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/linux/drivers/usb/common/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
8 bool "USB LED Triggers"
11 This option adds LED triggers for USB host and/or gadget activity.
13 Say Y here if you are working on a system with led-class supported
14 LEDs and you want to use them as activity indicators for USB host or
18 tristate "USB ULPI PHY interface support"
22 USB 2.0 PHY interface. The ULPI specification defines a standard set
23 of registers that can be used to detect the vendor and product which
27 The ULPI interfaces (the buses) are registered by the drivers for USB
33 protocol) and USB charger detection.
[all …]
/linux/drivers/extcon/
H A Dextcon-max77693.c1 // SPDX-License-Identifier: GPL-2.0+
3 // extcon-max77693.c - MAX77693 extcon driver to support MAX77693 MUIC
8 #include <linux/devm-helpers.h>
18 #include <linux/mfd/max77693-common.h>
19 #include <linux/mfd/max77693-private.h>
20 #include <linux/extcon-provider.h>
24 #define DEV_NAME "max77693-muic"
30 * extcon-max77693 driver use 'default_init_data' to bring up base operation
35 /* STATUS2 - [3]ChgDetRun */
39 /* INTMASK1 - Unmask [3]ADC1KM,[0]ADCM */
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H A Dextcon-max8997.c1 // SPDX-License-Identifier: GPL-2.0+
3 // extcon-max8997.c - MAX8997 extcon driver to support MAX8997 MUIC
8 #include <linux/devm-helpers.h>
18 #include <linux/mfd/max8997-private.h>
19 #include <linux/extcon-provider.h>
22 #define DEV_NAME "max8997-muic"
39 { MAX8997_MUICIRQ_ADCError, "muic-ADCERROR" },
40 { MAX8997_MUICIRQ_ADCLow, "muic-ADCLOW" },
41 { MAX8997_MUICIRQ_ADC, "muic-ADC" },
42 { MAX8997_MUICIRQ_VBVolt, "muic-VBVOLT" },
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/linux/Documentation/devicetree/bindings/usb/
H A Dusb-nop-xceiv.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/usb-nop-xceiv.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: USB NOP PHY
10 - Rob Herring <robh@kernel.org>
14 const: usb-nop-xceiv
19 clock-names:
22 clock-frequency: true
24 '#phy-cells':
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/linux/Documentation/devicetree/bindings/phy/
H A Dallwinner,suniv-f1c100s-usb-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,suniv-f1c100s-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner F1C100s USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,suniv-f1c100s-usb-phy
24 reg-names:
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H A Dallwinner,sun8i-v3s-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-v3s-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner V3s USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,sun8i-v3s-usb-phy
22 - description: PHY Control registers
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H A Dallwinner,sun8i-a23-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-a23-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A23 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
19 - allwinner,sun8i-a23-usb-phy
20 - allwinner,sun8i-a33-usb-phy
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H A Dallwinner,sun6i-a31-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun6i-a31-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A31 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,sun6i-a31-usb-phy
22 - description: PHY Control registers
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H A Dallwinner,sun8i-r40-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-r40-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner R40 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,sun8i-r40-usb-phy
22 - description: PHY Control registers
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H A Dallwinner,sun5i-a13-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun5i-a13-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A13 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,sun5i-a13-usb-phy
22 - description: PHY Control registers
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H A Dallwinner,sun50i-h6-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun50i-h6-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner H6 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,sun50i-h6-usb-phy
22 - description: PHY Control registers
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H A Dallwinner,sun4i-a10-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A10 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
19 - allwinner,sun4i-a10-usb-phy
20 - allwinner,sun7i-a20-usb-phy
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H A Dallwinner,sun8i-a83t-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-a83t-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A83t USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
18 const: allwinner,sun8i-a83t-usb-phy
22 - description: PHY Control registers
[all …]
H A Dallwinner,sun8i-h3-usb-phy.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-h3-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner H3 USB PHY
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#phy-cells":
19 - allwinner,sun8i-h3-usb-phy
20 - allwinner,sun50i-h616-usb-phy
[all …]
/linux/arch/arm/boot/dts/st/
H A Dstih410-pinctrl.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "st-pincfg.h"
10 pin-controller-rear@922f080 {
13 pinctrl_usb0: usb2-0 {
15 usb-oc-detect = <&pio35 0 ALT1 IN>;
16 usb-pwr-enable = <&pio35 1 ALT1 OUT>;
22 pinctrl_usb1: usb2-1 {
24 usb-oc-detect = <&pio35 2 ALT1 IN>;
25 usb-pwr-enable = <&pio35 3 ALT1 OUT>;
H A Dste-nomadik-s8815.dts1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree for the ST-Ericsson Nomadik S8815 board
7 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/irq.h>
9 #include "ste-nomadik-stn8815.dtsi"
12 model = "Calao Systems USB-S8815";
13 compatible = "calaosystems,usb-s8815";
25 /* This hog will bias the MMC/SD card detect line */
26 mmcsd-gpio {
27 gpio-hog;
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/linux/drivers/usb/renesas_usbhs/
H A Dcommon.h1 /* SPDX-License-Identifier: GPL-1.0+ */
3 * Renesas USB driver
16 #include <linux/usb/renesas_usbhs.h>
52 #define USBREQ 0x0054 /* USB request type register */
53 #define USBVAL 0x0056 /* USB request value register */
54 #define USBINDX 0x0058 /* USB request index register */
55 #define USBLENG 0x005A /* USB request length register */
100 #define D2FIFOSEL 0x00F0 /* for R-Car Gen2 */
101 #define D2FIFOCTR 0x00F2 /* for R-Car Gen2 */
102 #define D3FIFOSEL 0x00F4 /* for R-Car Gen2 */
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/linux/Documentation/devicetree/bindings/extcon/
H A Dqcom,pm8941-misc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/extcon/qcom,pm8941-misc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Technologies, Inc. PM8941 USB ID Extcon device
10 - Guru Das Srinagesh <quic_gurus@quicinc.com>
13 Some Qualcomm PMICs have a "misc" module that can be used to detect when
14 the USB ID pin has been pulled low or high.
19 - const: qcom,pm8941-misc
28 interrupt-names:
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H A Dextcon-usbc-cros-ec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/extcon/extcon-usbc-cros-ec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ChromeOS EC USB Type-C cable and accessories detection
10 - Benson Leung <bleung@chromium.org>
13 On ChromeOS systems with USB Type C ports, the ChromeOS Embedded Controller is
14 able to detect the state of external accessories such as display adapters
15 or USB devices when said accessories are attached or detached.
16 The node for this device must be under a cros-ec node like google,cros-ec-spi
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/linux/arch/arm/mach-pxa/
H A Dirqs.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm/mach-pxa/include/mach/irqs.h
19 #define IRQ_USBH2 PXA_IRQ(2) /* USB Host interrupt 1 (OHCI,PXA27x) */
20 #define IRQ_USBH1 PXA_IRQ(3) /* USB Host interrupt 2 (non-OHCI,PXA27x) */
23 #define IRQ_ACIPC0 PXA_IRQ(5) /* AP-CP Communication (PXA930) */
26 #define IRQ_OST_4_11 PXA_IRQ(7) /* OS timer 4-11 matches (PXA27x) */
27 #define IRQ_GPIO0 PXA_IRQ(8) /* GPIO0 Edge Detect */
28 #define IRQ_GPIO1 PXA_IRQ(9) /* GPIO1 Edge Detect */
29 #define IRQ_GPIO_2_x PXA_IRQ(10) /* GPIO[2-x] Edge Detect */
30 #define IRQ_USB PXA_IRQ(11) /* USB Service */
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/linux/Documentation/ABI/testing/
H A Dsysfs-class-power-rt94711 What: /sys/class/power_supply/rt9471-*/sysoff_enable
16 - 1: enabled
17 - 0: disabled
19 What: /sys/class/power_supply/rt9471-*/port_detect_enable
24 This entry allows enabling the USB BC12 port detect function of rt9471 charger
26 port detect and report the usb port type when port detect is done. See
31 - 1: enabled
32 - 0: disabled
/linux/Documentation/driver-api/usb/
H A Dpersist.rst1 .. _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).
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
33 If the kernel wants to believe that your USB keyboard was unplugged
38 Unfortunately problems _can_ arise, particularly with mass-storage
41 filesystem on the device, you're out of luck -- everything in that
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/linux/Documentation/usb/
H A Dgadget_multi.rst12 In its standard configuration it provides a single USB configuration
13 with RNDIS[1] (that is Ethernet), USB CDC[2] ACM (that is serial) and
14 USB Mass Storage functions.
18 have two configurations -- one with RNDIS and another with CDC ECM[3].
20 Please note that if you use non-standard configuration (that is enable
26 To make use of the gadget one needs to make it work on host side --
31 ------------------
38 This is also true for two configuration set-up with RNDIS
43 --------------------
50 First of all, Windows need to detect the gadget as an USB composite
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/linux/Documentation/devicetree/bindings/power/supply/
H A Disp1704.yaml1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: NXP ISP1704 USB Charger Detection
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
20 nxp,enable-gpio:
24 usb-phy:
26 description: USB PHY the ISP1704 is connected to
29 - compatible
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/linux/include/linux/usb/
H A Dr8a66597.h1 // SPDX-License-Identifier: GPL-2.0
124 #define XTAL 0xC000 /* b15-14: Crystal selection */
130 #define SCKE 0x0400 /* b10: USB clock enable */
133 #define HSE 0x0080 /* b7: Hi-speed enable */
135 #define DRPD 0x0020 /* b5: D+/- pull down control */
137 #define USBE 0x0001 /* b0: USB module operation enable */
140 #define OVCBIT 0x8000 /* b15-14: Over-current bit */
141 #define OVCMON 0xC000 /* b15-14: Over-current monitor */
143 #define IDMON 0x0004 /* b3: ID-pin monitor */
144 #define LNST 0x0003 /* b1-0: D+, D- line status */
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