| /kernel/linux/linux-5.10/Documentation/driver-api/usb/ |
| D | writing_musb_glue_layer.rst | 2 Writing a MUSB Glue Layer
10 The Linux MUSB subsystem is part of the larger Linux USB subsystem. It
11 provides support for embedded USB Device Controllers (UDC) that do not
15 Instead, these embedded UDC rely on the USB On-the-Go (OTG)
17 reference design used in most cases is the Multipoint USB Highspeed
18 Dual-Role Controller (MUSB HDRC) found in the Mentor Graphics Inventra™
21 As a self-taught exercise I have written an MUSB glue layer for the
22 Ingenic JZ4740 SoC, modelled after the many MUSB glue layers in the
24 ``drivers/usb/musb/jz4740.c``. In this documentation I will walk through the
25 basics of the ``jz4740.c`` glue layer, explaining the different pieces and
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| /kernel/linux/linux-4.19/Documentation/driver-api/usb/ |
| D | writing_musb_glue_layer.rst | 2 Writing a MUSB Glue Layer
10 The Linux MUSB subsystem is part of the larger Linux USB subsystem. It
11 provides support for embedded USB Device Controllers (UDC) that do not
15 Instead, these embedded UDC rely on the USB On-the-Go (OTG)
17 reference design used in most cases is the Multipoint USB Highspeed
18 Dual-Role Controller (MUSB HDRC) found in the Mentor Graphics Inventra™
21 As a self-taught exercise I have written an MUSB glue layer for the
22 Ingenic JZ4740 SoC, modelled after the many MUSB glue layers in the
24 ``drivers/usb/musb/jz4740.c``. In this documentation I will walk through the
25 basics of the ``jz4740.c`` glue layer, explaining the different pieces and
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| /kernel/linux/linux-5.10/drivers/usb/musb/ |
| D | sunxi.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Allwinner sun4i MUSB Glue Layer
18 #include <linux/phy/phy-sun4i-usb.h>
22 #include <linux/usb/musb.h>
23 #include <linux/usb/of.h>
24 #include <linux/usb/usb_phy_generic.h>
92 struct sunxi_glue *glue = container_of(work, struct sunxi_glue, work); in sunxi_musb_work() local
95 if (!test_bit(SUNXI_MUSB_FL_ENABLED, &glue->flags)) in sunxi_musb_work()
98 if (test_and_clear_bit(SUNXI_MUSB_FL_HOSTMODE_PEND, &glue->flags)) { in sunxi_musb_work()
99 struct musb *musb = glue->musb; in sunxi_musb_work()
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| D | jz4740.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Ingenic JZ4740 "glue layer"
9 #include <linux/dma-mapping.h>
15 #include <linux/usb/role.h>
16 #include <linux/usb/usb_phy_generic.h>
33 if (IS_ENABLED(CONFIG_USB_INVENTRA_DMA) && musb->dma_controller) in jz4740_musb_interrupt()
34 retval_dma = dma_controller_irq(irq, musb->dma_controller); in jz4740_musb_interrupt()
36 spin_lock_irqsave(&musb->lock, flags); in jz4740_musb_interrupt()
38 musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB); in jz4740_musb_interrupt()
39 musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX); in jz4740_musb_interrupt()
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| D | omap2430.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2005-2007 by Texas Instruments
19 #include <linux/dma-mapping.h>
23 #include <linux/usb/musb.h>
37 #define glue_to_musb(g) platform_get_drvdata(g->musb)
46 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_exit()
48 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_exit()
55 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_init()
57 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_init()
62 struct omap2430_glue *glue = _glue; in omap2430_musb_mailbox() local
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| D | mediatek.c | 1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/dma-mapping.h>
15 #include <linux/usb/role.h>
16 #include <linux/usb/usb_phy_generic.h>
54 static int mtk_musb_clks_get(struct mtk_glue *glue) in mtk_musb_clks_get() argument
56 struct device *dev = glue->dev; in mtk_musb_clks_get()
58 glue->main = devm_clk_get(dev, "main"); in mtk_musb_clks_get()
59 if (IS_ERR(glue->main)) { in mtk_musb_clks_get()
61 return PTR_ERR(glue->main); in mtk_musb_clks_get()
64 glue->mcu = devm_clk_get(dev, "mcu"); in mtk_musb_clks_get()
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| D | am35x.c | 1 // SPDX-License-Identifier: GPL-2.0
4 * Texas Instruments AM35x "glue layer"
8 * Based on the DA8xx "glue layer" code.
9 * Copyright (c) 2008-2009, MontaVista Software, Inc. <source@mvista.com>
19 #include <linux/dma-mapping.h>
20 #include <linux/usb/usb_phy_generic.h>
21 #include <linux/platform_data/usb-omap.h>
28 /* USB 2.0 OTG module registers */
57 /* USB interrupt register bits */
79 * am35x_musb_enable - enable interrupts
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| D | da8xx.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Texas Instruments DA8xx/OMAP-L1x "glue layer"
5 * Copyright (c) 2008-2009 MontaVista Software, Inc. <source@mvista.com>
7 * Based on the DaVinci "glue layer" code.
8 * Copyright (C) 2005-2006 by Texas Instruments
23 #include <linux/dma-mapping.h>
24 #include <linux/usb/usb_phy_generic.h>
32 /* USB 2.0 OTG module registers */
46 #define DA8XX_USB_GENERIC_RNDIS_EP_SIZE_REG(n) (0x50 + (((n) - 1) << 2))
54 /* USB interrupt register bits */
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| D | musb_dsps.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Texas Instruments DSPS platforms "glue layer"
7 * Based on the am35x "glue layer" code.
20 #include <linux/dma-mapping.h>
23 #include <linux/usb/usb_phy_generic.h>
24 #include <linux/platform_data/usb-omap.h>
31 #include <linux/usb/of.h>
100 * DSPS glue structure.
134 static void dsps_mod_timer(struct dsps_glue *glue, int wait_ms) in dsps_mod_timer() argument
136 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_mod_timer()
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| /kernel/linux/linux-4.19/drivers/usb/musb/ |
| D | sunxi.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Allwinner sun4i MUSB Glue Layer
18 #include <linux/phy/phy-sun4i-usb.h>
22 #include <linux/usb/musb.h>
23 #include <linux/usb/of.h>
24 #include <linux/usb/usb_phy_generic.h>
92 struct sunxi_glue *glue = container_of(work, struct sunxi_glue, work); in sunxi_musb_work() local
95 if (!test_bit(SUNXI_MUSB_FL_ENABLED, &glue->flags)) in sunxi_musb_work()
98 if (test_and_clear_bit(SUNXI_MUSB_FL_HOSTMODE_PEND, &glue->flags)) { in sunxi_musb_work()
99 struct musb *musb = glue->musb; in sunxi_musb_work()
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| D | omap2430.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2005-2007 by Texas Instruments
19 #include <linux/dma-mapping.h>
23 #include <linux/usb/musb.h>
37 #define glue_to_musb(g) platform_get_drvdata(g->musb)
43 struct usb_otg *otg = musb->xceiv->otg; in omap2430_musb_set_vbus()
51 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in omap2430_musb_set_vbus()
54 if (musb->xceiv->otg->state == OTG_STATE_A_IDLE) { in omap2430_musb_set_vbus()
58 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in omap2430_musb_set_vbus()
63 while (musb_readb(musb->mregs, MUSB_DEVCTL) & in omap2430_musb_set_vbus()
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| D | am35x.c | 1 // SPDX-License-Identifier: GPL-2.0
4 * Texas Instruments AM35x "glue layer"
8 * Based on the DA8xx "glue layer" code.
9 * Copyright (c) 2008-2009, MontaVista Software, Inc. <source@mvista.com>
19 #include <linux/dma-mapping.h>
20 #include <linux/usb/usb_phy_generic.h>
21 #include <linux/platform_data/usb-omap.h>
28 /* USB 2.0 OTG module registers */
57 /* USB interrupt register bits */
79 * am35x_musb_enable - enable interrupts
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| D | da8xx.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Texas Instruments DA8xx/OMAP-L1x "glue layer"
5 * Copyright (c) 2008-2009 MontaVista Software, Inc. <source@mvista.com>
7 * Based on the DaVinci "glue layer" code.
8 * Copyright (C) 2005-2006 by Texas Instruments
23 #include <linux/dma-mapping.h>
24 #include <linux/usb/usb_phy_generic.h>
32 /* USB 2.0 OTG module registers */
46 #define DA8XX_USB_GENERIC_RNDIS_EP_SIZE_REG(n) (0x50 + (((n) - 1) << 2))
54 /* USB interrupt register bits */
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| D | musb_dsps.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Texas Instruments DSPS platforms "glue layer"
7 * Based on the am35x "glue layer" code.
20 #include <linux/dma-mapping.h>
23 #include <linux/usb/usb_phy_generic.h>
24 #include <linux/platform_data/usb-omap.h>
31 #include <linux/usb/of.h>
100 * DSPS glue structure.
134 static void dsps_mod_timer(struct dsps_glue *glue, int wait_ms) in dsps_mod_timer() argument
136 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_mod_timer()
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| D | jz4740.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Ingenic JZ4740 "glue layer"
9 #include <linux/dma-mapping.h>
14 #include <linux/usb/usb_phy_generic.h>
30 spin_lock_irqsave(&musb->lock, flags); in jz4740_musb_interrupt()
32 musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB); in jz4740_musb_interrupt()
33 musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX); in jz4740_musb_interrupt()
34 musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX); in jz4740_musb_interrupt()
41 musb->int_usb &= MUSB_INTR_SUSPEND | MUSB_INTR_RESUME | in jz4740_musb_interrupt()
44 if (musb->int_usb || musb->int_tx || musb->int_rx) in jz4740_musb_interrupt()
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/usb/ |
| D | dwc3-st.txt | 1 ST DWC3 glue logic
3 This file documents the parameters for the dwc3-st driver.
4 This driver controls the glue logic used to configure the dwc3 core on
8 - compatible : must be "st,stih407-dwc3"
9 - reg : glue logic base address and USB syscfg ctrl register offset
10 - reg-names : should be "reg-glue" and "syscfg-reg"
11 - st,syscon : should be phandle to system configuration node which
12 encompasses the glue registers
13 - resets : list of phandle and reset specifier pairs. There should be two entries, one
15 - reset-names : list of reset signal names. Names should be "powerdown" and "softreset"
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| D | am33xx-usb.txt | 3 - compatible: ti,am33xx-usb
4 - reg: offset and length of the usbss register sets
5 - ti,hwmods : must be "usb_otg_hs"
7 The glue layer contains multiple child nodes. It is required to have
8 at least a control module node, USB node and a PHY node. The second USB
13 - compatible: ti,am335x-usb-ctrl-module
14 - reg: offset and length of the "USB control registers" in the "Control
15 Module" block. A second offset and length for the USB wake up control
17 - reg-names: "phy_ctrl" for the "USB control registers" and "wakeup" for
18 the USB wake up control register.
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/usb/ |
| D | dwc3-st.txt | 1 ST DWC3 glue logic
3 This file documents the parameters for the dwc3-st driver.
4 This driver controls the glue logic used to configure the dwc3 core on
8 - compatible : must be "st,stih407-dwc3"
9 - reg : glue logic base address and USB syscfg ctrl register offset
10 - reg-names : should be "reg-glue" and "syscfg-reg"
11 - st,syscon : should be phandle to system configuration node which
12 encompasses the glue registers
13 - resets : list of phandle and reset specifier pairs. There should be two entries, one
15 - reset-names : list of reset signal names. Names should be "powerdown" and "softreset"
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| D | amlogic,meson-g12a-usb-ctrl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: "http://devicetree.org/schemas/usb/amlogic,meson-g12a-usb-ctrl.yaml#"
6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
8 title: Amlogic Meson G12A DWC3 USB SoC Controller Glue
11 - Neil Armstrong <narmstrong@baylibre.com>
14 The Amlogic G12A embeds a DWC3 USB IP Core configured for USB2 and USB3
15 in host-only mode, and a DWC2 IP Core configured for USB2 peripheral mode
18 A glue connects the DWC3 core to USB2 PHYs and optionally to an USB3 PHY.
20 One of the USB2 PHYs can be re-routed in peripheral mode to a DWC2 USB IP.
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| D | am33xx-usb.txt | 3 - compatible: ti,am33xx-usb
4 - reg: offset and length of the usbss register sets
5 - ti,hwmods : must be "usb_otg_hs"
7 The glue layer contains multiple child nodes. It is required to have
8 at least a control module node, USB node and a PHY node. The second USB
13 - compatible: ti,am335x-usb-ctrl-module
14 - reg: offset and length of the "USB control registers" in the "Control
15 Module" block. A second offset and length for the USB wake up control
17 - reg-names: "phy_ctrl" for the "USB control registers" and "wakeup" for
18 the USB wake up control register.
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| /kernel/linux/linux-4.19/drivers/usb/dwc2/ |
| D | pci.c | 1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3 * pci.c - DesignWare HS OTG Controller PCI driver
5 * Copyright (C) 2004-2013 Synopsys, Inc.
16 * 3. The names of the above-listed copyright holders may not be used
50 #include <linux/usb.h>
52 #include <linux/usb/hcd.h>
53 #include <linux/usb/ch11.h>
55 #include <linux/usb/usb_phy_generic.h>
59 static const char dwc2_driver_name[] = "dwc2-pci";
68 if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS && in dwc2_pci_quirks()
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| /kernel/linux/linux-5.10/drivers/usb/dwc2/ |
| D | pci.c | 1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
3 * pci.c - DesignWare HS OTG Controller PCI driver
5 * Copyright (C) 2004-2013 Synopsys, Inc.
16 * 3. The names of the above-listed copyright holders may not be used
50 #include <linux/usb.h>
52 #include <linux/usb/hcd.h>
53 #include <linux/usb/ch11.h>
55 #include <linux/usb/usb_phy_generic.h>
59 static const char dwc2_driver_name[] = "dwc2-pci";
68 if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS && in dwc2_pci_quirks()
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| /kernel/linux/linux-5.10/drivers/usb/chipidea/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
12 Say Y here if your system has a dual role high speed USB
14 Dual-role switch (ID, OTG FSM, sysfs), Host-only, and
15 Peripheral-only.
37 tristate "Enable PCI glue driver" if EMBEDDED
43 tristate "Enable MSM hsusb glue driver" if EMBEDDED
47 tristate "Enable i.MX USB glue driver" if EMBEDDED
52 tristate "Enable generic USB2 glue driver" if EMBEDDED
56 tristate "Enable Tegra UDC glue driver" if EMBEDDED
|
| /kernel/linux/linux-4.19/Documentation/wimax/ |
| D | README.i2400m | 4 (C) 2008 Intel Corporation < linux-wimax@intel.com >
20 linux-VERSION, the development package is called
21 linux-dev-VERSION or linux-headers-VERSION).
32 If USB or SDIO are not enabled in the kernel configuration, the options
33 to build the i2400m USB or SDIO drivers will not show. Enable said
52 $ depmod -a
60 For more information, please contact linux-wimax@intel.com.
69 $ cp FIRMWAREFILE.sbcf /lib/firmware/i2400m-fw-BUSTYPE-1.3.sbcf
72 it as normal, with the rpm (rpm -i FIRMWARE.rpm) or dpkg
73 (dpkg -i FIRMWARE.deb) commands. No further action is needed.
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| /kernel/linux/linux-5.10/Documentation/admin-guide/wimax/ |
| D | i2400m.rst | 7 :Copyright: |copy| 2008 Intel Corporation < linux-wimax@intel.com >
25 linux-VERSION, the development package is called
26 linux-dev-VERSION or linux-headers-VERSION).
33 ------------------------------------------------------
39 If USB or SDIO are not enabled in the kernel configuration, the options
40 to build the i2400m USB or SDIO drivers will not show. Enable said
46 -------------------------------------------------------------------
60 $ depmod -a
68 For more information, please contact linux-wimax@intel.com.
71 --------------------------
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