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/Documentation/devicetree/bindings/input/
Dti,drv260x.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments - drv260x Haptics driver family
10 - Andrew Davis <afd@ti.com>
15 - ti,drv2604
16 - ti,drv2605
17 - ti,drv2605l
22 vbat-supply:
30 (defined in include/dt-bindings/input/ti-drv260x.h)
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/Documentation/devicetree/bindings/phy/
Dqcom,usb-snps-femto-v2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/qcom,usb-snps-femto-v2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Synopsys Femto High-Speed USB PHY V2
10 - Wesley Cheng <quic_wcheng@quicinc.com>
13 Qualcomm High-Speed USB PHY
18 - items:
19 - enum:
20 - qcom,sa8775p-usb-hs-phy
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Dapm-xgene-phy.txt1 * APM X-Gene 15Gbps Multi-purpose PHY nodes
3 PHY nodes are defined to describe on-chip 15Gbps Multi-purpose PHY. Each
7 - compatible : Shall be "apm,xgene-phy".
8 - reg : PHY memory resource is the SDS PHY access resource.
9 - #phy-cells : Shall be 1 as it expects one argument for setting
14 - status : Shall be "ok" if enabled or "disabled" if disabled.
16 - clocks : Reference to the clock entry.
17 - apm,tx-eye-tuning : Manual control to fine tune the capture of the serial
19 Two set of 3-tuple setting for each (up to 3)
22 - apm,tx-eye-direction : Eye tuning manual control direction. 0 means sample
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/Documentation/devicetree/bindings/display/imx/
Dfsl-imx-drm.txt8 - compatible: Should be "fsl,imx-display-subsystem"
9 - ports: Should contain a list of phandles pointing to display interface ports
14 display-subsystem {
15 compatible = "fsl,imx-display-subsystem";
24 - compatible: Should be "fsl,<chip>-ipu" where <chip> is one of
25 - imx51
26 - imx53
27 - imx6q
28 - imx6qp
29 - reg: should be register base and length as documented in the
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/Documentation/userspace-api/media/v4l/
Dext-ctrls-fm-tx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _fm-tx-controls:
15 .. _fm-tx-control-id:
27 step are driver-specific.
34 to 31 pre-defined programme types.
52 programme-related information or any other text. In these cases,
97 up to 25 frequencies to be defined. Drivers may support fewer
103 receiver-generated distortion and prevent overmodulation.
107 useconds. Step and range are driver-specific.
111 are driver-specific.
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Dext-ctrls-fm-rx.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _fm-rx-controls:
13 .. _fm-rx-control-id:
27 Gets RDS Programme Type field. This encodes up to 31 pre-defined
45 wishes to transmit longer PS names, programme-related information or
70 enum v4l2_deemphasis -
71 Configures the de-emphasis value for reception. A de-emphasis filter
75 values for de-emphasis. Here they are:
79 .. flat-table::
80 :header-rows: 0
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/Documentation/gpu/amdgpu/display/
Ddisplay-manager.rst8 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
11 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
17 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
20 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
26 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
29 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
32 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
38 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
41 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
47 .. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
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/Documentation/ABI/testing/
Dsysfs-driver-ppi9 'find /sys/ -name 'pcrs''. For the detail information of PPI,
31 executed in the pre-OS environment. It is the only input from
32 the OS to the pre-OS environment. The request should be an
49 This attribute shows the platform-specific action that should
60 operation to be executed in the pre-OS environment by the BIOS
61 for the requests defined by TCG, i.e. requests from 1 to 22.
71 operation to be executed in the pre-OS environment by the BIOS
/Documentation/devicetree/bindings/display/bridge/
Dtoshiba,tc358767.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andrey Gusakov <andrey.gusakov@cogentembedded.com>
19 - items:
20 - enum:
21 - toshiba,tc358867
22 - toshiba,tc9595
23 - const: toshiba,tc358767
24 - const: toshiba,tc358767
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/Documentation/devicetree/bindings/firmware/
Dgunyah-cma-mem.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/gunyah-cma-mem.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>
11 - Elliot Berman <quic_eberman@quicinc.com>
14 gunyah-cma-mem is a CMA memory manager that allows VMMs to use
16 regions are pre-defined by the firmware to have special attributes
21 - const: gunyah-cma-vm-mem
23 memory-region:
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/Documentation/devicetree/bindings/net/
Dhisilicon-femac.txt4 - compatible: should contain one of the following version strings:
5 * "hisilicon,hisi-femac-v1"
6 * "hisilicon,hisi-femac-v2"
7 and the soc string "hisilicon,hi3516cv300-femac".
8 - reg: specifies base physical address(s) and size of the device registers.
11 - interrupts: should contain the MAC interrupt.
12 - clocks: A phandle to the MAC main clock.
13 - resets: should contain the phandle to the MAC reset signal(required) and
15 - reset-names: should contain the reset signal name "mac"(required)
17 - phy-mode: see ethernet.txt [1].
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Dhisilicon-hix5hd2-gmac.txt4 - compatible: should contain one of the following SoC strings:
5 * "hisilicon,hix5hd2-gmac"
6 * "hisilicon,hi3798cv200-gmac"
7 * "hisilicon,hi3516a-gmac"
9 * "hisilicon,hisi-gmac-v1"
10 * "hisilicon,hisi-gmac-v2"
13 - reg: specifies base physical address(s) and size of the device registers.
16 - interrupts: should contain the MAC interrupt.
17 - #address-cells: must be <1>.
18 - #size-cells: must be <0>.
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/Documentation/driver-api/thermal/
Dexynos_thermal.rst15 ---------------------------
19 The chip only exposes the measured 8-bit temperature code value
27 Tc = (T - 25) * (TI2 - TI1) / (85 - 25) + TI1
31 Tc = T + TI1 - 25
47 when temperature exceeds pre-defined levels.
49 The threshold levels are defined as follows::
65 -----------------------
74 TMU configuration data -----> TMU Driver <----> Exynos Core thermal wrapper
/Documentation/devicetree/bindings/mtd/
Dmtd.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Miquel Raynal <miquel.raynal@bootlin.com>
11 - Richard Weinberger <richard@nod.at>
21 User-defined MTD device name. Can be used to assign user friendly
26 '#address-cells':
29 '#size-cells':
36 - compatible
39 "@[0-9a-f]+$":
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/Documentation/devicetree/bindings/watchdog/
Dti,rti-wdt.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/watchdog/ti,rti-wdt.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tero Kristo <t-kristo@ti.com>
21 - $ref: watchdog.yaml#
26 - ti,j7-rti-wdt
34 power-domains:
37 memory-region:
43 and PON_REASON_EOF_NUM(0xCCCCBBBB), are pre-stored at the first
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/Documentation/devicetree/bindings/mmc/
Dti-omap-hsmmc.txt10 --------------------
11 - compatible:
12 Should be "ti,omap2-hsmmc", for OMAP2 controllers
13 Should be "ti,omap3-hsmmc", for OMAP3 controllers
14 Should be "ti,omap3-pre-es3-hsmmc" for OMAP3 controllers pre ES3.0
15 Should be "ti,omap4-hsmmc", for OMAP4 controllers
16 Should be "ti,am33xx-hsmmc", for AM335x controllers
17 Should be "ti,k2g-hsmmc", "ti,omap4-hsmmc" for 66AK2G controllers.
20 ---------------------------------
22 - ti,hwmods: Must be "mmc<n>", n is controller instance starting 1.
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/Documentation/devicetree/bindings/mfd/
Dgoogle,cros-ec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mfd/google,cros-ec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Benson Leung <bleung@chromium.org>
11 - Guenter Roeck <groeck@chromium.org>
22 - description:
24 const: google,cros-ec-i2c
25 - description:
27 const: google,cros-ec-spi
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/Documentation/devicetree/bindings/iio/adc/
Dqcom,spmi-vadc.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/qcom,spmi-vadc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
15 voltage. The VADC is a 15-bit sigma-delta ADC.
17 voltage. The VADC is a 16-bit sigma-delta ADC.
22 - items:
23 - const: qcom,pms405-adc
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/Documentation/power/
Dpci.rst13 power management refer to Documentation/driver-api/pm/devices.rst and
27 1.1. Native and Platform-Based Power Management
28 -----------------------------------------------
31 devices into states in which they draw less power (low-power states) at the
34 Usually, a device is put into a low-power state when it is underutilized or
36 again, it has to be put back into the "fully functional" state (full-power
41 PCI devices may be put into low-power states in two ways, by using the device
53 to put the device that sent it into the full-power state. However, the PCI Bus
68 Thus in many situations both the native and the platform-based power management
72 --------------------------------
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/Documentation/admin-guide/media/
Dimx.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ------------
15 - Image DMA Controller (IDMAC)
16 - Camera Serial Interface (CSI)
17 - Image Converter (IC)
18 - Sensor Multi-FIFO Controller (SMFC)
19 - Image Rotator (IRT)
20 - Video De-Interlacing or Combining Block (VDIC)
26 re-ordering (for example UYVY to YUYV) within the same colorspace, and
27 packed <--> planar conversion. The IDMAC can also perform a simple
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/Documentation/sound/kernel-api/
Dwriting-an-alsa-driver.rst11 Architecture) <http://www.alsa-project.org/>`__ driver. The document
19 low-level driver implementation details. It only describes the standard
26 -------
56 --------------
60 sub-directories contain different modules and are dependent upon the
74 This directory and its sub-directories are for the ALSA sequencer. This
76 as snd-seq-midi, snd-seq-virmidi, etc. They are compiled only when
85 -----------------
88 to be exported to user-space, or included by several files in different
94 -----------------
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/Documentation/leds/
Dleds-lm3556.rst6 1.5 A Synchronous Boost LED Flash Driver w/ High-Side Current Source
10 - Daniel Jeong
12 Contact:Daniel Jeong(daniel.jeong-at-ti.com, gshark.jeong-at-gmail.com)
15 -----------
78 and 4 patterns are pre-defined in indicator_pattern array.
80 According to N-lank, Pulse time and N Period values, different pattern wiill
84 Please refer datasheet for more detail about N-Blank, Pulse time and N Period.
118 -----
121 according to include/linux/platform_data/leds-lm3556.h, set the i2c board info
/Documentation/sound/soc/
Ddapm.rst11 management frameworks and, as such, can easily co-exist with them.
32 The graph for the STM32MP1-DK1 sound card is shown in picture:
34 .. kernel-figure:: dapm-graph.svg
116 Pre
117 Special PRE widget (exec before all others)
139 (Widgets are defined in include/sound/soc-dapm.h)
142 There are convenience macros defined in soc-dapm.h that can be used to quickly
150 ---------------------
179 -------------------
208 ----------------------
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/Documentation/trace/coresight/
Dcoresight-config.rst1 .. SPDX-License-Identifier: GPL-2.0
14 programming of the CoreSight system with pre-defined configurations that
17 Many CoreSight components can be programmed in complex ways - especially ETMs.
20 be defined and enabled as named configurations.
30 --------
33 is device dependent, and can be defined in terms of absolute register values,
36 The feature is defined using a descriptor. This descriptor is used to load onto
41 accesses in the driver - the resource usage and parameter descriptions
67 system - which is described below.
74 --------------
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/Documentation/userspace-api/netlink/
Dspecs.rst1 .. SPDX-License-Identifier: BSD-3-Clause
17 - the C uAPI header
18 …- documentation of the protocol as a ReST file - see :ref:`Documentation/networking/netlink_spec/i…
19 - policy tables for input attribute validation
20 - operation tables
25 See :doc:`intro-specs` for a practical starting guide.
28 ``((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)``
40 - ``genetlink`` - most streamlined, should be used by all new families
41 - ``genetlink-c`` - superset of ``genetlink`` with extra attributes allowing
45 - ``genetlink-legacy`` - Generic Netlink catch all schema supporting quirks of
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