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/linux-6.12.1/Documentation/devicetree/bindings/usb/
Dgeneric-ehci.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/usb/generic-ehci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
13 - $ref: usb-hcd.yaml
14 - if:
19 const: ibm,usb-ehci-440epx
28 - items:
29 - enum:
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Dusb251xb.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
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
19 - microchip,usb2513bi
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/linux-6.12.1/Documentation/i2c/
Di2c-address-translators.rst1 .. SPDX-License-Identifier: GPL-2.0
11 -----------
13 An I2C Address Translator (ATR) is a device with an I2C slave parent
21 An ATR looks similar to an i2c-mux except:
22 - the address on the parent and child busses can be different
23 - there is normally no need to select the child port; the alias used on the
27 The kernel i2c-atr provides a helper to implement an ATR within a driver.
41 .-----. |
42 .-----. | |---+---- B
43 | CPU |--A--| ATR |
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/linux-6.12.1/arch/arm/boot/dts/socionext/
Duniphier-ld4.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
8 #include <dt-bindings/gpio/uniphier-gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 compatible = "socionext,uniphier-ld4";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 #address-cells = <1>;
18 #size-cells = <0>;
22 compatible = "arm,cortex-a9";
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Duniphier-sld8.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
8 #include <dt-bindings/gpio/uniphier-gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 compatible = "socionext,uniphier-sld8";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 #address-cells = <1>;
18 #size-cells = <0>;
22 compatible = "arm,cortex-a9";
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Duniphier-pro4.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
8 #include <dt-bindings/gpio/uniphier-gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 compatible = "socionext,uniphier-pro4";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 #address-cells = <1>;
18 #size-cells = <0>;
22 compatible = "arm,cortex-a9";
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/linux-6.12.1/drivers/usb/host/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
11 The Cypress C67x00 (EZ-Host/EZ-OTG) chips are dual-role
28 module will be called xhci-hcd.
90 tristate "xHCI support for Renesas R-Car SoCs"
96 found in Renesas R-Car ARM SoCs.
132 modules will be called ohci-platform.ko, ehci-brcm.ko and
133 xhci-plat-hcd.ko
158 module will be called ehci-hcd.
161 bool "Root Hub Transaction Translators"
164 Some EHCI chips have vendor-specific extensions to integrate
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Docteon-hcd.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
104 * This register can be used to configure the core after power-on or a change in
105 * mode of operation. This register mainly contains AHB system-related
126 * @nptxfemplvl: Non-Periodic TxFIFO Empty Level (NPTxFEmpLvl)
128 * Indicates when the Non-Periodic TxFIFO Empty Interrupt bit in
131 * * 1'b0: GINTSTS.NPTxFEmp interrupt indicates that the Non-
133 * * 1'b1: GINTSTS.NPTxFEmp interrupt indicates that the Non-
139 * This field has not effect and should be left as 0x0.
172 * This value is in terms of 32-bit words.
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Dehci-platform.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
9 * Derived from the ohci-ssb driver
12 * Derived from the EHCI-PCI driver
13 * Copyright (c) 2000-2004 by David Brownell
15 * Derived from the ohci-pci driver
17 * Copyright 2000-2002 David Brownell
23 #include <linux/dma-mapping.h>
43 #define hcd_to_ehci_priv(h) ((struct ehci_platform_priv *)hcd_to_ehci(h)->priv)
58 struct platform_device *pdev = to_platform_device(hcd->self.controller); in ehci_platform_reset()
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Dehci-sched.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2001-2004 by David Brownell
4 * Copyright (c) 2003 Michal Sojka, for high-speed iso transfers
7 /* this file is part of ehci-hcd.c */
9 /*-------------------------------------------------------------------------*/
12 * EHCI scheduled transaction support: interrupt, iso, split iso
16 * with the "asynchronous" transaction support (control/bulk transfers).
21 * pre-calculated schedule data to make appending to the queue be quick.
27 * periodic_next_shadow - return "next" pointer on shadow list
37 return &periodic->qh->qh_next; in periodic_next_shadow()
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Dehci-hub.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2001-2004 by David Brownell
6 /* this file is part of ehci-hcd.c */
8 /*-------------------------------------------------------------------------*/
16 /*-------------------------------------------------------------------------*/
26 return !udev->maxchild && udev->persist_enabled && in persist_enabled_on_companion()
27 udev->bus->root_hub->speed < USB_SPEED_HIGH; in persist_enabled_on_companion()
41 if (!ehci->owned_ports) in ehci_handover_companion_ports()
55 port = HCS_N_PORTS(ehci->hcs_params); in ehci_handover_companion_ports()
56 while (port--) { in ehci_handover_companion_ports()
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Doxu210hp-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
6 * This code is *strongly* based on EHCI-HCD code by David Brownell since
7 * the chip is a quasi-EHCI compatible.
25 #include <linux/dma-mapping.h>
82 #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
85 #define EHCI_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
101 u32 hcs_params; /* HCSPARAMS - offset 0x4 */
103 #define HCS_INDICATOR(p) ((p)&(1 << 16)) /* true: has port indicators */
110 u32 hcc_params; /* HCCPARAMS - offset 0x8 */
116 #define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */
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/linux-6.12.1/arch/arm64/boot/dts/socionext/
Duniphier-ld11.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/gpio/uniphier-gpio.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 compatible = "socionext,uniphier-ld11";
14 #address-cells = <2>;
15 #size-cells = <2>;
16 interrupt-parent = <&gic>;
19 #address-cells = <2>;
20 #size-cells = <0>;
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/linux-6.12.1/Documentation/usb/
Dehci.rst5 27-Dec-2002
8 USB 2.0-capable host controller hardware. The USB 2.0 standard is
11 - "High Speed" 480 Mbit/sec (60 MByte/sec)
12 - "Full Speed" 12 Mbit/sec (1.5 MByte/sec)
13 - "Low Speed" 1.5 Mbit/sec
22 interact with the EHCI controller through a "Transaction Translator"
26 At this writing, this driver has been seen to work with implementations
31 While usb-storage devices have been available since mid-2001 (working
34 appear to be on hold until more systems come with USB 2.0 built-in.
39 other changes to the Linux-USB core APIs, including the hub driver,
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/linux-6.12.1/arch/mips/boot/dts/qca/
Dar9132.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/clock/ath79-clk.h>
7 #address-cells = <1>;
8 #size-cells = <1>;
11 #address-cells = <1>;
12 #size-cells = <0>;
22 cpuintc: interrupt-controller {
23 compatible = "qca,ar9132-cpu-intc", "qca,ar7100-cpu-intc";
25 interrupt-controller;
26 #interrupt-cells = <1>;
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/linux-6.12.1/arch/mips/boot/dts/mti/
Dsead3.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/mips-gic.h>
11 #address-cells = <1>;
12 #size-cells = <1>;
13 compatible = "mti,sead-3";
14 model = "MIPS SEAD-3";
17 stdout-path = "serial1:115200";
36 cpu_intc: interrupt-controller {
37 compatible = "mti,cpu-interrupt-controller";
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/linux-6.12.1/Documentation/filesystems/
Dext2.rst1 .. SPDX-License-Identifier: GPL-2.0
18 set using tune2fs(8). Kernel-determined defaults are indicated by (*).
34 errors=remount-ro Remount the filesystem read-only on an error.
40 nouid32 Use 16-bit UIDs and GIDs.
75 ext2 shares many properties with traditional Unix filesystems. It has
76 the concepts of blocks, inodes and directories. It has space in the
84 ------
93 ------------
110 --------------
140 ------
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/linux-6.12.1/arch/arm/boot/dts/nxp/lpc/
Dlpc18xx.dtsi9 * Released under the terms of 3-clause BSD License
14 #include "../../armv7-m.dtsi"
16 #include "dt-bindings/clock/lpc18xx-cgu.h"
17 #include "dt-bindings/clock/lpc18xx-ccu.h"
23 #address-cells = <1>;
24 #size-cells = <1>;
27 #address-cells = <1>;
28 #size-cells = <0>;
31 compatible = "arm,cortex-m3";
40 compatible = "fixed-clock";
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/linux-6.12.1/drivers/usb/fotg210/
Dfotg210-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
2 /* Faraday FOTG210 EHCI-like driver
6 * Author: Yuan-Hsin Chen <yhchen@faraday-tech.com>
7 * Feng-Hsin Chiang <john453@faraday-tech.com>
8 * Po-Yu Chuang <ratbert.chuang@gmail.com>
10 * Most of code borrowed from the Linux-3.7 EHCI driver
29 #include <linux/dma-mapping.h>
49 #define FOTG210_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
52 #define FOTG210_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
60 #define FOTG210_TUNE_FLS 1 /* (medium) 512-frame schedule */
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/linux-6.12.1/drivers/usb/isp1760/
Disp1760-hcd.c1 // SPDX-License-Identifier: GPL-2.0
6 * - ISO
7 * - OTG
33 #include "isp1760-core.h"
34 #include "isp1760-hcd.h"
35 #include "isp1760-regs.h"
46 return *(struct isp1760_hcd **)hcd->hcd_priv; in hcd_to_priv()
150 /* the rest is HCD-private */
157 /* QTD_PAYLOAD_ALLOC: chip mem has been allocated for payload */
158 /* QTD_XFER_STARTED: valid ptd has been written to isp176x - only
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/linux-6.12.1/include/linux/
Dusb.h1 /* 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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/linux-6.12.1/drivers/usb/core/
Dhub.c1 // SPDX-License-Identifier: GPL-2.0
70 /* Protect struct usb_device->state and ->children members
71 * Note: Both are also protected by ->dev.sem, except that ->state can
79 /* synchronize hub-port add/remove and peering operations */
89 * 10 seconds to send reply for the initial 64-byte descriptor request.
91 /* define initial 64-byte descriptor request timeout in milliseconds */
95 "initial 64-byte descriptor request timeout in milliseconds "
96 "(default 5000 - 5.0 seconds)");
140 if (hub_is_superspeedplus(hub->hdev)) in portspeed()
142 if (hub_is_superspeed(hub->hdev)) in portspeed()
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