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/linux/Documentation/devicetree/bindings/iio/adc/
H A Dadi,ad7380.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Michael Hennerich <Michael.Hennerich@analog.com>
11 - Nuno Sá <nuno.sa@analog.com>
21 * https://www.analog.com/en/products/ad7380-4.html
22 * https://www.analog.com/en/products/ad7381-4.html
23 * https://www.analog.com/en/products/ad7383-4.html
24 * https://www.analog.com/en/products/ad7384-4.html
25 * https://www.analog.com/en/products/ad7386-4.html
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/linux/Documentation/iio/
H A Dad4000.rst1 .. SPDX-License-Identifier: GPL-2.0-only
41 * `AD7988-1 <https://www.analog.com/AD7988-1>`_
42 * `AD7988-5 <https://www.analog.com/AD7988-5>`_
45 ------------------
50 CS mode, 3-wire turbo mode
53 Datasheet "3-wire" mode is what most resembles standard SPI connection which,
56 "CS Mode, 3-Wire Turbo Mode" connection in datasheets.
57 NOTE: The datasheet definition of 3-wire mode for the AD4000 series is NOT the
58 same of standard spi-3wire mode.
62 Omit the ``adi,sdi-pin`` property in device tree to select this mode.
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/linux/Documentation/devicetree/bindings/sound/
H A Dcs42l56.txt5 - compatible : "cirrus,cs42l56"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VCP-supply, VLDO-supply : power supplies for the device,
14 - cirrus,gpio-nreset : GPIO controller's phandle and the number
17 - cirrus,chgfreq-divisor : Values used to set the Charge Pump Frequency.
24 - cirrus,ain1a-ref-cfg, ain1b-ref-cfg : boolean, If present, AIN1A or AIN1B are configured
25 as a pseudo-differential input referenced to AIN1REF/AIN3A.
27 - cirrus,ain2a-ref-cfg, ain2b-ref-cfg : boolean, If present, AIN2A or AIN2B are configured
28 as a pseudo-differential input referenced to AIN2REF/AIN3B.
30 - cirrus,micbias-lvl: Set the output voltage level on the MICBIAS Pin.
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/linux/sound/soc/codecs/
H A Dak4619.c1 // SPDX-License-Identifier: GPL-2.0
3 * ak4619.c -- Asahi Kasei ALSA SoC Audio driver
47 #define DAC_DEMP 0x13 /* DAC De-Emphasis Setting */
126 /* DAC De-Emphasis Setting */
165 * min : 0xFE : -115.0 dB
168 static const DECLARE_TLV_DB_SCALE(dac_tlv, -11550, 50, 1);
175 * min: 0x00 : -6.0 dB
177 static const DECLARE_TLV_DB_SCALE(mic_tlv, -600, 300, 0);
184 * min : 0xFE : -103.0 dB
187 static const DECLARE_TLV_DB_SCALE(adc_tlv, -10350, 50, 1);
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H A Dcs42l56.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * cs42l56.c -- CS42L56 ALSA SoC audio driver
30 #include <sound/soc-dapm.h>
43 /* Analog Input 1A Reference 0=Single 1=Pseudo-Differential */
46 /* Analog Input 2A Reference 0=Single 1=Pseudo-Differential */
49 /* Analog Input 1B Reference 0=Single 1=Pseudo-Differential */
52 /* Analog Input 2B Reference 0=Single 1=Pseudo-Differential */
95 { 3, 0x7f }, /* r03 - Power Ctl 1 */
96 { 4, 0xff }, /* r04 - Power Ctl 2 */
97 { 5, 0x00 }, /* ro5 - Clocking Ctl 1 */
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H A Darizona.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * arizona.c - Wolfson Arizona class device shared support
67 dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
69 dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
71 dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
74 dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
76 dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
78 dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
84 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); in arizona_spk_ev()
85 struct arizona *arizona = dev_get_drvdata(component->dev->parent); in arizona_spk_ev()
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/linux/include/linux/platform_data/
H A Dad7266.h1 /* SPDX-License-Identifier: GPL-2.0-only */
12 * enum ad7266_range - AD7266 reference voltage range
13 * @AD7266_RANGE_VREF: Device is configured for input range 0V - VREF
15 * @AD7266_RANGE_2VREF: Device is configured for input range 0V - 2VREF
24 * enum ad7266_mode - AD7266 sample mode
25 * @AD7266_MODE_DIFF: Device is configured for full differential mode
27 * @AD7266_MODE_PSEUDO_DIFF: Device is configured for pseudo differential mode
29 * @AD7266_MODE_SINGLE_ENDED: Device is configured for single-ended mode
39 * struct ad7266_platform_data - Platform data for the AD7266 driver
42 * @fixed_addr: Whether the address pins are hard-wired
/linux/drivers/iio/adc/
H A Dad7380.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * ad7380/1 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7380-7381.pdf
10 * ad7383/4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-7384.pdf
11 …* ad7386/7/8 : https://www.analog.com/media/en/technical-documentation/data-sheets/AD7386-7387-738…
12 * ad7380-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7380-4.pdf
13 * ad7381-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7381-4.pdf
14 …* ad7383/4-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7383-4-ad7384…
15 …* ad7386/7/8-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7386-4-7387…
16 * ad7389-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/ad7389-4.pdf
17 * adaq4370-4 : https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4370-4.pdf
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H A Dad7944.c1 // SPDX-License-Identifier: GPL-2.0-only
26 #include <linux/iio/buffer-dmaengine.h>
40 /* datasheet calls this "4-wire mode" */
42 /* datasheet calls this "3-wire mode" (not related to SPI_3WIRE!) */
48 /* maps adi,spi-mode property value to enum */
67 /* Chip-specific timing specifications. */
73 /* Indicates TURBO is hard-wired to be always enabled. */
118 * AD7944_DEFINE_CHIP_INFO - Define a chip info structure for a specific chip
123 * @_diff: Whether the chip is true differential or not
134 .differential = _diff, \
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H A Dad7192.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright 2011-2015 Analog Devices Inc.
12 #include <linux/clk-provider.h>
36 #define AD7192_REG_COMM 0 /* Communications Register (WO, 8-bit) */
37 #define AD7192_REG_STAT 0 /* Status Register (RO, 8-bit) */
38 #define AD7192_REG_MODE 1 /* Mode Register (RW, 24-bit */
39 #define AD7192_REG_CONF 2 /* Configuration Register (RW, 24-bit) */
40 #define AD7192_REG_DATA 3 /* Data Register (RO, 24/32-bit) */
41 #define AD7192_REG_ID 4 /* ID Register (RO, 8-bit) */
42 #define AD7192_REG_GPOCON 5 /* GPOCON Register (RO, 8-bit) */
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/linux/drivers/comedi/drivers/
H A Damplc_pci230.c1 // SPDX-License-Identifier: GPL-2.0+
8 * COMEDI - Linux Control and Measurement Device Interface
35 * --------- ---------
43 * The AI subdevice has 16 single-ended channels or 8 differential
46 * The PCI230 and PCI260 cards have 12-bit resolution. The PCI230+ and
47 * PCI260+ cards have 16-bit resolution.
49 * For differential mode, use inputs 2N and 2N+1 for channel N (e.g. use
51 * or PCI260 then it actually uses a "pseudo-differential" mode where the
53 * use true differential sampling. Another difference is that if the
57 * PCI260+) and differential mode is used, the differential inputs need
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H A Ddt2811.c1 // SPDX-License-Identifier: GPL-2.0+
5 * COMEDI - Linux Control and Measurement Device Interface
13 * Devices: [Data Translation] DT2811-PGL (dt2811-pgl), DT2811-PGH (dt2811-pgh)
17 * [0] - I/O port base address
18 * [1] - IRQ (optional, needed for async command support)
19 * [2] - A/D reference (# of analog inputs)
20 * 0 = single-ended (16 channels)
21 * 1 = differential (8 channels)
22 * 2 = pseudo-differential (16 channels)
23 * [3] - A/D range (deprecated, see below)
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/linux/scripts/
H A Dspelling.txt547 diffreential||differential
1096 none existent||non-existent
1307 psudo||pseudo
1308 psuedo||pseudo
1770 vicefersa||vice-versa
/linux/drivers/pci/controller/
H A Dpci-aardvark.c1 // SPDX-License-Identifier: GPL-2.0
20 #include <linux/pci-ecam.h>
29 #include "../pci-bridge-emul.h"
139 #define OB_WIN_DEFAULT_ACTIONS (OB_WIN_ACTIONS(OB_WIN_COUNT-1) + 0x4)
294 writel(val, pcie->base + reg); in advk_writel()
299 return readl(pcie->base + reg); in advk_readl()
314 /* check if LTSSM is in normal operation - some L* state */ in advk_pcie_link_up()
322 * According to PCIe Base specification 3.0, Table 4-14: Link in advk_pcie_link_active()
336 * According to PCIe Base specification 3.0, Table 4-14: Link in advk_pcie_link_training()
359 return -ETIMEDOUT; in advk_pcie_wait_for_link()
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/linux/arch/powerpc/include/asm/
H A Dreg.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * number used in the Programming Environments Manual For 32-Bit
17 #include <asm/asm-const.h>
18 #include <asm/feature-fixups.h>
74 /* so tests for these bits fail on 32-bit */
116 #define MSR_TS_N 0 /* Non-transactional */
161 /* Power Management - Processor Stop Status and Control Register Fields */
165 #define PSSCR_PSLL_MASK 0x000F0000 /* Power-Saving Level Limit */
169 #define PSSCR_PLS 0xf000000000000000 /* Power-saving Level Status */
171 #define PSSCR_GUEST_VIS 0xf0000000000003ffUL /* Guest-visible PSSCR fields */
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/linux/kernel/sched/
H A Dfair.c1 // SPDX-License-Identifier: GPL-2.0
44 #include <linux/memory-tiers.h>
62 * The initial- and re-scaling of tunables is configurable
66 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
67 * SCHED_TUNABLESCALING_LOG - scaled logarithmically, *1+ilog(ncpus)
68 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
75 * Minimal preemption granularity for CPU-bound tasks:
97 return -cpu; in arch_asym_cpu_priority()
118 * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool
169 lw->weight += inc; in update_load_add()
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/linux/
H A DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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