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/linux/Documentation/devicetree/bindings/clock/
H A Draspberrypi,rp1-clocks.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/raspberrypi,rp1-clocks.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - A. della Porta <andrea.porta@suse.com>
15 the clocks to drive the sub-peripherals embedded inside the chipset.
18 https://datasheets.raspberrypi.com/rp1/rp1-peripherals.pdf
22 const: raspberrypi,rp1-clocks
27 '#clock-cells':
31 include/dt-bindings/clock/raspberrypi,rp1-clocks.h.
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H A Dbaikal,bt1-ccu-pll.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/clock/baikal,bt1-ccu-pll.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Baikal-T1 Clock Control Unit PLL
11 - Serge Semin <fancer.lancer@gmail.com>
14 Clocks Control Unit is the core of Baikal-T1 SoC System Controller
18 IP-blocks or to groups of blocks (clock domains). The transformation is done
19 by means of PLLs and gateable/non-gateable dividers embedded into the CCU.
23 2) PLLs clocks generators (PLLs) - described in this binding file.
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/linux/Documentation/dev-tools/
H A Dgpio-sloppy-logic-analyzer.rst1 .. SPDX-License-Identifier: GPL-2.0
12 This document briefly describes how to run the GPIO based in-kernel sloppy
22 Another feature is to snoop on on-chip peripherals if the I/O cells of these
23 peripherals can be used in GPIO input mode at the same time as they are being
26 control subsystem such pin controllers are called "non-strict": a certain pin
31 non-deterministic code paths and non-maskable interrupts. It is called 'sloppy'
47 i2c-analyzer {
48 compatible = "gpio-sloppy-logic-analyzer";
49 probe-gpios = <&gpio6 21 GPIO_OPEN_DRAIN>, <&gpio6 4 GPIO_OPEN_DRAIN>;
50 probe-names = "SCL", "SDA";
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/linux/arch/arm/mach-bcm/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
26 core peripherals. Application specific SoCs are created by adding a
27 uArchitecture containing peripherals outside of the IPROC complex.
63 Ethernet PHYs, DDR3 memory, PCIE Gen-2, USB 2.0 and USB 3.0, serial and
146 can be disabled for an SMP-enabled kernel.
174 BCM53573 series is set of SoCs using ARM Cortex-A7 CPUs with wireless
196 Say Y if you intend to run the kernel on a Broadcom ARM-based STB
199 This enables support for Broadcom ARM-based set-top box chipsets,
209 Say Y if you intend to run the kernel on a Broadcom Broadband ARM-based
212 This enables support for Broadcom BCA ARM-based broadband chipsets,
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/linux/include/linux/
H A Dfsl_devices.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
17 PHY CLK to become stable - 10ms*/
23 * Some conventions on how we handle peripherals on Freescale chips
30 * Each sub-arch has its own master list of unique devices and
31 * enumerates them by enum fsl_devices in a sub-arch specific header
40 * - platform data structures: <driver>_platform_data
41 * - platform data device flags: FSL_<driver>_DEV_<FLAG>
42 * - platform data board flags: FSL_<driver>_BRD_<FLAG>
47 FSL_USB_VER_NONE = -1,
86 unsigned power_budget; /* hcd->power_budget */
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/linux/Documentation/devicetree/bindings/power/reset/
H A Dqcom,pon.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Vinod Koul <vkoul@kernel.org>
14 and resin along with the Android reboot-mode.
16 This DT node has pwrkey and resin as sub nodes.
21 - qcom,pm8916-pon
22 - qcom,pm8941-pon
23 - qcom,pms405-pon
24 - qcom,pm8998-pon
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/linux/Documentation/userspace-api/media/v4l/
H A Dopen.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
16 devices or peripherals, each of which have their own driver.
22 the hardware, which may also expose device nodes, called V4L2 sub-devices.
24 When such V4L2 sub-devices are exposed, they allow controlling those
25 other hardware components - usually connected via a serial bus (like
26 I²C, SMBus or SPI). Depending on the bridge driver, those sub-devices
29 :ref:`V4L2 sub-devices <subdev>`.
32 :ref:`Media Controller <media_controller>` are called **MC-centric**
34 are called **video-node-centric**.
36 Userspace can check if a V4L2 hardware peripheral is MC-centric by
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/linux/Documentation/driver-api/usb/
H A Dusb.rst1 .. _usb-hostside-api:
4 The Linux-USB Host Side API
13 interior nodes, and peripherals as leaves (and slaves). Modern PCs
18 That master/slave asymmetry was designed-in for a number of reasons, one
22 distributed auto-configuration since the pre-designated master node
28 new drivers for peripherals have been added and advanced features for latency
32 the devices. But USB device drivers running inside those peripherals
37 USB Host-Side API Model
40 Host-side drivers for USB devices talk to the "usbcore" APIs. There are
41 two. One is intended for *general-purpose* drivers (exposed through
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/linux/Documentation/devicetree/bindings/pinctrl/
H A Draspberrypi,rp1-gpio.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/raspberrypi,rp1-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - A. della Porta <andrea.porta@suse.com>
14 sub-peripherals, a gpio/pinconf/mux controller whose 54 pins are grouped
20 const: raspberrypi,rp1-gpio
26 '#gpio-cells':
28 to specify the flags (see include/dt-bindings/gpio/gpio.h).
31 gpio-controller: true
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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dti,pruss-intc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/ti,pruss-intc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI PRU-ICSS Local Interrupt Controller
10 - Suman Anna <s-anna@ti.com>
13 Each PRU-ICSS has a single interrupt controller instance that is common
17 various other PRUSS internal and external peripherals. The first 2 output
22 The property "ti,irqs-reserved" is used for denoting the connection
30 through 19) are connected to new sub-modules within the ICSSG instances.
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/linux/drivers/media/pci/bt8xx/
H A Ddvb-bt8xx.c1 // SPDX-License-Identifier: GPL-2.0-or-later
23 #include "dvb-bt8xx.h"
45 struct dvb_bt8xx_card *card = dev_get_drvdata(&bt->adapter->dev); in dvb_bt8xx_work()
47 dprintk("%d\n", card->bt->finished_block); in dvb_bt8xx_work()
49 while (card->bt->last_block != card->bt->finished_block) { in dvb_bt8xx_work()
50 (card->bt->TS_Size ? dvb_dmx_swfilter_204 : dvb_dmx_swfilter) in dvb_bt8xx_work()
51 (&card->demux, in dvb_bt8xx_work()
52 &card->bt->buf_cpu[card->bt->last_block * in dvb_bt8xx_work()
53 card->bt->block_bytes], in dvb_bt8xx_work()
54 card->bt->block_bytes); in dvb_bt8xx_work()
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/linux/arch/sh/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
80 <http://www.linux-sh.org/>.
213 prompt "Processor sub-type selection"
219 # SH-2 Processor Support
232 # SH-2A Processor Support
278 bool "Support MX-G processor"
282 Select MX-G if running on an R8A03022BG part.
284 # SH-3 Processor Support
294 Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
300 Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
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/linux/Documentation/driver-api/dmaengine/
H A Dprovider.rst20 DMA-eligible devices to the controller itself. Whenever the device
44 transfer into smaller sub-transfers.
49 non-contiguous buffers to a contiguous buffer, which is called
50 scatter-gather.
53 scatter-gather. So we're left with two cases here: either we have a
56 that implements in hardware scatter-gather.
79 These were just the general memory-to-memory (also called mem2mem) or
80 memory-to-device (mem2dev) kind of transfers. Most devices often
98 documentation file in Documentation/crypto/async-tx-api.rst.
104 ------------------------------------
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/linux/drivers/firmware/xilinx/
H A Dzynqmp.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2014-2022 Xilinx, Inc.
6 * Copyright (C) 2022 - 2024, Advanced Micro Devices, Inc.
14 #include <linux/arm-smccc.h>
28 #include <linux/firmware/xlnx-zynqmp.h>
29 #include <linux/firmware/xlnx-event-manager.h>
30 #include "zynqmp-debug.h"
37 /* BOOT_PIN_CTRL- Used to control the mode pins after boot */
39 /* BOOT_PIN_CTRL_MASK- out_val[11:8], out_en[3:0] */
54 * struct zynqmp_devinfo - Structure for Zynqmp device instance
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/linux/drivers/hid/
H A Dhid-nvidia-shield.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * HID driver for NVIDIA SHIELD peripherals.
10 #include <linux/input-event-codes.h>
20 #include "hid-ids.h"
26 HID_USAGE_ANDROID_PLAYPAUSE_BTN = 0xcd, /* Double-tap volume slider */
201 * Non-trivial to uniquely identify Thunderstrike controllers at initialization
211 /* Sub-devices */
232 report->report_id = THUNDERSTRIKE_HOSTCMD_REQ_REPORT_ID; in thunderstrike_hostcmd_req_report_init()
233 report->cmd_id = cmd_id; in thunderstrike_hostcmd_req_report_init()
238 dest[0] = ('A' - 1) + (rev >> 8); in shield_strrev()
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/linux/include/uapi/linux/
H A Dethtool.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
26 * have the same layout for 32-bit and 64-bit userland.
38 * struct ethtool_cmd - DEPRECATED, link control and status
43 * interface supports autonegotiation or auto-detection.
44 * Read-only.
48 * auto-detection.
56 * @autoneg: Enable/disable autonegotiation and auto-detection;
60 * Read-only.
62 * obsoleted by &struct ethtool_coalesce. Read-only; deprecated.
64 * obsoleted by &struct ethtool_coalesce. Read-only; deprecated.
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/linux/drivers/pinctrl/renesas/
H A Dpinctrl-rzn1.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2014-2018 Renesas Electronics Europe Limited
9 #include <dt-bindings/pinctrl/rzn1-pinctrl.h>
19 #include <linux/pinctrl/pinconf-generic.h>
26 #include "../pinctrl-utils.h"
50 * floating, or one of seven internal peripherals. Unfortunately, there are two
83 * struct rzn1_pmx_func - describes rzn1 pinmux functions
95 * struct rzn1_pin_group - describes an rzn1 pin group
187 u32 val = ipctl->lev1_protect_phys | !(value & LOCK_LEVEL1); in rzn1_hw_set_lock()
189 writel(val, &ipctl->lev1->status_protect); in rzn1_hw_set_lock()
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/linux/arch/arc/mm/
H A Dcache.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
6 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
55 p_slc->sz_k = 128 << slc_cfg.sz; in read_decode_cache_bcr_arcv2()
56 l2_line_sz = p_slc->line_len = (slc_cfg.lsz == 0) ? 128 : 64; in read_decode_cache_bcr_arcv2()
57 n += scnprintf(buf + n, len - n, in read_decode_cache_bcr_arcv2()
59 p_slc->sz_k, p_slc->line_len, IS_USED_RUN(slc_enable)); in read_decode_cache_bcr_arcv2()
88 /* HS 3.0 has limit and strict-ordering fields */ in read_decode_cache_bcr_arcv2()
90 perip_end = (vol.limit << 28) - 1; in read_decode_cache_bcr_arcv2()
93 n += scnprintf(buf + n, len - n, "Peripherals\t: %#lx%s%s\n", in read_decode_cache_bcr_arcv2()
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/linux/arch/m68k/ifpsp060/src/
H A Disp.S3 M68000 Hi-Performance Microprocessor Division
5 Production Release P1.00 -- October 10, 1994
98 mov.l %d0,-(%sp)
99 mov.l (_060ISP_TABLE-0x80+_off_chk,%pc),%d0
100 pea.l (_060ISP_TABLE-0x80,%pc,%d0)
106 mov.l %d0,-(%sp)
107 mov.l (_060ISP_TABLE-0x80+_off_divbyzero,%pc),%d0
108 pea.l (_060ISP_TABLE-0x80,%pc,%d0)
114 mov.l %d0,-(%sp)
115 mov.l (_060ISP_TABLE-0x80+_off_trace,%pc),%d0
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/linux/drivers/gpu/drm/
H A Ddrm_mipi_dsi.c4 * Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
11 * distribute, sub license, and/or sell copies of the Software, and to
21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
40 #include <linux/media-bus-format.h>
48 * peripherals.
63 if (!strcmp(dsi->name, drv->name)) in mipi_dsi_device_match()
75 if (err != -ENODEV) in mipi_dsi_uevent()
79 dsi->name); in mipi_dsi_uevent()
96 .name = "mipi-dsi",
104 * of_find_mipi_dsi_device_by_node() - find the MIPI DSI device matching a
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