| /openbmc/linux/Documentation/devicetree/bindings/pinctrl/ |
| H A D | renesas,rza1-ports.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/renesas,rza1-ports.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacopo Mondi <jacopo+renesas@jmondi.org>
11 - Geert Uytterhoeven <geert+renesas@glider.be>
16 Pin multiplexing and GPIO configuration is performed on a per-pin basis
17 writing configuration values to per-port register sets.
25 - const: renesas,r7s72100-ports # RZ/A1H
26 - items:
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| /openbmc/linux/drivers/thunderbolt/ |
| H A D | tmu.c | 1 // SPDX-License-Identifier: GPL-2.0
46 return "uni-directional, LowRes"; in tmu_mode_name()
48 return "uni-directional, HiFi"; in tmu_mode_name()
50 return "bi-directional, HiFi"; in tmu_mode_name()
52 return "enhanced uni-directional, MedRes"; in tmu_mode_name()
73 sw->tmu.cap + TMU_RTR_CS_0, 1); in tb_switch_set_tmu_mode_params()
81 sw->tmu.cap + TMU_RTR_CS_0, 1); in tb_switch_set_tmu_mode_params()
86 sw->tmu.cap + TMU_RTR_CS_15, 1); in tb_switch_set_tmu_mode_params()
100 sw->tmu.cap + TMU_RTR_CS_15, 1); in tb_switch_set_tmu_mode_params()
108 sw->tmu.cap + TMU_RTR_CS_18, 1); in tb_switch_set_tmu_mode_params()
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| /openbmc/linux/drivers/block/mtip32xx/ |
| H A D | mtip32xx.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * mtip32xx.h - Header file for the P320 SSD Block Driver
67 * NOTE: This is the driver maximum; check dd->slot_groups for actual value.
95 * Per-tag bitfield size in longs.
104 (U32_PER_LONG-1))/U32_PER_LONG)
181 mtip_workq_sdbfx(w->port, group, w->completed); \
188 * - 27h Register FIS, host to device.
189 * - 34h Register FIS, device to host.
190 * - 39h DMA Activate FIS, device to host.
191 * - 41h DMA Setup FIS, bi-directional.
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| /openbmc/linux/Documentation/devicetree/bindings/iio/adc/ |
| H A D | richtek,rtq6056.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RTQ6056 Bi-Directional Current and Power Monitor with 16-bit ADC
10 - ChiYuan Huang <cy_huang@richtek.com>
13 The RTQ6056 is a high accuracy current-sense monitor with I2C and SMBus
19 internal analog-to-digital converter ADC. The programmable calibration,
24 https://www.richtek.com/assets/product_file/RTQ6056/DSQ6056-00.pdf
33 "#io-channel-cells":
36 shunt-resistor-micro-ohms:
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| /openbmc/linux/drivers/hwmon/ |
| H A D | ina2xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * Zero Drift Bi-Directional Current/Power Monitor with I2C Interface
10 * Bi-Directional Current/Power Monitor with I2C Interface
14 * Bi-Directional Current/Power Monitor with I2C Interface
18 * Bi-directional Current/Power Monitor with I2C Interface
32 #include <linux/hwmon-sysfs.h>
60 /* settings - depend on use case */
189 return regmap_write(data->regmap, INA2XX_CALIBRATION, in ina2xx_calibrate()
190 data->config->calibration_value); in ina2xx_calibrate()
198 int ret = regmap_write(data->regmap, INA2XX_CONFIG, in ina2xx_init()
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| /openbmc/linux/Documentation/hid/ |
| H A D | hid-transport.rst | 8 Bluetooth, I2C and user-space I/O drivers.
17 report-parsing, report interpretation and the user-space API. Device specifics
22 +-----------+ +-----------+ +-----------+ +-----------+
24 +-----------+ +-----------+ +-----------+ +-----------+
26 +------------+ +------------+
28 +------------+ +------------+
30 +------------------+ +------------------+
32 +------------------+ +------------------+
35 +----------------+
37 +----------------+
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| /openbmc/linux/drivers/gpu/drm/vmwgfx/ |
| H A D | vmwgfx_msg_x86.h | 1 /* SPDX-License-Identifier: GPL-2.0+ OR MIT */
4 * Copyright 2016-2021 VMware, Inc., Palo Alto, CA., USA
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
41 * Hypervisor-specific bi-directional communication channel. Should never
55 * @ecx: [OUT] e.g. status from a non-HB message status command
82 * Hypervisor-specific bi-directional communication channel. Should never
97 * @ecx: [OUT] e.g. status from a non-HB message status command
164 * In the 32-bit version of this macro, we store bp in a memory location
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| /openbmc/linux/Documentation/mhi/ |
| H A D | topology.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 --------------
30 ----------
33 for bi-directional communication. Once MHI is in powered on state, the MHI
43 ----------
46 driver sends and receives the upper-layer protocol packets like IP packets,
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| /openbmc/linux/include/rdma/ |
| H A D | ib.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
33 return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0); in ib_addr_any()
38 return ((a->sib_addr32[0] | a->sib_addr32[1] | in ib_addr_loopback()
39 a->sib_addr32[2] | (a->sib_addr32[3] ^ htonl(1))) == 0); in ib_addr_loopback()
45 addr->sib_addr32[0] = w1; in ib_addr_set()
46 addr->sib_addr32[1] = w2; in ib_addr_set()
47 addr->sib_addr32[2] = w3; in ib_addr_set()
48 addr->sib_addr32[3] = w4; in ib_addr_set()
67 * The IB interfaces that use write() as bi-directional ioctl() are
78 return filp->f_cred == current_cred(); in ib_safe_file_access()
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| /openbmc/linux/Documentation/devicetree/bindings/sound/ |
| H A D | nvidia,tegra210-i2s.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-i2s.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 The Inter-IC Sound (I2S) controller implements full-duplex,
11 bi-directional and single direction point-to-point serial
16 - Jon Hunter <jonathanh@nvidia.com>
17 - Sameer Pujar <spujar@nvidia.com>
20 - $ref: dai-common.yaml#
24 pattern: "^i2s@[0-9a-f]*$"
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| /openbmc/linux/Documentation/networking/ |
| H A D | plip.rst | 1 .. SPDX-License-Identifier: GPL-2.0
14 -----------------
17 This device interface allows a point-to-point connection between two
25 printer port. PLIP is a non-standard, but [can use] uses the standard
26 LapLink null-printer cable [can also work in turbo mode, with a PLIP
62 -------------------
77 On these machines, the PLIP driver can be used in IRQ-less mode, where
82 indicate that there isn't a noticeable performance drop when using IRQ-less
92 When in IRQ-less mode, the PLIP driver polls the parallel port HZ times
99 10^6/HZ usecs. If both sides of a PLIP connection are used in IRQ-less mode,
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| /openbmc/linux/drivers/gpu/drm/i915/gt/uc/ |
| H A D | intel_guc_ct.h | 1 /* SPDX-License-Identifier: MIT */
3 * Copyright © 2016-2019 Intel Corporation
26 * It can be used to perform both host-2-guc and guc-to-host communication.
57 /** Top-level structure for Command Transport related data
59 * Includes a pair of CT buffers for bi-directional communication and tracking
115 ct->enabled = false; in intel_guc_ct_sanitize()
120 return ct->enabled; in intel_guc_ct_enabled()
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| /openbmc/linux/include/uapi/linux/ |
| H A D | kfd_sysfs.h | 1 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
113 * bi-directional flag, which is not offially part of the CRAT spec, and
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| /openbmc/linux/Documentation/driver-api/usb/ |
| H A D | bulk-streams.rst | 17 Device-side implications
21 an out-of-band mechanism on another endpoint) that data is ready for that stream
41 ID for the bulk IN and OUT endpoints used in a Bi-directional command sequence.
65 To queue an URB for a specific stream, set the urb->stream_id value. If the
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| /openbmc/linux/include/linux/usb/ |
| H A D | typec.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 /* USB Type-C Specification releases */
90 * struct enter_usb_data - Enter_USB Message details
94 * @active_link_training is a flag that should be set with uni-directional SBRX
95 * communication, and left 0 with passive cables and with bi-directional SBRX
104 * struct usb_pd_identity - USB Power Delivery identity data
126 * struct typec_altmode_desc - USB Type-C Alternate Mode Descriptor
172 * struct typec_plug_desc - USB Type-C Cable Plug Descriptor
176 * Represents USB Type-C Cable Plug.
183 * struct typec_cable_desc - USB Type-C Cable Descriptor
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| /openbmc/u-boot/doc/ |
| H A D | README.android-fastboot-protocol | 2 ----------------------
11 ------------------
14 * Max packet size must be 64 bytes for full-speed and 512 bytes for
15 high-speed USB
16 * The protocol is entirely host-driven and synchronous (unlike the
17 multi-channel, bi-directional, asynchronous ADB protocol)
21 ---------------------
31 a. INFO -> the remaining 60 bytes are an informative message
35 b. FAIL -> the requested command failed. The remaining 60 bytes
39 c. OKAY -> the requested command completed successfully. Go to #5
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| /openbmc/linux/drivers/pinctrl/uniphier/ |
| H A D | pinctrl-uniphier.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2015-2017 Socionext Inc.
21 - 1)
28 - 1)
35 - 1)
37 /* pull-up / pull-down register number */
42 - 1)
49 - 1)
69 /* direction of pull register (no pin supports bi-directional pull biasing) */
71 UNIPHIER_PIN_PULL_UP, /* pull-up or disabled */
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| /openbmc/linux/Documentation/devicetree/bindings/remoteproc/ |
| H A D | st,stm32-rproc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/st,stm32-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
14 - Fabien Dessenne <fabien.dessenne@foss.st.com>
15 - Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
19 const: st,stm32mp1-m4
31 reset-names:
33 - const: mcu_rst
34 - const: hold_boot
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| /openbmc/u-boot/include/ |
| H A D | mailbox.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
10 * A mailbox is a hardware mechanism for transferring small fixed-size messages
11 * and/or notifications between the CPU on which U-Boot runs and some other
16 * FIFOs, rather than via RAM-based buffers. The mailbox API generally
18 * leaves any higher-level protocols to other layers.
20 * A mailbox channel is a bi-directional mechanism that can send a message or
28 * it manages often has this capability. mailbox-uclass.h describes the
38 * struct mbox_chan - A handle to a single mailbox channel.
66 * mbox_get_by_index - Get/request a mailbox by integer index
72 * device-tree properties, board-provided mapping tables, or some other
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| /openbmc/linux/include/net/ |
| H A D | bond_alb.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
14 #define BOND_ALB_INFO(bond) ((bond)->alb_info)
15 #define SLAVE_TLB_INFO(slave) ((slave)->tlb_info)
18 #define BOND_TLB_REBALANCE_INTERVAL 10 /* In seconds, periodic re-balancing.
19 * Used for division - never set
23 #define BOND_ALB_LP_INTERVAL(bond) (bond->params.lp_interval) /* In seconds, periodic send of
46 #define RLB_UPDATE_RETRY 3 /* 3-ticks - must be smaller than the rlb
78 /* -------------------------------------------------------------------------
89 * allow cleaning up the table from ip_src<->mac_src associations that have
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| /openbmc/linux/include/linux/amba/ |
| H A D | pl022.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Copyright (C) 2008-2009 ST-Ericsson AB
11 * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c
30 * enum ssp_interface - interfaces allowed for this SSP Controller
47 * enum ssp_hierarchy - whether SSP is configured as Master or Slave
55 * enum ssp_clock_params - clock parameters, to set SSP clock at a
64 * enum ssp_rx_endian - endianess of Rx FIFO Data
73 * enum ssp_tx_endian - endianess of Tx FIFO Data
81 * enum ssp_data_size - number of bits in one data element
97 * enum ssp_mode - SSP mode of operation (Communication modes)
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| /openbmc/linux/Documentation/userspace-api/media/rc/ |
| H A D | lirc-dev-intro.rst | 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
10 a bi-directional interface for transporting raw IR and decoded scancodes
21 .. code-block:: none
28 .. code-block:: none
30 $ ls -l /dev/lirc*
31 crw-rw---- 1 root root 248, 0 Jul 2 22:20 /dev/lirc0
33 Note that the package `v4l-utils <https://git.linuxtv.org/v4l-utils.git/>`_
36 - ir-ctl: can receive raw IR and transmit IR, as well as query LIRC
39 - ir-keytable: can load keymaps; allows you to set IR kernel protocols; load
52 .. _lirc-mode-scancode:
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| /openbmc/linux/drivers/nvme/host/ |
| H A D | fabrics.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (c) 2015-2016 HGST, a Western Digital Company.
18 /* default is -1: the fail fast mechanism is disabled */
19 #define NVMF_DEF_FAIL_FAST_TMO -1
37 * enum nvmf_parsing_opts - used to define the sysfs parsing options used.
69 * struct nvmf_ctrl_options - Used to hold the options specified
74 * the controller, (-1) means reconnect forever, zero means remove
81 * @traddr: The transport-specific TRADDR field for a port on the
83 * @trsvcid: The transport-specific TRSVCID field for a port on the
85 * @host_traddr: A transport-specific field identifying the NVME host port
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| /openbmc/linux/drivers/net/wireless/intel/iwlwifi/pcie/ |
| H A D | tx-gen2.c | 1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
4 * Copyright (C) 2018-2020 Intel Corporation
9 #include "iwl-debug.h"
10 #include "iwl-csr.h"
11 #include "iwl-io.h"
19 * iwl_pcie_gen2_enqueue_hcmd - enqueue a uCode command
31 struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id]; in iwl_pcie_gen2_enqueue_hcmd()
39 u8 group_id = iwl_cmd_groupid(cmd->id); in iwl_pcie_gen2_enqueue_hcmd()
49 cmddata[i] = cmd->data[i]; in iwl_pcie_gen2_enqueue_hcmd()
50 cmdlen[i] = cmd->len[i]; in iwl_pcie_gen2_enqueue_hcmd()
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| /openbmc/linux/drivers/firmware/arm_scmi/ |
| H A D | mailbox.c | 1 // SPDX-License-Identifier: GPL-2.0
19 * struct scmi_mailbox - Structure representing a SCMI mailbox transport
22 * @chan: Transmit/Receive mailbox uni/bi-directional channel
43 shmem_tx_prepare(smbox->shmem, m, smbox->cinfo); in tx_prepare()
56 * a previous timed-out reply which arrived late could be wrongly in rx_callback()
59 if (cl->knows_txdone && !shmem_channel_free(smbox->shmem)) { in rx_callback()
60 dev_warn(smbox->cinfo->dev, "Ignoring spurious A2P IRQ !\n"); in rx_callback()
64 scmi_rx_callback(smbox->cinfo, shmem_read_header(smbox->shmem), NULL); in rx_callback()
76 num_mb = of_count_phandle_with_args(of_node, "mboxes", "#mbox-cells"); in mailbox_chan_available()
81 "#mbox-cells", idx, NULL); in mailbox_chan_available()
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