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/Linux-v5.15/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#
7 title: USB EHCI Controller Device Tree Bindings
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
13 - $ref: "usb-hcd.yaml"
14 - if:
19 const: ibm,usb-ehci-440epx
28 - items:
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Dexynos-usb.txt6 EHCI
8 - compatible: should be "samsung,exynos4210-ehci" for USB 2.0
9 EHCI controller in host mode.
10 - reg: physical base address of the controller and length of memory mapped
12 - interrupts: interrupt number to the cpu.
13 - clocks: from common clock binding: handle to usb clock.
14 - clock-names: from common clock binding: Shall be "usbhost".
15 - phys: from the *Generic PHY* bindings; array specifying phy(s) used
17 - phy-names: from the *Generic PHY* bindings; array of the names for
22 - samsung,vbus-gpio: if present, specifies the GPIO that
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Dbrcm,bcm3384-usb.txt4 - compatible: "brcm,bcm3384-ohci", "brcm,bcm3384-ehci"
6 These currently use the generic-ohci and generic-ehci drivers. On some
9 - Restoring state after systemwide power save modes
10 - Sharing PHYs with the USBD (UDC) hardware
11 - Figuring out which controllers are disabled on ASIC bondout variants
/Linux-v5.15/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.
55 tristate "Generic xHCI driver for a platform device"
58 Adds an xHCI host driver for a generic platform device, which
91 tristate "xHCI support for Renesas R-Car SoCs"
96 found in Renesas R-Car ARM SoCs.
119 Enables support for XHCI, EHCI and OHCI host controllers
123 modules will be called ohci-platform.ko, ehci-brcm.ko and
124 xhci-plat-hcd.ko
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Dehci-platform.c1 // SPDX-License-Identifier: GPL-2.0
3 * Generic platform ehci driver
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>
39 #include "ehci.h"
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Dehci-grlib.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for Aeroflex Gaisler GRLIB GRUSBHC EHCI host controller
9 * Based on ehci-ppc-of.c which is:
11 * and in turn based on "ehci-ppc-soc.c" by Stefan Roese <sr@denx.de>
12 * and "ohci-ppc-of.c" by Sylvain Munaut <tnt@246tNt.com>
26 .product_desc = "GRLIB GRUSBHC EHCI",
30 * generic hardware linkage
74 struct device_node *dn = op->dev.of_node; in ehci_hcd_grlib_probe()
76 struct ehci_hcd *ehci = NULL; in ehci_hcd_grlib_probe() local
83 return -ENODEV; in ehci_hcd_grlib_probe()
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Dehci-ppc-of.c1 // SPDX-License-Identifier: GPL-1.0+
3 * EHCI HCD (Host Controller Driver) for USB.
5 * Bus Glue for PPC On-Chip EHCI driver on the of_platform bus
10 * Based on "ehci-ppc-soc.c" by Stefan Roese <sr@denx.de>
11 * and "ohci-ppc-of.c" by Sylvain Munaut <tnt@246tNt.com>
27 .product_desc = "OF EHCI",
31 * generic hardware linkage
85 return -EINVAL; in ppc44x_enable_bmt()
96 struct device_node *dn = op->dev.of_node; in ehci_hcd_ppc_of_probe()
98 struct ehci_hcd *ehci = NULL; in ehci_hcd_ppc_of_probe() local
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Dehci-hcd.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Enhanced Host Controller Interface (EHCI) driver for USB.
7 * Copyright (c) 2000-2004 by David Brownell
27 #include <linux/dma-mapping.h>
41 /*-------------------------------------------------------------------------*/
44 * EHCI hc_driver implementation ... experimental, incomplete.
53 * test this driver on, and Cypress (including In-System Design) for
58 #define DRIVER_DESC "USB 2.0 'Enhanced' Host Controller (EHCI) Driver"
66 #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */
69 #define EHCI_TUNE_MULT_HS 1 /* 1-3 transactions/uframe; 4.10.3 */
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Dehci-xilinx-of.c1 // SPDX-License-Identifier: GPL-2.0+
3 * EHCI HCD (Host Controller Driver) for USB.
5 * Bus Glue for Xilinx EHCI core on the of_platform bus
9 * Based on "ehci-ppc-of.c" by Valentine Barshak <vbarshak@ru.mvista.com>
10 * and "ehci-ppc-soc.c" by Stefan Roese <sr@denx.de>
11 * and "ohci-ppc-of.c" by Sylvain Munaut <tnt@246tNt.com>
23 * ehci_xilinx_port_handed_over - hand the port out if failed to enable it
38 dev_warn(hcd->self.controller, "port %d cannot be enabled\n", portnum); in ehci_xilinx_port_handed_over()
39 if (hcd->has_tt) { in ehci_xilinx_port_handed_over()
40 dev_warn(hcd->self.controller, in ehci_xilinx_port_handed_over()
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Dehci-sh.c1 // SPDX-License-Identifier: GPL-2.0
3 * SuperH EHCI host controller driver
7 * Based on ohci-sh.c and ehci-atmel.c.
19 struct ehci_hcd *ehci = hcd_to_ehci(hcd); in ehci_sh_reset() local
21 ehci->caps = hcd->regs; in ehci_sh_reset()
28 .product_desc = "SuperH EHCI",
32 * generic hardware linkage
82 return -ENODEV; in ehci_hcd_sh_probe()
86 ret = -ENODEV; in ehci_hcd_sh_probe()
91 hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev, in ehci_hcd_sh_probe()
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Dohci-ppc-of.c1 // SPDX-License-Identifier: GPL-1.0+
6 * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
7 * (C) Copyright 2002 Hewlett-Packard Company
12 * Modified for of_platform bus from ohci-sa1111.c
35 dev_err(hcd->self.controller, "can't start %s\n", in ohci_ppc_of_start()
36 hcd->self.bus_name); in ohci_ppc_of_start()
50 * generic hardware linkage
89 struct device_node *dn = op->dev.of_node; in ohci_hcd_ppc_of_probe()
100 return -ENODEV; in ohci_hcd_ppc_of_probe()
103 of_device_is_compatible(dn, "ohci-bigendian") || in ohci_hcd_ppc_of_probe()
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Dehci-exynos.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Samsung Exynos USB HOST EHCI Controller
11 #include <linux/dma-mapping.h>
22 #include "ehci.h"
24 #define DRIVER_DESC "EHCI Exynos driver"
35 static const char hcd_name[] = "ehci-exynos";
47 #define to_exynos_ehci(hcd) (struct exynos_ehci_hcd *)(hcd_to_ehci(hcd)->priv)
58 num_phys = of_count_phandle_with_args(dev->of_node, "phys", in exynos_ehci_get_phy()
59 "#phy-cells"); in exynos_ehci_get_phy()
61 phy = devm_of_phy_get_by_index(dev, dev->of_node, phy_number); in exynos_ehci_get_phy()
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/Linux-v5.15/arch/mips/boot/dts/brcm/
Dbcm7346.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #address-cells = <1>;
4 #size-cells = <1>;
8 #address-cells = <1>;
9 #size-cells = <0>;
11 mips-hpt-frequency = <163125000>;
30 cpu_intc: interrupt-controller {
31 #address-cells = <0>;
32 compatible = "mti,cpu-interrupt-controller";
34 interrupt-controller;
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Dbcm7425.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #address-cells = <1>;
4 #size-cells = <1>;
8 #address-cells = <1>;
9 #size-cells = <0>;
11 mips-hpt-frequency = <163125000>;
30 cpu_intc: interrupt-controller {
31 #address-cells = <0>;
32 compatible = "mti,cpu-interrupt-controller";
34 interrupt-controller;
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Dbcm7435.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #address-cells = <1>;
4 #size-cells = <1>;
8 #address-cells = <1>;
9 #size-cells = <0>;
11 mips-hpt-frequency = <175625000>;
42 cpu_intc: interrupt-controller {
43 #address-cells = <0>;
44 compatible = "mti,cpu-interrupt-controller";
46 interrupt-controller;
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Dbcm7420.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #address-cells = <1>;
4 #size-cells = <1>;
8 #address-cells = <1>;
9 #size-cells = <0>;
11 mips-hpt-frequency = <93750000>;
30 cpu_intc: interrupt-controller {
31 #address-cells = <0>;
32 compatible = "mti,cpu-interrupt-controller";
34 interrupt-controller;
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Dbcm3384_viper.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #address-cells = <1>;
4 #size-cells = <1>;
5 compatible = "brcm,bcm3384-viper", "brcm,bcm33843-viper";
16 #address-cells = <1>;
17 #size-cells = <0>;
20 mips-hpt-frequency = <300000000>;
30 #address-cells = <0>;
31 compatible = "mti,cpu-interrupt-controller";
33 interrupt-controller;
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Dbcm6358.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include "dt-bindings/clock/bcm6358-clock.h"
4 #include "dt-bindings/reset/bcm6358-reset.h"
7 #address-cells = <1>;
8 #size-cells = <1>;
12 #address-cells = <1>;
13 #size-cells = <0>;
15 mips-hpt-frequency = <150000000>;
31 periph_osc: periph-osc {
32 compatible = "fixed-clock";
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Dbcm3384_zephyr.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #address-cells = <1>;
4 #size-cells = <1>;
15 #address-cells = <1>;
16 #size-cells = <0>;
19 mips-hpt-frequency = <100000000>;
35 #address-cells = <0>;
36 compatible = "mti,cpu-interrupt-controller";
38 interrupt-controller;
39 #interrupt-cells = <1>;
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Dbcm6362.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include "dt-bindings/clock/bcm6362-clock.h"
4 #include "dt-bindings/reset/bcm6362-reset.h"
5 #include "dt-bindings/soc/bcm6362-pm.h"
8 #address-cells = <1>;
9 #size-cells = <1>;
13 #address-cells = <1>;
14 #size-cells = <0>;
16 mips-hpt-frequency = <200000000>;
32 periph_osc: periph-osc {
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/Linux-v5.15/Documentation/devicetree/bindings/phy/
Drcar-gen2-phy.txt1 * Renesas R-Car generation 2 USB PHY
3 This file provides information on what the device node for the R-Car generation
7 - compatible: "renesas,usb-phy-r8a7742" if the device is a part of R8A7742 SoC.
8 "renesas,usb-phy-r8a7743" if the device is a part of R8A7743 SoC.
9 "renesas,usb-phy-r8a7744" if the device is a part of R8A7744 SoC.
10 "renesas,usb-phy-r8a7745" if the device is a part of R8A7745 SoC.
11 "renesas,usb-phy-r8a77470" if the device is a part of R8A77470 SoC.
12 "renesas,usb-phy-r8a7790" if the device is a part of R8A7790 SoC.
13 "renesas,usb-phy-r8a7791" if the device is a part of R8A7791 SoC.
14 "renesas,usb-phy-r8a7794" if the device is a part of R8A7794 SoC.
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/Linux-v5.15/Documentation/devicetree/bindings/pci/
Dpci-rcar-gen2.txt2 -------------------------
6 OHCI and EHCI controllers.
9 - compatible: "renesas,pci-r8a7742" for the R8A7742 SoC;
10 "renesas,pci-r8a7743" for the R8A7743 SoC;
11 "renesas,pci-r8a7744" for the R8A7744 SoC;
12 "renesas,pci-r8a7745" for the R8A7745 SoC;
13 "renesas,pci-r8a7790" for the R8A7790 SoC;
14 "renesas,pci-r8a7791" for the R8A7791 SoC;
15 "renesas,pci-r8a7793" for the R8A7793 SoC;
16 "renesas,pci-r8a7794" for the R8A7794 SoC;
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/Linux-v5.15/include/linux/usb/
Dehci_pdriver.h1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
27 * struct usb_ehci_pdata - platform_data for generic ehci driver
29 * @caps_offset: offset of the EHCI Capability Registers to the start of
41 * These are general configuration options for the EHCI controller. All of
/Linux-v5.15/arch/arm/boot/dts/
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>
11 compatible = "socionext,uniphier-sld8";
12 #address-cells = <1>;
13 #size-cells = <1>;
16 #address-cells = <1>;
17 #size-cells = <0>;
21 compatible = "arm,cortex-a9";
23 enable-method = "psci";
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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>
11 compatible = "socionext,uniphier-ld4";
12 #address-cells = <1>;
13 #size-cells = <1>;
16 #address-cells = <1>;
17 #size-cells = <0>;
21 compatible = "arm,cortex-a9";
23 enable-method = "psci";
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