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/linux/Documentation/devicetree/bindings/w1/
H A Damd,axi-1wire-host.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/w1/amd,axi-1wire-host.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AMD AXI 1-wire bus host for programmable logic
10 - Kris Chaplin <kris.chaplin@amd.com>
14 const: amd,axi-1wire-host
17 maxItems: 1
20 maxItems: 1
23 maxItems: 1
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/linux/drivers/w1/masters/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire bus master configuration
6 menu "1-wire Bus Masters"
9 tristate "AMD AXI 1-wire bus host"
11 Say Y here is you want to support the AMD AXI 1-wire IP core.
13 correctly timed 1 wire transactions without relying on GPIO timing
20 tristate "Matrox G400 transport layer for 1-wire"
23 Say Y here if you want to communicate with your 1-wire devices
30 tristate "DS2490 USB <-> W1 transport layer for 1-wire"
33 Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
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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 */
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()
83 atomic_read(&amd_axi_w1_local->flag) != 0, in amd_axi_w1_wait_irq_interruptible_timeout()
86 dev_err(amd_axi_w1_local->dev, "Wait IRQ Interrupted\n"); in amd_axi_w1_wait_irq_interruptible_timeout()
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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 ------------------
47 Devices of the AD4000 series can be connected to the SPI host controller in a
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.
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/linux/arch/arc/plat-hsdk/
H A Dplatform.c1 // SPDX-License-Identifier: GPL-2.0-only
36 * --------------------- in hsdk_enable_gpio_intc_wire()
37 * | snps,archs-intc | in hsdk_enable_gpio_intc_wire()
38 * --------------------- in hsdk_enable_gpio_intc_wire()
40 * ---------------------- in hsdk_enable_gpio_intc_wire()
41 * | snps,archs-idu-intc | in hsdk_enable_gpio_intc_wire()
42 * ---------------------- in hsdk_enable_gpio_intc_wire()
46 * ------------------- in hsdk_enable_gpio_intc_wire()
47 * | snps,dw-apb-intc | in hsdk_enable_gpio_intc_wire()
48 * ------------------- in hsdk_enable_gpio_intc_wire()
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/linux/drivers/spi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
13 dynamic device discovery; some are even write-only or read-only.
17 chips, analog to digital (and d-to-a) converters, and more.
21 SPI is one of a family of similar protocols using a four wire
44 If your system has an master-capable SPI controller (which
56 by providing a high-level interface to send memory-like commands.
69 This enables support for SPI-NAND mode on the Airoha NAND
71 is implemented as a SPI-MEM controller.
107 This enables master mode support for the SPISG (SPI scatter-gather
119 to a single device like spi-nor (nvram), input device controller
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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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