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/linux/drivers/w1/slaves/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire slaves configuration
6 menu "1-wire Slaves"
11 Say Y here if you want to connect 1-wire thermal sensors to your
12 wire.
17 Say Y here if you want to connect 1-wire
18 simple 64bit memory rom(ds2401/ds2411/ds1990*) to your wire.
23 Say Y or M here if you want to use a DS2405 1-wire
24 single-channel addressable switch.
25 This device can also work as a single-channel
[all …]
/linux/include/linux/mfd/
H A Dmotorola-cpcap.h1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Copyright (C) 2007-2009 Motorola, Inc.
20 #define CPCAP_REVISION_MAJOR(r) (((r) >> 4) + 1)
32 #define CPCAP_REG_INT4 0x000c /* Interrupt 4 */
36 #define CPCAP_REG_INTM4 0x001c /* Interrupt Mask 4 */
40 #define CPCAP_REG_INTS4 0x002c /* Interrupt Sense 4 */
44 #define CPCAP_REG_ASSIGN4 0x003c /* Resource Assignment 4 */
87 #define CPCAP_REG_S4C1 0x0620 /* Switcher 4 Control 1 */
88 #define CPCAP_REG_S4C2 0x0624 /* Switcher 4 Control 2 */
149 #define CPCAP_REG_ADCD4 0x0c18 /* A/D Converter Data 4 */
[all …]
H A Dmxs-lradc.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Freescale MXS Low Resolution Analog-to-Digital Converter driver
18 #define LRADC_MAX_DELAY_CHANS 4
103 #define LRADC_CTRL4_LRADCSELECT_MASK(n) (0xf << ((n) * 4))
104 #define LRADC_CTRL4_LRADCSELECT_OFFSET(n) ((n) * 4)
110 #define LRADC_SINGLE_SAMPLE_MASK ((1 << LRADC_RESOLUTION) - 1)
117 * and/or touch-buttons and generic LRADC block. Therefore when using
121 * CH0 -- Touch button #0
122 * CH1 -- Touch button #1
123 * CH2 -- Touch screen XPUL
[all …]
/linux/Documentation/iio/
H A Dad4000.rst1 .. SPDX-License-Identifier: GPL-2.0-only
30 ------------------
35 CS mode, 3-wire turbo mode
38 Datasheet "3-wire" mode is what most resembles standard SPI connection which,
41 "CS Mode, 3-Wire Turbo Mode" connection in datasheets.
42 NOTE: The datasheet definition of 3-wire mode for the AD4000 series is NOT the
43 same of standard spi-3wire mode.
47 Omit the ``adi,sdi-pin`` property in device tree to select this mode.
51 +-------------+
52 + ----------------------------------| SDO |
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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dti,am3359-tsc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/ti,am3359-tsc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
14 const: ti,am3359-tsc
17 description: Wires refer to application modes i.e. 4/5/8 wire touchscreen
20 enum: [4, 5, 8]
22 ti,x-plate-resistance:
26 ti,coordinate-readouts:
[all …]
/linux/Documentation/devicetree/bindings/iio/temperature/
H A Dmaxim,max31865.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Navin Sankar Velliangiri <navin@linumiz.com>
22 maxim,3-wire:
25 enables 3-wire RTD connection. Else 2-wire or 4-wire RTD connection.
28 spi-cpha: true
31 - compatible
32 - reg
33 - spi-cpha
[all …]
/linux/arch/sh/include/mach-common/mach/
H A Dhighlander.h1 /* SPDX-License-Identifier: GPL-2.0 */
11 #define PA_SDPOW (-1)
18 #define PA_IRLPRI4 (PA_BCR+0x000a) /* Interrupt Priorty 4 */
62 #define PA_SMCR (PA_BCR+0x0600) /* 2-wire Serial control */
63 #define PA_SMSMADR (PA_BCR+0x0602) /* 2-wire Serial Slave control */
64 #define PA_SMMR (PA_BCR+0x0604) /* 2-wire Serial Mode control */
65 #define PA_SMSADR1 (PA_BCR+0x0606) /* 2-wire Serial Address1 control */
66 #define PA_SMTRDR1 (PA_BCR+0x0646) /* 2-wire Serial Data1 control */
75 #define PA_POFF (-1)
87 #define PA_ZIGIO4 (PA_BCR+0x0012) /* Zigbee IO control 4 */
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/linux/include/linux/platform_data/
H A Dusb-omap1.h15 * - "A" connector (rectagular)
17 * - "B" connector (squarish) or "Mini-B"
19 * - "Mini-AB" connector (very similar to Mini-B)
24 u8 otg; /* port number, 1-based: usb1 == 2 */
35 * 2 == usb0-only, using internal transceiver
36 * 3 == 3 wire bidirectional
37 * 4 == 4 wire bidirectional
38 * 6 == 6 wire unidirectional (or TLL)
/linux/drivers/w1/masters/
H A Damd_axi_w1.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * amd_axi_w1 - AMD 1Wire programmable logic bus host driver
5 * Copyright (C) 2022-2023 Advanced Micro Devices, Inc. All Rights Reserved.
23 /* 1-wire AMD IP definition */
41 #define AXIW1_READY BIT(4)
51 #define AXIW1_READY_IRQ_EN BIT(4)
68 * amd_axi_w1_wait_irq_interruptible_timeout() - Wait for IRQ with timeout.
73 * Return: %0 - OK, %-EINTR - Interrupted, %-EBUSY - Timed out
81 iowrite32(IRQ, amd_axi_w1_local->base_addr + AXIW1_IRQE_REG); in amd_axi_w1_wait_irq_interruptible_timeout()
82 ret = wait_event_interruptible_timeout(amd_axi_w1_local->wait_queue, in amd_axi_w1_wait_irq_interruptible_timeout()
[all …]
H A Dds2482.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ds2482.c - provides i2c to w1-master bridge(s)
7 * It is a I2C to 1-wire bridge.
8 * There are two variations: -100 and -800, which have 1 or 8 1-wire ports.
10 * http://www.maxim-ic.com/quick_view2.cfm/qv_pk/4382
25 * The APU bit controls whether an active pullup (controlled slew-rate
27 * a 1-Wire line from low to high. When APU = 0, active pullup is disabled
29 * only a single slave on the 1-Wire line.
34 "0-disable, 1-enable (default)");
36 /* extra configurations - e.g. 1WS */
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/linux/sound/ppc/
H A Dsnd_ps3_reg.h1 /* SPDX-License-Identifier: GPL-2.0-only */
39 * three wire serial
73 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
75 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
83 #define PS3_AUDIO_INTR_0_CHAN4 PS3_AUDIO_INTR_0_CHAN(4)
96 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
98 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
106 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
108 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
125 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+
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/linux/Documentation/sound/soc/
H A Ddai.rst12 AC97 is a five wire interface commonly found on many PC sound cards. It is
26 I2S is a common 4 wire DAI used in HiFi, STB and portable devices. The Tx and
35 I2S has several different operating modes:-
50 PCM is another 4 wire interface, very similar to I2S, which can support a more
58 Common PCM operating modes:-
/linux/Documentation/devicetree/bindings/iio/addac/
H A Dadi,ad74115.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Cosmin Tanislav <cosmin.tanislav@analog.com>
13 The AD74115H is a single-channel software configurable input/output
17 chip solution with an SPI interface. The device features a 16-bit ADC and a
18 14-bit DAC.
25 - adi,ad74115h
30 spi-max-frequency:
33 spi-cpol: true
[all …]
/linux/Documentation/devicetree/bindings/clock/
H A Dti,lmk04832.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Liam Beguin <liambeguin@gmail.com>
21 - ti,lmk04832
26 '#address-cells':
29 '#size-cells':
32 '#clock-cells':
35 spi-max-frequency:
40 - description: PLL2 reference clock.
[all …]
/linux/include/rdma/
H A Dsignature.h1 /* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) */
3 * Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved.
23 * enum ib_signature_type - Signature types
25 * @IB_SIG_TYPE_T10_DIF: Type T10-DIF
33 * enum ib_t10_dif_bg_type - Signature T10-DIF block-guard types
34 * @IB_T10DIF_CRC: Corresponds to T10-PI mandated CRC checksum rules.
43 * struct ib_t10_dif_domain - Parameters specific for T10-DIF
45 * @bg_type: T10-DIF block guard type (CRC|CSUM)
68 * struct ib_sig_domain - Parameters for signature domain
81 * struct ib_sig_attrs - Parameters for signature handover operation
[all …]
/linux/drivers/input/touchscreen/
H A Dwm9713.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec.
76 static int delay = 4;
81 * Set five_wire = 1 to use a 5 wire touchscreen.
83 * NOTE: Five wire mode does not allow for readback of pressure.
87 MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
122 84, /* 4 */
156 dig2 = WM97XX_DELAY(4) | WM97XX_SLT(5); in wm9713_phy_init()
163 dev_info(wm->dev, "setting pen detect pull-up to %d Ohms\n", in wm9713_phy_init()
167 /* Five wire panel? */ in wm9713_phy_init()
[all …]
H A Dwm9712.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9712.c -- Codec driver for Wolfson WM9712 AC97 Codecs.
81 * Set five_wire = 1 to use a 5 wire touchscreen.
83 * NOTE: Five wire mode does not allow for readback of pressure.
87 MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
122 84, /* 4 */
160 dev_dbg(wm->dev, "setting pen detect pull-up to %d Ohms\n", in wm9712_phy_init()
164 /* WM9712 five wire */ in wm9712_phy_init()
167 dev_dbg(wm->dev, "setting 5-wire touchscreen mode.\n"); in wm9712_phy_init()
170 dev_warn(wm->dev, "pressure measurement is not " in wm9712_phy_init()
[all …]
/linux/net/rxrpc/
H A Dprotocol.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
13 typedef __be32 rxrpc_seq_net_t; /* on-the-wire Rx message sequence number */
14 typedef __be32 rxrpc_serial_net_t; /* on-the-wire Rx message serial number */
18 * on-the-wire Rx packet header
19 * - all multibyte fields should be in network byte order
23 #define RXRPC_RANDOM_EPOCH 0x80000000 /* Random if set, date-based if not */
26 #define RXRPC_MAXCALLS 4 /* max active calls per conn */
27 #define RXRPC_CHANNELMASK (RXRPC_MAXCALLS-1) /* mask for channel ID */
32 __be32 callNumber; /* call ID (0 for connection-level packets) */
40 #define RXRPC_PACKET_TYPE_ABORT 4 /* call/connection abort */
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/linux/Documentation/devicetree/bindings/display/
H A Dmulti-inno,mi0283qt.txt1 Multi-Inno MI0283QT display panel
4 - compatible: "multi-inno,mi0283qt".
7 all mandatory properties described in ../spi/spi-bus.txt must be specified.
10 - dc-gpios: D/C pin. The presence/absence of this GPIO determines
12 - present: IM=x110 4-wire 8-bit data serial interface
13 - absent: IM=x101 3-wire 9-bit data serial interface
14 - reset-gpios: Reset pin
15 - power-supply: A regulator node for the supply voltage.
16 - backlight: phandle of the backlight device attached to the panel
17 - rotation: panel rotation in degrees counter clockwise (0,90,180,270)
[all …]
/linux/fs/smb/server/
H A Dunicode.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 * cifs_mapchar() - convert a host-endian char to proper char in codepage
19 * @from: host-endian source string
73 len = cp->uni2char(src_char, target, NLS_MAX_CHARSET_SIZE); in cifs_mapchar()
81 if (strcmp(cp->charset, "utf8")) in cifs_mapchar()
95 * smb_utf16_bytes() - compute converted string length
137 * smb_from_utf16() - convert utf16le string to local charset
145 * Convert a little-endian utf16le string (as sent by the server) to a string
153 * Note that some windows versions actually send multiword UTF-16 characters
154 * instead of straight UTF16-2. The linux nls routines however aren't able to
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/linux/drivers/infiniband/hw/mlx5/
H A Dwr.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
34 cur = wq->head - wq->tail; in mlx5r_wq_overflow()
35 if (likely(cur + nreq < wq->max_post)) in mlx5r_wq_overflow()
39 spin_lock(&cq->lock); in mlx5r_wq_overflow()
40 cur = wq->head - wq->tail; in mlx5r_wq_overflow()
41 spin_unlock(&cq->lock); in mlx5r_wq_overflow()
43 return cur + nreq >= wq->max_post; in mlx5r_wq_overflow()
49 rseg->raddr = cpu_to_be64(remote_addr); in set_raddr_seg()
50 rseg->rkey = cpu_to_be32(rkey); in set_raddr_seg()
51 rseg->reserved = 0; in set_raddr_seg()
[all …]
/linux/Documentation/devicetree/bindings/sound/
H A Dmt6359.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Eason Yen <eason.yen@mediatek.com>
11 - Jiaxin Yu <jiaxin.yu@mediatek.com>
12 - Shane Chien <shane.chien@mediatek.com>
20 mediatek,dmic-mode:
24 signal. 0 means two wires, 1 means one wire. Default value is 0.
26 - 0 # one wire
27 - 1 # two wires
[all …]
/linux/Documentation/hwmon/
H A Dlm85.rst79 - Philip Pokorny <ppokorny@penguincomputing.com>,
80 - Frodo Looijaard <frodol@dds.nl>,
81 - Richard Barrington <rich_b_nz@clear.net.nz>,
82 - Margit Schubert-While <margitsw@t-online.de>,
83 - Justin Thiessen <jthiessen@penguincomputing.com>
86 -----------
92 The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
94 temperatures and five (5) voltages. It has four (4) 16-bit counters for
106 measure a thermal diode like the one in a Pentium 4 processor in a socket
127 ----------------
[all …]
/linux/drivers/iio/temperature/
H A Dmax31865.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * max31865.c - Maxim MAX31865 RTD-to-Digital Converter sensor driver
32 #define MAX31865_3WIRE_RTD BIT(4)
64 return spi_write_then_read(data->spi, &reg, 1, data->buf, read_size); in max31865_read()
69 return spi_write(data->spi, data->buf, len); in max31865_write()
81 cfg = data->buf[0]; in enable_bias()
83 data->buf[0] = MAX31865_CFG_REG | MAX31865_RD_WR_BIT; in enable_bias()
84 data->buf[1] = cfg | MAX31865_CFG_VBIAS; in enable_bias()
98 cfg = data->buf[0]; in disable_bias()
101 data->buf[0] = MAX31865_CFG_REG | MAX31865_RD_WR_BIT; in disable_bias()
[all …]
/linux/Documentation/filesystems/nfs/
H A Dlocalio.rst26 But unlike the LOCALIO protocol, the sockaddr-based matching didn't
42 - With LOCALIO:
43 4K read: IOPS=979k, BW=3825MiB/s (4011MB/s)(74.7GiB/20002msec)
44 4K write: IOPS=165k, BW=646MiB/s (678MB/s)(12.6GiB/20002msec)
48 - Without LOCALIO:
49 4K read: IOPS=79.2k, BW=309MiB/s (324MB/s)(6188MiB/20003msec)
50 4K write: IOPS=59.8k, BW=234MiB/s (245MB/s)(4671MiB/20002msec)
55 - With LOCALIO:
56 4K read: IOPS=230k, BW=898MiB/s (941MB/s)(17.5GiB/20001msec)
57 4K write: IOPS=22.6k, BW=88.3MiB/s (92.6MB/s)(1766MiB/20001msec)
[all …]

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