--- /dev/null
- u32 vdo[3];
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for TI TPS6598x USB Power Delivery controller family
+ *
+ * Copyright (C) 2017, Intel Corporation
+ * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/acpi.h>
+#include <linux/module.h>
+#include <linux/power_supply.h>
+#include <linux/regmap.h>
+#include <linux/interrupt.h>
+#include <linux/usb/typec.h>
+#include <linux/usb/role.h>
+
+#include "tps6598x.h"
+#include "trace.h"
+
+/* Register offsets */
+#define TPS_REG_VID 0x00
+#define TPS_REG_MODE 0x03
+#define TPS_REG_CMD1 0x08
+#define TPS_REG_DATA1 0x09
+#define TPS_REG_INT_EVENT1 0x14
+#define TPS_REG_INT_EVENT2 0x15
+#define TPS_REG_INT_MASK1 0x16
+#define TPS_REG_INT_MASK2 0x17
+#define TPS_REG_INT_CLEAR1 0x18
+#define TPS_REG_INT_CLEAR2 0x19
+#define TPS_REG_STATUS 0x1a
+#define TPS_REG_SYSTEM_CONF 0x28
+#define TPS_REG_CTRL_CONF 0x29
+#define TPS_REG_POWER_STATUS 0x3f
+#define TPS_REG_RX_IDENTITY_SOP 0x48
+#define TPS_REG_DATA_STATUS 0x5f
+
+/* TPS_REG_SYSTEM_CONF bits */
+#define TPS_SYSCONF_PORTINFO(c) ((c) & 7)
+
+enum {
+ TPS_PORTINFO_SINK,
+ TPS_PORTINFO_SINK_ACCESSORY,
+ TPS_PORTINFO_DRP_UFP,
+ TPS_PORTINFO_DRP_UFP_DRD,
+ TPS_PORTINFO_DRP_DFP,
+ TPS_PORTINFO_DRP_DFP_DRD,
+ TPS_PORTINFO_SOURCE,
+};
+
+/* TPS_REG_RX_IDENTITY_SOP */
+struct tps6598x_rx_identity_reg {
+ u8 status;
+ struct usb_pd_identity identity;
+} __packed;
+
+/* Standard Task return codes */
+#define TPS_TASK_TIMEOUT 1
+#define TPS_TASK_REJECTED 3
+
+enum {
+ TPS_MODE_APP,
+ TPS_MODE_BOOT,
+ TPS_MODE_BIST,
+ TPS_MODE_DISC,
+};
+
+static const char *const modes[] = {
+ [TPS_MODE_APP] = "APP ",
+ [TPS_MODE_BOOT] = "BOOT",
+ [TPS_MODE_BIST] = "BIST",
+ [TPS_MODE_DISC] = "DISC",
+};
+
+/* Unrecognized commands will be replaced with "!CMD" */
+#define INVALID_CMD(_cmd_) (_cmd_ == 0x444d4321)
+
+struct tps6598x {
+ struct device *dev;
+ struct regmap *regmap;
+ struct mutex lock; /* device lock */
+ u8 i2c_protocol:1;
+
+ struct typec_port *port;
+ struct typec_partner *partner;
+ struct usb_pd_identity partner_identity;
+ struct usb_role_switch *role_sw;
+ struct typec_capability typec_cap;
+
+ struct power_supply *psy;
+ struct power_supply_desc psy_desc;
+ enum power_supply_usb_type usb_type;
+};
+
+static enum power_supply_property tps6598x_psy_props[] = {
+ POWER_SUPPLY_PROP_USB_TYPE,
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+static enum power_supply_usb_type tps6598x_psy_usb_types[] = {
+ POWER_SUPPLY_USB_TYPE_C,
+ POWER_SUPPLY_USB_TYPE_PD,
+};
+
+static const char *tps6598x_psy_name_prefix = "tps6598x-source-psy-";
+
+/*
+ * Max data bytes for Data1, Data2, and other registers. See ch 1.3.2:
+ * https://www.ti.com/lit/ug/slvuan1a/slvuan1a.pdf
+ */
+#define TPS_MAX_LEN 64
+
+static int
+tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len)
+{
+ u8 data[TPS_MAX_LEN + 1];
+ int ret;
+
+ if (WARN_ON(len + 1 > sizeof(data)))
+ return -EINVAL;
+
+ if (!tps->i2c_protocol)
+ return regmap_raw_read(tps->regmap, reg, val, len);
+
+ ret = regmap_raw_read(tps->regmap, reg, data, sizeof(data));
+ if (ret)
+ return ret;
+
+ if (data[0] < len)
+ return -EIO;
+
+ memcpy(val, &data[1], len);
+ return 0;
+}
+
+static int tps6598x_block_write(struct tps6598x *tps, u8 reg,
+ const void *val, size_t len)
+{
+ u8 data[TPS_MAX_LEN + 1];
+
+ if (!tps->i2c_protocol)
+ return regmap_raw_write(tps->regmap, reg, val, len);
+
+ data[0] = len;
+ memcpy(&data[1], val, len);
+
+ return regmap_raw_write(tps->regmap, reg, data, sizeof(data));
+}
+
+static inline int tps6598x_read16(struct tps6598x *tps, u8 reg, u16 *val)
+{
+ return tps6598x_block_read(tps, reg, val, sizeof(u16));
+}
+
+static inline int tps6598x_read32(struct tps6598x *tps, u8 reg, u32 *val)
+{
+ return tps6598x_block_read(tps, reg, val, sizeof(u32));
+}
+
+static inline int tps6598x_read64(struct tps6598x *tps, u8 reg, u64 *val)
+{
+ return tps6598x_block_read(tps, reg, val, sizeof(u64));
+}
+
+static inline int tps6598x_write16(struct tps6598x *tps, u8 reg, u16 val)
+{
+ return tps6598x_block_write(tps, reg, &val, sizeof(u16));
+}
+
+static inline int tps6598x_write32(struct tps6598x *tps, u8 reg, u32 val)
+{
+ return tps6598x_block_write(tps, reg, &val, sizeof(u32));
+}
+
+static inline int tps6598x_write64(struct tps6598x *tps, u8 reg, u64 val)
+{
+ return tps6598x_block_write(tps, reg, &val, sizeof(u64));
+}
+
+static inline int
+tps6598x_write_4cc(struct tps6598x *tps, u8 reg, const char *val)
+{
+ return tps6598x_block_write(tps, reg, val, 4);
+}
+
+static int tps6598x_read_partner_identity(struct tps6598x *tps)
+{
+ struct tps6598x_rx_identity_reg id;
+ int ret;
+
+ ret = tps6598x_block_read(tps, TPS_REG_RX_IDENTITY_SOP,
+ &id, sizeof(id));
+ if (ret)
+ return ret;
+
+ tps->partner_identity = id.identity;
+
+ return 0;
+}
+
+static void tps6598x_set_data_role(struct tps6598x *tps,
+ enum typec_data_role role, bool connected)
+{
+ enum usb_role role_val;
+
+ if (role == TYPEC_HOST)
+ role_val = USB_ROLE_HOST;
+ else
+ role_val = USB_ROLE_DEVICE;
+
+ if (!connected)
+ role_val = USB_ROLE_NONE;
+
+ usb_role_switch_set_role(tps->role_sw, role_val);
+ typec_set_data_role(tps->port, role);
+}
+
+static int tps6598x_connect(struct tps6598x *tps, u32 status)
+{
+ struct typec_partner_desc desc;
+ enum typec_pwr_opmode mode;
+ u16 pwr_status;
+ int ret;
+
+ if (tps->partner)
+ return 0;
+
+ ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
+ if (ret < 0)
+ return ret;
+
+ mode = TPS_POWER_STATUS_PWROPMODE(pwr_status);
+
+ desc.usb_pd = mode == TYPEC_PWR_MODE_PD;
+ desc.accessory = TYPEC_ACCESSORY_NONE; /* XXX: handle accessories */
+ desc.identity = NULL;
+
+ if (desc.usb_pd) {
+ ret = tps6598x_read_partner_identity(tps);
+ if (ret)
+ return ret;
+ desc.identity = &tps->partner_identity;
+ }
+
+ typec_set_pwr_opmode(tps->port, mode);
+ typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status));
+ typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status));
+ tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), true);
+
+ tps->partner = typec_register_partner(tps->port, &desc);
+ if (IS_ERR(tps->partner))
+ return PTR_ERR(tps->partner);
+
+ if (desc.identity)
+ typec_partner_set_identity(tps->partner);
+
+ power_supply_changed(tps->psy);
+
+ return 0;
+}
+
+static void tps6598x_disconnect(struct tps6598x *tps, u32 status)
+{
+ if (!IS_ERR(tps->partner))
+ typec_unregister_partner(tps->partner);
+ tps->partner = NULL;
+ typec_set_pwr_opmode(tps->port, TYPEC_PWR_MODE_USB);
+ typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status));
+ typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status));
+ tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), false);
+
+ power_supply_changed(tps->psy);
+}
+
+static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd,
+ size_t in_len, u8 *in_data,
+ size_t out_len, u8 *out_data)
+{
+ unsigned long timeout;
+ u32 val;
+ int ret;
+
+ ret = tps6598x_read32(tps, TPS_REG_CMD1, &val);
+ if (ret)
+ return ret;
+ if (val && !INVALID_CMD(val))
+ return -EBUSY;
+
+ if (in_len) {
+ ret = tps6598x_block_write(tps, TPS_REG_DATA1,
+ in_data, in_len);
+ if (ret)
+ return ret;
+ }
+
+ ret = tps6598x_write_4cc(tps, TPS_REG_CMD1, cmd);
+ if (ret < 0)
+ return ret;
+
+ /* XXX: Using 1s for now, but it may not be enough for every command. */
+ timeout = jiffies + msecs_to_jiffies(1000);
+
+ do {
+ ret = tps6598x_read32(tps, TPS_REG_CMD1, &val);
+ if (ret)
+ return ret;
+ if (INVALID_CMD(val))
+ return -EINVAL;
+
+ if (time_is_before_jiffies(timeout))
+ return -ETIMEDOUT;
+ } while (val);
+
+ if (out_len) {
+ ret = tps6598x_block_read(tps, TPS_REG_DATA1,
+ out_data, out_len);
+ if (ret)
+ return ret;
+ val = out_data[0];
+ } else {
+ ret = tps6598x_block_read(tps, TPS_REG_DATA1, &val, sizeof(u8));
+ if (ret)
+ return ret;
+ }
+
+ switch (val) {
+ case TPS_TASK_TIMEOUT:
+ return -ETIMEDOUT;
+ case TPS_TASK_REJECTED:
+ return -EPERM;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int tps6598x_dr_set(struct typec_port *port, enum typec_data_role role)
+{
+ const char *cmd = (role == TYPEC_DEVICE) ? "SWUF" : "SWDF";
+ struct tps6598x *tps = typec_get_drvdata(port);
+ u32 status;
+ int ret;
+
+ mutex_lock(&tps->lock);
+
+ ret = tps6598x_exec_cmd(tps, cmd, 0, NULL, 0, NULL);
+ if (ret)
+ goto out_unlock;
+
+ ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
+ if (ret)
+ goto out_unlock;
+
+ if (role != TPS_STATUS_TO_TYPEC_DATAROLE(status)) {
+ ret = -EPROTO;
+ goto out_unlock;
+ }
+
+ tps6598x_set_data_role(tps, role, true);
+
+out_unlock:
+ mutex_unlock(&tps->lock);
+
+ return ret;
+}
+
+static int tps6598x_pr_set(struct typec_port *port, enum typec_role role)
+{
+ const char *cmd = (role == TYPEC_SINK) ? "SWSk" : "SWSr";
+ struct tps6598x *tps = typec_get_drvdata(port);
+ u32 status;
+ int ret;
+
+ mutex_lock(&tps->lock);
+
+ ret = tps6598x_exec_cmd(tps, cmd, 0, NULL, 0, NULL);
+ if (ret)
+ goto out_unlock;
+
+ ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
+ if (ret)
+ goto out_unlock;
+
+ if (role != TPS_STATUS_TO_TYPEC_PORTROLE(status)) {
+ ret = -EPROTO;
+ goto out_unlock;
+ }
+
+ typec_set_pwr_role(tps->port, role);
+
+out_unlock:
+ mutex_unlock(&tps->lock);
+
+ return ret;
+}
+
+static const struct typec_operations tps6598x_ops = {
+ .dr_set = tps6598x_dr_set,
+ .pr_set = tps6598x_pr_set,
+};
+
+static irqreturn_t tps6598x_interrupt(int irq, void *data)
+{
+ struct tps6598x *tps = data;
+ u64 event1;
+ u64 event2;
+ u32 status, data_status;
+ u16 pwr_status;
+ int ret;
+
+ mutex_lock(&tps->lock);
+
+ ret = tps6598x_read64(tps, TPS_REG_INT_EVENT1, &event1);
+ ret |= tps6598x_read64(tps, TPS_REG_INT_EVENT2, &event2);
+ if (ret) {
+ dev_err(tps->dev, "%s: failed to read events\n", __func__);
+ goto err_unlock;
+ }
+ trace_tps6598x_irq(event1, event2);
+
+ ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
+ if (ret) {
+ dev_err(tps->dev, "%s: failed to read status\n", __func__);
+ goto err_clear_ints;
+ }
+ trace_tps6598x_status(status);
+
+ if ((event1 | event2) & TPS_REG_INT_POWER_STATUS_UPDATE) {
+ ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
+ if (ret < 0) {
+ dev_err(tps->dev, "failed to read power status: %d\n", ret);
+ goto err_clear_ints;
+ }
+ trace_tps6598x_power_status(pwr_status);
+ }
+
+ if ((event1 | event2) & TPS_REG_INT_DATA_STATUS_UPDATE) {
+ ret = tps6598x_read32(tps, TPS_REG_DATA_STATUS, &data_status);
+ if (ret < 0) {
+ dev_err(tps->dev, "failed to read data status: %d\n", ret);
+ goto err_clear_ints;
+ }
+ trace_tps6598x_data_status(data_status);
+ }
+
+ /* Handle plug insert or removal */
+ if ((event1 | event2) & TPS_REG_INT_PLUG_EVENT) {
+ if (status & TPS_STATUS_PLUG_PRESENT) {
+ ret = tps6598x_connect(tps, status);
+ if (ret)
+ dev_err(tps->dev,
+ "failed to register partner\n");
+ } else {
+ tps6598x_disconnect(tps, status);
+ }
+ }
+
+err_clear_ints:
+ tps6598x_write64(tps, TPS_REG_INT_CLEAR1, event1);
+ tps6598x_write64(tps, TPS_REG_INT_CLEAR2, event2);
+
+err_unlock:
+ mutex_unlock(&tps->lock);
+
+ return IRQ_HANDLED;
+}
+
+static int tps6598x_check_mode(struct tps6598x *tps)
+{
+ char mode[5] = { };
+ int ret;
+
+ ret = tps6598x_read32(tps, TPS_REG_MODE, (void *)mode);
+ if (ret)
+ return ret;
+
+ switch (match_string(modes, ARRAY_SIZE(modes), mode)) {
+ case TPS_MODE_APP:
+ return 0;
+ case TPS_MODE_BOOT:
+ dev_warn(tps->dev, "dead-battery condition\n");
+ return 0;
+ case TPS_MODE_BIST:
+ case TPS_MODE_DISC:
+ default:
+ dev_err(tps->dev, "controller in unsupported mode \"%s\"\n",
+ mode);
+ break;
+ }
+
+ return -ENODEV;
+}
+
+static const struct regmap_config tps6598x_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x7F,
+};
+
+static int tps6598x_psy_get_online(struct tps6598x *tps,
+ union power_supply_propval *val)
+{
+ int ret;
+ u16 pwr_status;
+
+ ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
+ if (ret < 0)
+ return ret;
+
+ if (TPS_POWER_STATUS_CONNECTION(pwr_status) &&
+ TPS_POWER_STATUS_SOURCESINK(pwr_status)) {
+ val->intval = 1;
+ } else {
+ val->intval = 0;
+ }
+ return 0;
+}
+
+static int tps6598x_psy_get_prop(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct tps6598x *tps = power_supply_get_drvdata(psy);
+ u16 pwr_status;
+ int ret = 0;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_USB_TYPE:
+ ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status);
+ if (ret < 0)
+ return ret;
+ if (TPS_POWER_STATUS_PWROPMODE(pwr_status) == TYPEC_PWR_MODE_PD)
+ val->intval = POWER_SUPPLY_USB_TYPE_PD;
+ else
+ val->intval = POWER_SUPPLY_USB_TYPE_C;
+ break;
+ case POWER_SUPPLY_PROP_ONLINE:
+ ret = tps6598x_psy_get_online(tps, val);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int devm_tps6598_psy_register(struct tps6598x *tps)
+{
+ struct power_supply_config psy_cfg = {};
+ const char *port_dev_name = dev_name(tps->dev);
+ char *psy_name;
+
+ psy_cfg.drv_data = tps;
+ psy_cfg.fwnode = dev_fwnode(tps->dev);
+
+ psy_name = devm_kasprintf(tps->dev, GFP_KERNEL, "%s%s", tps6598x_psy_name_prefix,
+ port_dev_name);
+ if (!psy_name)
+ return -ENOMEM;
+
+ tps->psy_desc.name = psy_name;
+ tps->psy_desc.type = POWER_SUPPLY_TYPE_USB;
+ tps->psy_desc.usb_types = tps6598x_psy_usb_types;
+ tps->psy_desc.num_usb_types = ARRAY_SIZE(tps6598x_psy_usb_types);
+ tps->psy_desc.properties = tps6598x_psy_props;
+ tps->psy_desc.num_properties = ARRAY_SIZE(tps6598x_psy_props);
+ tps->psy_desc.get_property = tps6598x_psy_get_prop;
+
+ tps->usb_type = POWER_SUPPLY_USB_TYPE_C;
+
+ tps->psy = devm_power_supply_register(tps->dev, &tps->psy_desc,
+ &psy_cfg);
+ return PTR_ERR_OR_ZERO(tps->psy);
+}
+
+static int tps6598x_probe(struct i2c_client *client)
+{
+ struct typec_capability typec_cap = { };
+ struct tps6598x *tps;
+ struct fwnode_handle *fwnode;
+ u32 status;
+ u32 conf;
+ u32 vid;
+ int ret;
+
+ tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
+ if (!tps)
+ return -ENOMEM;
+
+ mutex_init(&tps->lock);
+ tps->dev = &client->dev;
+
+ tps->regmap = devm_regmap_init_i2c(client, &tps6598x_regmap_config);
+ if (IS_ERR(tps->regmap))
+ return PTR_ERR(tps->regmap);
+
+ ret = tps6598x_read32(tps, TPS_REG_VID, &vid);
+ if (ret < 0 || !vid)
+ return -ENODEV;
+
+ /*
+ * Checking can the adapter handle SMBus protocol. If it can not, the
+ * driver needs to take care of block reads separately.
+ *
+ * FIXME: Testing with I2C_FUNC_I2C. regmap-i2c uses I2C protocol
+ * unconditionally if the adapter has I2C_FUNC_I2C set.
+ */
+ if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
+ tps->i2c_protocol = true;
+
+ /* Make sure the controller has application firmware running */
+ ret = tps6598x_check_mode(tps);
+ if (ret)
+ return ret;
+
+ ret = tps6598x_read32(tps, TPS_REG_STATUS, &status);
+ if (ret < 0)
+ return ret;
+ trace_tps6598x_status(status);
+
+ ret = tps6598x_read32(tps, TPS_REG_SYSTEM_CONF, &conf);
+ if (ret < 0)
+ return ret;
+
+ fwnode = device_get_named_child_node(&client->dev, "connector");
+ if (!fwnode)
+ return -ENODEV;
+
+ tps->role_sw = fwnode_usb_role_switch_get(fwnode);
+ if (IS_ERR(tps->role_sw)) {
+ ret = PTR_ERR(tps->role_sw);
+ goto err_fwnode_put;
+ }
+
+ typec_cap.revision = USB_TYPEC_REV_1_2;
+ typec_cap.pd_revision = 0x200;
+ typec_cap.prefer_role = TYPEC_NO_PREFERRED_ROLE;
+ typec_cap.driver_data = tps;
+ typec_cap.ops = &tps6598x_ops;
+ typec_cap.fwnode = fwnode;
+
+ switch (TPS_SYSCONF_PORTINFO(conf)) {
+ case TPS_PORTINFO_SINK_ACCESSORY:
+ case TPS_PORTINFO_SINK:
+ typec_cap.type = TYPEC_PORT_SNK;
+ typec_cap.data = TYPEC_PORT_UFP;
+ break;
+ case TPS_PORTINFO_DRP_UFP_DRD:
+ case TPS_PORTINFO_DRP_DFP_DRD:
+ typec_cap.type = TYPEC_PORT_DRP;
+ typec_cap.data = TYPEC_PORT_DRD;
+ break;
+ case TPS_PORTINFO_DRP_UFP:
+ typec_cap.type = TYPEC_PORT_DRP;
+ typec_cap.data = TYPEC_PORT_UFP;
+ break;
+ case TPS_PORTINFO_DRP_DFP:
+ typec_cap.type = TYPEC_PORT_DRP;
+ typec_cap.data = TYPEC_PORT_DFP;
+ break;
+ case TPS_PORTINFO_SOURCE:
+ typec_cap.type = TYPEC_PORT_SRC;
+ typec_cap.data = TYPEC_PORT_DFP;
+ break;
+ default:
+ ret = -ENODEV;
+ goto err_role_put;
+ }
+
+ ret = devm_tps6598_psy_register(tps);
+ if (ret)
+ return ret;
+
+ tps->port = typec_register_port(&client->dev, &typec_cap);
+ if (IS_ERR(tps->port)) {
+ ret = PTR_ERR(tps->port);
+ goto err_role_put;
+ }
+ fwnode_handle_put(fwnode);
+
+ if (status & TPS_STATUS_PLUG_PRESENT) {
+ ret = tps6598x_connect(tps, status);
+ if (ret)
+ dev_err(&client->dev, "failed to register partner\n");
+ }
+
+ ret = devm_request_threaded_irq(&client->dev, client->irq, NULL,
+ tps6598x_interrupt,
+ IRQF_SHARED | IRQF_ONESHOT,
+ dev_name(&client->dev), tps);
+ if (ret) {
+ tps6598x_disconnect(tps, 0);
+ typec_unregister_port(tps->port);
+ goto err_role_put;
+ }
+
+ i2c_set_clientdata(client, tps);
+
+ return 0;
+
+err_role_put:
+ usb_role_switch_put(tps->role_sw);
+err_fwnode_put:
+ fwnode_handle_put(fwnode);
+
+ return ret;
+}
+
+static int tps6598x_remove(struct i2c_client *client)
+{
+ struct tps6598x *tps = i2c_get_clientdata(client);
+
+ tps6598x_disconnect(tps, 0);
+ typec_unregister_port(tps->port);
+ usb_role_switch_put(tps->role_sw);
+
+ return 0;
+}
+
+static const struct of_device_id tps6598x_of_match[] = {
+ { .compatible = "ti,tps6598x", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, tps6598x_of_match);
+
+static const struct i2c_device_id tps6598x_id[] = {
+ { "tps6598x" },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tps6598x_id);
+
+static struct i2c_driver tps6598x_i2c_driver = {
+ .driver = {
+ .name = "tps6598x",
+ .of_match_table = tps6598x_of_match,
+ },
+ .probe_new = tps6598x_probe,
+ .remove = tps6598x_remove,
+ .id_table = tps6598x_id,
+};
+module_i2c_driver(tps6598x_i2c_driver);
+
+MODULE_AUTHOR("Heikki Krogerus <heikki.krogerus@linux.intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("TI TPS6598x USB Power Delivery Controller Driver");
projects / linux-2.6-microblaze.git / commitdiff