Lines Matching defs:ulpi
3 * ulpi.c - USB ULPI PHY bus
10 #include <linux/ulpi/interface.h>
11 #include <linux/ulpi/driver.h>
12 #include <linux/ulpi/regs.h>
22 int ulpi_read(struct ulpi *ulpi, u8 addr)
24 return ulpi->ops->read(ulpi->dev.parent, addr);
28 int ulpi_write(struct ulpi *ulpi, u8 addr, u8 val)
30 return ulpi->ops->write(ulpi->dev.parent, addr, val);
39 struct ulpi *ulpi = to_ulpi_dev(dev);
46 if (ulpi->id.vendor == 0 || !drv->id_table)
50 if (id->vendor == ulpi->id.vendor &&
51 id->product == ulpi->id.product)
59 struct ulpi *ulpi = to_ulpi_dev(dev);
66 if (add_uevent_var(env, "MODALIAS=ulpi:v%04xp%04x",
67 ulpi->id.vendor, ulpi->id.product))
95 .name = "ulpi",
108 struct ulpi *ulpi = to_ulpi_dev(dev);
114 return sprintf(buf, "ulpi:v%04xp%04x\n",
115 ulpi->id.vendor, ulpi->id.product);
180 static int ulpi_of_register(struct ulpi *ulpi)
185 /* Find a ulpi bus underneath the parent or the grandparent */
186 parent = ulpi->dev.parent;
188 np = of_get_child_by_name(parent->of_node, "ulpi");
190 np = of_get_child_by_name(parent->parent->of_node, "ulpi");
199 ulpi->dev.of_node = child;
204 static int ulpi_read_id(struct ulpi *ulpi)
209 ret = ulpi_write(ulpi, ULPI_SCRATCH, 0xaa);
213 ret = ulpi_read(ulpi, ULPI_SCRATCH);
220 ulpi->id.vendor = ulpi_read(ulpi, ULPI_VENDOR_ID_LOW);
221 ulpi->id.vendor |= ulpi_read(ulpi, ULPI_VENDOR_ID_HIGH) << 8;
223 ulpi->id.product = ulpi_read(ulpi, ULPI_PRODUCT_ID_LOW);
224 ulpi->id.product |= ulpi_read(ulpi, ULPI_PRODUCT_ID_HIGH) << 8;
227 if (ulpi->id.vendor == 0)
230 request_module("ulpi:v%04xp%04x", ulpi->id.vendor, ulpi->id.product);
233 of_device_request_module(&ulpi->dev);
237 static int ulpi_register(struct device *dev, struct ulpi *ulpi)
241 ulpi->dev.parent = dev; /* needed early for ops */
242 ulpi->dev.bus = &ulpi_bus;
243 ulpi->dev.type = &ulpi_dev_type;
244 dev_set_name(&ulpi->dev, "%s.ulpi", dev_name(dev));
246 ACPI_COMPANION_SET(&ulpi->dev, ACPI_COMPANION(dev));
248 ret = ulpi_of_register(ulpi);
252 ret = ulpi_read_id(ulpi);
254 of_node_put(ulpi->dev.of_node);
258 ret = device_register(&ulpi->dev);
260 put_device(&ulpi->dev);
264 dev_dbg(&ulpi->dev, "registered ULPI PHY: vendor %04x, product %04x\n",
265 ulpi->id.vendor, ulpi->id.product);
278 struct ulpi *ulpi_register_interface(struct device *dev,
281 struct ulpi *ulpi;
284 ulpi = kzalloc(sizeof(*ulpi), GFP_KERNEL);
285 if (!ulpi)
288 ulpi->ops = ops;
290 ret = ulpi_register(dev, ulpi);
292 kfree(ulpi);
296 return ulpi;
302 * @ulpi: struct ulpi_interface
307 void ulpi_unregister_interface(struct ulpi *ulpi)
309 device_unregister(&ulpi->dev);