2 * SPI bridge PHY driver.
4 * Copyright 2014-2016 Google Inc.
5 * Copyright 2014-2016 Linaro Ltd.
7 * Released under the GPLv2 only.
10 #include <linux/module.h>
16 static struct spilib_ops *spilib_ops;
18 static int gb_spi_probe(struct gbphy_device *gbphy_dev,
19 const struct gbphy_device_id *id)
21 struct gb_connection *connection;
24 connection = gb_connection_create(gbphy_dev->bundle,
25 le16_to_cpu(gbphy_dev->cport_desc->id),
27 if (IS_ERR(connection))
28 return PTR_ERR(connection);
30 ret = gb_connection_enable(connection);
32 goto exit_connection_destroy;
34 ret = gb_spilib_master_init(connection, &gbphy_dev->dev, spilib_ops);
36 goto exit_connection_disable;
38 gb_gbphy_set_data(gbphy_dev, connection);
40 gbphy_runtime_put_autosuspend(gbphy_dev);
43 exit_connection_disable:
44 gb_connection_disable(connection);
45 exit_connection_destroy:
46 gb_connection_destroy(connection);
51 static void gb_spi_remove(struct gbphy_device *gbphy_dev)
53 struct gb_connection *connection = gb_gbphy_get_data(gbphy_dev);
56 ret = gbphy_runtime_get_sync(gbphy_dev);
58 gbphy_runtime_get_noresume(gbphy_dev);
60 gb_spilib_master_exit(connection);
61 gb_connection_disable(connection);
62 gb_connection_destroy(connection);
65 static const struct gbphy_device_id gb_spi_id_table[] = {
66 { GBPHY_PROTOCOL(GREYBUS_PROTOCOL_SPI) },
69 MODULE_DEVICE_TABLE(gbphy, gb_spi_id_table);
71 static struct gbphy_driver spi_driver = {
73 .probe = gb_spi_probe,
74 .remove = gb_spi_remove,
75 .id_table = gb_spi_id_table,
78 module_gbphy_driver(spi_driver);
79 MODULE_LICENSE("GPL v2");