| /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 | 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 …]
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| 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 | 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 - Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
15 - enum:
16 - xlnx,zynqmp-dwc3
17 - xlnx,versal-dwc3
21 "#address-cells":
[all …]
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| H A D | nvidia,tegra234-xusb.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/usb/nvidia,tegra234-xusb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
16 ports; there are four USB 2.0 ports and four USB 3.2 Gen1 x1 ports.
20 const: nvidia,tegra234-xusb
24 - description: xHCI host registers
25 - description: XUSB FPCI registers
[all …]
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| /linux/Documentation/devicetree/bindings/phy/ |
| H A D | motorola,mapphone-mdm6600.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/motorola,mapphone-mdm6600.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Motorola Mapphone MDM6600 USB PHY
10 - Tony Lindgren <tony@atomide.com>
15 - const: motorola,mapphone-mdm6600
17 enable-gpios:
18 description: GPIO to enable the USB PHY
21 power-gpios:
[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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| 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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| /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/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/drivers/usb/core/ |
| H A D | usb-acpi.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * USB-ACPI glue code
8 #include <linux/usb.h>
14 #include <linux/usb/hcd.h>
19 * usb_acpi_power_manageable - check whether usb port has
20 * acpi power resource.
21 * @hdev: USB device belonging to the usb hub
24 * Return true if the port has acpi power resource and false if no.
40 #define UUID_USB_CONTROLLER_DSM "ce2ee385-00e6-48cb-9f05-2edb927c4899"
44 * usb_acpi_port_lpm_incapable - check if lpm should be disabled for a port.
[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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