| /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()
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| 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()
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| 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()
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| 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
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| 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
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| /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()
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| /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()
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| /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
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| /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->hdev)) in portspeed()
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| 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);
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| 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()
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| /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.
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| /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()
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| /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 */
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| 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 {
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| 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 {
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| 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 {
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| 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
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| 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>;
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| /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()
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| /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
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| /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
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| /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),
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| /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()
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| /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>;
|