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/kernel/linux/linux-6.6/arch/arm/boot/dts/nuvoton/
Dnuvoton-wpcm450.dtsi1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
4 #include <dt-bindings/interrupt-controller/irq.h>
8 #address-cells = <1>;
9 #size-cells = <1>;
23 #address-cells = <1>;
24 #size-cells = <0>;
27 compatible = "arm,arm926ej-s";
33 clk24m: clock-24mhz {
35 compatible = "fixed-clock";
36 clock-frequency = <24000000>;
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/mux/
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 …]
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>
13 Define what GPIO pins are used to control a multiplexer. Or several
17 multiplexer GPIO pins, where the first pin is the least significant
22 const: gpio-mux
24 mux-gpios:
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/i2c/
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 …]
Di2c-mux-ltc4306.txt5 - 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
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
23 See ../gpio/gpio.txt for more information.
24 - ltc,downstream-accelerators-enable: Enables the rise time accelerators
[all …]
/kernel/linux/linux-5.10/Documentation/i2c/muxes/
Di2c-mux-gpio.rst2 Kernel driver i2c-mux-gpio
8 -----------
10 i2c-mux-gpio is an i2c mux driver providing access to I2C bus segments
11 from a master I2C bus and a hardware MUX controlled through GPIO pins.
15 ---------- ---------- Bus segment 1 - - - - -
16 | | SCL/SDA | |-------------- | |
17 | |------------| |
19 | Linux | GPIO 1..N | MUX |--------------- Devices
20 | |------------| | | |
22 | | | |---------------| |
[all …]
/kernel/linux/linux-6.6/Documentation/i2c/muxes/
Di2c-mux-gpio.rst2 Kernel driver i2c-mux-gpio
8 -----------
10 i2c-mux-gpio is an i2c mux driver providing access to I2C bus segments
11 from a master I2C bus and a hardware MUX controlled through GPIO pins.
15 ---------- ---------- Bus segment 1 - - - - -
16 | | SCL/SDA | |-------------- | |
17 | |------------| |
19 | Linux | GPIO 1..N | MUX |--------------- Devices
20 | |------------| | | |
22 | | | |---------------| |
[all …]
/kernel/linux/linux-5.10/drivers/i2c/muxes/
Di2c-mux-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * I2C multiplexer using GPIO API
9 #include <linux/i2c-mux.h>
10 #include <linux/platform_data/i2c-mux-gpio.h>
15 #include <linux/gpio/consumer.h>
17 #include "../../gpio/gpiolib.h"
25 static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val) in i2c_mux_gpio_set() argument
31 gpiod_set_array_value_cansleep(mux->ngpios, mux->gpios, NULL, values); in i2c_mux_gpio_set()
36 struct gpiomux *mux = i2c_mux_priv(muxc); in i2c_mux_gpio_select() local
38 i2c_mux_gpio_set(mux, chan); in i2c_mux_gpio_select()
[all …]
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 tristate "GPIO-based I2C arbitration"
17 a GPIO.
20 will be called i2c-arb-gpio-challenge.
23 tristate "GPIO-based I2C multiplexer"
27 GPIO based I2C multiplexer. This driver provides access to
28 I2C busses connected through a MUX, which is controlled
29 through GPIO pins.
32 will be called i2c-mux-gpio.
41 I2C busses connected through a MUX, which in turn is controlled
[all …]
/kernel/linux/linux-6.6/drivers/i2c/muxes/
Di2c-mux-gpio.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * I2C multiplexer using GPIO API
9 #include <linux/i2c-mux.h>
11 #include <linux/platform_data/i2c-mux-gpio.h>
16 #include <linux/gpio/consumer.h>
18 #include "../../gpio/gpiolib.h"
26 static void i2c_mux_gpio_set(const struct gpiomux *mux, unsigned val) in i2c_mux_gpio_set() argument
32 gpiod_set_array_value_cansleep(mux->ngpios, mux->gpios, NULL, values); in i2c_mux_gpio_set()
37 struct gpiomux *mux = i2c_mux_priv(muxc); in i2c_mux_gpio_select() local
39 i2c_mux_gpio_set(mux, chan); in i2c_mux_gpio_select()
[all …]
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 tristate "GPIO-based I2C arbitration"
17 a GPIO.
20 will be called i2c-arb-gpio-challenge.
23 tristate "GPIO-based I2C multiplexer"
27 GPIO based I2C multiplexer. This driver provides access to
28 I2C busses connected through a MUX, which is controlled
29 through GPIO pins.
32 will be called i2c-mux-gpio.
41 I2C busses connected through a MUX, which in turn is controlled
[all …]
/kernel/linux/linux-5.10/arch/arm64/boot/dts/qcom/
Dmsm8996-pins.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
10 mux {
12 function = "gpio";
17 drive-strength = <2>; /* 2 mA */
18 bias-pull-down; /* pull down */
19 input-enable;
26 mux {
28 function = "gpio";
32 drive-strength = <16>;
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mux/
Dgpio-mux.txt1 GPIO-based multiplexer controller bindings
3 Define what GPIO pins are used to control a multiplexer. Or several
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
18 multiplexer GPIO pins, where the first pin is the least significant
23 mux: mux-controller {
24 compatible = "gpio-mux";
[all …]
/kernel/linux/linux-5.10/arch/arm/boot/dts/
Dqcom-apq8064-pins.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 sdc4_gpios: sdc4-gpios {
11 sdcc1_pins: sdcc1-pin-active {
14 drive-strengh = <16>;
15 bias-disable;
20 drive-strengh = <10>;
21 bias-pull-up;
26 drive-strengh = <10>;
27 bias-pull-up;
31 sdcc3_pins: sdcc3-pin-active {
[all …]
/kernel/linux/linux-6.6/arch/arm/boot/dts/qcom/
Dqcom-apq8064-pins.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 sdc4_gpios: sdc4-gpios {
11 sdcc1_pins: sdcc1-pin-active {
14 drive-strengh = <16>;
15 bias-disable;
20 drive-strengh = <10>;
21 bias-pull-up;
26 drive-strengh = <10>;
27 bias-pull-up;
31 sdcc3_pins: sdcc3-pin-active {
[all …]
/kernel/linux/linux-5.10/arch/arm64/boot/dts/amlogic/
Dmeson-gxbb.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include "meson-gx.dtsi"
7 #include "meson-gx-mali450.dtsi"
8 #include <dt-bindings/gpio/meson-gxbb-gpio.h>
9 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
10 #include <dt-bindings/clock/gxbb-clkc.h>
11 #include <dt-bindings/clock/gxbb-aoclkc.h>
12 #include <dt-bindings/reset/gxbb-aoclkc.h>
15 compatible = "amlogic,meson-gxbb";
19 compatible = "amlogic,meson-gxbb-usb2-phy";
[all …]
Dmeson-gxl.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-gx.dtsi"
8 #include <dt-bindings/clock/gxbb-clkc.h>
9 #include <dt-bindings/clock/gxbb-aoclkc.h>
10 #include <dt-bindings/gpio/meson-gxl-gpio.h>
11 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
14 compatible = "amlogic,meson-gxl";
18 compatible = "amlogic,meson-gxl-usb-ctrl";
21 #address-cells = <2>;
22 #size-cells = <2>;
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/xilinx/
Dzynqmp-zc1751-xm019-dc5.dts1 // SPDX-License-Identifier: GPL-2.0+
3 * dts file for Xilinx ZynqMP zc1751-xm019-dc5
5 * (C) Copyright 2015 - 2021, Xilinx, Inc.
11 /dts-v1/;
14 #include "zynqmp-clk-ccf.dtsi"
15 #include <dt-bindings/gpio/gpio.h>
16 #include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
19 model = "ZynqMP zc1751-xm019-dc5 RevA";
20 compatible = "xlnx,zynqmp-zc1751", "xlnx,zynqmp";
33 stdout-path = "serial0:115200n8";
[all …]
/kernel/linux/linux-6.6/arch/arm64/boot/dts/amlogic/
Dmeson-gxbb.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include "meson-gx.dtsi"
7 #include "meson-gx-mali450.dtsi"
8 #include <dt-bindings/gpio/meson-gxbb-gpio.h>
9 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
10 #include <dt-bindings/clock/gxbb-clkc.h>
11 #include <dt-bindings/clock/gxbb-aoclkc.h>
12 #include <dt-bindings/reset/gxbb-aoclkc.h>
15 compatible = "amlogic,meson-gxbb";
19 compatible = "amlogic,meson-gxbb-usb2-phy";
[all …]
Dmeson-gxl.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
7 #include "meson-gx.dtsi"
8 #include <dt-bindings/clock/gxbb-clkc.h>
9 #include <dt-bindings/clock/gxbb-aoclkc.h>
10 #include <dt-bindings/gpio/meson-gxl-gpio.h>
11 #include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
14 compatible = "amlogic,meson-gxl";
18 compatible = "amlogic,meson-gxl-usb-ctrl";
21 #address-cells = <2>;
22 #size-cells = <2>;
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/i2c/
Di2c-mux-gpio.txt1 GPIO-based I2C Bus Mux
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 | | | \----------+--------+--------+
15 | +------+ | | | | |
16 | | GPIO |-|-----+ +-----+ +-----+ +-----+
[all …]
Di2c-mux-ltc4306.txt5 - compatible: Must contain one of the following.
7 - reg: The I2C address of the device.
11 - Standard I2C mux properties. See i2c-mux.txt in this directory.
12 - I2C child bus nodes. See i2c-mux.txt 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
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
23 See ../gpio/gpio.txt for more information.
24 - ltc,downstream-accelerators-enable: Enables the rise time accelerators
[all …]
Di2c-mux.txt8 - #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
16 of both i2c child busses and other child nodes, the 'i2c-mux' subnode
17 can be used for populating the i2c child busses. If an 'i2c-mux'
21 Required properties for the i2c-mux child node:
22 - #address-cells = <1>;
23 - #size-cells = <0>;
[all …]
/kernel/linux/linux-5.10/drivers/mux/
Dgpio.c1 // SPDX-License-Identifier: GPL-2.0
3 * GPIO-controlled multiplexer driver
11 #include <linux/gpio/consumer.h>
13 #include <linux/mux/driver.h>
22 static int mux_gpio_set(struct mux_control *mux, int state) in mux_gpio_set() argument
24 struct mux_gpio *mux_gpio = mux_chip_priv(mux->chip); in mux_gpio_set()
29 gpiod_set_array_value_cansleep(mux_gpio->gpios->ndescs, in mux_gpio_set()
30 mux_gpio->gpios->desc, in mux_gpio_set()
31 mux_gpio->gpios->info, values); in mux_gpio_set()
41 { .compatible = "gpio-mux", },
[all …]
/kernel/linux/linux-6.6/drivers/mux/
Dgpio.c1 // SPDX-License-Identifier: GPL-2.0
3 * GPIO-controlled multiplexer driver
12 #include <linux/gpio/consumer.h>
15 #include <linux/mux/driver.h>
23 static int mux_gpio_set(struct mux_control *mux, int state) in mux_gpio_set() argument
25 struct mux_gpio *mux_gpio = mux_chip_priv(mux->chip); in mux_gpio_set()
31 gpiod_set_array_value_cansleep(mux_gpio->gpios->ndescs, in mux_gpio_set()
32 mux_gpio->gpios->desc, in mux_gpio_set()
33 mux_gpio->gpios->info, values); in mux_gpio_set()
43 { .compatible = "gpio-mux", },
[all …]

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