| /linux-6.12.1/Documentation/ABI/testing/ |
| D | sysfs-bus-rpmsg | 1 What: /sys/bus/rpmsg/devices/.../name
4 Contact: Ohad Ben-Cohen <ohad@wizery.com>
6 Every rpmsg device is a communication channel with a remote
13 What: /sys/bus/rpmsg/devices/.../src
16 Contact: Ohad Ben-Cohen <ohad@wizery.com>
18 Every rpmsg device is a communication channel with a remote
20 and remote ("destination") rpmsg address. When an entity
31 What: /sys/bus/rpmsg/devices/.../dst
34 Contact: Ohad Ben-Cohen <ohad@wizery.com>
36 Every rpmsg device is a communication channel with a remote
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| /linux-6.12.1/Documentation/staging/ |
| D | rpmsg.rst | 2 Remote Processor Messaging (rpmsg) Framework
7 This document describes the rpmsg bus and how to write rpmsg drivers.
14 Modern SoCs typically employ heterogeneous remote processor devices in
17 flavor of real-time OS.
19 OMAP4, for example, has dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP.
20 Typically, the dual cortex-A9 is running Linux in a SMP configuration,
24 Typically AMP remote processors employ dedicated DSP codecs and multimedia
25 hardware accelerators, and therefore are often used to offload CPU-intensive
28 These remote processors could also be used to control latency-sensitive
32 Users of those remote processors can either be userland apps (e.g. multimedia
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| /linux-6.12.1/Documentation/devicetree/bindings/media/i2c/ |
| D | maxim,max9286.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Jacopo Mondi <jacopo+renesas@jmondi.org>
12 - Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
13 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
14 - Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
18 Serial Links (GMSL) and outputs them on a CSI-2 D-PHY port using up to 4 data
24 serializer will output it on a local I2C bus. In the other direction all I2C
25 traffic received over GMSL by the MAX9286 is output on the local I2C bus.
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| D | imi,rdacm2x-gmsl.yaml | 1 # SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
4 ---
5 $id: http://devicetree.org/schemas/media/i2c/imi,rdacm2x-gmsl.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Jacopo Mondi <jacopo+renesas@jmondi.org>
12 - Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
13 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
14 - Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
16 description: -|
17 The IMI D&D RDACM20 and RDACM21 are GMSL-compatible camera designed for
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| /linux-6.12.1/Documentation/devicetree/bindings/bus/ |
| D | fsl,imx8qxp-pixel-link-msi-bus.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale i.MX8qxp Pixel Link Medium Speed Interconnect (MSI) Bus
10 - Liu Ying <victor.liu@nxp.com>
13 i.MX8qxp pixel link MSI bus is used to control settings of PHYs, I/Os
14 sitting together with the PHYs. It is not the same as the MSI bus coming
18 i.MX8qxp pixel link MSI bus is a simple memory-mapped bus. Two input clocks,
20 connected to the bus can be accessed. Also, the bus is part of a power
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| /linux-6.12.1/Documentation/devicetree/bindings/i2c/ |
| D | i2c-atr.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-atr.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
16 with a modified slave address. The address used on the parent bus is
18 slave address of the child bus. Address translation is done by the
22 i2c-alias-pool:
23 $ref: /schemas/types.yaml#/definitions/uint32-array
25 I2C alias pool is a pool of I2C addresses on the main I2C bus that can be
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| D | google,cros-ec-i2c-tunnel.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $id: http://devicetree.org/schemas/i2c/google,cros-ec-i2c-tunnel.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: I2C bus that tunnels through the ChromeOS EC (cros-ec)
11 - Doug Anderson <dianders@chromium.org>
12 - Benson Leung <bleung@chromium.org>
20 The node for this device should be under a cros-ec node like
21 google,cros-ec-spi or google,cros-ec-i2c.
24 - $ref: /schemas/i2c/i2c-controller.yaml#
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| /linux-6.12.1/Documentation/devicetree/bindings/display/ |
| D | mipi-dsi-bus.txt | 4 The MIPI Display Serial Interface specifies a serial bus and a protocol for
6 define the syntax used to represent a DSI bus in a device tree.
8 This document describes DSI bus-specific properties only or defines existing
9 standard properties in the context of the DSI bus.
11 Each DSI host provides a DSI bus. The DSI host controller's node contains a
12 set of properties that characterize the bus. Child nodes describe individual
13 peripherals on that bus.
21 In addition to the standard properties and those defined by the parent bus of
25 - #address-cells: The number of cells required to represent an address on the
26 bus. DSI peripherals are addressed using a 2-bit virtual channel number, so
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| D | allwinner,sun8i-r40-tcon-top.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/allwinner,sun8i-r40-tcon-top.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
22 / [0] TCON-LCD0
25 \ / [1] TCON-LCD1 - LCD1/LVDS1
26 TCON-TOP
27 / \ [2] TCON-TV0 [0] - TVE0/RGB
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| /linux-6.12.1/include/media/ |
| D | v4l2-fwnode.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
8 * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
22 #include <media/v4l2-mediabus.h>
25 * struct v4l2_fwnode_endpoint - the endpoint data structure
27 * @bus_type: bus type
28 * @bus: bus configuration data structure
29 * @bus.parallel: embedded &struct v4l2_mbus_config_parallel.
30 * Used if the bus is parallel.
31 * @bus.mipi_csi1: embedded &struct v4l2_mbus_config_mipi_csi1.
32 * Used if the bus is MIPI Alliance's Camera Serial
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| /linux-6.12.1/Documentation/devicetree/bindings/media/ |
| D | ti,da850-vpif.txt | 2 ----------------------
12 - compatible: must be "ti,da850-vpif"
13 - reg: physical base address and length of the registers set for the device;
14 - interrupts: should contain IRQ line for the VPIF
18 VPIF has a 16-bit parallel bus input, supporting 2 8-bit channels or a
19 single 16-bit channel. It should contain one or two port child nodes
23 Documentation/devicetree/bindings/media/video-interfaces.txt.
25 Example using 2 8-bit input channels, one of which is connected to an
26 I2C-connected TVP5147 decoder:
29 compatible = "ti,da850-vpif";
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| D | microchip,csi2dc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Eugen Hristev <eugen.hristev@microchip.com>
13 CSI2DC - Camera Serial Interface 2 Demux Controller
16 IDI interface or from a parallel bus interface.
30 32-bit IDI interface or a parallel interface.
44 const: microchip,sama7g5-csi2dc
53 clock-names:
63 - const: pclk
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| D | atmel-isi.txt | 2 ----------------------------------
5 - compatible: must be "atmel,at91sam9g45-isi" or "microchip,sam9x60-isi".
6 - reg: physical base address and length of the registers set for the device.
7 - interrupts: should contain IRQ line for the ISI.
8 - clocks: list of clock specifiers, corresponding to entries in the clock-names
9 property; please refer to clock-bindings.txt.
10 - clock-names: required elements: "isi_clk".
11 - pinctrl-names, pinctrl-0: please refer to pinctrl-bindings.txt.
13 ISI supports a single port node with parallel bus. It shall contain one
15 defined in Documentation/devicetree/bindings/media/video-interfaces.txt.
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| D | microchip,xisc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Eugen Hristev <eugen.hristev@microchip.com>
18 The source can be either a demuxer from a CSI2 type of bus, or a simple direct bridge to a
25 const: microchip,sama7g5-isc
36 clock-names:
38 - const: hclock
40 '#clock-cells':
43 clock-output-names:
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| /linux-6.12.1/arch/arm/boot/dts/hisilicon/ |
| D | hip04.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2013-2014 HiSilicon Ltd.
6 * Copyright (C) 2013-2014 Linaro Ltd.
12 /* memory bus is 64-bit */
13 #address-cells = <2>;
14 #size-cells = <2>;
21 compatible = "hisilicon,hip04-bootwrapper";
22 boot-method = <0x10c00000 0x10000>, <0xe0000100 0x1000>;
26 #address-cells = <1>;
27 #size-cells = <0>;
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| /linux-6.12.1/arch/arm64/boot/dts/nvidia/ |
| D | tegra194-p2972-0000.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/linux-event-codes.h>
5 #include <dt-bindings/input/gpio-keys.h>
7 #include "tegra194-p2888.dtsi"
11 compatible = "nvidia,p2972-0000", "nvidia,tegra194";
13 bus@0 {
24 #address-cells = <1>;
25 #size-cells = <0>;
31 remote-endpoint = <&xbar_i2s1_ep>;
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| D | tegra234-p3737-0000+p3701-0000.dts | 1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/linux-event-codes.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/sound/rt5640.h>
8 #include "tegra234-p3701-0000.dtsi"
12 compatible = "nvidia,p3737-0000+p3701-0000", "nvidia,p3701-0000", "nvidia,tegra234";
21 stdout-path = "serial0:115200n8";
24 bus@0 {
31 dai-format = "i2s";
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| /linux-6.12.1/drivers/gpu/drm/ |
| D | drm_of.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 #include <linux/media-bus-format.h>
25 * drm_of_crtc_port_mask - find the mask of a registered CRTC by port OF node
39 if (tmp->port == port) in drm_of_crtc_port_mask()
50 * drm_of_find_possible_crtcs - find the possible CRTCs for an encoder port
83 * drm_of_component_match_add - Add a component helper OF node match rule
101 * drm_of_component_probe - Generic probe function for a component based master
117 struct device_node *ep, *port, *remote; in drm_of_component_probe() local
121 if (!dev->of_node) in drm_of_component_probe()
122 return -EINVAL; in drm_of_component_probe()
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| /linux-6.12.1/drivers/rpmsg/ |
| D | rpmsg_core.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * remote processor messaging bus
8 * Ohad Ben-Cohen <ohad@wizery.com>
29 * rpmsg_create_channel() - create a new rpmsg channel
41 if (!rpdev->ops || !rpdev->ops->create_channel) { in rpmsg_create_channel()
42 dev_err(&rpdev->dev, "no create_channel ops found\n"); in rpmsg_create_channel()
46 return rpdev->ops->create_channel(rpdev, chinfo); in rpmsg_create_channel()
51 * rpmsg_release_channel() - release a rpmsg channel
62 return -EINVAL; in rpmsg_release_channel()
63 if (!rpdev->ops || !rpdev->ops->release_channel) { in rpmsg_release_channel()
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| /linux-6.12.1/arch/arm/boot/dts/renesas/ |
| D | r8a7790-lager.dts | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2013-2014 Renesas Solutions Corp.
7 * Copyright (C) 2015-2016 Renesas Electronics Corporation
11 * SSI-AK4643
38 /dts-v1/;
40 #include <dt-bindings/gpio/gpio.h>
41 #include <dt-bindings/input/input.h>
63 stdout-path = "serial0:115200n8";
77 compatible = "gpio-keys";
79 pinctrl-0 = <&keyboard_pins>;
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| /linux-6.12.1/arch/arm/boot/dts/nxp/imx/ |
| D | imx6q-gw54xx.dts | 1 // SPDX-License-Identifier: GPL-2.0-or-later
6 /dts-v1/;
8 #include "imx6qdl-gw54xx.dtsi"
9 #include <dt-bindings/media/tda1997x.h>
13 compatible = "gw,imx6q-gw54xx", "gw,ventana", "fsl,imx6q";
15 sound-digital {
16 compatible = "simple-audio-card";
17 simple-audio-card,name = "tda1997x-audio";
18 simple-audio-card,format = "i2s";
19 simple-audio-card,bitclock-master = <&sound_codec>;
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| D | imx6q.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
5 #include <dt-bindings/interrupt-controller/irq.h>
6 #include "imx6q-pinfunc.h"
16 #address-cells = <1>;
17 #size-cells = <0>;
20 compatible = "arm,cortex-a9";
23 next-level-cache = <&L2>;
24 operating-points = <
32 fsl,soc-operating-points = <
33 /* ARM kHz SOC-PU uV */
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| /linux-6.12.1/arch/arm/boot/dts/nvidia/ |
| D | tegra30-asus-lvds-display.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
5 #include <dt-bindings/gpio/tegra-gpio.h>
15 remote-endpoint = <&bridge_input>;
16 bus-width = <24>;
23 display-panel {
24 power-supply = <&vdd_pnl>;
25 ddc-i2c-bus = <&lcd_ddc>;
30 remote-endpoint = <&bridge_output>;
36 lvds-encoder {
37 compatible = "ti,sn75lvds83", "lvds-encoder";
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| /linux-6.12.1/arch/arm64/boot/dts/renesas/ |
| D | white-hawk-csi-dsi.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 * Device Tree Source for the White Hawk CSI/DSI sub-board
8 #include <dt-bindings/media/video-interfaces.h>
14 #address-cells = <1>;
15 #size-cells = <0>;
21 bus-type = <MEDIA_BUS_TYPE_CSI2_CPHY>;
22 clock-lanes = <0>;
23 data-lanes = <1 2 3>;
24 remote-endpoint = <&max96712_out0>;
34 #address-cells = <1>;
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| /linux-6.12.1/Documentation/devicetree/bindings/arm/ |
| D | arm,coresight-static-funnel.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/arm/arm,coresight-static-funnel.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Arm CoreSight Static Trace Bus Funnel
10 - Mathieu Poirier <mathieu.poirier@linaro.org>
11 - Mike Leach <mike.leach@linaro.org>
12 - Leo Yan <leo.yan@linaro.org>
13 - Suzuki K Poulose <suzuki.poulose@arm.com>
23 The Coresight static funnel merges 2-8 trace sources into a single trace
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