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/linux/Documentation/devicetree/bindings/leds/backlight/
H A Dqcom-wled.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
11 - Kiran Gunda <quic_kgunda@quicinc.com>
21 - qcom,pm8941-wled
22 - qcom,pmi8950-wled
23 - qcom,pmi8994-wled
24 - qcom,pmi8998-wled
[all …]
/linux/Documentation/devicetree/bindings/extcon/
H A Dextcon-rt8973a.txt2 * Richtek RT8973A - Micro USB Switch device
7 speed USB operation. Also, RT8973A support 'auto-configuration' mode.
8 If auto-configuration mode is enabled, RT8973A would control internal h/w patch
9 for USB D-/D+ switching.
12 - compatible: Should be "richtek,rt8973a-muic"
13 - reg: Specifies the I2C slave address of the MUIC block. It should be 0x14
14 - interrupts: Interrupt specifiers for detection interrupt sources.
19 compatible = "richtek,rt8973a-muic";
20 interrupt-parent = <&gpx1>;
/linux/drivers/soc/rockchip/
H A Dgrf.c1 // SPDX-License-Identifier: GPL-2.0-only
32 * Disable auto jtag/sdmmc switching that causes issues with the
33 * clock-framework and the mmc controllers making them unreliable.
35 { "jtag switching", RK3036_GRF_SOC_CON0, HIWORD_UPDATE(0, 1, 11) },
47 { "jtag switching", RK3128_GRF_SOC_CON0, HIWORD_UPDATE(0, 1, 8) },
59 { "jtag switching", RK3228_GRF_SOC_CON6, HIWORD_UPDATE(0, 1, 8) },
71 { "jtag switching", RK3288_GRF_SOC_CON0, HIWORD_UPDATE(0, 1, 12) },
83 { "jtag switching", RK3328_GRF_SOC_CON4, HIWORD_UPDATE(0, 1, 12) },
94 { "jtag switching", RK3368_GRF_SOC_CON15, HIWORD_UPDATE(0, 1, 13) },
105 { "jtag switching", RK3399_GRF_SOC_CON7, HIWORD_UPDATE(0, 1, 12) },
[all …]
/linux/include/uapi/linux/
H A Dvt.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
9 * These constants are also useful for user-level apps (e.g., VC
30 #define VT_AUTO 0x00 /* auto vt switching */
31 #define VT_PROCESS 0x01 /* process controls switching */
64 #define VT_LOCKSWITCH 0x560B /* disallow vt switching */
65 #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
/linux/Documentation/fb/
H A Dlxfb.rst17 * Most important: boot logo :-)
27 Switching modes is done using lxfb.mode_option=<resolution>... boot
37 XF68_FBDev should generally work fine, but it is non-accelerated.
49 <x>x<y>[-<bpp>][@<refresh>]
50 vram size of video ram (normally auto-detected)
51 vt_switch enable vt switching during suspend/resume. The vt
H A Dgxfb.rst16 * Most important: boot logo :-)
26 Switching modes is done using gxfb.mode_option=<resolution>... boot
36 XF68_FBDev should generally work fine, but it is non-accelerated.
48 <x>x<y>[-<bpp>][@<refresh>]
49 vram size of video ram (normally auto-detected)
50 vt_switch enable vt switching during suspend/resume. The vt
/linux/arch/arc/include/asm/
H A Dentry-compact.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
4 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
7 * Stack switching code can no longer reliably rely on the fact that
10 * its prologue including stack switching from user mode
13 * -Zero Overhead Loop Context shd be cleared when entering IRQ/EXcp/Trap
20 * -Modified CALLEE_REG save/restore macros to handle the fact that
22 * - Defined Stack Switching Macro to be reused in all intr/excp hdlrs
23 * - Shaved off 11 instructions from RESTORE_ALL_INT1 by using the
32 #include <asm/asm-offsets.h>
[all …]
/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/drivers/usb/host/
H A Duhci-hub.c1 // SPDX-License-Identifier: GPL-2.0
8 * (C) Copyright 1999-2002 Johannes Erdfelt, johannes@erdfelt.com
19 USB_DT_HUB, /* __u8 bDescriptorType; Hub-descriptor */
22 HUB_CHAR_INDV_PORT_OCPM, /* (per-port OC, no power switching) */
41 /* A port that either is connected or has a changed-bit set will prevent
48 for (port = 0; port < uhci->rh_numports; ++port) { in any_ports_active()
51 test_bit(port, &uhci->port_c_suspend)) in any_ports_active()
72 for (port = 0; port < uhci->rh_numports; ++port) { in get_hub_status_data()
74 test_bit(port, &uhci->port_c_suspend)) in get_hub_status_data()
104 if (test_bit(port, &uhci->resuming_ports)) in uhci_finish_suspend()
[all …]
/linux/Documentation/devicetree/bindings/regulator/
H A Drichtek,rt5739.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Richtek RT5739 Step-Down Buck Converter
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RT5739 is a step-down switching buck converter that can deliver the
19 - $ref: regulator.yaml#
24 - richtek,rt5733
25 - richtek,rt5739
30 enable-gpios:
[all …]
/linux/arch/x86/kernel/cpu/
H A Dbugs.c1 // SPDX-License-Identifier: GPL-2.0
6 * - Rafael R. Reilova (moved everything from head.S),
8 * - Channing Corn (tests & fixes),
9 * - Andrew D. Balsa (code cleanup).
20 #include <asm/spec-ctrl.h>
24 #include <asm/processor-flags.h>
41 * <vuln>_select_mitigation() -- Selects a mitigation to use. This should
44 * <vuln>_update_mitigation() -- This is called after all vulnerabilities have
48 * <vuln>_apply_mitigation() -- Enable the selected mitigation.
50 * The compile-time mitigation in all cases should be AUTO. An explicit
[all …]
/linux/drivers/net/wireless/ralink/rt2x00/
H A Drt2400pci.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
25 * Default offset is required for RSSI <-> dBm conversion.
153 * CSR11: Back-off control register.
154 * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
155 * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
189 * TSF_COUNT: Enable tsf auto counting.
190 * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
192 * TCFP: Enable tcfp & cfp / cp switching.
193 * TATIMW: Enable tatimw & atim window switching.
[all …]
H A Drt2500pci.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
36 * Default offset is required for RSSI <-> dBm conversion.
218 * KICK_DECRYPT: Kick decryption engine, self-clear.
228 * CSR11: Back-off control register.
229 * CWMIN: CWmin. Default cwmin is 31 (2^5 - 1).
230 * CWMAX: CWmax. Default cwmax is 1023 (2^10 - 1).
266 * TSF_COUNT: Enable tsf auto counting.
267 * TSF_SYNC: Tsf sync, 0: disable, 1: infra, 2: ad-hoc/master mode.
269 * TCFP: Enable tcfp & cfp / cp switching.
[all …]
/linux/Documentation/hwmon/
H A Dmax20730.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
12 Addresses scanned: -
20 Addresses scanned: -
28 Addresses scanned: -
36 Addresses scanned: -
40 Author: Guenter Roeck <linux@roeck-us.net>
44 -----------
47 Integrated, Step-Down Switching Regulators with PMBus support.
54 -----------
56 This driver does not auto-detect devices. You will have to instantiate the
[all …]
/linux/sound/pci/hda/
H A Dhda_generic.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Generic BIOS auto-parser helper functions for HD-audio
16 /* table entry for multi-io paths */
18 hda_nid_t pin; /* multi-io widget pin NID */
20 unsigned int ctl_in; /* cached input-pin control value */
25 * For output, stored in the order of DAC -> ... -> pin,
26 * for input, pin -> ... -> ADC.
30 * multi[] indicates whether it's a selector widget with multi-connectors
56 /* mic/line-in auto switching entry */
62 int idx; /* imux index, -1 = invalid */
[all …]
/linux/Documentation/sound/cards/
H A Dhdspm.rst2 Software Interface ALSA-DSP MADI Driver
5 (translated from German, so no good English ;-),
7 2004 - winfried ritsch
11 the Controls and startup-options are ALSA-Standard and only the
19 ------------------
21 * number of channels -- depends on transmission mode
29 * Single Speed -- 1..64 channels
37 * Double Speed -- 1..32 channels
40 Note: Choosing the 56-channel mode for
41 transmission/receive-mode , only 28 are transmitted/received
[all …]
/linux/drivers/staging/rtl8723bs/include/
H A Dhal_data.h1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
16 /* <Roger_Notes> For RTL8723 WiFi/BT/GPS multi-function configuration. 2010.10.06. */
166 enum rt_multi_func MultiFunc; /* For multi-function consideration. */
168 enum rt_regulator_mode RegulatorMode; /* switching regulator or LDO */
180 u8 nCur40MhzPrimeSC;/* Control channel sub-carrier */
185 u16 ForcedDataRate;/* Force Data Rate. 0: Auto, 0x02: 1M ~ 0x6C: 54M. */
237 /* CCK = 0 OFDM = 1 HT-MCS 0-7 = 2 */
247 s8 TxPwrHt20Diff[RF_PATH_MAX_92C_88E][CHANNEL_MAX_NUMBER];/* HT 20<->40 Pwr diff */
248 u8 TxPwrLegacyHtDiff[RF_PATH_MAX_92C_88E][CHANNEL_MAX_NUMBER];/* For HT<->legacy pwr diff */
[all …]
/linux/Documentation/driver-api/driver-model/
H A Doverview.rst16 bus-specific drivers for bridges and devices by consolidating a set of data
19 Traditional driver models implemented some sort of tree-like structure
33 on an x86-compatible system can work within this paradigm. Of course,
43 and sometimes by the device-specific drivers.
60 they're doing when switching between the bus driver and the global driver,
93 The auto-mounting of sysfs is typically accomplished by an entry similar to
98 or something similar in the /lib/init/fstab file on Debian-based systems::
104 # mount -t sysfs sysfs /sys
107 This directory may be populated at each layer of discovery - the global layer,
110 The global layer currently creates two files - 'name' and 'power'. The
[all …]
/linux/arch/arc/kernel/
H A Dintc-arcv2.c1 // SPDX-License-Identifier: GPL-2.0-only
25 * -Called very early (start_kernel -> setup_arch -> setup_processor)
26 * -Platform Independent (must for any ARC Core)
27 * -Needed for each CPU (hence not foldable into init_IRQ)
60 * Typical builds though have only two levels (0-high, 1-low) in arc_init_IRQ()
67 irq_prio = irq_bcr.prio; /* Encoded as N-1 for N levels */ in arc_init_IRQ()
68 pr_info("archs-intc\t: %d priority levels (default %d)%s\n", in arc_init_IRQ()
74 * switching of register banks if Fast IRQ and multiple register banks in arc_init_IRQ()
76 * Also disable private-per-core IRQ lines so faulty external HW won't in arc_init_IRQ()
101 write_aux_reg(AUX_IRQ_SELECT, data->hwirq); in arcv2_irq_mask()
[all …]
/linux/arch/arc/mm/
H A Dtlbex.S1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
8 * -MMU v1: moved out legacy code into a separate file
9 * -MMU v3: PD{0,1} bits layout changed: They don't overlap anymore,
13 * -For MMU V2, we need not do heuristics at the time of committing a D-TLB
14 * entry, so that it doesn't knock out its I-TLB entry
15 * -Some more fine tuning:
19 * -Practically rewrote the I/D TLB Miss handlers
26 * -Passing ECR (Exception Cause REG) to do_page_fault( ) for printing
30 * -Added Debug Code to check if sw-ASID == hw-ASID
[all …]
/linux/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/
H A Dkconfig.rst1 .. SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
34 | built-in into mlx5_core.ko.
39 …g (DCB) Support <https://enterprise-support.nvidia.com/s/article/howto-auto-config-pfc-and-ets-on-…
53 | Flow-based classifiers, such as those registered through
54 | `tc-flower(8)`, are processed by the device, rather than the
61 | Enables Hardware-accelerated receive flow steering (arfs) support, and ntuple filtering.
62 | https://enterprise-support.nvidia.com/s/article/howto-configure-arfs-on-connectx-4
67 | Enables :ref:`IPSec XFRM cryptography-offload acceleration <xfrm_device>`.
72 | Build support for MACsec cryptography-offload acceleration in the NIC.
83 | TLS cryptography-offload acceleration.
[all …]
/linux/Documentation/admin-guide/laptops/
H A Dthinkpad-acpi.rst9 - Borislav Deianov <borislav@users.sf.net>
10 - Henrique de Moraes Holschuh <hmh@hmh.eng.br>
12 http://ibm-acpi.sf.net/
19 This driver used to be named ibm-acpi until kernel 2.6.21 and release
20 0.13-20070314. It used to be in the drivers/acpi tree, but it was
21 moved to the drivers/misc tree and renamed to thinkpad-acpi for kernel
25 The driver is named "thinkpad-acpi". In some places, like module
29 "tpacpi" is used as a shorthand where "thinkpad-acpi" would be too
33 ------
38 - Fn key combinations
[all …]
/linux/drivers/tty/vt/
H A Dvt_ioctl.c1 // SPDX-License-Identifier: GPL-2.0
5 * Dynamic diacritical handling - aeb@cwi.nl - Dec 1993
6 * Dynamic keymap and string allocation - aeb@cwi.nl - May 1994
7 * Restrict VT switching via ioctl() - grif@cs.ucr.edu - Dec 1995
8 * Some code moved for less code duplication - Andi Kleen - Mar 1997
9 * Check put/get_user, cleanups - acme@conectiva.com.br - Jun 2001
50 * while we're checking whether it's in-use. in vt_in_use()
54 return vc && kref_read(&vc->port.kref) > 1; in vt_in_use()
77 * ttys 0..MAX_NR_CONSOLES-1). Explicitly naming VT 0 is illegal, but using
123 if (!(ve->event.event & event)) in vt_event_post()
[all …]
/linux/drivers/mmc/host/
H A Dsdhci-tegra.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/dma-mapping.h>
20 #include <linux/mmc/slot-gpio.h>
32 #include "sdhci-cqhci.h"
33 #include "sdhci-pltfm.h"
108 * HAS_PADCALIB NVQUIRK is for SoC's supporting auto calibration of pads
192 const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data; in tegra_sdhci_readw()
194 if (unlikely((soc_data->nvquirks & NVQUIRK_FORCE_SDHCI_SPEC_200) && in tegra_sdhci_readw()
200 return readw(host->ioaddr + reg); in tegra_sdhci_readw()
213 pltfm_host->xfer_mode_shadow = val; in tegra_sdhci_writew()
[all …]
/linux/Documentation/driver-api/usb/
H A Dpower-management.rst1 .. _usb-power-management:
7 :Date: Last-updated: February 2014
11 ---------
17 * Changing the default idle-delay time
31 -------------------------
35 component is ``suspended`` it is in a nonfunctional low-power state; it
37 ``resumed`` (returned to a functional full-power state) when the kernel
67 ----------------------
85 --------------------------
101 -------------------
[all …]

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