Home
last modified time | relevance | path

Searched +full:i2c +full:- +full:mux (Results 1 – 25 of 385) sorted by relevance

12345678910>>...16

/freebsd/sys/contrib/device-tree/Bindings/i2c/
H A Di2c-mux-gpmux.txt1 General Purpose I2C Bus Mux
3 This binding describes an I2C bus multiplexer that uses a mux controller
4 from the mux subsystem to route the I2C signals.
6 .-----. .-----.
8 .------------. '-----' '-----'
10 | | .--------+--------'
11 | .------. | .------+ child bus A, on MUX value set to 0
12 | | I2C |-|--| Mux |
13 | '------' | '--+---+ child bus B, on MUX value set to 1
14 | .------. | | '----------+--------+--------.
[all …]
H A Di2c-mux-gpmux.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mux-gpmux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: General Purpose I2C Bus Mux
10 - Peter Rosin <peda@axentia.se>
13 This binding describes an I2C bus multiplexer that uses a mux controller
14 from the mux subsystem to route the I2C signals.
16 .-----. .-----.
18 .------------. '-----' '-----'
[all …]
H A Di2c-mux-pca954x.txt1 * NXP PCA954x I2C bus switch
3 The driver supports NXP PCA954x and PCA984x I2C mux/switch devices.
7 - compatible: Must contain one of the following.
18 - reg: The I2C address of the device.
22 - Standard I2C mux properties. See i2c-mux.txt in this directory.
23 - I2C child bus nodes. See i2c-mux.txt in this directory.
27 - reset-gpios: Reference to the GPIO connected to the reset input.
28 - idle-state: if present, overrides i2c-mux-idle-disconnect,
29 Please refer to Documentation/devicetree/bindings/mux/mux-controller.txt
30 - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all
[all …]
H A Di2c-mux-reg.txt1 Register-based I2C Bus Mux
3 This binding describes an I2C bus multiplexer that uses a single register
4 to route the I2C signals.
7 - compatible: i2c-mux-reg
8 - i2c-parent: The phandle of the I2C bus that this multiplexer's master-side
10 * Standard I2C mux properties. See i2c-mux.yaml in this directory.
11 * I2C child bus nodes. See i2c-mux.yaml in this directory.
14 - reg: this pair of <offset size> specifies the register to control the mux.
15 The <offset size> depends on its parent node. It can be any memory-mapped
18 - little-endian: The existence indicates the register is in little endian.
[all …]
H A Di2c-mux-gpio.txt1 GPIO-based I2C Bus Mux
3 This binding describes an I2C bus multiplexer that uses GPIOs to
4 route the I2C signals.
6 +-----+ +-----+
8 +------------+ +-----+ +-----+
10 | | /--------+--------+
11 | +------+ | +------+ child bus A, on GPIO value set to 0
12 | | I2C |-|--| Mux |
13 | +------+ | +--+---+ child bus B, on GPIO value set to 1
14 | | | \----------+--------+--------+
[all …]
H A Di2c-mux.txt1 Common i2c bus multiplexer/switch properties.
3 An i2c bus multiplexer/switch will have several child busses that are
4 numbered uniquely in a device dependent manner. The nodes for an i2c bus
8 - #address-cells = <1>;
9 This property is required if the i2c-mux child node does not exist.
11 - #size-cells = <0>;
12 This property is required if the i2c-mux child node does not exist.
14 - i2c-mux
15 For i2c multiplexers/switches that have child nodes that are a mixture
16 of both i2c child busses and other child nodes, the 'i2c-mux' subnode
[all …]
H A Di2c-mux-gpio.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mux-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based I2C Bus Mux
10 - Wolfram Sang <wsa@kernel.org>
13 This binding describes an I2C bus multiplexer that uses GPIOs to route the I2C signals.
15 +-----+ +-----+
17 +------------+ +-----+ +-----+
19 | | /--------+--------+
[all …]
H A Di2c-mux.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Common i2c bus multiplexer/switch properties.
10 - Peter Rosin <peda@axentia.se>
13 An i2c bus multiplexer/switch will have several child busses that are numbered
14 uniquely in a device dependent manner. The nodes for an i2c bus
17 For i2c multiplexers/switches that have child nodes that are a mixture of both
18 i2c child busses and other child nodes, the 'i2c-mux' subnode can be used for
[all …]
H A Di2c-mux-pinctrl.txt1 Pinctrl-based I2C Bus Mux
3 This binding describes an I2C bus multiplexer that uses pin multiplexing to
4 route the I2C signals, and represents the pin multiplexing configuration
7 +-----+ +-----+
9 +------------------------+ +-----+ +-----+
11 | /----|------+--------+
12 | +---+ +------+ | child bus A, on first set of pins
13 | |I2C|---|Pinmux| |
14 | +---+ +------+ | child bus B, on second set of pins
15 | \----|------+--------+--------+
[all …]
H A Di2c-mux-pca954x.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-mux-pca954x.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP PCA954x I2C and compatible bus switches
10 - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
13 The NXP PCA954x and compatible devices are I2C bus
23 - enum:
24 - maxim,max7356
25 - maxim,max7357
[all …]
H A Di2c-mux-ltc4306.txt1 * Linear Technology / Analog Devices I2C bus switch
5 - compatible: Must contain one of the following.
7 - reg: The I2C address of the device.
11 - Standard I2C mux properties. See i2c-mux.yaml in this directory.
12 - I2C child bus nodes. See i2c-mux.yaml in this directory.
16 - enable-gpios: Reference to the GPIO connected to the enable input.
17 - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all
19 multiplexers on the bus and the devices behind them use same I2C addresses.
20 - gpio-controller: Marks the device node as a GPIO Controller.
21 - #gpio-cells: Should be two. The first cell is the pin number and
[all …]
H A Dtsd,mule-i2c-mux.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/tsd,mule-i2c-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Theobroma Systems Mule I2C multiplexer
10 - Farouk Bouabid <farouk.bouabid@cherry.de>
11 - Quentin Schulz <quentin.schulz@cherry.de>
14 Theobroma Systems Mule is an MCU that emulates a set of I2C devices, among
15 which devices that are reachable through an I2C-mux. The devices on the mux
16 can be selected by writing the appropriate device number to an I2C config
[all …]
/freebsd/share/man/man4/
H A Diicmux.41 .\"-
2 .\" SPDX-License-Identifier: BSD-2-Clause
32 .Nd I2C bus mulitiplexer framework
37 .Bd -ragged -offset indent
44 .Bd -literal -offset indent
50 the driver for the specific mux hardware in use.
55 I2C bus multiplexer (mux) hardware.
59 used by individual mux hardware drivers.
60 It will be loaded automatically when needed by a mux hardware driver.
61 This manual page provides an overview of the I2C mux framework and its
[all …]
/freebsd/sys/contrib/device-tree/src/arm/aspeed/
H A Daspeed-bmc-ampere-mtmitchell.dts1 // SPDX-License-Identifier: GPL-2.0-only
4 /dts-v1/;
6 #include "aspeed-g6.dtsi"
7 #include <dt-bindings/i2c/i2c.h>
8 #include <dt-bindings/gpio/aspeed-gpio.h>
12 compatible = "ampere,mtmitchell-bmc", "aspeed,ast2600";
19 * I2C temperature alias port
27 * i2c bus 30-31 assigned to OCP slot 0-1
33 * i2c bus 32-33 assigned to Riser slot 0-1
39 * i2c bus 38-39 assigned to FRU on Riser slot 0-1
[all …]
H A Daspeed-bmc-ampere-mtjade.dts1 // SPDX-License-Identifier: GPL-2.0+
2 /dts-v1/;
3 #include "aspeed-g5.dtsi"
4 #include <dt-bindings/gpio/aspeed-gpio.h>
8 compatible = "ampere,mtjade-bmc", "aspeed,ast2500";
12 * i2c bus 50-57 assigned to NVMe slot 0-7
24 * i2c bus 60-67 assigned to NVMe slot 8-15
36 * i2c bus 70-77 assigned to NVMe slot 16-23
48 * i2c bus 80-81 assigned to NVMe M2 slot 0-1
54 * i2c bus 82 assigned to OCP slot
[all …]
H A Daspeed-bmc-facebook-cmm.dts1 // SPDX-License-Identifier: GPL-2.0+
3 /dts-v1/;
5 #include "ast2500-facebook-netbmc-common.dtsi"
9 compatible = "facebook,cmm-bmc", "aspeed,ast2500";
22 * PCA9548 (1-0077) provides 8 channels for connecting to
35 * PCA9548 (2-007
[all...]
/freebsd/sys/contrib/device-tree/src/arm/microchip/
H A Dat91-natte.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * at91-natte.dts - Device Tree include file for the Natte board
11 mux: mux-controller { label
12 compatible = "gpio-mux";
13 #mux-control-cells = <0>;
15 mux-gpios = <&ioexp 0 GPIO_ACTIVE_HIGH>,
20 batntc-mux {
21 compatible = "io-channel-mux";
22 io-channels = <&adc 5>;
23 io-channel-names = "parent";
[all …]
H A Dlan966x-pcb8309.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * lan966x_pcb8309.dts - Device Tree file for PCB8309
5 /dts-v1/;
7 #include "dt-bindings/phy/phy-lan966x-serdes.h"
10 model = "Microchip EVB - LAN9662";
11 compatible = "microchip,lan9662-pcb8309", "microchip,lan9662", "microchip,lan966";
20 stdout-path = "serial0:115200n8";
23 gpio-restart {
24 compatible = "gpio-restart";
29 i2c-mux {
[all …]
/freebsd/sys/contrib/device-tree/Bindings/mux/
H A Dgpio-mux.txt1 GPIO-based multiplexer controller bindings
7 - compatible : "gpio-mux"
8 - mux-gpios : list of gpios used to control the multiplexer, least
10 - #mux-control-cells : <0>
11 * Standard mux-controller bindings as decribed in mux-controller.txt
14 - idle-state : if present, the state the mux will have when idle. The
23 mux: mux-controller {
24 compatible = "gpio-mux";
25 #mux-control-cells = <0>;
27 mux-gpios = <&pioA 0 GPIO_ACTIVE_HIGH>,
[all …]
H A Dmux-controller.txt4 A multiplexer (or mux) controller will have one, or several, consumer devices
5 that uses the mux controller. Thus, a mux controller can possibly control
7 multiplexer needed by each consumer, but a single mux controller can of course
10 A mux controller provides a number of states to its consumers, and the state
11 space is a simple zero-based enumeration. I.e. 0-1 for a 2-way multiplexer,
12 0-7 for an 8-way multiplexer, etc.
16 ---------
18 Mux controller consumers should specify a list of mux controllers that they
19 want to use with a property containing a 'mux-ctrl-list':
21 mux-ctrl-list ::= <single-mux-ctrl> [mux-ctrl-list]
[all …]
H A Dgpio-mux.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/gpio-mux.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: GPIO-based multiplexer controller
10 - Peter Rosin <peda@axentia.se>
22 const: gpio-mux
24 mux-gpios:
28 '#mux-control-cells':
31 '#mux-state-cells':
[all …]
H A Dmux-controller.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mux/mux-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Peter Rosin <peda@axentia.se>
13 A multiplexer (or mux) controller will have one, or several, consumer devices
14 that uses the mux controller. Thus, a mux controller can possibly control
16 multiplexer needed by each consumer, but a single mux controller can of course
19 A mux controller provides a number of states to its consumers, and the state
20 space is a simple zero-based enumeration. I.e. 0-1 for a 2-way multiplexer,
[all …]
/freebsd/sys/contrib/device-tree/Bindings/
H A Dunittest.txt6 - compatible: must be "unittest"
15 2) OF unittest i2c adapter platform device
20 - compatible: must be unittest-i2c-bus
22 Children nodes contain unittest i2c devices.
25 unittest-i2c-bus {
26 compatible = "unittest-i2c-bus";
29 3) OF unittest i2c device
31 ** I2C unittest device
34 - compatible: must be unittest-i2c-dev
39 unittest-i2c-dev {
[all …]
/freebsd/sys/contrib/device-tree/Bindings/board/
H A Dfsl,fpga-qixis-i2c.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/board/fsl,fpga-qixis-i2c.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale on-board FPGA connected on I2C bus
10 - Frank Li <Frank.Li@nxp.com>
15 - items:
16 - enum:
17 - fsl,bsc9132qds-fpga
18 - const: fsl,fpga-qixis-i2c
[all …]
/freebsd/sys/contrib/device-tree/src/mips/mscc/
H A Djaguar2_pcb110.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
11 model = "Jaguar2 Cu8-Sfp16 PCB110 Reference Board";
12 compatible = "mscc,jr2-pcb110", "mscc,jr2";
45 i2c0_imux: i2c0-imux {
46 compatible = "i2c-mux-pinctrl";
47 #address-cells = <1>;
48 #size-cells = <0>;
49 i2c-parent = <&i2c0>;
[all …]

12345678910>>...16