| /openbmc/linux/Documentation/devicetree/bindings/usb/ |
| H A D | usb-xhci.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/usb-xhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mathias Nyman <mathias.nyman@intel.com>
13 - $ref: usb-hcd.yaml#
16 usb2-lpm-disable:
17 description: Indicates if we don't want to enable USB2 HW LPM
20 usb3-lpm-capable:
21 description: Determines if platform is USB3 LPM capable
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| H A D | hisilicon,histb-xhci.txt | 6 - compatible: should be "hisilicon,hi3798cv200-xhci"
7 - reg: specifies physical base address and size of the registers
8 - interrupts : interrupt used by the controller
9 - clocks: a list of phandle + clock-specifier pairs, one for each
10 entry in clock-names
11 - clock-names: must contain
16 - resets: a list of phandle and reset specifier pairs as listed in
17 reset-names property.
18 - reset-names: must contain
20 - phys: a list of phandle + phy specifier pairs
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| H A D | mediatek,mtk-xhci.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/mediatek,mtk-xhci.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: MediaTek USB3 xHCI
11 - Chunfeng Yun <chunfeng.yun@mediatek.com>
14 - $ref: usb-xhci.yaml
19 case 2: supports dual-role mode, and the host is based on xHCI driver.
25 - enum:
26 - mediatek,mt2701-xhci
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| H A D | snps,dwc3.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Synopsys DesignWare USB3 Controller
10 - Felipe Balbi <balbi@kernel.org>
14 be presented as a standalone DT node with an optional vendor-specific
18 - $ref: usb-drd.yaml#
19 - if:
25 - dr_mode
29 $ref: usb-xhci.yaml#
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-usb | 10 This allows to avoid side-effects with drivers
28 drivers, non-authorized one are not. By default, wired
33 Contact: linux-usb@vger.kernel.org
67 What: /sys/bus/usb-serial/drivers/.../new_id
69 Contact: linux-usb@vger.kernel.org
72 extra bus folder "usb-serial" in sysfs; apart from that
97 If CONFIG_PM is set and a USB 2.0 lpm-capable device is plugged
98 in to a xHCI host which support link PM, it will perform a LPM
99 test; if the test is passed and host supports USB2 hardware LPM
100 (xHCI 1.0 feature), USB2 hardware LPM will be enabled for the
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| /openbmc/linux/drivers/usb/dwc3/ |
| H A D | host.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * host.c - DesignWare USB3 DRD Controller Host Glue
5 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com
16 #include "../host/xhci-plat.h"
27 pdev = to_platform_device(hcd->self.controller); in dwc3_xhci_plat_start()
28 dwc = dev_get_drvdata(pdev->dev.parent); in dwc3_xhci_plat_start()
40 struct platform_device *pdev = to_platform_device(dwc->dev); in dwc3_host_fill_xhci_irq_res()
41 struct device_node *np = dev_of_node(&pdev->dev); in dwc3_host_fill_xhci_irq_res()
43 dwc->xhci_resources[1].start = irq; in dwc3_host_fill_xhci_irq_res()
44 dwc->xhci_resources[1].end = irq; in dwc3_host_fill_xhci_irq_res()
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| H A D | core.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * core.h - DesignWare USB3 DRD Core Header
5 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
20 #include <linux/dma-mapping.h>
310 /* Global USB3 PIPE Control Register */
666 * struct dwc3_event_buffer - Software event buffer representation
700 * struct dwc3_ep - device side endpoint representation
713 * @number: endpoint number (1 - 15)
718 * @name: a human readable name e.g. ep1out-bulk
762 * anything larger than 256 - I can't see why people would want to do
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| H A D | gadget.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * gadget.c - DesignWare USB3 DRD Controller Gadget Framework Link
5 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
20 #include <linux/dma-mapping.h>
30 #define DWC3_ALIGN_FRAME(d, n) (((d)->frame_number + ((d)->interval * (n))) \
31 & ~((d)->interval - 1))
34 * dwc3_gadget_set_test_mode - enables usb2 test modes
39 * success or -EINVAL if wrong Test Selector is passed.
45 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_set_test_mode()
57 return -EINVAL; in dwc3_gadget_set_test_mode()
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| /openbmc/linux/Documentation/driver-api/usb/ |
| H A D | power-management.rst | 1 .. _usb-power-management:
7 :Date: Last-updated: February 2014
11 ---------
17 * Changing the default idle-delay time
31 -------------------------
35 component is ``suspended`` it is in a nonfunctional low-power state; it
37 ``resumed`` (returned to a functional full-power state) when the kernel
67 ----------------------
85 --------------------------
101 -------------------
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| /openbmc/linux/drivers/usb/cdns3/ |
| H A D | cdns3-gadget.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (C) 2018-2019 Cadence.
6 * Copyright (C) 2017-2018 NXP
15 #include <linux/dma-direction.h>
18 * USBSS-DEV register interface.
23 * struct cdns3_usb_regs - device controller registers.
53 * @buf_addr: Address for On-chip Buffer operations.
54 * @buf_data: Data for On-chip Buffer operations.
55 * @buf_ctrl: On-chip Buffer Access Control.
123 /* USB_CONF - bitmasks */
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| H A D | cdnsp-gadget.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
15 #include <linux/io-64-nonatomic-lo-hi.h>
19 /* Max number slots - only 1 is allowed. */
43 * struct cdnsp_cap_regs - CDNSP Registers.
46 * @hcs_params1: HCSPARAMS1 - Structural Parameters 1
47 * @hcs_params2: HCSPARAMS2 - Structural Parameters 2
48 * @hcs_params3: HCSPARAMS3 - Structural Parameters 3
49 * @hcc_params: HCCPARAMS - Capability Parameters
50 * @db_off: DBOFF - Doorbell array offset
51 * @run_regs_off: RTSOFF - Runtime register space offset
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| /openbmc/linux/drivers/usb/host/ |
| H A D | xhci-histb.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2017-2018 HiSilicon Co., Ltd. http://www.hisilicon.com
11 #include <linux/dma-mapping.h>
46 return dev_get_drvdata(hcd->self.controller); in hcd_to_histb()
51 struct device_node *np = histb->dev->of_node; in xhci_histb_config()
54 if (of_property_match_string(np, "phys-names", "inno") >= 0) { in xhci_histb_config()
56 regval = readl(histb->ctrl + REG_GUSB2PHYCFG0); in xhci_histb_config()
60 writel(regval, histb->ctrl + REG_GUSB2PHYCFG0); in xhci_histb_config()
63 if (of_property_match_string(np, "phys-names", "combo") >= 0) { in xhci_histb_config()
68 * GUSB3PIPECTL0[2:1] = 01 : Tx Deemphasis = -3.5dB, in xhci_histb_config()
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| H A D | xhci-plat.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * xhci-plat.c - xHCI host controller driver platform Bus Glue.
5 * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com
12 #include <linux/dma-mapping.h>
25 #include "xhci-plat.h"
26 #include "xhci-mvebu.h"
43 if (priv->plat_start) in xhci_priv_plat_start()
44 priv->plat_start(hcd); in xhci_priv_plat_start()
51 if (!priv->init_quirk) in xhci_priv_init_quirk()
54 return priv->init_quirk(hcd); in xhci_priv_init_quirk()
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| H A D | xhci-mtk.c | 1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/dma-mapping.h>
25 #include "xhci-mtk.h"
141 struct device *dev = mtk->dev; in xhci_mtk_set_frame_interval()
142 struct usb_hcd *hcd = mtk->hcd; in xhci_mtk_set_frame_interval()
145 if (!of_device_is_compatible(dev->of_node, "mediatek,mt8195-xhci")) in xhci_mtk_set_frame_interval()
148 value = readl(hcd->regs + HFCNTR_CFG); in xhci_mtk_set_frame_interval()
151 writel(value, hcd->regs + HFCNTR_CFG); in xhci_mtk_set_frame_interval()
153 value = readl(hcd->regs + LS_EOF_CFG); in xhci_mtk_set_frame_interval()
156 writel(value, hcd->regs + LS_EOF_CFG); in xhci_mtk_set_frame_interval()
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| H A D | xhci.c | 1 // SPDX-License-Identifier: GPL-2.0
20 #include <linux/dma-mapping.h>
23 #include "xhci-trace.h"
24 #include "xhci-debugfs.h"
25 #include "xhci-dbgcap.h"
43 struct xhci_segment *seg = ring->first_seg; in td_on_ring()
45 if (!td || !td->start_seg) in td_on_ring()
48 if (seg == td->start_seg) in td_on_ring()
50 seg = seg->next; in td_on_ring()
51 } while (seg && seg != ring->first_seg); in td_on_ring()
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| /openbmc/linux/arch/arm64/boot/dts/freescale/ |
| H A D | fsl-ls1046a.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1046A family SoC.
11 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/thermal/thermal.h>
14 #include <dt-bindings/gpio/gpio.h>
18 interrupt-parent = <&gic>;
19 #address-cells = <2>;
20 #size-cells = <2>;
37 #address-cells = <1>;
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| H A D | fsl-ls1043a.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Device Tree Include file for NXP Layerscape-1043A family SoC.
5 * Copyright 2014-2015 Freescale Semiconductor, Inc.
11 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
12 #include <dt-bindings/thermal/thermal.h>
13 #include <dt-bindings/interrupt-controller/arm-gic.h>
14 #include <dt-bindings/gpio/gpio.h>
18 interrupt-parent = <&gic>;
19 #address-cells = <2>;
20 #size-cells = <2>;
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| H A D | fsl-lx2160a.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 // Device Tree Include file for Layerscape-LX2160A family SoC.
5 // Copyright 2018-2020 NXP
7 #include <dt-bindings/clock/fsl,qoriq-clockgen.h>
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/thermal/thermal.h>
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
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| /openbmc/linux/include/linux/ |
| H A D | usb.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
14 #include <linux/errno.h> /* for -ENODEV */
29 /*-------------------------------------------------------------------------*/
32 * Host-side wrappers for standard USB descriptors ... these are parsed
36 * - devices have one (usually) or more configs;
37 * - configs have one (often) or more interfaces;
38 * - interfaces have one (usually) or more settings;
39 * - each interface setting has zero or (usually) more endpoints.
40 * - a SuperSpeed endpoint has a companion descriptor
44 * Devices may also have class-specific or vendor-specific descriptors.
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| /openbmc/linux/drivers/usb/core/ |
| H A D | hub.c | 1 // SPDX-License-Identifier: GPL-2.0
69 /* Protect struct usb_device->state and ->children members
70 * Note: Both are also protected by ->dev.sem, except that ->state can
78 /* synchronize hub-port add/remove and peering operations */
88 * 10 seconds to send reply for the initial 64-byte descriptor request.
90 /* define initial 64-byte descriptor request timeout in milliseconds */
94 "initial 64-byte descriptor request timeout in milliseconds "
95 "(default 5000 - 5.0 seconds)");
139 if (hub_is_superspeedplus(hub->hdev)) in portspeed()
141 if (hub_is_superspeed(hub->hdev)) in portspeed()
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| /openbmc/linux/include/linux/usb/ |
| H A D | gadget.h | 1 // SPDX-License-Identifier: GPL-2.0
5 * We call the USB code inside a Linux-based peripheral device a "gadget"
6 * driver, except for the hardware-specific bus glue. One USB host can
11 * (C) Copyright 2002-2004 by David Brownell
34 * struct usb_request - describes one i/o request
40 * @sg: a scatterlist for SG-capable controllers.
44 * @stream_id: The stream id, when USB3.0 bulk streams are being used
56 * its buffer may be re-used. The function will always be called with
71 * Code "-ESHUTDOWN" indicates completion caused by device disconnect,
78 * reside in a device-side FIFO when the request is reported as
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| /openbmc/u-boot/drivers/usb/dwc3/ |
| H A D | gadget.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * gadget.c - DesignWare USB3 DRD Controller Gadget Framework Link
5 * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com
10 * Taken from Linux Kernel v3.19-rc1 (drivers/usb/dwc3/gadget.c) and ported
13 * commit 8e74475b0e : usb: dwc3: gadget: use udc-core's reset notifier
18 #include <asm/dma-mapping.h>
29 #include "linux-compat.h"
32 * dwc3_gadget_set_test_mode - Enables USB2 Test Modes
37 * return 0 on success or -EINVAL if wrong Test Selector
44 reg = dwc3_readl(dwc->regs, DWC3_DCTL); in dwc3_gadget_set_test_mode()
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| /openbmc/linux/drivers/usb/gadget/ |
| H A D | composite.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * composite.c - infrastructure for Composite USB Gadgets
5 * Copyright (C) 2006-2008 David Brownell
27 * struct usb_os_string - represents OS String to be reported by a gadget
46 * with the relevant device-wide data.
52 return (struct usb_gadget_strings **)uc->stash; in get_containers_gs()
56 * function_descriptors() - get function descriptors for speed
75 descriptors = f->ssp_descriptors; in function_descriptors()
80 descriptors = f->ss_descriptors; in function_descriptors()
85 descriptors = f->hs_descriptors; in function_descriptors()
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