diff options
| author | Yu Chen <chenyu56@huawei.com> | 2018-10-27 17:58:18 +0800 |
|---|---|---|
| committer | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2018-11-28 15:38:12 +0530 |
| commit | 8f06863262eb43db32cb59439d246e38d8dafcae (patch) | |
| tree | f491408795047972656f6cb014cedcf2ce8205e1 | |
| parent | 1b289a69a73a1592459469c5adcc92e0d8db93f6 (diff) | |
usb: typec: Add support for usb role switch in rt1711h driver
This patch add struct device_connection to rt1711h driver to support
find "usb-role-switch" in tcpm_register_port.
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Lucas Tsai <lucas_tsai@richtek.com>
Cc: shufan_lee <shufan_lee@richtek.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Binghui Wang <wangbinghui@hisilicon.com>
Signed-off-by: Yu Chen <chenyu56@huawei.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
| -rw-r--r-- | drivers/usb/typec/tcpci_rt1711h.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpci_rt1711h.c b/drivers/usb/typec/tcpci_rt1711h.c index 017389021b96..5f8b952612fe 100644 --- a/drivers/usb/typec/tcpci_rt1711h.c +++ b/drivers/usb/typec/tcpci_rt1711h.c @@ -39,6 +39,7 @@ struct rt1711h_chip { struct tcpci_data data; struct tcpci *tcpci; struct device *dev; + struct device_connection dev_conn; }; static int rt1711h_read16(struct rt1711h_chip *chip, unsigned int reg, u16 *val) @@ -237,6 +238,7 @@ static int rt1711h_probe(struct i2c_client *client, { int ret; struct rt1711h_chip *chip; + const char *dev_conn_end; ret = rt1711h_check_revision(client); if (ret < 0) { @@ -254,6 +256,7 @@ static int rt1711h_probe(struct i2c_client *client, return PTR_ERR(chip->data.regmap); chip->dev = &client->dev; + dev_set_name(chip->dev, "rt1711h"); i2c_set_clientdata(client, chip); ret = rt1711h_sw_reset(chip); @@ -264,6 +267,15 @@ static int rt1711h_probe(struct i2c_client *client, if (ret < 0) return ret; + ret = device_property_read_string(chip->dev, "dev-conn-end", + &dev_conn_end); + if (!ret) { + chip->dev_conn.endpoint[0] = "rt1711h"; + chip->dev_conn.endpoint[1] = dev_conn_end; + chip->dev_conn.id = "usb-role-switch"; + device_connection_add(&chip->dev_conn); + } + chip->data.init = rt1711h_init; chip->data.set_vconn = rt1711h_set_vconn; chip->data.start_drp_toggling = rt1711h_start_drp_toggling; @@ -279,6 +291,9 @@ static int rt1711h_remove(struct i2c_client *client) struct rt1711h_chip *chip = i2c_get_clientdata(client); tcpci_unregister_port(chip->tcpci); + if (chip->dev_conn.id) + device_connection_remove(&chip->dev_conn); + return 0; } |