| /linux/drivers/thunderbolt/ |
| H A D | usb4_port.c | 3 * USB4 port device
44 struct usb4_port *usb4 = tb_to_usb4_port_device(dev); in link_show() local
45 struct tb_port *port = usb4->port; in link_show()
53 link = port->sw->link_usb4 ? "usb4" : "tbt"; in link_show()
55 link = port->remote->sw->link_usb4 ? "usb4" : "tbt"; in link_show()
57 link = port->xdomain->link_usb4 ? "usb4" : "tbt"; in link_show()
76 static int usb4_port_offline(struct usb4_port *usb4) in usb4_port_offline() argument
78 struct tb_port *port = usb4->port; in usb4_port_offline()
100 static void usb4_port_online(struct usb4_port *usb4) in usb4_port_online() argument
102 struct tb_port *port = usb4->port; in usb4_port_online()
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| H A D | usb4.c | 3 * USB4 specific functionality
119 * If the connection manager implementation provides USB4 router in __usb4_switch_op()
166 struct usb4_port *usb4; in usb4_switch_check_wakes() local
183 * Check for any downstream ports for USB4 wake, in usb4_switch_check_wakes()
194 tb_port_dbg(port, "USB4 wake: %s, connection wake: %s, disconnection wake: %s\n", in usb4_switch_check_wakes()
202 usb4 = port->usb4; in usb4_switch_check_wakes()
203 if (device_may_wakeup(&usb4->dev) && wakeup_usb4) in usb4_switch_check_wakes()
204 pm_wakeup_event(&usb4->dev, 0); in usb4_switch_check_wakes()
228 * usb4_switch_setup() - Additional setup for USB4 device
229 * @sw: USB4 router to setup
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| H A D | retimer.c | 3 * Thunderbolt/USB4 retimer support.
219 * When USB4 port is online sideband communications are in tb_retimer_set_inbound_sbtx()
222 if (!usb4_port_device_is_offline(port->usb4)) in tb_retimer_set_inbound_sbtx()
236 * When USB4 port is offline we need to keep the sideband in tb_retimer_unset_inbound_sbtx()
240 if (usb4_port_device_is_offline(port->usb4)) in tb_retimer_unset_inbound_sbtx()
431 rt->dev.parent = &port->usb4->dev; in tb_retimer_add()
491 dev = device_find_child(&port->usb4->dev, &lookup, retimer_match); in tb_port_find_retimer()
500 * @port: USB4 port to scan
588 * @port: USB4 port whose retimers to remove
594 struct usb4_port *usb4; in tb_retimer_remove_all() local
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| H A D | debugfs.c | 41 * USB4 spec doesn't specify dwell range, the range of 100 ms to 500 ms
66 /* Sideband registers and their sizes as defined in the USB4 spec */
459 * @port: USB4 port through which the margining operations are run
462 * @dev: Pointer to the device that is the target (USB4 port or retimer)
842 * USB4 port. in margining_lanes_write()
1601 struct usb4_port *usb4 = port->usb4; in margining_eye_write() local
1614 usb4->margining->upper_eye = false; in margining_eye_write()
1616 usb4->margining->upper_eye = true; in margining_eye_write()
1628 struct usb4_port *usb4 = port->usb4; in margining_eye_show() local
1632 if (usb4->margining->upper_eye) in margining_eye_show()
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| H A D | tb.c | 525 /* Find the downstream USB4 port that leads to this router */ in tb_find_first_usb3_tunnel()
540 * @port: USB4 port the consumed bandwidth is calculated
591 * @port: USB4 port the consumed bandwidth is calculated
694 * @port: USB4 port the total bandwidth is calculated
1315 if (port->usb4) in tb_scan_port()
1316 pm_runtime_get_sync(&port->usb4->dev); in tb_scan_port()
1425 if (port->usb4) { in tb_scan_port()
1426 pm_runtime_mark_last_busy(&port->usb4->dev); in tb_scan_port()
1427 pm_runtime_put_autosuspend(&port->usb4->dev); in tb_scan_port()
1458 * tunnels under the host router USB4 port, even in tb_recalc_estimated_bandwidth_for_group()
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| H A D | tb_regs.h | 230 /* USB4 router operations opcodes */
373 /* USB4 port registers */
537 * (see above) as in USB4 spec, but these specific bits are used for Titan Ridge
538 * only and are reserved in USB4 spec.
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| H A D | Makefile | 5 thunderbolt-objs += domain.o dma_port.o icm.o property.o xdomain.o lc.o tmu.o usb4.o
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| H A D | nhi.c | 52 MODULE_PARM_DESC(host_reset, "reset USB4 host router (default: true)");
108 * the USB4 spec to ask the hardware to clear in ring_interrupt_active()
1210 * status directly, but unfortunately USB4 seems to make it in nhi_check_iommu()
1321 * USB4 case is simple. If we got control of any of the in nhi_select_cm()
1329 * from the firmware) or this is pre-USB4 PC so try first in nhi_select_cm()
1546 /* Any USB4 compliant host */
1553 MODULE_DESCRIPTION("Thunderbolt/USB4 core driver");
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| /linux/Documentation/devicetree/bindings/clock/ |
| H A D | qcom,glymur-gcc.yaml | 61 - description: USB4 PHY 0 pcie pipe clock source
62 - description: USB4 PHY 0 Max pipe clock source
63 - description: USB4 PHY 1 pcie pipe clock source
64 - description: USB4 PHY 1 Max pipe clock source
65 - description: USB4 PHY 2 pcie pipe clock source
66 - description: USB4 PHY 2 Max pipe clock source
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| /linux/drivers/net/thunderbolt/ |
| H A D | Kconfig | 3 tristate "Networking over USB4 and Thunderbolt cables"
4 depends on USB4 && INET
7 over a USB4 and Thunderbolt cables. The driver supports Apple
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| H A D | trace.c | 3 * Tracepoints for Thunderbolt/USB4 networking driver
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| H A D | trace.h | 3 * Tracepoints for Thunderbolt/USB4 networking driver
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-thunderbolt | 60 nopcie USB4 system where PCIe tunneling is disabled from
111 for USB4.
224 supported with USB4 devices and retimers.
311 "usb4", "tbt" and "none".
317 Description: Writing 1 to this attribute puts the USB4 port into
332 Description: When the USB4 port is in offline mode writing 1 to this
334 retimers. Each retimer appear under the USB4 port as if
335 the USB4 link was up. These retimers act in the same way
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| /linux/drivers/usb/typec/ |
| H A D | port-mapper.c | 68 * USB4 host interface in which case we can also link the in typec_port_match()
69 * Type-C port with the USB4 port. in typec_port_match()
71 if (fwnode_property_present(adev_fwnode, "usb4-host-interface")) in typec_port_match()
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| /linux/drivers/usb/core/ |
| H A D | usb-acpi.c | 146 * usb_acpi_add_usb4_devlink - add device link to USB4 Host Interface for tunneled USB3 devices
150 * Adds a device link between a tunneled USB3 device and the USB4 Host Interface
153 * The USB4 Host Interface this tunneled device depends on is found from the roothub
173 fwnode_find_reference(dev_fwnode(&port_dev->dev), "usb4-host-interface", 0); in usb_acpi_add_usb4_devlink()
316 /* Tunneled USB3 devices depend on USB4 Host Interface, set device link to it */ in usb_acpi_find_companion_for_device()
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| /linux/arch/arm/boot/dts/marvell/ |
| H A D | kirkwood-iconnect.dts | 57 pmx_led_usb4: pmx-led-usb4 {
113 led-usb4 {
114 label = "usb4:blue";
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| /linux/arch/x86/pci/ |
| H A D | acpi.c | 299 * For USB4, the tunneled PCIe Root or Downstream Ports are marked in pcie_has_usb4_host_interface()
300 * with the "usb4-host-interface" ACPI property, so we look for in pcie_has_usb4_host_interface()
304 "usb4-host-interface", 0); in pcie_has_usb4_host_interface()
312 * before Alder Lake do not have the "usb4-host-interface" in pcie_has_usb4_host_interface()
356 /* Anything directly behind a "usb4-host-interface" is tunneled */ in arch_pci_dev_is_removable()
361 * Check if this is a discrete Thunderbolt/USB4 controller that is in arch_pci_dev_is_removable()
362 * directly behind the non-USB4 PCIe Root Port marked as in arch_pci_dev_is_removable()
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| /linux/drivers/gpu/drm/amd/display/dc/link/protocols/ |
| H A D | link_dp_training_dpia.h | 31 /* The approximate time (us) it takes to transmit 9 USB4 DP clock sync packets. */
34 /* Train DP tunneling link for USB4 DPIA display endpoint.
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| /linux/arch/arm/boot/dts/ti/omap/ |
| H A D | am5728.dtsi | 21 * USB3, USB4
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| H A D | am5748.dtsi | 21 * USB3, USB4
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| /linux/drivers/soc/qcom/ |
| H A D | pmic_glink_altmode.c | 49 /* Used for both TBT and USB4 notifications */
53 /* This field is NOP on USB4, all cables support rounded rates by spec */
280 pr_err("Got illegal USB4 cable speed value (%u), falling back to G2\n", in pmic_glink_altmode_enable_usb4()
498 /* Valid for both USB4 and TBT3 */ in pmic_glink_altmode_sc8280xp_notify()
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| /linux/drivers/phy/apple/ |
| H A D | atc.c | 6 * USB4/Thunderbolt, and DisplayPort connectivity via Type-C ports found in
497 * @ATCPHY_PIPEHANDLER_STATE_USB4: USB3 tunneled via USB4/Thunderbolt
502 * a USB3 state (for regular USB3 or USB3+DisplayPort operation) and a USB4 state
503 * (for USB3 tunneled via USB4/Thunderbolt).
518 * @APPLE_ATCPHY_MODE_USB4: USB4 on all lanes
568 * @tunables.lane_usb4: USB4 lane-specific tunables
572 * @pipehandler_up: True if the PIPE mux ("pipehandler") is set to USB3 or USB4 mode
904 * Even though the various Thunderbolt versions and USB4 are different protocols they need in atcphy_apply_tunables()
905 * the same tunables. The actual protocol-specific setup happens inside the Thunderbolt/USB4 in atcphy_apply_tunables()
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| /linux/drivers/gpu/drm/xe/ |
| H A D | Kconfig | 68 depends on USB4
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| /linux/arch/arm/boot/dts/qcom/ |
| H A D | qcom-apq8064-cm-qs600.dts | 231 &usb4 {
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| /linux/drivers/usb/dwc3/ |
| H A D | dwc3-apple.c | 23 * USB3+DisplayPort, USB4, etc) and the lane orientation. This happens through typec_mux_set.
54 * reset (mostly seen this with USB4/Thunderbolt but there's clearly some watchdog that hates
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