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/linux/Documentation/devicetree/bindings/regulator/
H A Drichtek,rtq2208.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Alina Yu <alina_yu@richtek.com>
14 multi-configurable synchronous buck converters and two LDOs.
16 Bucks support "regulator-allowed-modes" and "regulator-mode". The former defines the permitted
17 switching operation in normal mode; the latter defines the operation in suspend to RAM mode.
19 No matter the RTQ2208 is configured to normal or suspend to RAM mode, there are two switching
20 operation modes for all buck rails, automatic power saving mode (Auto mode) and forced continuous
25 0 - Auto mode for power saving, which reducing the switching frequency at light load condition
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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:
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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
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/linux/include/uapi/linux/
H A Dvt.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
7 * These constants are also useful for user-level apps (e.g., VC
28 #define VT_AUTO 0x00 /* auto vt switching */
29 #define VT_PROCESS 0x01 /* process controls switching */
62 #define VT_LOCKSWITCH 0x560B /* disallow vt switching */
63 #define VT_UNLOCKSWITCH 0x560C /* allow vt switching */
/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) },
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/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>
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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
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/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()
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/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>
53 /* The base value of the SPEC_CTRL MSR without task-specific bits set */
57 /* The current value of the SPEC_CTRL MSR with task-specific bits set */
89 * When KERNEL_IBRS this MSR is written on return-to-user, unless in update_spec_ctrl_cond()
206 hostval = ssbd_tif_to_spec_ctrl(ti->flags); in x86_virt_spec_ctrl()
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/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
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/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 */
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/linux/Documentation/devicetree/bindings/net/
H A Dti,k3-am654-cpsw-nuss.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/ti,k3-am654-cpsw-nuss.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Siddharth Vadapalli <s-vadapalli@ti.com>
11 - Roger Quadros <rogerq@kernel.org>
17 (two external) and provides Ethernet packet communication and switching.
22 Complex (UDMA-P) controller.
35 VLAN support, 802.1Q compliant, Auto add port VLAN for untagged frames on
36 ingress, Auto VLAN removal on egress and auto pad to minimum frame size.
[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
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/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/security/apparmor/
H A Daudit.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 1998-2008 Novell/SUSE
8 * Copyright 2009-2010 Canonical Ltd.
36 "AUTO"
81 * user auditing, - send user auditing to netlink interface
86 * audit_pre() - core AppArmor function.
98 aa_audit_type[ad->typ in audit_pre()
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/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 …]

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