 */
+			val->intval *= 1000;
+			return 0;
+		}
+
+		ret = axp20x_read_variable_width(power->regmap,
+						 AXP20X_VBUS_V_ADC_H, 12);
+		if (ret < 0)
+			return ret;
+
+		val->intval = ret * 1700; /* 1 step = 1.7 mV */
+		return 0;
+	case POWER_SUPPLY_PROP_CURRENT_MAX:
+		if (power->axp20x_id == AXP813_ID)
+			return axp813_get_current_max(power, &val->intval);
+		return axp20x_get_current_max(power, &val->intval);
+	case POWER_SUPPLY_PROP_CURRENT_NOW:
+		if (IS_ENABLED(CONFIG_AXP20X_ADC)) {
+			ret = iio_read_channel_processed(power->vbus_i,
+							 &val->intval);
+			if (ret)
+				return ret;
+
+			/*
+			 * IIO framework gives mA but Power Supply framework
+			 * gives uA.
+			 */
+			val->intval *= 1000;
+			return 0;
+		}
+
+		ret = axp20x_read_variable_width(power->regmap,
+						 AXP20X_VBUS_I_ADC_H, 12);
+		if (ret < 0)
+			return ret;
+
+		val->intval = ret * 375; /* 1 step = 0.375 mA */
+		return 0;
+	default:
+		break;
+	}
+
+	/* All the properties below need the input-status reg value */
+	ret = regmap_read(power->regmap, AXP20X_PWR_INPUT_STATUS, &input);
+	if (ret)
+		return ret;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_HEALTH:
+		if (!(input & AXP20X_PWR_STATUS_VBUS_PRESENT)) {
+			val->intval = POWER_SUPPLY_HEALTH_UNKNOWN;
+			break;
+		}
+
+		val->intval = POWER_SUPPLY_HEALTH_GOOD;
+
+		if (power->axp20x_id == AXP202_ID) {
+			ret = regmap_read(power->regmap,
+					  AXP20X_USB_OTG_STATUS, &v);
+			if (ret)
+				return ret;
+
+			if (!(v & AXP20X_USB_STATUS_VBUS_VALID))
+				val->intval =
+					POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
+		}
+		break;
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = !!(input & AXP20X_PWR_STATUS_VBUS_PRESENT);
+		break;
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = !!(input & AXP20X_PWR_STATUS_VBUS_USED);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int axp813_usb_power_set_online(struct axp20x_usb_power *power,
+				       int intval)
+{
+	int val = !intval << AXP20X_VBUS_PATH_SEL_OFFSET;
+
+	return regmap_update_bits(power->regmap,
+				  AXP20X_VBUS_IPSOUT_MGMT,
+				  AXP20X_VBUS_PATH_SEL, val);
+}
+
+static int axp20x_usb_power_set_voltage_min(struct axp20x_usb_power *power,
+					    int intval)
+{
+	int val;
+
+	switch (intval) {
+	case 4000000:
+	case 4100000:
+	case 4200000:
+	case 4300000:
+	case 4400000:
+	case 4500000:
+	case 4600000:
+	case 4700000:
+		val = (intval - 4000000) / 100000;
+		return regmap_update_bits(power->regmap,
+					  AXP20X_VBUS_IPSOUT_MGMT,
+					  AXP20X_VBUS_VHOLD_MASK,
+					  val << AXP20X_VBUS_VHOLD_OFFSET);
+	default:
+		return -EINVAL;
+	}
+
+	return -EINVAL;
+}
+
+static int axp813_usb_power_set_current_max(struct axp20x_usb_power *power,
+					    int intval)
+{
+	int val;
+
+	switch (intval) {
+	case 900000:
+		return regmap_update_bits(power->regmap,
+					  AXP20X_VBUS_IPSOUT_MGMT,
+					  AXP20X_VBUS_CLIMIT_MASK,
+					  AXP813_VBUS_CLIMIT_900mA);
+	case 1500000:
+	case 2000000:
+	case 2500000:
+		val = (intval - 1000000) / 500000;
+		return regmap_update_bits(power->regmap,
+					  AXP20X_VBUS_IPSOUT_MGMT,
+					  AXP20X_VBUS_CLIMIT_MASK, val);
+	default:
+		return -EINVAL;
+	}
+
+	return -EINVAL;
+}
+
+static int axp20x_usb_power_set_current_max(struct axp20x_usb_power *power,
+					    int intval)
+{
+	int val;
+
+	switch (intval) {
+	case 100000:
+		if (power->axp20x_id == AXP221_ID)
+			return -EINVAL;
+		fallthrough;
+	case 500000:
+	case 900000:
+		val = (900000 - intval) / 400000;
+		return regmap_update_bits(power->regmap,
+					  AXP20X_VBUS_IPSOUT_MGMT,
+					  AXP20X_VBUS_CLIMIT_MASK, val);
+	default:
+		return -EINVAL;
+	}
+
+	return -EINVAL;
+}
+
+static int axp20x_usb_power_set_property(struct power_supply *psy,
+					 enum power_supply_property psp,
+					 const union power_supply_propval *val)
+{
+	struct axp20x_usb_power *power = power_supply_get_drvdata(psy);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		if (power->axp20x_id != AXP813_ID)
+			return -EINVAL;
+		return axp813_usb_power_set_online(power, val->intval);
+
+	case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+		return axp20x_usb_power_set_voltage_min(power, val->intval);
+
+	case POWER_SUPPLY_PROP_CURRENT_MAX:
+		if (power->axp20x_id == AXP813_ID)
+			return axp813_usb_power_set_current_max(power,
+								val->intval);
+		return axp20x_usb_power_set_current_max(power, val->intval);
+
+	default:
+		return -EINVAL;
+	}
+
+	return -EINVAL;
+}
+
+static int axp20x_usb_power_prop_writeable(struct power_supply *psy,
+					   enum power_supply_property psp)
+{
+	struct axp20x_usb_power *power = power_supply_get_drvdata(psy);
+
+	/*
+	 * The VBUS path select flag works differently on on AXP288 and newer:
+	 *  - On AXP20x and AXP22x, the flag enables VBUS (ignoring N_VBUSEN).
+	 *  - On AXP288 and AXP8xx, the flag disables VBUS (ignoring N_VBUSEN).
+	 * We only expose the control on variants where it can be used to force
+	 * the VBUS input offline.
+	 */
+	if (psp == POWER_SUPPLY_PROP_ONLINE)
+		return power->axp20x_id == AXP813_ID;
+
+	return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN ||
+	       psp == POWER_SUPPLY_PROP_CURRENT_MAX;
+}
+
+static enum power_supply_property axp20x_usb_power_properties[] = {
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_VOLTAGE_MIN,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_CURRENT_MAX,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+};
+
+static enum power_supply_property axp22x_usb_power_properties[] = {
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_VOLTAGE_MIN,
+	POWER_SUPPLY_PROP_CURRENT_MAX,
+};
+
+static const struct power_supply_desc axp20x_usb_power_desc = {
+	.name = "axp20x-usb",
+	.type = POWER_SUPPLY_TYPE_USB,
+	.properties = axp20x_usb_power_properties,
+	.num_properties = ARRAY_SIZE(axp20x_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,
+};
+
+static const struct power_supply_desc axp22x_usb_power_desc = {
+	.name = "axp20x-usb",
+	.type = POWER_SUPPLY_TYPE_USB,
+	.properties = axp22x_usb_power_properties,
+	.num_properties = ARRAY_SIZE(axp22x_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,
+};
+
+static const char * const axp20x_irq_names[] = {
+	"VBUS_PLUGIN",
+	"VBUS_REMOVAL",
+	"VBUS_VALID",
+	"VBUS_NOT_VALID",
+};
+
+static const char * const axp22x_irq_names[] = {
+	"VBUS_PLUGIN",
+	"VBUS_REMOVAL",
+};
+
+struct axp_data {
+	const struct power_supply_desc	*power_desc;
+	const char * const		*irq_names;
+	unsigned int			num_irq_names;
+	enum axp20x_variants		axp20x_id;
+};
+
+static const struct axp_data axp202_data = {
+	.power_desc	= &axp20x_usb_power_desc,
+	.irq_names	= axp20x_irq_names,
+	.num_irq_names	= ARRAY_SIZE(axp20x_irq_names),
+	.axp20x_id	= AXP202_ID,
+};
+
+static const struct axp_data axp221_data = {
+	.power_desc	= &axp22x_usb_power_desc,
+	.irq_names	= axp22x_irq_names,
+	.num_irq_names	= ARRAY_SIZE(axp22x_irq_names),
+	.axp20x_id	= AXP221_ID,
+};
+
+static const struct axp_data axp223_data = {
+	.power_desc	= &axp22x_usb_power_desc,
+	.irq_names	= axp22x_irq_names,
+	.num_irq_names	= ARRAY_SIZE(axp22x_irq_names),
+	.axp20x_id	= AXP223_ID,
+};
+
+static const struct axp_data axp813_data = {
+	.power_desc	= &axp22x_usb_power_desc,
+	.irq_names	= axp22x_irq_names,
+	.num_irq_names	= ARRAY_SIZE(axp22x_irq_names),
+	.axp20x_id	= AXP813_ID,
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int axp20x_usb_power_suspend(struct device *dev)
+{
+	struct axp20x_usb_power *power = dev_get_drvdata(dev);
+	int i = 0;
+
+	/*
+	 * Allow wake via VBUS_PLUGIN only.
+	 *
+	 * As nested threaded IRQs are not automatically disabled during
+	 * suspend, we must explicitly disable the remainder of the IRQs.
+	 */
+	if (device_may_wakeup(&power->supply->dev))
+		enable_irq_wake(power->irqs[i++]);
+	while (i < power->num_irqs)
+		disable_irq(power->irqs[i++]);
+
+	return 0;
+}
+
+static int axp20x_usb_power_resume(struct device *dev)
+{
+	struct axp20x_usb_power *power = dev_get_drvdata(dev);
+	int i = 0;
+
+	if (device_may_wakeup(&power->supply->dev))
+		disable_irq_wake(power->irqs[i++]);
+	while (i < power->num_irqs)
+		enable_irq(power->irqs[i++]);
+
+	mod_delayed_work(system_wq, &power->vbus_detect, DEBOUNCE_TIME);
+
+	return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(axp20x_usb_power_pm_ops, axp20x_usb_power_suspend,
+						  axp20x_usb_power_resume);
+
+static int configure_iio_channels(struct platform_device *pdev,
+				  struct axp20x_usb_power *power)
+{
+	power->vbus_v = devm_iio_channel_get(&pdev->dev, "vbus_v");
+	if (IS_ERR(power->vbus_v)) {
+		if (PTR_ERR(power->vbus_v) == -ENODEV)
+			return -EPROBE_DEFER;
+		return PTR_ERR(power->vbus_v);
+	}
+
+	power->vbus_i = devm_iio_channel_get(&pdev->dev, "vbus_i");
+	if (IS_ERR(power->vbus_i)) {
+		if (PTR_ERR(power->vbus_i) == -ENODEV)
+			return -EPROBE_DEFER;
+		return PTR_ERR(power->vbus_i);
+	}
+
+	return 0;
+}
+
+static int configure_adc_registers(struct axp20x_usb_power *power)
+{
+	/* Enable vbus voltage and current measurement */
+	return regmap_update_bits(power->regmap, AXP20X_ADC_EN1,
+				  AXP20X_ADC_EN1_VBUS_CURR |
+				  AXP20X_ADC_EN1_VBUS_VOLT,
+				  AXP20X_ADC_EN1_VBUS_CURR |
+				  AXP20X_ADC_EN1_VBUS_VOLT);
+}
+
+static int axp20x_usb_power_probe(struct platform_device *pdev)
+{
+	struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
+	struct power_supply_config psy_cfg = {};
+	struct axp20x_usb_power *power;
+	const struct axp_data *axp_data;
+	int i, irq, ret;
+
+	if (!of_device_is_available(pdev->dev.of_node))
+		return -ENODEV;
+
+	if (!axp20x) {
+		dev_err(&pdev->dev, "Parent drvdata not set\n");
+		return -EINVAL;
+	}
+
+	axp_data = of_device_get_match_data(&pdev->dev);
+
+	power = devm_kzalloc(&pdev->dev,
+			     struct_size(power, irqs, axp_data->num_irq_names),
+			     GFP_KERNEL);
+	if (!power)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, power);
+
+	power->axp20x_id = axp_data->axp20x_id;
+	power->regmap = axp20x->regmap;
+	power->num_irqs = axp_data->num_irq_names;
+	INIT_DELAYED_WORK(&power->vbus_detect, axp20x_usb_power_poll_vbus);
+
+	if (power->axp20x_id == AXP202_ID) {
+		/* Enable vbus valid checking */
+		ret = regmap_update_bits(power->regmap, AXP20X_VBUS_MON,
+					 AXP20X_VBUS_MON_VBUS_VALID,
+					 AXP20X_VBUS_MON_VBUS_VALID);
+		if (ret)
+			return ret;
+
+		if (IS_ENABLED(CONFIG_AXP20X_ADC))
+			ret = configure_iio_channels(pdev, power);
+		else
+			ret = configure_adc_registers(power);
+
+		if (ret)
+			return ret;
+	}
+
+	if (power->axp20x_id == AXP813_ID) {
+		/* Enable USB Battery Charging specification detection */
+		regmap_update_bits(axp20x->regmap, AXP288_BC_GLOBAL,
+				   AXP813_BC_EN, AXP813_BC_EN);
+	}
+
+	psy_cfg.of_node = pdev->dev.of_node;
+	psy_cfg.drv_data = power;
+
+	power->supply = devm_power_supply_register(&pdev->dev,
+						   axp_data->power_desc,
+						   &psy_cfg);
+	if (IS_ERR(power->supply))
+		return PTR_ERR(power->supply);
+
+	/* Request irqs after registering, as irqs may trigger immediately */
+	for (i = 0; i < axp_data->num_irq_names; i++) {
+		irq = platform_get_irq_byname(pdev, axp_data->irq_names[i]);
+		if (irq < 0) {
+			dev_err(&pdev->dev, "No IRQ for %s: %d\n",
+				axp_data->irq_names[i], irq);
+			return irq;
+		}
+		power->irqs[i] = regmap_irq_get_virq(axp20x->regmap_irqc, irq);
+		ret = devm_request_any_context_irq(&pdev->dev, power->irqs[i],
+						   axp20x_usb_power_irq, 0,
+						   DRVNAME, power);
+		if (ret < 0) {
+			dev_err(&pdev->dev, "Error requesting %s IRQ: %d\n",
+				axp_data->irq_names[i], ret);
+			return ret;
+		}
+	}
+
+	if (axp20x_usb_vbus_needs_polling(power))
+		queue_delayed_work(system_wq, &power->vbus_detect, 0);
+
+	return 0;
+}
+
+static int axp20x_usb_power_remove(struct platform_device *pdev)
+{
+	struct axp20x_usb_power *power = platform_get_drvdata(pdev);
+
+	cancel_delayed_work_sync(&power->vbus_detect);
+
+	return 0;
+}
+
+static const struct of_device_id axp20x_usb_power_match[] = {
+	{
+		.compatible = "x-powers,axp202-usb-power-supply",
+		.data = &axp202_data,
+	}, {
+		.compatible = "x-powers,axp221-usb-power-supply",
+		.data = &axp221_data,
+	}, {
+		.compatible = "x-powers,axp223-usb-power-supply",
+		.data = &axp223_data,
+	}, {
+		.compatible = "x-powers,axp813-usb-power-supply",
+		.data = &axp813_data,
+	}, { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, axp20x_usb_power_match);
+
+static struct platform_driver axp20x_usb_power_driver = {
+	.probe = axp20x_usb_power_probe,
+	.remove = axp20x_usb_power_remove,
+	.driver = {
+		.name		= DRVNAME,
+		.of_match_table	= axp20x_usb_power_match,
+		.pm		= &axp20x_usb_power_pm_ops,
+	},
+};
+
+module_platform_driver(axp20x_usb_power_driver);
+
+MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
+MODULE_DESCRIPTION("AXP20x PMIC USB power supply status driver");
+MODULE_LICENSE("GPL");