| /Documentation/devicetree/bindings/timer/ |
| D | renesas,cmt.txt | 3 The CMT is a multi-channel 16/32/48-bit timer/counter with configurable clock
15 - "renesas,r8a73a4-cmt0" for the 32-bit CMT0 device included in r8a73a4.
16 - "renesas,r8a73a4-cmt1" for the 48-bit CMT1 device included in r8a73a4.
17 - "renesas,r8a7740-cmt0" for the 32-bit CMT0 device included in r8a7740.
18 - "renesas,r8a7740-cmt1" for the 48-bit CMT1 device included in r8a7740.
19 - "renesas,r8a7740-cmt2" for the 32-bit CMT2 device included in r8a7740.
20 - "renesas,r8a7740-cmt3" for the 32-bit CMT3 device included in r8a7740.
21 - "renesas,r8a7740-cmt4" for the 32-bit CMT4 device included in r8a7740.
22 - "renesas,r8a7743-cmt0" for the 32-bit CMT0 device included in r8a7743.
23 - "renesas,r8a7743-cmt1" for the 48-bit CMT1 device included in r8a7743.
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| D | andestech,atcpit100-timer.txt | 11 One 32-bit timer
12 Two 16-bit timers
13 Four 8-bit timers
14 One 16-bit PWM
15 One 16-bit timer and one 8-bit PWM
16 Two 8-bit timer and one 8-bit PWM
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| /Documentation/devicetree/bindings/mfd/ |
| D | mc13xxx.txt | 55 sw1a : regulator SW1A (register 24, bit 0)
56 sw1b : regulator SW1B (register 25, bit 0)
57 sw2a : regulator SW2A (register 26, bit 0)
58 sw2b : regulator SW2B (register 27, bit 0)
59 sw3 : regulator SW3 (register 29, bit 20)
60 vaudio : regulator VAUDIO (register 32, bit 0)
61 viohi : regulator VIOHI (register 32, bit 3)
62 violo : regulator VIOLO (register 32, bit 6)
63 vdig : regulator VDIG (register 32, bit 9)
64 vgen : regulator VGEN (register 32, bit 12)
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| /Documentation/devicetree/bindings/ |
| D | trivial-devices.yaml | 115 # 5 Bit Programmable, Pulse-Width Modulator
117 # Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs
121 # 9-Bit/12-Bit Temperature Sensors with I²C-Compatible Serial Interface
123 # mCube 3-axis 8-bit digital accelerometer
125 # MEMSIC 2-axis 8-bit digital accelerometer
127 # Microchip 7-bit Single I2C Digital POT (5k)
129 # Microchip 7-bit Single I2C Digital POT (10k)
131 # Microchip 7-bit Single I2C Digital POT (50k)
133 # Microchip 7-bit Single I2C Digital POT (100k)
135 # Microchip 7-bit Single I2C Digital POT (5k)
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| /Documentation/devicetree/bindings/crypto/ |
| D | fsl-sec2.txt | 16 (EUs) are available. It's a single 32-bit cell. EU information
20 bit 0 = reserved - should be 0
21 bit 1 = set if SEC has the ARC4 EU (AFEU)
22 bit 2 = set if SEC has the DES/3DES EU (DEU)
23 bit 3 = set if SEC has the message digest EU (MDEU/MDEU-A)
24 bit 4 = set if SEC has the random number generator EU (RNG)
25 bit 5 = set if SEC has the public key EU (PKEU)
26 bit 6 = set if SEC has the AES EU (AESU)
27 bit 7 = set if SEC has the Kasumi EU (KEU)
28 bit 8 = set if SEC has the CRC EU (CRCU)
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| /Documentation/i2c/ |
| D | ten-bit-addresses.rst | 2 I2C Ten-bit Addresses
5 The I2C protocol knows about two kinds of device addresses: normal 7 bit
6 addresses, and an extended set of 10 bit addresses. The sets of addresses
7 do not intersect: the 7 bit address 0x10 is not the same as the 10 bit
9 To avoid ambiguity, the user sees 10 bit addresses mapped to a different
11 10 bit mode. This is used for creating device names in sysfs. It is also
12 needed when instantiating 10 bit devices via the new_device file in sysfs.
14 I2C messages to and from 10-bit address devices have a different format.
17 The current 10 bit address support is minimal. It should work, however
20 * Not all bus drivers support 10-bit addresses. Some don't because the
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| /Documentation/devicetree/bindings/powerpc/ |
| D | ibm,powerpc-cpu-features.txt | 96 Value type: <u32> bit mask
98 Bit numbers are LSB0
99 bit 0 - PR (problem state / user mode)
100 bit 1 - OS (privileged state)
101 bit 2 - HV (hypervisor state)
107 If bit 0 is set, then the hwcap-bit-nr property will exist.
112 Value type: <u32> bit mask
114 Bit numbers are LSB0
115 bit 0 - HFSCR
125 If the HFSCR bit is set, then the hfscr-bit-nr property will exist and
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| /Documentation/media/uapi/cec/ |
| D | cec-pin-error-inj.rst | 51 # <op>[,<mode>] rx-low-drive <bit> force a low-drive condition at this bit position
63 # <op>[,<mode>] tx-no-eom don't set the EOM bit
64 # <op>[,<mode>] tx-early-eom set the EOM bit one byte too soon
67 # <op>[,<mode>] tx-short-bit <bit> make this bit shorter than allowed
68 # <op>[,<mode>] tx-long-bit <bit> make this bit longer than allowed
69 # <op>[,<mode>] tx-custom-bit <bit> send the custom pulse instead of this bit
73 # <op>[,<mode>] tx-last-bit <bit> stop sending after this bit
74 # <op>[,<mode>] tx-low-drive <bit> force a low-drive condition at this bit position
78 # <bit> CEC message bit (0-159)
79 # 10 bits per 'byte': bits 0-7: data, bit 8: EOM, bit 9: ACK
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| /Documentation/devicetree/bindings/regulator/ |
| D | anatop-regulator.txt | 7 - anatop-vol-bit-shift: Bit shift for the register
8 - anatop-vol-bit-width: Number of bits used in the register
9 - anatop-min-bit-val: Minimum value of this register
15 - anatop-delay-bit-shift: Bit shift for the step time register
16 - anatop-delay-bit-width: Number of bits used in the step time register
18 - anatop-enable-bit: Regulator enable bit offset
32 anatop-vol-bit-shift = <9>;
33 anatop-vol-bit-width = <5>;
35 anatop-delay-bit-shift = <24>;
36 anatop-delay-bit-width = <2>;
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| /Documentation/devicetree/bindings/gpio/ |
| D | gpio-74xx-mmio.txt | 5 "ti,741g125": for 741G125 (1-bit Input),
6 "ti,741g174": for 741G74 (1-bit Output),
7 "ti,742g125": for 742G125 (2-bit Input),
8 "ti,7474" : for 7474 (2-bit Output),
9 "ti,74125" : for 74125 (4-bit Input),
10 "ti,74175" : for 74175 (4-bit Output),
11 "ti,74365" : for 74365 (6-bit Input),
12 "ti,74174" : for 74174 (6-bit Output),
13 "ti,74244" : for 74244 (8-bit Input),
14 "ti,74273" : for 74273 (8-bit Output),
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| /Documentation/admin-guide/ |
| D | highuid.rst | 2 Notes on the change from 16-bit UIDs to 32-bit UIDs
15 What's left to be done for 32-bit UIDs on all Linux architectures:
22 properly with huge UIDs. If it can deal with 64-bit file offsets on all
27 (currently, the old 16-bit UID and GID are still written to disk, and
28 part of the former pad space is used to store separate 32-bit UID and
31 - Need to validate that OS emulation calls the 16-bit UID
32 compatibility syscalls, if the OS being emulated used 16-bit UIDs, or
33 uses the 32-bit UID system calls properly otherwise.
40 (need to support whatever new 32-bit UID system calls are added to
45 At present, 32-bit UIDs _should_ work for:
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| /Documentation/x86/ |
| D | amd-memory-encryption.rst | 23 A page is encrypted when a page table entry has the encryption bit set (see
24 below on how to determine its position). The encryption bit can also be
27 bit in the page table entry that points to the next table. This allows the full
29 encryption bit is set in cr3, doesn't imply the full hierarchy is encrypted.
30 Each page table entry in the hierarchy needs to have the encryption bit set to
31 achieve that. So, theoretically, you could have the encryption bit set in cr3
32 so that the PGD is encrypted, but not set the encryption bit in the PGD entry
38 memory. Since the memory encryption bit is controlled by the guest OS when it
39 is operating in 64-bit or 32-bit PAE mode, in all other modes the SEV hardware
40 forces the memory encryption bit to 1.
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| /Documentation/devicetree/bindings/leds/ |
| D | register-bit-led.txt | 1 Device Tree Bindings for Register Bit LEDs
3 Register bit leds are used with syscon multifunctional devices
5 single LED. The register bit LEDs appear as children to the
16 - compatible : must be "register-bit-led"
18 - mask : bit mask for the bit controlling this LED in the register
36 compatible = "register-bit-led";
44 compatible = "register-bit-led";
52 compatible = "register-bit-led";
60 compatible = "register-bit-led";
67 compatible = "register-bit-led";
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| /Documentation/devicetree/bindings/dma/ |
| D | stm32-mdma.txt | 47 3. A 32bit mask specifying the DMA channel configuration
48 -bit 0-1: Source increment mode
52 -bit 2-3: Destination increment mode
58 -bit 8-9: Source increment offset size
59 0x00: byte (8bit)
60 0x01: half-word (16bit)
61 0x10: word (32bit)
62 0x11: double-word (64bit)
63 -bit 10-11: Destination increment offset size
64 0x00: byte (8bit)
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| /Documentation/devicetree/bindings/hwmon/ |
| D | max6697.txt | 31 Alert bit mask. Alert disabled for bits set.
32 Select bit 0 for local temperature, bit 1..7 for remote temperatures.
35 Over-temperature bit mask. Over-temperature reporting disabled for
37 Select bit 0 for local temperature, bit 1..7 for remote temperatures.
44 specified as boolean, otherwise as per bit mask specified.
45 Only supported for remote temperatures (bit 1..7).
49 For MAX6581 only. Two values; first is bit mask, second is ideality
50 select value as per MAX6581 data sheet. Select bit 1..7 for remote
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| /Documentation/EDID/ |
| D | edid.S | 81 /* If Bit 7=1 Digital input. If set, the following bit definitions apply:
83 Bit 0 Signal is compatible with VESA DFP 1.x TMDS CRGB,
85 If Bit 7=0 Analog input. If clear, the following bit definitions apply:
89 Bit 4 Blank-to-black setup (pedestal) expected
90 Bit 3 Separate sync supported
91 Bit 2 Composite sync (on HSync) supported
92 Bit 1 Sync on green supported
93 Bit 0 VSync pulse must be serrated when somposite or
108 /* Bit 7 DPMS standby supported
109 Bit 6 DPMS suspend supported
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| /Documentation/PCI/endpoint/ |
| D | pci-test-function.rst | 44 Bit 0 raise legacy IRQ
45 Bit 1 raise MSI IRQ
46 Bit 2 raise MSI-X IRQ
47 Bit 3 read command (read data from RC buffer)
48 Bit 4 write command (write data to RC buffer)
49 Bit 5 copy command (copy data from one RC buffer to another RC buffer)
59 Bit 0 read success
60 Bit 1 read fail
61 Bit 2 write success
62 Bit 3 write fail
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| /Documentation/media/uapi/rc/ |
| D | rc-protos.rst | 19 Other things can be encoded too. Some IR protocols encode a toggle bit; this
22 toggle bit will invert from one IR message to the next.
43 * - rc-5 bit
45 - scancode bit
53 - Start bit, always set
59 - 2nd start bit in rc5, re-used as 6th command bit
65 - Toggle bit
80 where there the second stop bit is the 6th commmand bit, but inverted.
82 schemes. This bit is stored in bit 6 of the scancode, inverted. This is
87 This is much like rc-5 but one bit longer. The scancode is encoded
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| /Documentation/devicetree/bindings/mmc/ |
| D | sdhci.txt | 7 - sdhci-caps-mask: The sdhci capabilities register is incorrect. This 64bit
8 property corresponds to the bits in the sdhci capability register. If the bit
9 is on in the mask then the bit is incorrect in the register and should be
11 - sdhci-caps: The sdhci capabilities register is incorrect. This 64bit
13 bit is on in the property then the bit should be turned on.
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| /Documentation/devicetree/bindings/edac/ |
| D | socfpga-eccmgr.txt | 3 The ECC Manager counts and corrects single bit errors and counts/handles
4 double bit errors which are uncorrectable.
19 - interrupts : Should be single bit error interrupt, then double bit error
27 - interrupts : Should be single bit error interrupt, then double bit error
63 - interrupts : Should be single bit error interrupt, then double bit error
75 - interrupts : Should be single bit error interrupt, then double bit error
82 - interrupts : Should be single bit error interrupt, then double bit error
90 - interrupts : Should be single bit error interrupt, then double bit error
98 - interrupts : Should be single bit error interrupt, then double bit error
106 - interrupts : Should be single bit error interrupt, then double bit error
[all …]
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| /Documentation/devicetree/bindings/clock/ti/ |
| D | gate.txt | 39 - ti,bit-shift : bit shift for programming the clock gate, invalid for
41 - ti,set-bit-to-disable : inverts default gate programming. Setting the bit
42 gates the clock and clearing the bit ungates the clock.
50 ti,bit-shift = <25>;
58 ti,bit-shift = <23>;
66 ti,bit-shift = <0>;
74 ti,bit-shift = <1>;
87 ti,bit-shift = <0x1b>;
89 ti,set-bit-to-disable;
96 ti,bit-shift = <3>;
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| D | autoidle.txt | 7 and a configuration bit setting. Autoidle clock is never an individual
15 - ti,autoidle-shift : bit shift of the autoidle enable bit
16 - ti,invert-autoidle-bit : autoidle is enabled by setting the bit to 0
27 ti,invert-autoidle-bit;
38 ti,invert-autoidle-bit;
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| /Documentation/input/devices/ |
| D | elantech.rst | 118 calculating a parity bit for the last 3 bytes of each packet. The driver
183 bit 7 6 5 4 3 2 1 0
197 bit 7 6 5 4 3 2 1 0
240 bit 7 6 5 4 3 2 1 0
244 some models have M as byte 3 odd parity bit
246 p1..p2 = byte 1 and 2 odd parity bit
251 bit 7 6 5 4 3 2 1 0
259 bit 7 6 5 4 3 2 1 0
268 bit 7 6 5 4 3 2 1 0
289 bit 7 6 5 4 3 2 1 0
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| /Documentation/ |
| D | crc32.txt | 17 subtract, we just xor. Thus, we tend to get a bit sloppy about
21 To produce a 32-bit CRC, the divisor is actually a 33-bit CRC polynomial.
22 Since it's 33 bits long, bit 32 is always going to be set, so usually the
23 CRC is written in hex with the most significant bit omitted. (If you're
30 little-endian; the most significant bit (sometimes used for parity)
34 Just like with ordinary division, you proceed one digit (bit) at a time.
35 Each step of the division you take one more digit (bit) of the dividend
39 and to make the XOR cancel, it's just a copy of bit 32 of the remainder.
42 throw the quotient bit away, but subtract the appropriate multiple of
44 ready to process the next bit.
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| /Documentation/devicetree/bindings/powerpc/4xx/ |
| D | cpm.txt | 17 bit in the cell, the corresponding bit
21 bit in the cell, the corresponding bit
25 bit in the cell, the corresponding bit
29 bit in the cell, the corresponding bit
|