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/linux/Documentation/devicetree/bindings/mfd/
H A Datmel-matrix.txt1 * Device tree bindings for Atmel Bus Matrix
3 The Bus Matrix registers are used to configure Atmel SoCs internal bus
4 behavior (master/slave priorities, undefined burst length type, ...)
7 - compatible: Should be one of the following
8 "atmel,at91sam9260-matrix", "syscon"
9 "atmel,at91sam9261-matrix", "syscon"
10 "atmel,at91sam9263-matrix", "syscon"
11 "atmel,at91sam9rl-matrix", "syscon"
12 "atmel,at91sam9g45-matrix", "syscon"
13 "atmel,at91sam9n12-matrix", "syscon"
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/linux/Documentation/arch/s390/
H A Dvfio-ap.rst13 The AP adapter cards are exposed via the AP bus. The motivation for vfio-ap
30 the maximum adapter number is determined by machine model and/or adapter type.
45 sub-directory::
53 depending upon the adapter type and hardware configuration. A domain is
55 determined by machine model and/or adapter type.. A domain can be thought of
76 significant bit, correspond to domains 0-255.
111 * NQAP: to enqueue an AP command-request message to a queue
112 * DQAP: to dequeue an AP command-reply message from a queue
132 an APID from 0-255. If a bit is set, the corresponding adapter is valid for
137 corresponds to an AP queue index (APQI) from 0-255. If a bit is set, the
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/linux/drivers/gpu/drm/amd/display/amdgpu_dm/
H A Damdgpu_dm_color.c38 * - Input gamma LUT (de-normalized)
39 * - Input CSC (normalized)
40 * - Surface degamma LUT (normalized)
41 * - Surface CSC (normalized)
42 * - Surface regamma LUT (normalized)
43 * - Output CSC (normalized)
49 * Plane CTM -> Plane degamma -> Plane CTM -> Plane regamma -> Plane CTM
59 * support any CRTC props with correct blending with multiple planes - but we
70 * Plane DGM Bypass -> Plane CTM Bypass -> Plane RGM Bypass -> ...
71 * CRTC DGM Bypass -> CRTC CTM Bypass -> CRTC RGM Bypass
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/linux/drivers/of/
H A Dof_numa.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2015 - 2016 Cavium Inc.
28 r = of_property_read_u32(np, "numa-node-id", &nid); in of_numa_parse_cpu_nodes()
45 int i, r = -EINVAL; in of_numa_parse_memory_nodes()
48 r = of_property_read_u32(np, "numa-node-id", &nid); in of_numa_parse_memory_nodes()
49 if (r == -EINVAL) in of_numa_parse_memory_nodes()
51 * property doesn't exist if -EINVAL, continue in of_numa_parse_memory_nodes()
53 * "numa-node-id" property in of_numa_parse_memory_nodes()
59 r = -EINVAL; in of_numa_parse_memory_nodes()
68 return r ? : -EINVAL; in of_numa_parse_memory_nodes()
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/linux/drivers/media/platform/amphion/
H A Dvpu_helpers.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright 2020-2021 NXP
15 bool vpu_helper_check_type(struct vpu_inst *inst, u32 type);
16 const struct vpu_format *vpu_helper_find_format(struct vpu_inst *inst, u32 type, u32 pixelfmt);
17 const struct vpu_format *vpu_helper_find_sibling(struct vpu_inst *inst, u32 type, u32 pixelfmt);
18 bool vpu_helper_match_format(struct vpu_inst *inst, u32 type, u32 fmta, u32 fmtb);
19 const struct vpu_format *vpu_helper_enum_format(struct vpu_inst *inst, u32 type, int index);
44 if (pos > stream_buffer->phys + stream_buffer->length) in vpu_helper_step_walk()
45 pos -= stream_buffer->length; in vpu_helper_step_walk()
52 u8 *pdata = (u8 *)stream_buffer->virt; in vpu_helper_read_byte()
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/linux/Documentation/devicetree/bindings/iio/
H A Dmount-matrix.txt2 * is the definition of +/- values practical or counterintuitive?
5 * should we have HOWTO engineer a correct matrix for a new device (without comparing to a different…
10 Mounting matrix
12 The mounting matrix is a device tree property used to orient any device
13 that produce three-dimensional data in relation to the world where it is
16 The purpose of the mounting matrix is to translate the sensor frame of
17 reference into the device frame of reference using a translation matrix as
37 reference. This means that the sensor may be flipped upside-down, left-right,
43 to this world. When using the mounting matrix, the sensor and device orientation
47 Device-to-world examples for some three-dimensional sensor types:
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/linux/Documentation/RCU/Design/Memory-Ordering/
H A DTreeRCU-dyntick.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
2 <!-- Creator: fig2dev Version 3.2 Patchlevel 5e -->
4 <!-- CreationDate: Wed Dec 9 17:35:03 2015 -->
6 <!-- Magnification: 2.000 -->
11 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
14 xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
18 viewBox="-44 -44 8917.9652 7405.8166"
22 sodipodi:docname="TreeRCU-dyntick.svg">
29 <dc:type
46 d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
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H A DTreeRCU-hotplug.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
2 <!-- Creator: fig2dev Version 3.2 Patchlevel 5e -->
4 <!-- CreationDate: Wed Dec 9 17:35:03 2015 -->
6 <!-- Magnification: 2.000 -->
11 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
14 xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
18 viewBox="-44 -44 8154.7829 9398.3736"
22 sodipodi:docname="TreeRCU-hotplug.svg">
29 <dc:type
46 d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
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H A DTreeRCU-gp-fqs.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
2 <!-- Creator: fig2dev Version 3.2 Patchlevel 5e -->
4 <!-- CreationDate: Wed Dec 9 17:35:03 2015 -->
6 <!-- Magnification: 2.000 -->
11 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
14 xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
18 viewBox="-44 -44 21630.534 11207.028"
22 sodipodi:docname="TreeRCU-gp-fqs.svg">
29 <dc:type
46 d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
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H A DTreeRCU-qs.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
2 <!-- Creator: fig2dev Version 3.2 Patchlevel 5e -->
4 <!-- CreationDate: Wed Dec 9 17:35:03 2015 -->
6 <!-- Magnification: 2.000 -->
11 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
14 xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
18 viewBox="-44 -44 13802.927 18253.333"
22 sodipodi:docname="TreeRCU-qs.svg">
29 <dc:type
46 d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
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/linux/drivers/input/keyboard/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
24 board-specific setup logic must also provide a configuration data
34 This option enables support for the keypad scan matrix
38 be called adp5520-keys.
51 module will be called adp5588-keys.
61 module will be called adp5589-keys.
112 you'll need this, unless you have a different type keyboard (USB, ADB
126 Say Y here if you have a PA-RISC machine and want to use an AT or
128 PA-RISC keyboards.
138 built-in keyboard (as opposed to an external keyboard).
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H A Dcros_ec_keyb.c1 // SPDX-License-Identifier: GPL-2.0
6 // This driver uses the ChromeOS EC byte-level message-based protocol for
19 #include <linux/input/vivaldi-fmap.h>
33 * struct cros_ec_keyb - Structure representing EC keyboard device
38 * @ghost_filter: true to enable the matrix key-ghosting filter
39 * @valid_keys: bitmap of existing keys for each matrix column
43 * @idev: The input device for the matrix keys.
44 * @bs_idev: The input device for non-matrix buttons and switches (or NULL).
67 * struct cros_ec_bs_map - Mapping between Linux keycodes and EC button/switch
70 * @ev_type: The type of the input event to generate (e.g., EV_KEY).
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/linux/Documentation/devicetree/bindings/input/
H A Dqcom,pm8921-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/qcom,pm8921-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
13 - $ref: input.yaml#
14 - $ref: matrix-keymap.yaml#
19 - qcom,pm8058-keypad
20 - qcom,pm8921-keypad
27 - description: key sense
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H A Dgoogle,cros-ec-keyb.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $id: http://devicetree.org/schemas/input/google,cros-ec-keyb.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Simon Glass <sjg@chromium.org>
12 - Benson Leung <bleung@chromium.org>
15 Google's ChromeOS EC Keyboard is a simple matrix keyboard
24 - description: ChromeOS EC with only buttons/switches
25 const: google,cros-ec-keyb-switches
26 - description: ChromeOS EC with keyboard and possibly buttons/switches
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H A Dmediatek,mt6779-keypad.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/mediatek,mt6779-keypad.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mattijs Korpershoek <mkorpershoek@baylibre.com>
13 - $ref: /schemas/input/matrix-keymap.yaml#
16 Mediatek's Keypad controller is used to interface a SoC with a matrix-type
19 The keypad controller can sense a key-press and key-release and report the
25 - const: mediatek,mt6779-keypad
26 - items:
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H A Domap-keypad.txt3 TI's Keypad controller is used to interface a SoC with a matrix-type
6 The keypad controller can sense a key-press and key-release and report the
9 This binding is based on the matrix-keymap binding with the following
12 keypad,num-rows and keypad,num-columns are required.
15 - compatible: should be one of the following
16 - "ti,omap4-keypad": For controllers compatible with omap4 keypad
20 - linux,keypad-no-autorepeat: do no enable autorepeat feature.
24 compatible = "ti,omap4-keypad";
25 keypad,num-rows = <2>;
26 keypad,num-columns = <8>;
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H A Dtwl4030-keypad.txt3 TWL4030's Keypad controller is used to interface a SoC with a matrix-type
6 The keypad controller can sense a key-press and key-release and report the
9 This binding is based on the matrix-keymap binding with the following
12 * keypad,num-rows and keypad,num-columns are required.
15 - compatible: should be one of the following
16 - "ti,twl4030-keypad": For controllers compatible with twl4030 keypad
18 - interrupt: should be one of the following
19 - <1>: For controllers compatible with twl4030 keypad controller.
23 compatible = "ti,twl4030-keypad";
25 keypad,num-rows = <8>;
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/linux/Documentation/devicetree/bindings/auxdisplay/
H A Dholtek,ht16k33.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Robin van der Gracht <robin@protonic.nl>
13 - $ref: /schemas/input/matrix-keymap.yaml#
18 - items:
19 - enum:
20 - adafruit,3108 # 0.56" 4-Digit 7-Segment FeatherWing Display (Red)
21 - adafruit,3130 # 0.54" Quad Alphanumeric FeatherWing Display (Red)
22 - const: holtek,ht16k33
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/linux/drivers/platform/x86/x86-android-tablets/
H A Dother.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Copyright (C) 2021-2023 Hans de Goede <hdegoede@redhat.com>
19 #include <dt-bindings/leds/common.h>
21 #include "shared-psy-info.h"
22 #include "x86-android-tablets.h"
24 /* Acer Iconia One 7 B1-750 has an Android factory image with everything hardcoded */
26 "-1", "0", "0",
32 PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", acer_b1_750_mount_matrix),
42 /* Novatek NVT-ts touchscreen */
44 .type = "nt11205-ts",
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/linux/drivers/gpu/drm/msm/disp/mdp5/
H A Dmdp5_plane.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014-2015 The Linux Foundation. All rights reserved.
29 struct msm_drm_private *priv = plane->dev->dev_private; in get_kms()
30 return to_mdp5_kms(to_mdp_kms(priv->kms)); in get_kms()
35 return state->visible; in plane_enabled()
56 if (plane->type == DRM_PLANE_TYPE_PRIMARY) in mdp5_plane_install_properties()
68 struct mdp5_kms *mdp5_kms = get_kms(state->plane); in mdp5_plane_atomic_print_state()
70 drm_printf(p, "\thwpipe=%s\n", pstate->hwpipe ? in mdp5_plane_atomic_print_state()
71 pstate->hwpipe->name : "(null)"); in mdp5_plane_atomic_print_state()
72 if (mdp5_kms->caps & MDP_CAP_SRC_SPLIT) in mdp5_plane_atomic_print_state()
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/linux/Documentation/devicetree/bindings/perf/
H A Driscv,pmu.yaml1 # SPDX-License-Identifier: BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V SBI PMU events
10 - Atish Patra <atishp@rivosinc.com>
31 https://github.com/riscv-non-isa/riscv-sbi-doc/blob/master/riscv-sbi.adoc
37 riscv,event-to-mhpmevent:
38 $ref: /schemas/types.yaml#/definitions/uint32-matrix
40 Represents an ONE-to-ONE mapping between a PMU event and the event
43 The mapping is encoded in an matrix format where each element represents
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/linux/sound/usb/
H A Dmixer_scarlett.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 * Auto-detection via UAC2 is not feasible to properly discover the vast
38 * - change Impedance of inputs (Line-in, Mic / Instrument, Hi-Z)
39 * - select clock source
40 * - dynamic input to mixer-matrix assignment
41 * - 18 x 6 mixer-matrix gain stages
42 * - bus routing & volume control
43 * - automatic re-initialization on connect if device was power-cycled
49 * pad (-10dB) switch, wValue=0x0b01 + channel, data=Off/On (2bytes)
54 * 0x29 Set Sample-rate, wValue=0x0100, data=sample-rate(4bytes)
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/linux/Documentation/devicetree/bindings/pinctrl/
H A Dawinic,aw9523-pinctrl.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/awinic,aw9523-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
13 The Awinic AW9523/AW9523B I2C GPIO Expander featuring 16 multi-function
18 const: awinic,aw9523-pinctrl
23 '#gpio-cells':
26 include/dt-bindings/gpio/gpio.h
29 gpio-controller: true
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/linux/Documentation/devicetree/bindings/iio/imu/
H A Dst,lsm6dsx.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: STM 6-axis (acc + gyro) IMU Mems sensors
10 - Lorenzo Bianconi <lorenzo@kernel.org>
18 - enum:
19 - st,lsm6ds3
20 - st,lsm6ds3h
21 - st,lsm6dsl
22 - st,lsm6dsm
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/linux/Documentation/userspace-api/media/v4l/
H A Dconstraints.svg1 <?xml version="1.0" encoding="UTF-8"?>
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