u-boot/include/generic-phy.h

2  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
3  * Written by Jean-Jacques Hiblot  <jjhiblot@ti.com>
5  * SPDX-License-Identifier:	GPL-2.0+
11 #include <generic-phy-dp.h>
12 #include <generic-phy-mipi-dphy.h>
13 #include <generic-phy-pcie.h>
21  * union phy_configure_opts - Opaque generic phy configuration
35  * struct phy_attrs - represents phy attributes
47  * struct phy - A handle to (allowing control of) a single phy port.
65  * struct udevice_ops - set of function pointers for phy operations
69  * @power_on: powering on the phy (optional)
75 	 * of_xlate - Translate a client's device-tree (OF) phy specifier.
81 	 * default implementation, which assumes #phy-cells = <0> or
82 	 * #phy-cells = <1>, and in the later case that the DT cell
92 	 * init - initialize the hardware.
106 	* exit - de-initialize the PHY device
108 	* Hardware de-intialization should be done here. Every step done in
115 	* @phy:	PHY port to be de-initialized
121 	* reset - resets a PHY device without shutting down
126 	* re-establish connection etc without being shut down or exit.
138 	 * been called on the phy.
164 	* power_on - power on a PHY device
166 	* @phy:	PHY port to be powered on
168 	* During runtime, the PHY may need to be powered on or off several
169 	* times. This function is used to power on the PHY. It relies on the
178 	* power_off - power off a PHY device
180 	* @phy:	PHY port to be powered off
182 	* During runtime, the PHY may need to be powered on or off several
184 	* init()/deinit() are not implemented, it must not de-initialize
197  * generic_phy_init() - initialize the PHY port
205  * generic_phy_init() - de-initialize the PHY device
207  * @phy:	PHY port to be de-initialized
213  * generic_phy_reset() - resets a PHY device without shutting down
221  * generic_phy_configure() - change the PHY parameters
229  * generic_phy_validate() - validate the PHY parameters
238  * generic_phy_power_on() - power on a PHY device
240  * @phy:	PHY port to be powered on
246  * generic_phy_power_off() - power off a PHY device
248  * @phy:	PHY port to be powered off
259 	return phy->attrs.mode;  in generic_phy_get_mode()
263  * generic_phy_get_by_index() - Get a PHY device by integer index.
269  * This looks up a PHY device for a client device based on its position in the
291  * generic_phy_get_by_name() - Get a PHY device by its name.
298  * list of the possible PHYs based on its name.
307  *   phy-names = "usb2phy", "usb3phy";
382  * generic_phy_valid() - check if PHY port is valid
389 	return phy && phy->dev;  in generic_phy_valid()