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/linux/Documentation/devicetree/bindings/usb/
H A 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
[all …]
/linux/Documentation/driver-api/usb/
H A Dpersist.rst1 .. _usb-persist:
14 bus must continue to supply suspend current (around 1-5 mA). This
16 detect connect-change events (devices being plugged in or unplugged).
23 device is still attached or perhaps it was removed and a different
28 wakes up all the devices attached to that controller are treated as
38 Unfortunately problems _can_ arise, particularly with mass-storage
41 filesystem on the device, you're out of luck -- everything in that
57 suspend-to-RAM. On almost all systems, no suspend current is
58 available during hibernation (also known as swsusp or suspend-to-disk).
65 suspended -- but it will crash as soon as it wakes up, which isn't
[all …]
/linux/Documentation/fb/
H A Dudlfb.rst15 pixels line-by-line via USB bulk transfers.
18 does not require any acks - the effect is very low latency that
20 non-gaming and non-video applications.
23 setting is very flexible - able to set nearly arbitrary modes from any timing.
35 one-to-one with the fbdev interface, making the driver quite small and
66 At that point, a /dev/fb? interface will be present for user-mode applications
71 defio support enabled, to support a page-fault based detection mechanism
74 The most common client of udlfb is xf86-video-displaylink or a modified
75 xf86-video-fbdev X server. These servers have no real DisplayLink specific
103 Or to apply options permanently, create a modprobe configuration file
[all …]
/linux/arch/xtensa/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
61 Xtensa processors are 32-bit RISC machines designed by Tensilica
66 a home page at <http://www.linux-xtensa.org/>.
105 def_bool $(success,test "$(shell,echo __XTENSA_EB__ | $(CC) -E -P -)" = 1)
111 …def_bool $(success,test "$(shell,echo __XTENSA_CALL0_ABI__ | $(CC) -mabi=call0 -E -P - 2>/dev/null…
120 bool "fsf - default (not generic) configuration"
124 bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"
131 bool "dc233c - Diamond 233L Standard Core Rev.C (LE)"
167 ie: it supports a TLB with auto-loading, page protection.
217 The Xtensa architecture only allows reading memory attached to its
[all …]
/linux/arch/powerpc/kernel/
H A Deeh_driver.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PCI Error Recovery Driver for RPA-compliant PPC64 platform.
17 #include <asm/ppc-pci.h>
18 #include <asm/pci-bridge.h>
78 return !edev || (edev->mode & EEH_DEV_REMOVED); in eeh_dev_removed()
83 if (!edev->pdev) in eeh_edev_actionable()
85 if (edev->pdev->error_state == pci_channel_io_perm_failure) in eeh_edev_actionable()
89 if (eeh_pe_passed(edev->pe)) in eeh_edev_actionable()
96 * eeh_pcid_get - Get the PCI device driver
106 if (!pdev || !pdev->dev.driver) in eeh_pcid_get()
[all …]
/linux/arch/arm64/boot/dts/freescale/
H A Dimx8mp-venice-gw71xx.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/phy/phy-imx8-pcie.h>
12 compatible = "gpio-usb-b-connector", "usb-b-connector";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_usbcon1>;
16 label = "Type-C";
17 id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
21 remote-endpoint = <&usb3_dwc>;
[all …]
H A Dimx8mp-verdin-dev.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 native-hdmi-connector {
8 compatible = "hdmi-connector";
14 remote-endpoint = <&hdmi_tx_out>;
19 reg_eth2phy: regulator-eth2phy {
20 compatible = "regulator-fixed";
21 enable-active-high;
23 off-on-delay-us = <500000>;
24 regulator-max-microvolt = <3300000>;
25 regulator-min-microvolt = <3300000>;
[all …]
H A Dimx8mp-verdin-dahlia.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 native-hdmi-connector {
8 compatible = "hdmi-connector";
14 remote-endpoint = <&hdmi_tx_out>;
20 compatible = "simple-audio-card";
21 simple-audio-card,bitclock-master = <&codec_dai>;
22 simple-audio-card,format = "i2s";
23 simple-audio-card,frame-master = <&codec_dai>;
24 simple-audio-card,mclk-fs = <256>;
25 simple-audio-card,name = "verdin-wm8904";
[all …]
H A Dimx8mp-venice-gw75xx.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/phy/phy-imx8-pcie.h>
11 led-controller {
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
16 led-0 {
20 default-state = "on";
[all …]
H A Dimx8mp-dhcom-pdk3.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 * DHCM-iMX8ML8-C160-R409-F1638-SPI16-GE-CAN2-SD-RTC-WBTA-ADC-T-RGB-CSI2-HS-I-01D2
7 * DHCOM PCB number: 660-100 or newer
8 * PDK3 PCB number: 669-100 or newer
11 /dts-v1/;
13 #include <dt-bindings/leds/common.h>
14 #include <dt-bindings/phy/phy-imx8-pcie.h>
15 #include "imx8mp-dhcom-som.dtsi"
19 compatible = "dh,imx8mp-dhcom-pdk3", "dh,imx8mp-dhcom-som",
23 stdout-path = &uart1;
[all …]
H A Dimx8mp-venice-gw72xx.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/phy/phy-imx8-pcie.h>
16 compatible = "gpio-usb-b-connector", "usb-b-connector";
17 pinctrl-names = "default";
18 pinctrl-0 = <&pinctrl_usbcon1>;
21 vbus-supply = <&reg_usb1_vbus>;
22 id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
26 remote-endpoint = <&usb3_dwc>;
[all …]
H A Dimx8mp-venice-gw73xx.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/leds/common.h>
8 #include <dt-bindings/phy/phy-imx8-pcie.h>
16 compatible = "gpio-usb-b-connector", "usb-b-connector";
17 pinctrl-names = "default";
18 pinctrl-0 = <&pinctrl_usbcon1>;
21 vbus-supply = <&reg_usb1_vbus>;
22 id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
26 remote-endpoint = <&usb3_dwc>;
[all …]
H A Dimx8mp-phyboard-pollux-rdk.dts1 // SPDX-License-Identifier: GPL-2.0
7 /dts-v1/;
9 #include <dt-bindings/phy/phy-imx8-pcie.h>
10 #include <dt-bindings/leds/leds-pca9532.h>
11 #include <dt-bindings/pwm/pwm.h>
12 #include <dt-bindings/thermal/thermal.h>
13 #include "imx8mp-phycore-som.dtsi"
16 model = "PHYTEC phyBOARD-Pollux i.MX8MP";
17 compatible = "phytec,imx8mp-phyboard-pollux-rdk",
18 "phytec,imx8mp-phycore-som", "fsl,imx8mp";
[all …]
/linux/drivers/usb/dwc3/
H A Ddwc3-imx8mp.c1 // SPDX-License-Identifier: GPL-2.0
3 * dwc3-imx8mp.c - NXP imx8mp Specific Glue layer
45 #define USB_CTRL0_PORTPWR_EN BIT(12) /* 1 - PPC enabled (default) */
46 #define USB_CTRL0_USB3_FIXED BIT(22) /* 1 - USB3 permanent attached */
47 #define USB_CTRL0_USB2_FIXED BIT(23) /* 1 - USB2 permanent attached */
49 #define USB_CTRL1_OC_POLARITY BIT(16) /* 0 - HIGH / 1 - LOW */
50 #define USB_CTRL1_PWR_POLARITY BIT(17) /* 0 - HIGH / 1 - LOW */
66 struct device *dev = dwc3_imx->dev; in imx8mp_configure_glue()
69 if (!dwc3_imx->glue_base) in imx8mp_configure_glue()
72 value = readl(dwc3_imx->glue_base + USB_CTRL0); in imx8mp_configure_glue()
[all …]
/linux/fs/xfs/libxfs/
H A Dxfs_ialloc_btree.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
33 return M_IGEO(cur->bc_mp)->inobt_mnr[level != 0]; in xfs_inobt_get_minrecs()
40 return xfs_inobt_init_cursor(to_perag(cur->bc_group), cur->bc_tp, in xfs_inobt_dup_cursor()
41 cur->bc_ag.agbp); in xfs_inobt_dup_cursor()
48 return xfs_finobt_init_cursor(to_perag(cur->bc_group), cur->bc_tp, in xfs_finobt_dup_cursor()
49 cur->bc_ag.agbp); in xfs_finobt_dup_cursor()
58 struct xfs_buf *agbp = cur->bc_ag.agbp; in xfs_inobt_set_root()
59 struct xfs_agi *agi = agbp->b_addr; in xfs_inobt_set_root()
61 agi->agi_root = nptr->s; in xfs_inobt_set_root()
[all …]
H A Dxfs_rmap_btree.c1 // SPDX-License-Identifier: GPL-2.0
33 * This is a per-ag tree used to track the owner(s) of a given extent. With
59 return xfs_rmapbt_init_cursor(cur->bc_mp, cur->bc_tp, in xfs_rmapbt_dup_cursor()
60 cur->bc_ag.agbp, to_perag(cur->bc_group)); in xfs_rmapbt_dup_cursor()
69 struct xfs_buf *agbp = cur->bc_ag.agbp; in xfs_rmapbt_set_root()
70 struct xfs_agf *agf = agbp->b_addr; in xfs_rmapbt_set_root()
71 struct xfs_perag *pag = to_perag(cur->bc_group); in xfs_rmapbt_set_root()
73 ASSERT(ptr->s != 0); in xfs_rmapbt_set_root()
75 agf->agf_rmap_root = ptr->s; in xfs_rmapbt_set_root()
76 be32_add_cpu(&agf->agf_rmap_level, inc); in xfs_rmapbt_set_root()
[all …]
/linux/drivers/power/supply/
H A Dbd99954-charger.c1 // SPDX-License-Identifier: GPL-2.0-only
20 * a) Trickle-charge with constant current (8).
21 * b) pre-charge with constant current (6)
22 * c) fast-charge, first with constant current (5) phase. After
30 *(4)` `.` ` ` ` ` ` ` ` ` ` ` ` ` ` ----------------------------.
32 * . o----+/:/ ` ` ` ` ` ` ` ` ` ` ` ` `.` ` (5)
34 * . + /- -- .
35 * . +`/- + .
36 * . o/- -: .
38 * . .--+ `/ .
[all …]
/linux/Documentation/networking/
H A Dnapi.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
30 of the NAPI instance while the method is the driver-specific event
37 -----------
40 from the system. The instances are attached to the netdevice passed
55 ------------
64 argument - drivers can process completions for any number of Tx
96 or return ``budget - 1``.
101 -------------
109 As mentioned in the :ref:`drv_ctrl` section - napi_disable() and subsequent
118 --------------------------
[all …]
/linux/include/linux/
H A Ddevice.h1 // SPDX-License-Identifier: GPL-2.0
3 * device.h - generic, centralized driver model
5 * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
6 * Copyright (c) 2004-2009 Greg Kroah-Hartman <gregkh@suse.de>
7 * Copyright (c) 2008-2009 Novell Inc.
9 * See Documentation/driver-api/driver-mode
[all...]
/linux/drivers/acpi/acpica/
H A Dexstore.c1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: exstore - AML Interpreter object store support
6 * Copyright (C) 2000 - 2023, Intel Corp.
35 * PARAMETERS: *source_desc - Value to be stored
36 * *dest_desc - Where to store it. Must be an NS node
39 * walk_state - Current walk state
46 * the destination operand -- not just simply the actual "Store"
86 switch (dest_desc->common.type) { in acpi_ex_store()
93 /* Allow stores to Constants -- a Noop as per ACPI spec */ in acpi_ex_store()
95 if (dest_desc->common.flags & AOPOBJ_AML_CONSTANT) { in acpi_ex_store()
[all …]
H A Devgpe.c1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
4 * Module Name: evgpe - General Purpose Event handling and dispatch
6 * Copyright (C) 2000 - 2023, Intel Corp.
27 * PARAMETERS: gpe_event_info - GPE to update
44 gpe_register_info = gpe_event_info->register_info; in acpi_ev_update_gpe_enable_mask()
53 ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit); in acpi_ev_update_gpe_enable_mask()
57 if (gpe_event_info->runtime_count) { in acpi_ev_update_gpe_enable_mask()
58 ACPI_SET_BIT(gpe_register_info->enable_for_run, in acpi_ev_update_gpe_enable_mask()
62 gpe_register_info->enable_mask = gpe_register_info->enable_for_run; in acpi_ev_update_gpe_enable_mask()
70 * PARAMETERS: gpe_event_info - GPE to enable
[all …]
/linux/drivers/gpu/drm/
H A Ddrm_prime.c30 #include <linux/dma-buf.h>
68 * GEM-based drivers, the &dma_buf should be exported using
72 * importing GEM object -> dma-buf -> exported GEM bo. A further complication
81 * Self-importing: If userspace is using PRIME as a replacement for flink then
82 * it will get a fd->handle request for a GEM object that it created. Drivers
84 * dma-buf private. For GEM based drivers this is handled in
104 return -ENOMEM; in drm_prime_add_buf_handle()
107 member->dma_buf = dma_buf; in drm_prime_add_buf_handle()
108 member->handle = handle; in drm_prime_add_buf_handle()
111 p = &prime_fpriv->dmabufs.rb_node; in drm_prime_add_buf_handle()
[all …]
/linux/Documentation/filesystems/xfs/
H A Dxfs-delayed-logging-design.rst1 .. SPDX-License-Identifier: GPL-2.0
33 details logged are made up of the changes to in-core structures rather than
34 on-disk structures. Other objects - typically buffers - have their physical
64 place. This means that permanent transactions can be used for one-shot
65 modifications, but one-shot reservations cannot be used for permanent
68 In the code, a one-shot transaction pattern looks somewhat like this::
97 While this might look similar to a one-shot transaction, there is an important
123 the on-disk journal.
165 transaction, we have to reserve enough space to record a full leaf-to-root split
183 For one-shot transactions, a single unit space reservation is all that is
[all …]
/linux/drivers/mailbox/
H A Darm_mhuv2.c1 // SPDX-License-Identifier: GPL-2.0
10 * protocol modes: data-transfer and doorbell, to be used on those channel
19 * hardware - mainly the number of channel windows implemented by the platform,
45 #define LSB_MASK(n) ((1 << (n * __CHAR_BIT__)) - 1)
46 #define MHUV2_PROTOCOL_PROP "arm,mhuv2-protocols"
94 u8 pad1[0x0C - 0x04];
99 u8 pad2[0x20 - 0x1C];
114 u8 pad[0xFC8 - 0xFB0];
124 u8 reserved0[0x10 - 0x0C];
128 u8 pad[0x20 - 0x1C];
[all …]
/linux/Documentation/scsi/
H A Dscsi_mid_low_api.rst1 .. SPDX-License-Identifier: GPL-2.0
4 SCSI mid_level - lower_level driver interface
14 (SCSI terminology, see SAM-3 at http://www.t10.org) sends SCSI commands
22 Examples are the usb-storage driver (found in the drivers/usb/storage
30 HBAs. These HBAs might be either on PCI daughter-boards or built into
33 has its own PCI device address. [The one-to-one correspondence between
49 documented in Documentation/scsi (e.g. aic7xxx.rst). The SCSI mid-level is
53 scsi-generic.rst (for the sg driver).
68 and OS-specific code (e.g. FreeBSD and Linux). Such drivers tend to have
84 permanently connected as well as modern "SCSI" devices (e.g. USB or
[all …]

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