| /OK3568_Linux_fs/u-boot/drivers/usb/gadget/ |
| H A D | Kconfig | 6 # NOTE: Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
8 # - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
9 # - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
10 # - Some systems have both kinds of controllers.
12 # With help from a special transceiver and a "Mini-AB" jack, systems with
13 # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
22 you can't connect a "to-the-host" connector to a peripheral.
24 U-Boot can run in the host, or in the peripheral. In both cases
28 familiar host side controllers have names like "EHCI", "OHCI",
32 Enable this configuration option if you want to run U-Boot inside
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| /OK3568_Linux_fs/kernel/net/ipv4/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
10 intend to participate in the MBONE, a high bandwidth network on top
40 so-called IP spoofing, however it can pose problems if you use
42 than packets from that host to you) or if you operate a non-routing
52 <file:Documentation/networking/ip-sysctl.rst>.
71 address into account. Furthermore, the TOS (Type-Of-Service) field
89 equal "cost" and chooses one of them in a non-deterministic fashion
132 <file:Documentation/admin-guide/nfs/nfsroot.rst> for details.
147 Read <file:Documentation/admin-guide/nfs/nfsroot.rst> for details.
160 <file:Documentation/admin-guide/nfs/nfsroot.rst> for details.
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| /OK3568_Linux_fs/kernel/Documentation/hwmon/ |
| H A D | ina2xx.rst | 10 Addresses: I2C 0x40 - 0x4f
20 Addresses: I2C 0x40 - 0x4f
30 Addresses: I2C 0x40 - 0x4f
40 Addresses: I2C 0x40 - 0x4f
50 Addresses: I2C 0x40 - 0x4f
59 -----------
61 The INA219 is a high-side current shunt and power monitor with an I2C
65 The INA220 is a high or low side current shunt and power monitor with an I2C
71 INA230 and INA231 are high or low side current shunt and power monitors
75 The shunt value in micro-ohms can be set via platform data or device tree at
[all …]
|
| H A D | max16065.rst | 11 Addresses scanned: -
15 http://datasheets.maxim-ic.com/en/ds/MAX16065-MAX16066.pdf
21 Addresses scanned: -
25 http://datasheets.maxim-ic.com/en/ds/MAX16067.pdf
31 Addresses scanned: -
35 http://datasheets.maxim-ic.com/en/ds/MAX16068.pdf
41 Addresses scanned: -
45 http://datasheets.maxim-ic.com/en/ds/MAX16070-MAX16071.pdf
47 Author: Guenter Roeck <linux@roeck-us.net>
51 -----------
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| /OK3568_Linux_fs/kernel/Documentation/admin-guide/media/ |
| H A D | si476x.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 -------------------
14 - According to the SiLabs' datasheet it is possible to update the
15 firmware of the radio chip in the run-time, thus bringing it to the
23 -------------------------------
31 * /sys/kernel/debug/<device-name>/acf
52 0x05 smute 0 - Audio is not soft muted
53 1 - Audio is soft muted
60 0x10 pilot 0 - Stereo pilot is not present
61 1 - Stereo pilot is present
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| /OK3568_Linux_fs/kernel/drivers/usb/gadget/udc/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
7 # NOTE: Gadget support ** DOES NOT ** depend on host-side CONFIG_USB !!
9 # - Host systems (like PCs) need CONFIG_USB (with "A" jacks).
10 # - Peripherals (like PDAs) need CONFIG_USB_GADGET (with "B" jacks).
11 # - Some systems have both kinds of controllers.
13 # With help from a special transceiver and a "Mini-AB" jack, systems with
14 # both kinds of controller can also support "USB On-the-Go" (CONFIG_USB_OTG).
22 # - integrated/SOC controllers first
23 # - licensed IP used in both SOC and discrete versions
24 # - discrete ones (including all PCI-only controllers)
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| /OK3568_Linux_fs/kernel/include/sound/sof/ |
| H A D | control.h | 1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
19 /* channel positions - uses same values as ALSA */
30 SOF_CHMAP_SL, /**< side left */
31 SOF_CHMAP_SR, /**< side right */
39 SOF_CHMAP_FLH, /**< front left high */
40 SOF_CHMAP_FCH, /**< front centre high */
41 SOF_CHMAP_FRH, /**< front right high */
51 SOF_CHMAP_TSL, /**< top side left */
52 SOF_CHMAP_TSR, /**< top side right */
63 /* per channel data - uses struct sof_ipc_ctrl_value_chan */
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| /OK3568_Linux_fs/kernel/drivers/gpio/ |
| H A D | gpio-mc33880.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * MC33880 high-side/low-side switch GPIO driver
8 * Freescale MC33880 high-side/low-side switch
45 return spi_write(mc->spi, &mc->port_config, sizeof(mc->port_config)); in mc33880_write_config()
52 mc->port_config |= 1 << offset; in __mc33880_set()
54 mc->port_config &= ~(1 << offset); in __mc33880_set()
64 mutex_lock(&mc->lock); in mc33880_set()
68 mutex_unlock(&mc->lock); in mc33880_set()
77 pdata = dev_get_platdata(&spi->dev); in mc33880_probe()
78 if (!pdata || !pdata->base) { in mc33880_probe()
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| /OK3568_Linux_fs/u-boot/board/freescale/t4qds/ |
| H A D | README | 2 --------
3 The T4240QDS is a high-performance computing evaluation, development and test
5 optimized to support the high-bandwidth DDR3 memory ports, as well as the
6 highly-configurable SerDes ports. The system is lead-free and RoHS-compliant.
10 32 lanes grouped into four 8-lane banks
11 Two “front side” banks dedicated to Ethernet
12 - High-speed crosspoint switch fabric on selected lanes
13 - Two PCI Express slots with side-band connector supporting
14 - SGMII
15 - XAUI
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| /OK3568_Linux_fs/kernel/drivers/usb/gadget/function/ |
| H A D | u_ether.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * u_ether.h -- interface to USB gadget "ethernet link" utilities
5 * Copyright (C) 2003-2005,2008 David Brownell
6 * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger
29 MODULE_PARM_DESC(qmult, "queue length multiplier at high/super speed");\
42 * This represents the USB side of an "ethernet" link, managed by a USB
58 /* endpoints handle full and/or high speeds */
95 /* gether_setup - initialize one ethernet-over-usb link
98 * host side of the link is recorded
121 * gether_register_netdev - register the net device
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| /OK3568_Linux_fs/u-boot/doc/ |
| H A D | README.i2c | 4 While I2C supports multi-master buses this is difficult to get right.
5 The implementation on the master side in software is quite complex.
6 Clock-stretching and the arbitrary time that an I2C transaction can take
7 make it difficult to share the bus fairly in the face of high traffic.
8 When one or more masters can be reset independently part-way through a
11 U-Boot provides a scheme based on two 'claim' GPIOs, one driven by the
16 reboots by either side without difficulty.
18 Since U-Boot runs on the AP, the terminology used is 'our' claim GPIO,
23 i2c-arb-gpio-challenge for the implementation.
28 - AP_CLAIM: output from AP, signalling to the EC that the AP wants the bus
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| /OK3568_Linux_fs/kernel/include/linux/dma/ |
| H A D | k3-psil.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com
16 * enum udma_tp_level - Channel Throughput Levels
18 * @UDMA_TP_HIGH: High Throughput channel
19 * @UDMA_TP_ULTRAHIGH: Ultra High Throughput channel
29 * enum psil_endpoint_type - PSI-L Endpoint type
43 * struct psil_endpoint_config - PSI-L Endpoint configuration
44 * @ep_type: PSI-L endpoint type
51 * @pdma_acc32: ACC32 must be enabled on the PDMA side
52 * @pdma_burst: BURST must be enabled on the PDMA side
|
| /OK3568_Linux_fs/kernel/Documentation/driver-api/usb/ |
| H A D | gadget.rst | 11 This document presents a Linux-USB "Gadget" kernel mode API, for use
17 - Supports USB 2.0, for high speed devices which can stream data at
20 - Handles devices with dozens of endpoints just as well as ones with
21 just two fixed-function ones. Gadget drivers can be written so
24 - Flexible enough to expose more complex USB device capabilities such
28 - USB "On-The-Go" (OTG) support, in conjunction with updates to the
29 Linux-USB host side.
31 - Sharing data structures and API models with the Linux-USB host side
32 API. This helps the OTG support, and looks forward to more-symmetric
34 side drivers).
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| /OK3568_Linux_fs/u-boot/include/linux/usb/ |
| H A D | composite.h | 2 * composite.h -- framework for usb gadgets which are composite devices
4 * Copyright (C) 2006-2008 David Brownell
6 * SPDX-License-Identifier: GPL-2.0+
15 * functions within any single configuration, and (b) Multi-configuration
42 * struct usb_function - describes one function of a configuration
49 * @hs_descriptors: Table of high speed descriptors, using interface and
51 * the function will not be available at high speed.
60 * @unbind: Reverses @bind; called as a side effect of unregistering the
70 * @setup: Used for interface-specific control requests.
75 * cases support operation at both full and high speeds. Each function is
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| /OK3568_Linux_fs/kernel/kernel/ |
| H A D | context_tracking.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Context tracking: Probe on high level context boundaries such as kernel
13 * Many thanks to Gilad Ben-Yossef, Paul McKenney, Ingo Molnar, Andrew Morton,
54 * context_tracking_enter - Inform the context tracking that the CPU is going
59 * instructions to execute won't use any RCU read side critical section
65 WARN_ON_ONCE(!current->mm); in __context_tracking_enter()
75 * any RCU read-side critical section until the next call to in __context_tracking_enter()
135 * context_tracking_exit - Inform the context tracking that the CPU is
139 * guest space before any use of RCU read side critical section. This
140 * potentially include any high level kernel code like syscalls, exceptions,
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| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/arm/ |
| H A D | atmel-sysregs.txt | 4 - compatible: Should be "atmel,sama5d2-chipid"
5 - reg : Should contain registers location and length
8 - compatible: Should be "atmel,at91sam9260-pit"
9 - reg: Should contain registers location and length
10 - interrupts: Should contain interrupt for the PIT which is the IRQ line
14 - compatible: Should be "microchip,sam9x60-pit64b"
15 - reg: Should contain registers location and length
16 - interrupts: Should contain interrupt for PIT64B timer
17 - clocks: Should contain the available clock sources for PIT64B timer.
20 - compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd"
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| /OK3568_Linux_fs/kernel/Documentation/ABI/stable/ |
| H A D | sysfs-driver-aspeed-vuart | 1 What: /sys/bus/platform/drivers/aspeed-vuart/*/lpc_address
4 Description: Configures which IO port the host side of the UART
5 will appear on the host <-> BMC LPC bus.
9 What: /sys/bus/platform/drivers/aspeed-vuart/*/sirq
12 Description: Configures which interrupt number the host side of
13 the UART will appear on the host <-> BMC LPC bus.
17 What: /sys/bus/platform/drivers/aspeed-vuart/*/sirq_polarity
22 Set to 0 for active-low or 1 for active-high.
|
| /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/media/ |
| H A D | video-interfaces.txt | 4 ---------------
21 #address-cells = <1>;
22 #size-cells = <0>;
37 a common scheme using '#address-cells', '#size-cells' and 'reg' properties is
41 specify #address-cells, #size-cells properties independently for the 'port'
44 Two 'endpoint' nodes are linked with each other through their 'remote-endpoint'
53 a device is partitioned into multiple data busses, e.g. 16-bit input port
54 divided into two separate ITU-R BT.656 8-bit busses. In such case bus-width
55 and data-shift properties can be used to assign physical data lines to each
59 --------------------------------
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|
| /OK3568_Linux_fs/kernel/Documentation/admin-guide/hw-vuln/ |
| H A D | spectre.rst | 1 .. SPDX-License-Identifier: GPL-2.0
3 Spectre Side Channels
6 Spectre is a class of side channel attacks that exploit branch prediction
8 bypassing access controls. Speculative execution side channel exploits
14 -------------------
16 Speculative execution side channel methods affect a wide range of modern
17 high performance processors, since most modern high speed processors
22 - Intel Core, Atom, Pentium, and Xeon processors
24 - AMD Phenom, EPYC, and Zen processors
26 - IBM POWER and zSeries processors
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| /OK3568_Linux_fs/kernel/Documentation/sound/designs/ |
| H A D | channel-mapping-api.rst | 2 ALSA PCM channel-mapping API
38 the kernel/user-space ABI perspective. It uses only the existing
57 ---
61 ``type data-bytes ch0 ch1 ch2...``
71 type is where pair-wise channels are swappable. For example, when you
88 /* this follows the alsa-lib mixer channel value + 3 */
95 SNDRV_CHMAP_SL, /* side left */
96 SNDRV_CHMAP_SR, /* side right */
105 SNDRV_CHMAP_FLH, /* front left high */
106 SNDRV_CHMAP_FCH, /* front center high */
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| /OK3568_Linux_fs/kernel/arch/arm/mach-pxa/ |
| H A D | palmtreo.c | 1 // SPDX-License-Identifier: GPL-2.0-only
24 #include <linux/w1-gpio.h>
26 #include <asm/mach-types.h>
31 #include "pxa27x-udc.h"
34 #include <linux/platform_data/mmc-pxamci.h>
35 #include <linux/platform_data/video-pxafb.h>
36 #include <linux/platform_data/irda-pxaficp.h>
37 #include <linux/platform_data/keypad-pxa27x.h>
39 #include <linux/platform_data/usb-ohci-pxa27x.h>
40 #include <mach/pxa2xx-regs.h>
[all …]
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| /OK3568_Linux_fs/kernel/kernel/rcu/ |
| H A D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # RCU-related debugging configuration options
19 false-positive splats, we keep it default disabled but once all
65 tristate "Scalability tests for read-side synchronization (RCU and others)"
75 useful comparing RCU with various read-side synchronization mechanisms.
104 stall timeout. This feature is useful for high-availability
123 This option enables additional tracepoints for ftrace-style
135 bugs in arch-specific NO_HZ code.
148 scalability, destroys real-time response, degrades battery
153 too-short RCU read-side critical sections.
|
| /OK3568_Linux_fs/kernel/Documentation/virt/ |
| H A D | guest-halt-polling.rst | 9 This provides the following benefits to host side polling:
15 2) The VM-exit cost can be avoided.
17 The downside of guest side polling is that polling is performed
25 ("per-cpu guest_halt_poll_ns"), which is adjusted by the algorithm
42 Division factor used to shrink per-cpu guest_halt_poll_ns when
49 Multiplication factor used to grow per-cpu guest_halt_poll_ns
50 when event occurs after per-cpu guest_halt_poll_ns
57 The per-cpu guest_halt_poll_ns eventually reaches zero
59 per-cpu guest_halt_poll_ns when growing. This can
70 to avoid it (per-cpu guest_halt_poll_ns will remain
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|
| /OK3568_Linux_fs/kernel/Documentation/RCU/Design/Requirements/ |
| H A D | Requirements.rst | 16 ------------
18 Read-copy update (RCU) is a synchronization mechanism that is often used
19 as a replacement for reader-writer locking. RCU is unusual in that
20 updaters do not block readers, which means that RCU's read-side
28 thought of as an informal, high-level specification for RCU. It is
40 #. `Fundamental Non-Requirements`_
42 #. `Quality-of-Implementation Requirements`_
44 #. `Software-Engineering Requirements`_
53 ------------------------
58 #. `Grace-Period Guarantee`_
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| /OK3568_Linux_fs/kernel/Documentation/driver-api/ |
| H A D | i2c.rst | 5 the "Inter-IC" bus, a simple bus protocol which is widely used where low
7 some vendors use another name (such as "Two-Wire Interface", TWI) for
11 there's a high speed extension (3.4 MHz) that's not yet found wide use.
12 I2C is a multi-master bus; open drain signaling is used to arbitrate
16 The Linux I2C programming interfaces support the master side of bus
17 interactions and the slave side. The programming interface is
38 .. kernel-doc:: include/linux/i2c.h
41 .. kernel-doc:: drivers/i2c/i2c-boardinfo.c
44 .. kernel-doc:: drivers/i2c/i2c-core-base.c
47 .. kernel-doc:: drivers/i2c/i2c-core-smbus.c
|