| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | x-powers,axp20x-usb-power-supply.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/x-powers,axp20x-usb-power-supply.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AXP20x USB power-supply
11 variations such as the former being able to set the VBUS power supply max
15 - Chen-Yu Tsai <wens@csie.org>
16 - Sebastian Reichel <sre@kernel.org>
21 - enum:
22 - x-powers,axp192-usb-power-supply
[all …]
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| /linux/drivers/usb/typec/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
4 tristate "USB Type-C Support"
6 USB Type-C Specification defines a cable and connector for USB where
8 be Type-A plug on one end of the cable and Type-B plug on the other.
9 Determination of the host-to-device relationship happens through a
10 specific Configuration Channel (CC) which goes through the USB Type-C
12 Accessory Modes - Analog Audio and Debug - and if USB Power Delivery
14 something else then USB communication.
16 USB Power Delivery Specification defines a protocol that can be used
18 partners. USB Power Delivery allows higher voltages then the normal
[all …]
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| /linux/Documentation/driver-api/usb/ |
| H A D | power-management.rst | 1 .. _usb-power-management:
3 Power Management for USB
7 :Date: Last-updated: February 2014
11 ---------
12 * What is Power Management?
14 * When is a USB device idle?
17 * Changing the default idle-delay time
19 * The driver interface for Power Management
25 * USB Port Power Control
26 * User Interface for Port Power Control
[all …]
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| H A D | persist.rst | 1 .. _usb-persist:
3 USB device persistence during system suspend
13 According to the USB specification, when a USB bus is suspended the
14 bus must continue to supply suspend current (around 1-5 mA). This
16 detect connect-change events (devices being plugged in or unplugged).
17 The technical term is "power session".
19 If a USB device's power session is interrupted then the system is
26 By default, Linux behaves according to the spec. If a USB host
27 controller loses power during a system suspend, then when the system
33 If the kernel wants to believe that your USB keyboard was unplugged
[all …]
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-usb | 1 What: /sys/bus/usb/devices/<INTERFACE>/authorized
9 by writing INTERFACE to /sys/bus/usb/drivers_probe
10 This allows to avoid side-effects with drivers
15 What: /sys/bus/usb/devices/usbX/interface_authorized_default
22 What: /sys/bus/usb/device/.../authorized
28 drivers, non-authorized one are not. By default, wired
29 USB devices are authorized.
31 What: /sys/bus/usb/drivers/.../new_id
33 Contact: linux-usb@vger.kernel.org
36 dynamically add a new device ID to a USB device driver.
[all …]
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| H A D | sysfs-class-usb_power_delivery | 5 Directory for USB Power Delivery devices.
11 File showing the USB Power Delivery Specification Revision used
19 specific revision of the USB Power Delivery Specification. In
23 What: /sys/class/usb_power_delivery/.../source-capabilities
28 set of Power Data Objects (PDO), each representing a type of
29 power supply. The order of the PDO objects is defined in the USB
30 Power Delivery Specification. Each PDO - power supply - will
33 power supply type name (":" as delimiter).
37 What: /sys/class/usb_power_delivery/.../sink-capabilities
42 of Power Data Objects (PDO) just like with source capabilities,
[all …]
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| /linux/Documentation/devicetree/bindings/soc/imx/ |
| H A D | fsl,imx8mp-hsio-blk-ctrl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX8MP HSIO blk-ctrl
10 - Lucas Stach <l.stach@pengutronix.de>
13 The i.MX8MP HSIO blk-ctrl is a top-level peripheral providing access to
14 the NoC and ensuring proper power sequencing of the high-speed IO
15 (USB an PCIe) peripherals located in the HSIO domain of the SoC.
20 - const: fsl,imx8mp-hsio-blk-ctrl
[all …]
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| /linux/Documentation/devicetree/bindings/usb/ |
| H A D | nvidia,tegra210-xusb.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/nvidi
[all...] |
| H A D | mediatek,mtu3.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/mediatek,mtu3.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Chunfeng Yun <chunfeng.yun@mediatek.com>
14 - $ref: usb-drd.yaml
23 - enum:
24 - mediatek,mt2712-mtu3
25 - mediatek,mt8173-mtu3
26 - mediatek,mt8183-mtu3
[all …]
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| H A D | nvidia,tegra194-xusb.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/nvidia,tegra194-xusb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
18 const: nvidia,tegra194-xusb
22 - description: base and length of the xHCI host registers
23 - description: base and length of the XUSB FPCI registers
25 reg-names:
[all …]
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| H A D | nvidia,tegra186-xusb.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/nvidia,tegra186-xusb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
18 const: nvidia,tegra186-xusb
22 - description: base and length of the xHCI host registers
23 - description: base and length of the XUSB FPCI registers
25 reg-names:
[all …]
|
| H A D | nvidia,tegra-xudc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/nvidia,tegra-xudc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 The Tegra XUDC controller supports both USB 2.0 HighSpeed/FullSpeed and
11 USB 3.0 SuperSpeed protocols.
14 - Nagarjuna Kristam <nkristam@nvidia.com>
15 - JC Kuo <jckuo@nvidia.com>
16 - Thierry Reding <treding@nvidia.com>
21 - enum:
[all …]
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| H A D | nvidia,tegra124-xusb.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/nvidia,tegra124-xusb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
20 - description: NVIDIA Tegra124
21 const: nvidia,tegra124-xusb
23 - description: NVIDIA Tegra132
25 - const: nvidia,tegra132-xusb
[all …]
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| H A D | mediatek,musb.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/usb/mediatek,musb.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Min Guo <min.guo@mediatek.com>
15 pattern: '^usb@[0-9a-f]+$'
19 - enum:
20 - mediatek,mt8516-musb
21 - mediatek,mt2701-musb
22 - mediatek,mt7623-musb
[all …]
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| H A D | usb251xb.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/usb251xb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Microchip USB 2.0 Hi-Speed Hub Controller
10 - Richard Leitner <richard.leitner@skidata.com>
15 - microchip,usb2422
16 - microchip,usb2512b
17 - microchip,usb2512bi
18 - microchip,usb2513b
[all …]
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| H A D | richtek,rt1711h.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/richtek,rt1711h.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT1711H Type-C Port Switch and Power Delivery controller
10 - Gene Chen <gene_chen@richtek.com>
13 The RT1711H is a USB Type-C controller that complies with the latest
14 USB Type-C and PD standards. It does the USB Type-C detection including attach
15 and orientation. It integrates the physical layer of the USB BMC power
16 delivery protocol to allow up to 100W of power. The BMC PD block enables full
[all …]
|
| H A D | pxa-usb.txt | 1 PXA USB controllers
6 - compatible: Should be "marvell,pxa-ohci" for USB controllers
10 - "marvell,enable-port1", "marvell,enable-port2", "marvell,enable-port3"
11 If present, enables the appropriate USB port of the controller.
12 - "marvell,port-mode" selects the mode of the ports:
16 - "marvell,power-sense-low" - power sense pin is low-active.
17 - "marvell,power-control-low" - power control pin is low-active.
18 - "marvell,no-oc-protection" - disable over-current protection.
19 - "marvell,oc-mode-perport" - enable per-port over-current protection.
20 - "marvell,power_on_delay" Power On to Power Good time - in ms.
[all …]
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| H A D | dwc3-xilinx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/dwc3-xilinx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx SuperSpeed DWC3 USB SoC controller
10 - Mubin Sayyed <mubin.sayyed@amd.com>
11 - Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
16 - enum:
17 - xlnx,zynqmp-dwc3
18 - xlnx,versal-dwc3
[all …]
|
| /linux/Documentation/ABI/stable/ |
| H A D | sysfs-bus-usb | 1 What: /sys/bus/usb/devices/.../power/persist
6 USB device directories can contain a file named power/persist.
8 not the "USB-Persist" facility is enabled for the device. For
12 For more information, see Documentation/driver-api/usb/persist.rst.
14 What: /sys/bus/usb/devices/.../power/autosuspend
19 Each USB device directory will contain a file named
20 power/autosuspend. This file holds the time (in seconds)
27 The autosuspend delay for newly-created devices is set to
30 What: /sys/bus/usb/device/.../power/connected_duration
36 it returns the total time (in msec) that the USB device has been
[all …]
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| /linux/Documentation/devicetree/bindings/phy/ |
| H A D | renesas,rcar-gen2-usb-phy.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/renesas,rcar-gen2-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas R-Car Gen2 USB PHY
10 - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
15 - enum:
16 - renesas,usb-phy-r8a7742 # RZ/G1H
17 - renesas,usb-phy-r8a7743 # RZ/G1M
18 - renesas,usb-phy-r8a7744 # RZ/G1N
[all …]
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| H A D | samsung,usb3-drd-phy.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/phy/samsung,usb3-drd-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung Exynos SoC USB 3.0 DRD PHY USB 2.0 PHY
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Marek Szyprowski <m.szyprowski@samsung.com>
12 - Sylwester Nawrocki <s.nawrocki@samsung.com>
15 For samsung,exynos5250-usbdrd-phy and samsung,exynos5420-usbdrd-phy
18 0 - UTMI+ type phy,
[all …]
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| /linux/Documentation/devicetree/bindings/dma/ |
| H A D | renesas,usb-dmac.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/renesas,usb-dmac.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas USB DMA Controller
10 - Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
13 - $ref: dma-controller.yaml#
18 - enum:
19 - renesas,r8a7742-usb-dmac # RZ/G1H
20 - renesas,r8a7743-usb-dmac # RZ/G1M
[all …]
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| /linux/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/ |
| H A D | usb.txt | 1 Freescale QUICC Engine USB Controller
4 - compatible : should be "fsl,<chip>-qe-usb", "fsl,mpc8323-qe-usb".
5 - reg : the first two cells should contain usb registers location and
8 - interrupts : should contain USB interrupt.
9 - fsl,fullspeed-clock : specifies the full speed USB clock source:
11 "brg1" through "brg16": clock source is BRG1-BRG16, respectively
12 "clk1" through "clk24": clock source is CLK1-CLK24, respectively
13 - fsl,lowspeed-clock : specifies the low speed USB clock source:
15 "brg1" through "brg16": clock source is BRG1-BRG16, respectively
16 "clk1" through "clk24": clock source is CLK1-CLK24, respectively
[all …]
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| /linux/Documentation/usb/ |
| H A D | chipidea.rst | 6 -----------------------------------
12 -------------------------
29 otg-rev = <0x0200>;
30 adp-disable;
33 -------------------
35 1) Power up 2 Freescale i.MX6Q sabre SD boards with gadget class driver loaded
38 2) Connect 2 boards with usb cable: one end is micro A plug, the other end
41 The A-device (with micro A plug inserted) should enumerate B-device.
45 On B-device::
49 B-device should take host role and enumerate A-device.
[all …]
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| /linux/arch/arm/boot/dts/renesas/ |
| H A D | r8a77470.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
11 #include <dt-bindings/power/r8a77470-sysc.h>
14 #address-cells = <2>;
15 #size-cells = <2>;
26 #address-cells = <1>;
27 #size-cells = <0>;
31 compatible = "arm,cortex-a7";
[all …]
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