| /linux/drivers/media/pci/cx23885/ |
| H A D | altera-ci.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * altera-ci.c
5 * CI driver in conjunction with NetUp Dual DVB-T/C RF CI card
13 * GPIO-0 ~INT in
14 * GPIO-1 TMS out
15 * GPIO-2 ~reset chips out
16 * GPIO-3 to GPIO-10 data/addr for CA in/out
17 * GPIO-11 ~CS out
18 * GPIO-12 AD_RG out
19 * GPIO-13 ~WR out
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| /linux/Documentation/devicetree/bindings/powerpc/nintendo/ |
| H A D | wii.txt | 11 - model : Should be "nintendo,wii"
12 - compatible : Should be "nintendo,wii"
16 This node represents the multi-function "Hollywood" chip, which packages
21 - compatible : Should be "nintendo,hollywood"
30 - compatible : should be "nintendo,hollywood-vi","nintendo,flipper-vi"
31 - reg : should contain the VI registers location and length
32 - interrupts : should contain the VI interrupt
41 - compatible : should be "nintendo,hollywood-pi","nintendo,flipper-pi"
42 - reg : should contain the PI registers location and length
46 Represents the "Flipper" interrupt controller within the "Hollywood" chip.
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| /linux/Documentation/devicetree/bindings/timer/ |
| H A D | sifive,clint.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Palmer Dabbelt <palmer@dabbelt.com>
11 - Anup Patel <anup.patel@wdc.com>
14 SiFive (and other RISC-V) SOCs include an implementation of the SiFive
15 Core Local Interruptor (CLINT) for M-mode timer and M-mode inter-processor
16 interrupts. It directly connects to the timer and inter-processor interrupt
17 lines of various HARTs (or CPUs) so RISC-V per-HART (or per-CPU) local
19 The clock frequency of CLINT is specified via "timebase-frequency" DT
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| /linux/include/linux/usb/ |
| H A D | isp1362.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * board initialization code should put one of these into dev->platform_data
15 /* On-chip overcurrent protection */
25 /* chip can be resumed via H_WAKEUP pin */
37 /* Inter-io delay (ns). The chip is picky about access timings; it
|
| H A D | isp116x.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Board initialization code should put one of these into dev->platform_data
13 /* On-chip overcurrent detection */
25 /* Inter-io delay (ns). The chip is picky about access timings; it
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| /linux/drivers/mailbox/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
6 on-chip processors through queued messages and interrupt driven
37 will be discovered and possibly managed at probe-time.
71 running on the Cortex-M3 rWTM secure processor of the Armada 37xx
88 This driver provides support for inter-processor communication
177 module will be called mailbox-mpfs.
186 providing an interface for invoking the inter-process communication
199 tristate "APM SoC X-Gene SLIMpro Mailbox Controller"
202 An implementation of the APM X-Gene Interprocessor Communication
203 Mailbox (IPCM) between the ARM 64-bit cores and SLIMpro controller.
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| /linux/Documentation/devicetree/bindings/spi/ |
| H A D | spi-peripheral-props.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/spi/spi-peripheral-props.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Peripheral-specific properties for a SPI bus.
11 be common properties like spi-max-frequency, spi-cpha, etc. or they could be
13 need to be defined in the peripheral node because they are per-peripheral and
19 - Mark Brown <broonie@kernel.org>
27 - minimum: 0
30 Chip select used by the device.
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| /linux/Documentation/translations/zh_TW/arch/loongarch/ |
| H A D | irq-chip-model.rst | 1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../../disclaimer-zh_TW.rst
5 :Original: Documentation/arch/loongarch/irq-chip-model.rst
15 HTVECINTC（Hyper-Transport Vector Interrupt Controller）、PCH-PIC（LS7A芯片組的主中
16 斷控制器）、PCH-LPC（LS7A芯片組的LPC中斷控制器）和PCH-MSI（MSI中斷控制器）。
19 全局中斷控制器（每個芯片一個，所有核共享），而PCH-PIC/PCH-LPC/PCH-MSI是CPU外部的中
26 在這種模型裏面，IPI（Inter-Processor Interrupt）和CPU本地時鐘中斷直接發送到CPUINTC，
27 CPU串口（UARTs）中斷髮送到LIOINTC，而其他所有設備的中斷則分別發送到所連接的PCH-PIC/
28 PCH-LPC/PCH-MSI，然後被HTVECINTC統一收集，再發送到LIOINTC，最後到達CPUINTC::
30 +-----+ +---------+ +-------+
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| /linux/Documentation/devicetree/bindings/usb/ |
| H A D | usb.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Greg Kroah-Hartman <gregkh@linuxfoundation.org>
22 phy-names:
26 usb-phy:
27 $ref: /schemas/types.yaml#/definitions/phandle-array
38 UTMI+ PHY with an 8- or 16-bit interface if UTMI+ is selected, UTMI+ low
40 serial is specified and High-Speed Inter-Chip feature if HSIC is
46 maximum-speed:
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| /linux/Documentation/devicetree/bindings/media/ |
| H A D | mediatek,mdp3-rdma.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/mediatek,mdp3-rdma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matthias Brugger <matthias.bgg@gmail.com>
11 - Moudy Ho <moudy.ho@mediatek.com>
24 - enum:
25 - mediatek,mt8183-mdp3-rdma
26 - mediatek,mt8188-mdp3-rdma
27 - mediatek,mt8195-mdp3-rdma
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| /linux/drivers/net/ethernet/apple/ |
| H A D | bmac.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * mace.h - definitions for the registers in the "Big Mac"
17 #define XIFC 0x000 /* low-level interface control */
19 # define XIFLoopback 0x0002 /* Loopback-mode XIF enable */
20 # define MIILoopback 0x0004 /* Loopback-mode MII enable */
41 #define CHIPID 0x170 /* chip ID */
48 #define STATUS 0x200 /* status--reading this clears it */
53 # define RxAlignCntExp 0x00000004 /* Align-error counter expired */
54 # define RxCRCCntExp 0x00000008 /* CRC-error counter expired */
55 # define RxLenCntExp 0x00000010 /* Length-error counter expired */
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| /linux/Documentation/userspace-api/media/ |
| H A D | glossary.rst | 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
58 **Field-programmable Gate Array**
63 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
72 together make a larger user-facing functional peripheral. For
80 **Inter-Integrated Circuit**
82 A multi-master, multi-slave, packet switched, single-ended,
84 like sub-device hardware components.
86 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
94 Also known as chip.
120 - :term:`CEC API`;
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| /linux/arch/arm/mach-shmobile/ |
| H A D | pm-rcar-gen2.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * R-Car Generation 2 Power management support
5 * Copyright (C) 2013 - 2015 Renesas Electronics Corporation
18 #include "rcar-gen2.h"
33 #define CA15RESCNT_CPUS 0xf /* CPU0-3 */
35 #define CA7RESCNT_CPUS 0xf /* CPU0-3 */
37 /* On-chip RAM */
38 #define ICRAM1 0xe63c0000 /* Inter Connect RAM1 (4 KiB) */
61 if (of_device_is_compatible(np, "arm,cortex-a15")) in rcar_gen2_pm_init()
63 else if (of_device_is_compatible(np, "arm,cortex-a7")) in rcar_gen2_pm_init()
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| /linux/Documentation/devicetree/bindings/display/ |
| H A D | st,stih4xx.txt | 3 - sti-vtg: video timing generator
5 - compatible: "st,vtg"
6 - reg: Physical base address of the IP registers and length of memory mapped region.
8 - interrupts : VTG interrupt number to the CPU.
9 - st,slave: phandle on a slave vtg
11 - sti-vtac: video timing advanced inter dye communication Rx and TX
13 - compatible: "st,vtac-main" or "st,vtac-aux"
14 - reg: Physical base address of the IP registers and length of memory mapped region.
15 - clocks: from common clock binding: handle hardware IP needed clocks, the
17 See ../clocks/clock-bindings.txt for details.
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| /linux/sound/soc/atmel/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SoC Audio for the Atmel System-on-Chip"
31 in PDC mode configured using audio-graph-card in device-tree.
40 in DMA mode configured using audio-graph-card in device-tree.
43 tristate "SoC Audio support for WM8731-based At91sam9g20 evaluation board"
49 Say Y if you want to add support for SoC audio on WM8731-based
63 tristate "SoC Audio support for WM8731-based at91sam9x5 board"
91 tristate "ASoC driver for the Axentia TSE-850"
98 Axentia TSE-850 with a PCM5142 codec.
110 tristate "Support for Mikroe-PROTO board"
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| /linux/drivers/net/ethernet/seeq/ |
| H A D | sgiseeq.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
77 #define SEEQ_TCMD_RB1 0x20 /* Register bank one w/multi-cast low byte */
78 #define SEEQ_TCMD_RB2 0x40 /* Register bank two w/multi-cast high byte */
98 #define SEEQ_HCTL_IPEND 0x00000002 /* IRQ is pending for the chip */
99 #define SEEQ_HCTL_IPG 0x00001000 /* Inter-packet gap */
100 #define SEEQ_HCTL_RFIX 0x00002000 /* At rxdc, clear end-of-packet */
|
| /linux/drivers/mfd/ |
| H A D | si476x-cmd.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/mfd/si476x-cmd.c -- Subroutines implementing command
21 #include <linux/mfd/si476x-core.h>
177 if (core->revision != SI476X_REVISION_A10) { in si476x_core_parse_and_nag_about_error()
184 err = -EINVAL; in si476x_core_parse_and_nag_about_error()
188 err = -EINVAL; in si476x_core_parse_and_nag_about_error()
192 err = -EINVAL; in si476x_core_parse_and_nag_about_error()
196 err = -EINVAL; in si476x_core_parse_and_nag_about_error()
200 err = -EINVAL; in si476x_core_parse_and_nag_about_error()
203 cause = "Chip is busy"; in si476x_core_parse_and_nag_about_error()
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| /linux/drivers/firmware/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
19 provides a mechanism for inter-processor communication between SCP
62 bool "Add firmware-provided memory map to sysfs" if EXPERT
65 Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
69 See also Documentation/ABI/testing/sysfs-firmware-memmap.
78 DMI-based module auto-loading.
193 bootloader or kernel can show basic video-output during boot for
194 user-guidance and debugging. Historically, x86 used the VESA BIOS
195 Extensions and EFI-framebuffers for this, which are mostly limited
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| /linux/drivers/net/ethernet/microchip/ |
| H A D | enc28j60.c | 1 // SPDX-License-Identifier: GPL-2.0+
77 } debug = { -1 };
86 struct device *dev = &priv->spi->dev; in spi_read_buf()
87 u8 *rx_buf = priv->spi_transfer_buf + 4; in spi_read_buf()
88 u8 *tx_buf = priv->spi_transfer_buf; in spi_read_buf()
106 ret = spi_sync(priv->spi, &msg); in spi_read_buf()
123 struct device *dev = &priv->spi->dev; in spi_write_buf()
126 if (len > SPI_TRANSFER_BUF_LEN - 1 || len <= 0) in spi_write_buf()
127 ret = -EINVAL; in spi_write_buf()
129 priv->spi_transfer_buf[0] = ENC28J60_WRITE_BUF_MEM; in spi_write_buf()
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| /linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-usb | 10 This allows to avoid side-effects with drivers
28 drivers, non-authorized one are not. By default, wired
33 Contact: linux-usb@vger.kernel.org
67 What: /sys/bus/usb-serial/drivers/.../new_id
69 Contact: linux-usb@vger.kernel.org
72 extra bus folder "usb-serial" in sysfs; apart from that
97 If CONFIG_PM is set and a USB 2.0 lpm-capable device is plugged
113 If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged
141 attribute allows user-space to know whether the device is
145 an on-screen keyboard if the only wireless keyboard is
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| /linux/sound/soc/tegra/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SoC Audio for the Tegra System-on-Chip"
83 Config to enable the Inter-IC Sound (I2S) Controller which
84 implements full-duplex and bidirectional and single direction
85 point-to-point serial interfaces. It can interface with I2S
114 converts the multi-bit Pulse Code Modulation (PCM) audio input to
115 oversampled 1-bit Pulse Density Modulation (PDM) output. From the
117 that up-samples the input to the desired sampling rate by
119 the desired 1-bit output via Delta Sigma Modulation (DSM).
139 per-stream volume control or for master volume control.
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| /linux/drivers/net/ethernet/i825xx/ |
| H A D | sun3_82586.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
8 * copyrights (c) 1994 by Michael Hipp (hippm@informatik.uni-tuebingen.de)
11 * crynwr-packet-driver by Russ Nelson
12 * Garret A. Wollman's i82586-driver for BSD
22 /* defines for the obio chip (not vme) */
53 char *iscp; /* pointer to the iscp-block */
65 char *scb_base; /* base-address of all 16-bit offsets */
79 unsigned short crc_errs; /* CRC-Error counter */
89 #define RUC_NOP 0x0000 /* NOP-command */
96 #define CUC_NOP 0x00 /* NOP-command */
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| /linux/sound/drivers/vx/ |
| H A D | vx_pcm.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
11 * IBL size, typically 126 samples. at each end of chunk, the end-of-buffer
15 * pipe->transferred is the counter of data which has been already transferred.
25 * the current point of read buffer is kept in pipe->hw_ptr. note that
29 * - linked trigger for full-duplex mode.
30 * - scheduled action on the stream.
45 static void vx_pcm_read_per_bytes(struct vx_core *chip, struct snd_pcm_runtime *runtime, in vx_pcm_read_per_bytes() argument
48 int offset = pipe->hw_ptr; in vx_pcm_read_per_bytes()
49 unsigned char *buf = (unsigned char *)(runtime->dma_area + offset); in vx_pcm_read_per_bytes()
50 *buf++ = vx_inb(chip, RXH); in vx_pcm_read_per_bytes()
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| /linux/include/linux/spi/ |
| H A D | spi.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later
36 * INTERFACES between SPI master-side drivers and SPI slave protocol handlers,
42 * struct spi_statistics - statistics for spi transfers
43 * @syncp: seqcount to protect members in this struct for per-cpu update
44 * on 32-bit systems
46 * @messages: number of spi-messages handled
95 u64_stats_update_begin(&__lstats->syncp); \
96 u64_stats_add(&__lstats->field, count); \
97 u64_stats_update_end(&__lstats->syncp); \
106 u64_stats_update_begin(&__lstats->syncp); \
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| /linux/drivers/net/ethernet/sun/ |
| H A D | sunhme.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
38 #define GREG_STAT_ACNTEXP 0x00000004 /* Align-error counter expired */
39 #define GREG_STAT_CCNTEXP 0x00000008 /* CRC-error counter expired */
40 #define GREG_STAT_LCNTEXP 0x00000010 /* Length-error counter expired */
42 #define GREG_STAT_CVCNTEXP 0x00000040 /* Code-violation counter expired */
46 #define GREG_STAT_MAXPKTERR 0x00000400 /* Max-packet size error */
47 #define GREG_STAT_NCNTEXP 0x00000800 /* Normal-collision counter expired */
48 #define GREG_STAT_ECNTEXP 0x00001000 /* Excess-collision counter expired */
49 #define GREG_STAT_LCCNTEXP 0x00002000 /* Late-collision counter expired */
50 #define GREG_STAT_FCNTEXP 0x00004000 /* First-collision counter expired */
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