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/openbmc/linux/drivers/usb/misc/
H A D	usb251xb.c	3 * Driver for Microchip USB251xB USB 2.0 Hi-Speed Hub Controller 110 #define DRIVER_DESC "Microchip USB 2.0 Hi-Speed Hub Controller" 242 static int usb251x_check_gpio_chip(struct usb251xb hub) in usb251x_check_gpio_chip() argument 244 struct gpio_chip gc = gpiod_to_chip(hub->gpio_reset); in usb251x_check_gpio_chip() 245 struct i2c_adapter adap = hub->i2c->adapter; in usb251x_check_gpio_chip() 248 if (!hub->gpio_reset) in usb251x_check_gpio_chip() 256 dev_err(hub->dev, "Reset GPIO chip is at the same i2c-bus\n"); in usb251x_check_gpio_chip() 263 static int usb251x_check_gpio_chip(struct usb251xb hub) in usb251x_check_gpio_chip() argument 269 static void usb251xb_reset(struct usb251xb *hub) in usb251xb_reset() argument 271 if (!hub->gpio_reset) in usb251xb_reset() [all …]
H A D	usb3503.c	3 * Driver for SMSC USB3503 USB 2.0 hub controller driver 56 static int usb3503_connect(struct usb3503 hub) in usb3503_connect() argument 58 struct device dev = hub->dev; in usb3503_connect() 61 if (hub->regmap) { in usb3503_connect() 63 err = regmap_write(hub->regmap, USB3503_SP_ILOCK, in usb3503_connect() 72 if (hub->port_off_mask) { in usb3503_connect() 73 err = regmap_update_bits(hub->regmap, USB3503_PDS, in usb3503_connect() 74 hub->port_off_mask, in usb3503_connect() 75 hub->port_off_mask); in usb3503_connect() 83 err = regmap_update_bits(hub->regmap, USB3503_CFG1, in usb3503_connect() [all …]
H A D	onboard_usb_hub.c	32 * hub requires more than the currently supported supplies, add a new one here. 65 static int onboard_hub_power_on(struct onboard_hub hub) in onboard_hub_power_on() argument 69 err = regulator_bulk_enable(hub->pdata->num_supplies, hub->supplies); in onboard_hub_power_on() 71 dev_err(hub->dev, "failed to enable supplies: %d\n", err); in onboard_hub_power_on() 75 fsleep(hub->pdata->reset_us); in onboard_hub_power_on() 76 gpiod_set_value_cansleep(hub->reset_gpio, 0); in onboard_hub_power_on() 78 hub->is_powered_on = true; in onboard_hub_power_on() 83 static int onboard_hub_power_off(struct onboard_hub hub) in onboard_hub_power_off() argument 87 gpiod_set_value_cansleep(hub->reset_gpio, 1); in onboard_hub_power_off() 89 err = regulator_bulk_disable(hub->pdata->num_supplies, hub->supplies); in onboard_hub_power_off() [all …]
H A D	usb4604.c	3 * Driver for SMSC USB4604 USB HSIC 4-port 2.0 hub controller driver 28 static void usb4604_reset(struct usb4604 hub, int state) in usb4604_reset() argument 30 gpiod_set_value_cansleep(hub->gpio_reset, state); in usb4604_reset() 37 static int usb4604_connect(struct usb4604 hub) in usb4604_connect() argument 39 struct device dev = hub->dev; in usb4604_connect() 44 usb4604_reset(hub, 1); in usb4604_connect() 48 usb4604_reset(hub, 0); in usb4604_connect() 52 hub->mode = USB4604_MODE_HUB; in usb4604_connect() 53 dev_dbg(dev, "switched to HUB mode\n"); in usb4604_connect() 58 static int usb4604_switch_mode(struct usb4604 hub, enum usb4604_mode mode) in usb4604_switch_mode() argument [all …]
H A D	onboard_usb_hub_pdevs.c	3 * API for creating and destroying USB onboard hub platform devices 34 * @parent_hub : parent hub to scan for connected onboard hubs 35 * @pdev_list : list of onboard hub platform devices owned by the parent hub 37 * Creates a platform device for each supported onboard hub that is connected to 38 * the given parent hub. The platform device is in charge of initializing the 39 * hub (enable regulators, take the hub out of reset, ...) and can optionally 40 * control whether the hub remains powered during system suspend or not. 43 * by the parent hub. 53 * platform device for each physical onboard hub, hence for root hubs the loop 54 * is only executed for the root hub of the primary HCD. Since the function [all …]
/openbmc/qemu/net/
H A D	hub.c	2 * Hub net client 20 #include "hub.h" 26 * A hub broadcasts incoming packets to all its ports except the source port. 35 NetHub hub; member 48 static ssize_t net_hub_receive(NetHub hub, NetHubPort source_port, in net_hub_receive() argument 53 QLIST_FOREACH(port, &hub->ports, next) { in net_hub_receive() 63 static ssize_t net_hub_receive_iov(NetHub hub, NetHubPort source_port, in net_hub_receive_iov() argument 69 QLIST_FOREACH(port, &hub->ports, next) { in net_hub_receive_iov() 81 NetHub hub; in net_hub_new() local 83 hub = g_malloc(sizeof(*hub)); in net_hub_new() [all …]
/openbmc/linux/drivers/platform/surface/
H A D	surface_aggregator_hub.c	21 /* -- SSAM generic subsystem hub driver framework. -------------------------- / 36 int (get_state)(struct ssam_hub hub, enum ssam_hub_state state); 61 int (get_state)(struct ssam_hub hub, enum ssam_hub_state state); 69 struct ssam_hub hub = container_of(work, struct ssam_hub, update_work.work); in ssam_hub_update_workfn() local 73 status = hub->ops.get_state(hub, &state); in ssam_hub_update_workfn() 78 * There is a small possibility that hub devices were hot-removed and in ssam_hub_update_workfn() 80 * the state returned by get_state() and the state of the hub will in ssam_hub_update_workfn() 86 * additional flag on the hub and, in this case, override the returned in ssam_hub_update_workfn() 87 * hub state. In case of a missed disconnect (i.e. get_state returned in ssam_hub_update_workfn() 97 if (test_and_clear_bit(SSAM_HUB_HOT_REMOVED, &hub->flags)) { in ssam_hub_update_workfn() [all …]
/openbmc/linux/drivers/fsi/
H A D	fsi-master-hub.c	3 * FSI hub master driver 21 * FSI hub master support 23 * A hub master increases the number of potential target devices that the 25 * each of those links can in turn be chained to a hub master with multiple 28 * The hub is controlled by a set of control registers exposed as a regular fsi 29 * device (the hub->upstream device), and provides access to the downstream FSI 48 struct fsi_master_hub hub = to_fsi_master_hub(master); in hub_master_read() local 53 addr += hub->addr + (link FSI_HUB_LINK_SIZE); in hub_master_read() 54 return fsi_slave_read(hub->upstream->slave, addr, val, size); in hub_master_read() 60 struct fsi_master_hub *hub = to_fsi_master_hub(master); in hub_master_write() local [all …]
/openbmc/linux/drivers/usb/core/
H A D	hub.c	3 * USB hub driver. 39 #include "hub.h" 74 /* workqueue to process hub events / 78 / synchronize hub-port add/remove and peering operations / 106 hub driver's behavior. On the first initialization attempt, if the 133 static int hub_port_disable(struct usb_hub hub, int port1, int set_state); 134 static bool hub_port_warm_reset_required(struct usb_hub hub, int port1, 137 static inline char portspeed(struct usb_hub hub, int portstatus) in portspeed() argument 139 if (hub_is_superspeedplus(hub->hdev)) in portspeed() 141 if (hub_is_superspeed(hub in portspeed() 212 usb_set_lpm_mel(struct usb_device * udev,struct usb3_lpm_parameters * udev_lpm_params,unsigned int udev_exit_latency,struct usb_hub * hub,struct usb3_lpm_parameters * hub_lpm_params,unsigned int hub_exit_latency) usb_set_lpm_mel() argument 259 usb_set_lpm_pel(struct usb_device * udev,struct usb3_lpm_parameters * udev_lpm_params,unsigned int udev_exit_latency,struct usb_hub * hub,struct usb3_lpm_parameters * hub_lpm_params,unsigned int hub_exit_latency,unsigned int port_to_port_exit_latency) usb_set_lpm_pel() argument 335 struct usb_hub hub; usb_set_lpm_parameters() local 487 set_port_led(struct usb_hub hub,int port1,int selector) set_port_led() argument 502 struct usb_hub hub = led_work() local 610 hub_ext_port_status(struct usb_hub hub,int port1,int type,u16 * status,u16 * change,u32 * ext_status) hub_ext_port_status() argument 639 usb_hub_port_status(struct usb_hub * hub,int port1,u16 * status,u16 * change) usb_hub_port_status() argument 646 hub_resubmit_irq_urb(struct usb_hub * hub) hub_resubmit_irq_urb() argument 670 struct usb_hub hub = from_timer(hub, t, irq_urb_retry); hub_retry_irq_urb() local 676 kick_hub_wq(struct usb_hub hub) kick_hub_wq() argument 705 struct usb_hub hub = usb_hub_to_struct_hub(hdev); usb_kick_hub_wq() local 722 struct usb_hub hub; usb_wakeup_notification() local 743 struct usb_hub hub = urb->context; hub_irq() local 807 struct usb_hub hub = hub_tt_work() local 854 usb_hub_set_port_power(struct usb_device * hdev,struct usb_hub * hub,int port1,bool set) usb_hub_set_port_power() argument 930 hub_power_on(struct usb_hub * hub,bool do_delay) hub_power_on() argument 955 hub_hub_status(struct usb_hub * hub,u16 * status,u16 * change) hub_hub_status() argument 975 hub_set_port_link_state(struct usb_hub * hub,int port1,unsigned int link_status) hub_set_port_link_state() argument 988 hub_port_logical_disconnect(struct usb_hub * hub,int port1) hub_port_logical_disconnect() argument 1020 struct usb_hub hub; usb_remove_device() local 1047 hub_activate(struct usb_hub hub,enum hub_activation_type type) hub_activate() argument 1322 struct usb_hub hub = container_of(ws, struct usb_hub, init_work.work); hub_init_func2() local 1329 struct usb_hub hub = container_of(ws, struct usb_hub, init_work.work); hub_init_func3() local 1338 hub_quiesce(struct usb_hub * hub,enum hub_quiescing_type type) hub_quiesce() argument 1366 hub_pm_barrier_for_all_ports(struct usb_hub * hub) hub_pm_barrier_for_all_ports() argument 1377 struct usb_hub hub = usb_get_intfdata(intf); hub_pre_reset() local 1388 struct usb_hub hub = usb_get_intfdata(intf); hub_post_reset() local 1396 hub_configure(struct usb_hub * hub,struct usb_endpoint_descriptor * endpoint) hub_configure() argument 1725 struct usb_hub hub = container_of(kref, struct usb_hub, kref); hub_release() local 1732 hub_get(struct usb_hub hub) hub_get() argument 1737 hub_put(struct usb_hub * hub) hub_put() argument 1746 struct usb_hub hub = usb_get_intfdata(intf); hub_disconnect() local 1816 struct usb_hub hub; hub_probe() local 1950 struct usb_hub hub = usb_hub_to_struct_hub(hdev); hub_ioctl() local 1988 struct usb_hub hub = usb_hub_to_struct_hub(hdev); find_port_owner() local 2037 struct usb_hub hub = usb_hub_to_struct_hub(hdev); usb_hub_release_all_ports() local 2050 struct usb_hub hub; usb_device_is_owned() local 2060 struct usb_hub hub; update_port_device_state() local 2083 struct usb_hub hub = usb_hub_to_struct_hub(udev); recursively_mark_NOTATTACHED() local 2219 struct usb_hub hub = usb_hub_to_struct_hub(udev); hub_disconnect_children() local 2250 struct usb_hub hub = NULL; usb_disconnect() local 2494 struct usb_hub hub; set_usb_port_removable() local 2629 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); usb_new_device() local 2859 hub_port_warm_reset_required(struct usb_hub * hub,int port1,u16 portstatus) hub_port_warm_reset_required() argument 2875 hub_port_wait_reset(struct usb_hub * hub,int port1,struct usb_device * udev,unsigned int delay,bool warm) hub_port_wait_reset() argument 2972 hub_port_reset(struct usb_hub * hub,int port1,struct usb_device * udev,unsigned int delay,bool warm) hub_port_reset() argument 3131 hub_port_stop_enumerate(struct usb_hub * hub,int port1,int retries) hub_port_stop_enumerate() argument 3156 usb_port_is_power_on(struct usb_hub * hub,unsigned int portstatus) usb_port_is_power_on() argument 3188 port_is_suspended(struct usb_hub * hub,unsigned portstatus) port_is_suspended() argument 3208 check_port_resume_type(struct usb_device * udev,struct usb_hub * hub,int port1,int status,u16 portchange,u16 portstatus) check_port_resume_type() argument 3368 struct usb_hub hub = usb_hub_to_struct_hub(udev); usb_wakeup_enabled_descendants() local 3425 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); usb_port_suspend() local 3661 wait_for_connected(struct usb_device * udev,struct usb_hub * hub,int port1,u16 * portchange,u16 * portstatus) wait_for_connected() argument 3717 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); usb_port_resume() local 3822 hub_handle_remote_wakeup(struct usb_hub hub,unsigned int port,u16 portstatus,u16 portchange) hub_handle_remote_wakeup() argument 3865 check_ports_changed(struct usb_hub * hub) check_ports_changed() argument 3882 struct usb_hub hub = usb_get_intfdata(intf); hub_suspend() local 3935 report_wakeup_requests(struct usb_hub hub) report_wakeup_requests() argument 3970 struct usb_hub hub = usb_get_intfdata(intf); hub_resume() local 3987 struct usb_hub hub = usb_get_intfdata(intf); hub_reset_resume() local 4439 struct usb_hub hub; usb_enable_lpm() local 4489 hub_usb3_port_prepare_disable(struct usb_hub hub,struct usb_port * port_dev) hub_usb3_port_prepare_disable() argument 4515 hub_usb3_port_prepare_disable(struct usb_hub * hub,struct usb_port * port_dev) hub_usb3_port_prepare_disable() argument 4545 hub_handle_remote_wakeup(struct usb_hub * hub,unsigned int port,u16 portstatus,u16 portchange) hub_handle_remote_wakeup() argument 4563 hub_port_disable(struct usb_hub * hub,int port1,int set_state) hub_port_disable() argument 4595 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); usb_port_disable() local 4615 hub_port_debounce(struct usb_hub hub,int port1,bool must_be_connected) hub_port_debounce() argument 4674 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); hub_set_address() local 4715 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); hub_set_initial_usb2_lpm_policy() local 4824 hub_port_init(struct usb_hub * hub,struct usb_device * udev,int port1,int retry_counter,struct usb_device_descriptor * dev_descr) hub_port_init() argument 5153 check_highspeed(struct usb_hub * hub,struct usb_device * udev,int port1) check_highspeed() argument 5181 hub_power_remaining(struct usb_hub * hub) hub_power_remaining() argument 5312 hub_port_connect(struct usb_hub * hub,int port1,u16 portstatus,u16 portchange) hub_port_connect() argument 5559 hub_port_connect_change(struct usb_hub * hub,int port1,u16 portstatus,u16 portchange) hub_port_connect_change() argument 5668 port_event(struct usb_hub * hub,int port1) port_event() argument 5796 struct usb_hub hub; hub_event() local 6229 struct usb_hub hub = usb_hub_to_struct_hub(udev->parent); usb_reset_device() local 6368 struct usb_hub hub = usb_hub_to_struct_hub(hdev); usb_hub_find_child() local 6379 struct usb_hub hub = usb_hub_to_struct_hub(hdev); usb_hub_adjust_deviceremovable() local 6433 struct usb_hub *hub = usb_hub_to_struct_hub(hdev); usb_get_hub_port_acpi_handle() local [all...]
H A D	hub.h	3 * usb hub driver head file 28 struct usb_hub_status hub; member 122 extern int usb_hub_create_port_device(struct usb_hub hub, 124 extern void usb_hub_remove_port_device(struct usb_hub hub, 126 extern int usb_hub_set_port_power(struct usb_device hdev, struct usb_hub hub, 129 extern void hub_get(struct usb_hub hub); 130 extern void hub_put(struct usb_hub hub); 131 extern int hub_port_debounce(struct usb_hub hub, int port1, 135 extern int usb_hub_port_status(struct usb_hub hub, int port1, 137 extern int usb_port_is_power_on(struct usb_hub *hub, unsigned int portstatus); [all …]
H A D	port.c	15 #include "hub.h" 52 struct usb_hub hub = usb_hub_to_struct_hub(hdev); in disable_show() local 60 if (!hub) in disable_show() 62 hub_get(hub); in disable_show() 77 if (hub->disconnected) { in disable_show() 82 usb_hub_port_status(hub, port1, &portstatus, &unused); in disable_show() 83 disabled = !usb_port_is_power_on(hub, portstatus); in disable_show() 91 hub_put(hub); in disable_show() 104 struct usb_hub hub = usb_hub_to_struct_hub(hdev); in disable_store() local 111 if (!hub) in disable_store() 353 struct usb_hub hub = usb_hub_to_struct_hub(hdev); usb_port_runtime_resume() local 412 struct usb_hub hub = usb_hub_to_struct_hub(hdev); usb_port_runtime_suspend() local 638 find_and_link_peer(struct usb_hub * hub,int port1) find_and_link_peer() argument 717 usb_hub_create_port_device(struct usb_hub * hub,int port1) usb_hub_create_port_device() argument 819 usb_hub_remove_port_device(struct usb_hub * hub,int port1) usb_hub_remove_port_device() argument [all...]
/openbmc/linux/drivers/hwtracing/intel_th/
H A D	Kconfig	3 tristate "Intel(R) Trace Hub controller" 6 Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that 16 Say Y here to enable Intel(R) Trace Hub controller support. 21 tristate "Intel(R) Trace Hub PCI controller" 24 Intel(R) Trace Hub may exist as a PCI device. This option enables 30 tristate "Intel(R) Trace Hub ACPI controller" 33 Intel(R) Trace Hub may exist as an ACPI device. This option enables 42 tristate "Intel(R) Trace Hub Global Trace Hub" 44 Global Trace Hub (GTH) is the central component of the 49 Say Y here to enable GTH subdevice of Intel(R) Trace Hub. [all …]
/openbmc/u-boot/common/
H A D	usb_hub.c	20 * HUB "Driver" 21 * Probes device for being a hub and configurate it 49 struct usb_device dev; / USB hub device to scan / 50 struct usb_hub_device hub; /* USB hub struct / member 57 __weak void usb_hub_reset_devices(struct usb_hub_device hub, int port) in usb_hub_reset_devices() argument 68 bool usb_hub_is_root_hub(struct udevice hub) in usb_hub_is_root_hub() argument 70 if (device_get_uclass_id(hub->parent) != UCLASS_USB_HUB) in usb_hub_is_root_hub() 133 Translate the USB 3.0 hub port status field into the old version in usb_get_port_status() 134 * that U-Boot understands. Do this only when the hub is not root hub. in usb_get_port_status() 135 * For root hub, the port status field has already been translated in usb_get_port_status() [all …]
/openbmc/linux/Documentation/devicetree/bindings/usb/
H A D	microchip,usb5744.yaml	`7 title: Microchip USB5744 4-port Hub Controller 39 3V3 power supply to the hub 43 1V2 power supply to the hub 45 peer-hub: 48 phandle to the peer hub on the controller. 53 phandle of an usb hub connected via i2c bus. 70 peer-hub: false 75 - peer-hub 85 hub: usb-hub@2d { 95 /* 2.0 hub on port 1 */ [all …]`
H A D	realtek,rts5411.yaml	`7 title: Realtek RTS5411 USB 3.0 hub controller 26 phandle to the regulator that provides power to the hub. 28 peer-hub: 31 phandle to the peer hub on the controller. 34 - peer-hub 47 /* 2.0 hub on port 1 / 48 hub_2_0: hub@1 { 52 peer-hub = <&hub_3_0>; 55 / 3.0 hub on port 2 */ 56 hub_3_0: hub@2 { [all …]`
H A D	ti,usb8041.yaml	`7 title: TI USB8041 USB 3.0 hub controller 29 VDD power supply to the hub 31 peer-hub: 34 phandle to the peer hub on the controller. 39 - peer-hub 52 /* 2.0 hub on port 1 / 53 hub_2_0: hub@1 { 56 peer-hub = <&hub_3_0>; 60 / 3.0 hub on port 2 */ 61 hub_3_0: hub@2 { [all …]`
H A D	vialab,vl817.yaml	`7 title: Via labs VL817 USB 3.1 hub controller 30 phandle to the regulator that provides power to the hub. 32 peer-hub: 35 phandle to the peer hub on the controller. 42 - peer-hub 54 /* 2.0 hub on port 1 / 55 hub_2_0: hub@1 { 59 peer-hub = <&hub_3_0>; 63 / 3.1 hub on port 4 */ 64 hub_3_0: hub@2 { [all …]`
H A D	usb251xb.yaml	7 title: Microchip USB 2.0 Hi-Speed Hub Controller 31 Should specify the gpio for hub reset 40 Skip Hub configuration, but only send the USB-Attach command 46 Set USB Vendor ID of the hub 51 Set USB Product ID of the hub 57 Set USB Device ID of the hub 152 indicate the hub is part of a compound device (boolean) 194 Specifies max current consumed by the hub from VBUS when 195 operating in self-powered hub. It includes the hub silicon 203 Specifies max current consumed by the hub from VBUS when [all …]
H A D	cypress,hx3.yaml	`7 title: Cypress HX3 USB 3.0 hub controller family 35 peer-hub: 38 phandle to the peer hub on the controller. 43 - peer-hub 58 /* 2.0 hub on port 1 / 59 hub_2_0: hub@1 { 62 peer-hub = <&hub_3_0>; 68 / 3.0 hub on port 2 */ 69 hub_3_0: hub@2 { 72 peer-hub = <&hub_2_0>;`
/openbmc/linux/drivers/gpu/drm/tegra/
H A D	hub.c	156 int tegra_display_hub_prepare(struct tegra_display_hub hub) in tegra_display_hub_prepare() argument 166 for (i = 0; i < hub->soc->num_wgrps; i++) { in tegra_display_hub_prepare() 167 struct tegra_windowgroup wgrp = &hub->wgrps[i]; in tegra_display_hub_prepare() 177 void tegra_display_hub_cleanup(struct tegra_display_hub hub) in tegra_display_hub_cleanup() argument 185 for (i = 0; i < hub->soc->num_wgrps; i++) { in tegra_display_hub_cleanup() 186 struct tegra_windowgroup wgrp = &hub->wgrps[i]; in tegra_display_hub_cleanup() 763 struct tegra_display_hub hub = tegra->hub; in tegra_shared_plane_create() local 779 plane->wgrp = &hub->wgrps[wgrp]; in tegra_shared_plane_create() 834 tegra_display_hub_get_state(struct tegra_display_hub hub, in tegra_display_hub_get_state() argument 839 priv = drm_atomic_get_private_obj_state(state, &hub->base); in tegra_display_hub_get_state() [all …]
/openbmc/linux/Documentation/ABI/testing/
H A D	sysfs-firmware-sgi_uv	22 The hub_type entry is used to select the type of hub which is 27 is no hub. In this case the hub_type entry is not present. 40 The uv_type entry contains the hub revision number. 55 The hubs directory contains a number of hub objects, each representing 56 a UV Hub visible to the BIOS. Each hub object's name is appended by a 59 Each hub object directory contains a number of read-only attributes:: 68 The cnode entry contains the cnode number of the corresponding hub. 71 The location entry contains the location string of the corresponding hub. 72 This value is used to physically identify a hub within a system. 74 The name entry contains the name of the corresponding hub. This name can [all …]
/openbmc/linux/include/uapi/linux/usb/
H A D	ch11.h	3 * This file holds Hub protocol constants and data structures that are 4 * defined in chapter 11 (Hub Specification) of the USB 2.0 specification. 16 * From USB 2.0 spec Table 11-13, offset 7, a hub can 19 * Because the arrays need to add a bit for hub status data, we 28 * Hub request types 43 * Hub class requests 52 * Hub class additional requests defined by USB 3.0 spec 59 * Hub Class feature numbers 102 /* USB 3.0 hub remote wake mask bits, see table 10-14 / 108 Hub Status and Hub Change results [all …]
/openbmc/u-boot/doc/driver-model/
H A D	usb-info.txt	85 this structure, even the root hub. The controller itself does not 117 root hub attached to it. This hub, which is itself a USB device, can provide 119 possible to power up a hub and find out which of its ports have devices 122 Devices are given addresses starting at 1. The root hub is always address 1, 126 USB devices are enumerated by finding a device on a particular hub, and 140 newer (XHCI). If you connect a super-speed device to a high-speed hub, you 173 are attached to a parent hub (or controller in the case of the root hub) and 200 (only) device that is attached to the controller - a root hub 244 Note that the first device is always a root hub, and this must be scanned to 245 find any devices. The above steps will have created a hub (UCLASS_USB_HUB), [all …]
/openbmc/linux/drivers/gpu/drm/amd/amdgpu/
H A D	gfxhub_v2_0.c	123 struct amdgpu_vmhub hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v2_0_setup_vm_pt_regs() local 126 hub->ctx_addr_distance vmid, in gfxhub_v2_0_setup_vm_pt_regs() 130 hub->ctx_addr_distance * vmid, in gfxhub_v2_0_setup_vm_pt_regs() 285 struct amdgpu_vmhub hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v2_0_setup_vmid_config() local 316 i hub->ctx_distance, tmp); in gfxhub_v2_0_setup_vmid_config() 318 i * hub->ctx_addr_distance, 0); in gfxhub_v2_0_setup_vmid_config() 320 i * hub->ctx_addr_distance, 0); in gfxhub_v2_0_setup_vmid_config() 322 i * hub->ctx_addr_distance, in gfxhub_v2_0_setup_vmid_config() 325 i * hub->ctx_addr_distance, in gfxhub_v2_0_setup_vmid_config() 329 hub->vm_cntx_cntl = tmp; in gfxhub_v2_0_setup_vmid_config() [all …]
/openbmc/linux/arch/arm64/boot/dts/amlogic/
H A D	meson-sm1-odroid-c4.dts	`30 /* USB hub supports both USB 2.0 and USB 3.0 root hub / 31 usb-hub { 36 / 2.0 hub on port 1 / 37 hub_2_0: hub@1 { 40 peer-hub = <&hub_3_0>; 45 / 3.1 hub on port 4 */ 46 hub_3_0: hub@2 { 49 peer-hub = <&hub_2_0>;`

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