| /Linux-v5.15/drivers/w1/slaves/ |
| D | Kconfig | 1 # 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 …]
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| /Linux-v5.15/drivers/w1/masters/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 3 # 1-wire bus master configuration 6 menu "1-wire Bus Masters" 9 tristate "Matrox G400 transport layer for 1-wire" 12 Say Y here if you want to communicate with your 1-wire devices 19 tristate "DS2490 USB <-> W1 transport layer for 1-wire" 22 Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges, 29 tristate "Maxim DS2482 I2C to 1-Wire bridge" 33 I2C to 1-Wire bridge. 39 tristate "Freescale MXC 1-wire busmaster" [all …]
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| D | ds2482.c | 1 // 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 26 * The APU bit controls whether an active pullup (controlled slew-rate 27 * transistor) or a passive pullup (Rwpu resistor) will be used to drive 28 * a 1-Wire line from low to high. When APU = 0, active pullup is disabled 30 * only a single slave on the 1-Wire line. 35 "0-disable, 1-enable (default)"); [all …]
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| D | mxc_w1.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 3 * Copyright 2005-2008 Freescale Semiconductor, Inc. All Rights Reserved. 22 # define MXC_W1_CONTROL_WR(x) BIT(5 - (x)) 37 * reset the device on the One Wire interface 45 writeb(MXC_W1_CONTROL_RPP, dev->regs + MXC_W1_CONTROL); in mxc_w1_ds2_reset_bus() 53 u8 ctrl = readb(dev->regs + MXC_W1_CONTROL); in mxc_w1_ds2_reset_bus() 55 /* PST bit is valid after the RPP bit is self-cleared */ in mxc_w1_ds2_reset_bus() 64 * this is the low level routine to read/write a bit on the One Wire 73 writeb(MXC_W1_CONTROL_WR(bit), dev->regs + MXC_W1_CONTROL); in mxc_w1_ds2_touch_bit() 81 u8 ctrl = readb(dev->regs + MXC_W1_CONTROL); in mxc_w1_ds2_touch_bit() [all …]
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| /Linux-v5.15/drivers/w1/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only 3 tristate "Dallas's 1-wire support" 6 Dallas' 1-wire bus is useful to connect slow 1-pin devices 12 will be called wire. 22 information see <file:Documentation/driver-api/connector.rst>. 24 1. Events. They are generated each time new master or slave device found 25 either due to automatic or requested search.
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| /Linux-v5.15/arch/sh/mm/ |
| D | tlb-urb.c | 2 * arch/sh/mm/tlb-urb.c 4 * TLB entry wiring helpers for URB-equipped parts. 18 * Load the entry for 'addr' into the TLB and wire the entry. 32 * Make sure we're not trying to wire the last TLB entry slot. in tlb_wire_entry() 34 BUG_ON(!--urb); in tlb_wire_entry() 39 * Insert this entry into the highest non-wired TLB slot (via in tlb_wire_entry() 49 /* ... and wire it up. */ in tlb_wire_entry() 64 * It should also be noted that it is not possible to wire and unwire 65 * TLB entries in an arbitrary order. If you wire TLB entry N, followed 67 * respect, it works like a stack or LIFO queue.
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| /Linux-v5.15/Documentation/devicetree/bindings/display/panel/ |
| D | tpo,tpg110.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Linus Walleij <linus.walleij@linaro.org> 11 - Thierry Reding <thierry.reding@gmail.com> 17 and other properties, and has a control interface over 3WIRE 20 self-describing. 22 +--------+ 23 SPI -> | TPO | -> physical display 24 RGB -> | TPG110 | [all …]
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| D | ilitek,ili9341.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Ilitek-9341 Display Panel 10 - Dillon Min <dillon.minfei@gmail.com> 15 streams with 16 bits or 18 bits. 18 - $ref: panel-common.yaml# 23 - enum: 24 # ili9341 240*320 Color on stm32f429-disco board 25 - st,sf-tc240t-9370-t [all …]
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| /Linux-v5.15/include/linux/platform_data/ |
| D | usb-omap1.h | 15 * - "A" connector (rectagular) 17 * - "B" connector (squarish) or "Mini-B" 19 * - "Mini-AB" connector (very similar to Mini-B) 20 * ... for OTG use as device OR host, initialize "otg" 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)
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| /Linux-v5.15/Documentation/driver-api/gpio/ |
| D | intro.rst | 16 - The descriptor-based interface is the preferred way to manipulate GPIOs, 17 and is described by all the files in this directory excepted gpio-legacy.txt. 18 - The legacy integer-based interface which is considered deprecated (but still 19 usable for compatibility reasons) is documented in gpio-legacy.txt. 21 The remainder of this document applies to the new descriptor-based interface. 22 gpio-legacy.txt contains the same information applied to the legacy 23 integer-based interface. 29 A "General Purpose Input/Output" (GPIO) is a flexible software-controlled 32 represents a bit connected to a particular pin, or "ball" on Ball Grid Array 37 System-on-Chip (SOC) processors heavily rely on GPIOs. In some cases, every [all …]
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| /Linux-v5.15/include/linux/ |
| D | w1.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 12 * struct w1_reg_num - broken out slave device id 49 * struct w1_slave - holds a single slave device on the bus 51 * @owner: Points to the one wire "wire" kernel module. 84 * struct w1_bus_master - operations available on a bus master 88 * @read_bit: Sample the line level @return the level read (0 or 1) 92 * @touch_bit: the lowest-level function for devices that really support the 93 * 1-wire protocol. 94 * touch_bit(0) = write-0 cycle 95 * touch_bit(1) = write-1 / read cycle [all …]
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| /Linux-v5.15/Documentation/w1/ |
| D | w1-generic.rst | 2 Introduction to the 1-wire (w1) subsystem 5 The 1-wire bus is a simple master-slave bus that communicates via a single 6 signal wire (plus ground, so two wires). 18 - DS9490 usb device 19 - W1-over-GPIO 20 - DS2482 (i2c to w1 bridge) 21 - Emulated devices, such as a RS232 converter, parallel port adapter, etc 25 ------------------------------ 29 - sysfs entries for that w1 master are created 30 - the w1 bus is periodically searched for new slave devices [all …]
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| /Linux-v5.15/sound/ppc/ |
| D | snd_ps3_reg.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */ 39 * three wire serial 73 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ 75 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ 92 corresponding bit in PS3_AUDIO_INTR_0. The resulting bits are OR'd together 96 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ 98 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ 106 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ 108 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ 125 +-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-|-+-+-+-+-+-+-+-+ [all …]
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| /Linux-v5.15/drivers/bluetooth/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0 32 kernel or say M to compile it as module (btusb). 86 kernel or say M to compile it as module (btsdio). 101 kernel or say M to compile it as module (hci_uart). 171 bool "Three-wire UART (H5) protocol support" 175 The HCI Three-wire UART Transport Layer makes it possible to 177 Three-wire UART Transport Layer assumes that the UART 178 communication may have bit errors, overrun errors or burst 181 Say Y here to compile support for Three-wire UART protocol. 218 The Realtek protocol support enables Bluetooth HCI over 3-Wire [all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/w1/ |
| D | omap-hdq.txt | 1 * OMAP HDQ One wire bus master controller 4 - compatible : should be "ti,omap3-1w" or "ti,am4372-hdq" 5 - reg : Address and length of the register set for the device 6 - interrupts : interrupt line. 7 - ti,hwmods : "hdq1w" 10 - ti,mode: should be "hdq": HDQ mode "1w": one-wire mode. 15 - From omap3.dtsi 17 compatible = "ti,omap3-1w";
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| /Linux-v5.15/Documentation/sound/soc/ |
| D | dai.rst | 12 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 29 controller or CODEC can drive (master) the BCLK and LRC clock lines. Bit clock 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:-
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| /Linux-v5.15/include/linux/mfd/ |
| D | mxs-lradc.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 3 * Freescale MXS Low Resolution Analog-to-Digital Converter driver 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 124 * CH3 -- Touch screen YPLL 125 * CH4 -- Touch screen XNUL 126 * CH5 -- Touch screen YNLR [all …]
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| /Linux-v5.15/include/rdma/ |
| D | signature.h | 1 /* 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 …]
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| /Linux-v5.15/Documentation/hwmon/ |
| D | lm85.rst | 8 Prefix: 'lm85b' or 'lm85c' 79 - 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 107 423 or socket 478 package. They can also measure temperature using a [all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/leds/backlight/ |
| D | kinetic,ktd253.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 3 --- 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Kinetic Technologies KTD253 and KTD259 one-wire backlight 10 - Linus Walleij <linus.walleij@linaro.org> 16 using pulses on the enable wire. This is sometimes referred to as 20 - $ref: common.yaml# 25 - enum: 26 - kinetic,ktd253 27 - kinetic,ktd259 [all …]
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| /Linux-v5.15/drivers/irqchip/ |
| D | irq-al-fic.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. 50 u32 control = readl_relaxed(fic->base + AL_FIC_CONTROL); in al_fic_set_trigger() 59 gc->chip_types->handler = handler; in al_fic_set_trigger() 60 fic->state = new_state; in al_fic_set_trigger() 61 writel_relaxed(control, fic->base + AL_FIC_CONTROL); in al_fic_set_trigger() 67 struct al_fic *fic = gc->private; in al_fic_irq_set_type() 76 ret = -EINVAL; in al_fic_irq_set_type() 84 * A given FIC instance can be either all level or all edge triggered. in al_fic_irq_set_type() 92 if (fic->state == AL_FIC_UNCONFIGURED) { in al_fic_irq_set_type() [all …]
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| /Linux-v5.15/drivers/infiniband/ulp/iser/ |
| D | iser_memory.c | 3 * Copyright (c) 2013-2014 Mellanox Technologies. All rights reserved. 8 * COPYING in the main directory of this source tree, or the 11 * Redistribution and use in source and binary forms, with or 15 * - Redistributions of source code must retain the above 19 * - Redistributions in binary form must reproduce the above 21 * disclaimer in the documentation and/or other materials 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN [all …]
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| /Linux-v5.15/Documentation/i2c/ |
| D | summary.rst | 6 a protocol developed by Philips. It is a slow two-wire protocol (variable 8 an inexpensive bus for connecting many types of devices with infrequent or 12 e.g. TWI (Two Wire Interface), IIC. 14 The official I2C specification is the `"I2C-bus specification and user 15 manual" (UM10204) <https://www.nxp.com/docs/en/user-guide/UM10204.pdf>`_ 28 implement all the common SMBus protocol semantics or messages. 35 one or more *master* chips and one or more *slave* chips. 37 .. kernel-figure:: i2c_bus.svg 43 Linux kernel implementation it is called an **adapter** or bus. Adapter 48 an algorithm driver in the ``drivers/i2c/algos/`` subdirectory, or includes [all …]
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| /Linux-v5.15/fs/xfs/ |
| D | xfs_export.h | 1 // SPDX-License-Identifier: GPL-2.0 12 * The NFS fileid goes out on the wire as an array of 20 * inode-num 24 * inode-num 26 * parent-inode-num 27 * parent-generation 30 * inode-num-lo32 31 * inode-num-hi32 35 * inode-num-lo32 36 * inode-num-hi32 [all …]
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| /Linux-v5.15/drivers/input/touchscreen/ |
| D | wm9713.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later 3 * wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec. 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."); 94 * order to minimise this, a signal may be applied to the MASK pin to delay or 97 * 0 = No delay or sync 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() 170 dev_info(wm->dev, "setting 5-wire touchscreen mode."); in wm9713_phy_init() [all …]
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