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| /Linux-v6.6/Documentation/devicetree/bindings/phy/ |
| D | realtek,usb2phy.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Stanley Chang <stanley_chang@realtek.com>
20 The USB architecture includes three XHCI controllers.
23 XHCI controller#0 -- usb2phy -- phy#0
24 |- usb3phy -- phy#0
25 XHCI controller#1 -- usb2phy -- phy#0
26 XHCI controller#2 -- usb2phy -- phy#0
27 |- usb3phy -- phy#0
[all …]
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| /Linux-v6.6/Documentation/devicetree/bindings/interrupt-controller/ |
| D | img,pdc-intc.txt | 10 - compatible: Specifies the compatibility list for the interrupt controller.
11 The type shall be <string> and the value shall include "img,pdc-intc".
13 - reg: Specifies the base PDC physical address(s) and size(s) of the
14 addressable register space. The type shall be <prop-encoded-array>.
16 - interrupt-controller: The presence of this property identifies the node
19 - #interrupt-cells: Specifies the number of cells needed to encode an
22 - num-perips: Number of waking peripherals.
24 - num-syswakes: Number of SysWake inputs.
26 - interrupts: List of interrupt specifiers. The first specifier shall be the
34 - <1st-cell>: The interrupt-number that identifies the interrupt source.
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| D | riscv,cpu-intc.txt | 1 RISC-V Hart-Level Interrupt Controller (HLIC)
2 ---------------------------------------------
4 RISC-V cores include Control Status Registers (CSRs) which are local to each
5 CPU core (HART in RISC-V terminology) and can be read or written by software.
10 The RISC-V supervisor ISA manual specifies three interrupt sources that are
13 timer interrupt comes from an architecturally mandated real-time timer that is
16 via the platform-level interrupt controller (PLIC).
18 All RISC-V systems that conform to the supervisor ISA specification are
19 required to have a HLIC with these three interrupt sources present. Since the
27 - compatible : "riscv,cpu-intc"
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| /Linux-v6.6/arch/x86/um/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
15 bool "64-bit kernel" if "$(SUBARCH)" = "x86"
32 bool "Three-level pagetables" if !64BIT
35 Three-level pagetables will let UML have more than 4G of physical
39 However, this it experimental on 32-bit architectures, so if unsure say
40 N (on x86-64 it's automatically enabled, instead, as it's safe there).
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| /Linux-v6.6/Documentation/scheduler/ |
| D | sched-stats.rst | 11 12 which was in the kernel from 2.6.13-2.6.19 (version 13 never saw a kernel
12 release). Some counters make more sense to be per-runqueue; other to be
13 per-domain. Note that domains (and their associated information) will only
16 In version 14 of schedstat, there is at least one level of domain
22 are no architectures which need more than three domain levels. The first
33 Note that any such script will necessarily be version-specific, as the main
38 --------------
45 Next three are schedule() statistics:
57 Next three are statistics describing scheduling latency:
66 -----------------
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| D | sched-nice-design.rst | 6 nice-levels implementation in the new Linux scheduler.
12 scheduler, (otherwise we'd have done it long ago) because nice level
19 rule so that nice +19 level would be _exactly_ 1 jiffy. To better
34 -*----------------------------------*-----> [nice level]
35 -20 | +19
52 right minimal granularity - and this translates to 5% CPU utilization.
53 But the fundamental HZ-sensitive property for nice+19 still remained,
56 too _strong_ :-)
59 within the constraints of HZ and jiffies and their nasty design level
63 about Linux's nice level support was its asymmetry around the origin
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| /Linux-v6.6/arch/sh/boards/mach-dreamcast/ |
| D | irq.c | 1 // SPDX-License-Identifier: GPL-2.0
18 * Dreamcast System ASIC Hardware Events -
28 * There are three 32-bit ESRs located at 0xa05f6900 - 0xa05f6908. Event
29 * types can be found in arch/sh/include/mach-dreamcast/mach/sysasic.h.
30 * There are three groups of EMRs that parallel the ESRs. Each EMR group
31 * corresponds to an IRQ, so 0xa05f6910 - 0xa05f6918 triggers IRQ 13,
32 * 0xa05f6920 - 0xa05f6928 triggers IRQ 11, and 0xa05f6930 - 0xa05f6938
39 * 6900/6910 - Events 0-31, IRQ 13
40 * 6904/6924 - Events 32-63, IRQ 11
41 * 6908/6938 - Events 64-95, IRQ 9
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| /Linux-v6.6/drivers/gpu/drm/amd/include/ivsrcid/dcn/ |
| D | irqsrcs_dcn_1_0.h | 30 …C_I2C_SW_DONE 1 // DC_I2C SW done DC_I2C_SW_DONE_INTERRUPT DISP_INTERRUPT_STATUS Level
33 … // DC_I2C DDC1 HW done DOUT_IHC_I2C_DDC1_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
36 … // DC_I2C DDC2 HW done DOUT_IHC_I2C_DDC2_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
39 … // DC_I2C DDC3 HW done DOUT_IHC_I2C_DDC3_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
42 … // DC_I2C_DDC4 HW done DOUT_IHC_I2C_DDC4_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
45 … // DC_I2C_DDC5 HW done DOUT_IHC_I2C_DDC5_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
48 … // DC_I2C_DDC6 HW done DOUT_IHC_I2C_DDC6_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
51 …DC_I2C_DDCVGA HW done DOUT_IHC_I2C_DDCVGA_HW_DONE_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level
54 …DC1 read request DC_I2C_DDC1_READ_REQUEST_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level / Pulse
57 …DC2 read request DC_I2C_DDC2_READ_REQUEST_INTERRUPT DISP_INTERRUPT_STATUS_CONTINUE21 Level / Pulse
[all …]
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| /Linux-v6.6/Documentation/devicetree/bindings/opp/ |
| D | opp-v2-base.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/opp/opp-v2-base.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <viresh.kumar@linaro.org>
13 Devices work at voltage-current-frequency combinations and some implementations
25 pattern: '^opp-table(-[a-z0-9]+)?$'
27 opp-shared:
36 '^opp(-?[0-9]+)*$':
39 One or more OPP nodes describing voltage-current-frequency combinations.
[all …]
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| /Linux-v6.6/Documentation/virt/ |
| D | paravirt_ops.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 including native machine -- without any hypervisors.
16 corresponding to low-level critical instructions and high-level
18 time by enabling binary patching of the low-level critical operations
21 pv_ops operations are classified into three categories:
23 - simple indirect call
24 These operations correspond to high-level functionality where it is
27 - indirect call which allows optimization with binary patch
28 Usually these operations correspond to low-level critical instructions. They
32 - a set of macros for hand written assembly code
|
| /Linux-v6.6/Documentation/power/regulator/ |
| D | overview.rst | 26 - Regulator
27 - Electronic device that supplies power to other devices.
31 Input Voltage -> Regulator -> Output Voltage
34 - PMIC
35 - Power Management IC. An IC that contains numerous
39 - Consumer
40 - Electronic device that is supplied power by a regulator.
41 Consumers can be classified into two types:-
52 - Power Domain
53 - Electronic circuit that is supplied its input power by the
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| /Linux-v6.6/Documentation/devicetree/bindings/watchdog/ |
| D | linux,wdt-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/linux,wdt-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-controlled Watchdog
10 - Guenter Roeck <linux@roeck-us.net>
11 - Robert Marko <robert.marko@sartura.hr>
15 const: linux,wdt-gpio
24 - description:
25 Either a high-to-low or a low-to-high transition clears the WDT counter.
[all …]
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| /Linux-v6.6/arch/m68k/mac/ |
| D | macints.c | 1 // SPDX-License-Identifier: GPL-2.0
7 * exclusively use the autovector interrupts (the 'generic level0-level7'
8 * interrupts with exception vectors 0x19-0x1f). The following interrupt levels
10 * 1 - VIA1
11 * - slot 0: one second interrupt (CA2)
12 * - slot 1: VBlank (CA1)
13 * - slot 2: ADB data ready (SR full)
14 * - slot 3: ADB data (CB2)
15 * - slot 4: ADB clock (CB1)
16 * - slot 5: timer 2
[all …]
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| /Linux-v6.6/Documentation/ABI/testing/ |
| D | sysfs-driver-wacom | 4 Contact: linux-bluetooth@vger.kernel.org
14 Contact: linux-input@vger.kernel.org
25 Contact: linux-input@vger.kernel.org
30 button is pressed on the stylus. This luminance level is
31 normally lower than the level when a button is pressed.
35 Contact: linux-input@vger.kernel.org
44 Contact: linux-input@vger.kernel.org
49 24HD) status LEDs is active (0..3). The other three LEDs on the
54 Contact: linux-input@vger.kernel.org
58 and Cintiq 24HD) status LEDs is active (0..3). The other three LEDs on
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| /Linux-v6.6/Documentation/hwmon/ |
| D | lm78.rst | 6 * National Semiconductor LM78 / LM78-J
10 Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
20 Addresses scanned: I2C 0x28 - 0x2f, ISA 0x290 (8 I/O ports)
28 - Frodo Looijaard <frodol@dds.nl>
29 - Jean Delvare <jdelvare@suse.de>
32 -----------
34 This driver implements support for the National Semiconductor LM78, LM78-J
37 There is almost no difference between the three supported chips. Functionally,
38 the LM78 and LM78-J are exactly identical. The LM79 has one more VID line,
40 From here on, LM7* means either of these three types.
[all …]
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| D | pc87360.rst | 22 -----------------
25 Chip initialization level:
27 - 0: None
28 - **1**: Forcibly enable internal voltage and temperature channels,
30 - 2: Forcibly enable all voltage and temperature channels, except in9
31 - 3: Forcibly enable all voltage and temperature channels, including in9
42 -----------
49 hardware monitoring chipsets, not only controlling and monitoring three fans,
56 PC87360 - 2 2 - 0xE1
57 PC87363 - 2 2 - 0xE8
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| /Linux-v6.6/arch/x86/include/asm/ |
| D | pgtable_32.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 * The Linux memory management assumes a three-level page table setup. On
9 * the i386, we use that, but "fold" the mid level into the top-level page
10 * table, so that we physically have the same two-level page table as the
36 # include <asm/pgtable-3level.h>
38 # include <asm/pgtable-2level.h>
57 * the PMD's in addition to the pages required for the last level pagetables.
70 * with only a host target support using a 32-bit type for internal
73 #define LOWMEM_PAGES ((((_ULL(2)<<31) - __PAGE_OFFSET) >> PAGE_SHIFT))
|
| /Linux-v6.6/Documentation/admin-guide/ |
| D | sysfs-rules.rst | 4 The kernel-exported sysfs exports internal kernel implementation details
11 low-level userspace applications, with a new kernel release, the users
12 of sysfs must follow some rules to use an as-abstract-as-possible way to
21 - Do not use libsysfs
23 offer any abstraction, it exposes all the kernel driver-core
31 - sysfs is always at ``/sys``
38 - devices are only "devices"
39 There is no such thing like class-, bus-, physical devices,
41 just simply a "device". Class-, bus-, physical, ... types are just
47 - devpath (``/devices/pci0000:00/0000:00:1d.1/usb2/2-2/2-2:1.0``)
[all …]
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| /Linux-v6.6/Documentation/mm/damon/ |
| D | design.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 DAMON subsystem is configured with three layers including
13 - Operations Set: Implements fundamental operations for DAMON that depends on
14 the given monitoring target address-space and available set of
16 - Core: Implements core logics including monitoring overhead/accurach control
17 and access-aware system operations on top of the operations set layer, and
18 - Modules: Implements kernel modules for various purposes that provides
23 ---------------------------
25 For data access monitoring and additional low level work, DAMON needs a set of
45 --------------------
[all …]
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| /Linux-v6.6/Documentation/core-api/ |
| D | genericirq.rst | 7 :Copyright: |copy| 2005-2010: Thomas Gleixner
8 :Copyright: |copy| 2005-2006: Ingo Molnar
29 __do_IRQ() super-handler, which is able to deal with every type of
36 - Level type
38 - Edge type
40 - Simple type
44 - Fast EOI type
46 In the SMP world of the __do_IRQ() super-handler another type was
49 - Per CPU type
51 This split implementation of high-level IRQ handlers allows us to
[all …]
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| /Linux-v6.6/lib/zlib_inflate/ |
| D | inffast.c | 1 /* inffast.c -- fast decoding
2 * Copyright (C) 1995-2004 Mark Adler
33 available, an end-of-block is encountered, or a data error is encountered.
40 state->mode == LEN
41 strm->avail_in >= 6
42 strm->avail_out >= 258
43 start >= strm->avail_out
44 state->bits < 8
46 On return, state->mode is one of:
48 LEN -- ran out of enough output space or enough available input
[all …]
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| /Linux-v6.6/arch/parisc/include/asm/ |
| D | pgalloc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
16 #include <asm-generic/pgalloc.h>
18 /* Allocate the top level pgd (page directory) */
39 /* Three Level Page Table Support for pmd's */
|
| /Linux-v6.6/Documentation/virt/hyperv/ |
| D | overview.rst | 1 .. SPDX-License-Identifier: GPL-2.0
6 enlightened guest on Microsoft's Hyper-V hypervisor. Hyper-V
7 consists primarily of a bare-metal hypervisor plus a virtual machine
10 partitions. In this documentation, references to Hyper-V usually
15 Hyper-V runs on x86/x64 and arm64 architectures, and Linux guests
16 are supported on both. The functionality and behavior of Hyper-V is
19 Linux Guest Communication with Hyper-V
20 --------------------------------------
21 Linux guests communicate with Hyper-V in four different ways:
24 some guest actions trap to Hyper-V. Hyper-V emulates the action and
[all …]
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| /Linux-v6.6/Documentation/arch/m68k/ |
| D | buddha-driver.rst | 8 ------------------------------------------------------------------------
11 Buddha-part of the Catweasel Zorro-II version
21 product number: 0 (42 for Catweasel Z-II)
23 Rom-vector: $1000
25 The card should be a Z-II board, size 64K, not for freemem
26 list, Rom-Vektor is valid, no second Autoconfig-board on the
30 as the Amiga Kickstart does: The lower nibble of the 8-Bit
36 otherwise your chance is only 1:16 to find the board :-).
38 The local memory-map is even active when mapped to $e8:
41 $0-$7e Autokonfig-space, see Z-II docs.
[all …]
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| /Linux-v6.6/include/linux/ |
| D | rcu_node_tree.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * global attributes while avoiding common-case global contention. A key
5 * property that these computations rely on is a tournament-style approach
6 * where only one of the tasks contending a lower level in the tree need
7 * advance to the next higher level. If properly configured, this allows
8 * unlimited scalability while maintaining a constant level of contention
11 * This seemingly RCU-private file must be available to SRCU users
29 * In practice, this did work well going from three levels to four.
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