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/linux/drivers/i2c/muxes/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Multiplexer I2C chip drivers configuration
6 menu "Multiplexer I2C Chip support"
10 tristate "GPIO-based I2C arbitration"
15 I2C multimaster arbitration scheme using GPIOs and a challenge &
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
32 will be called i2c-mux-gpio.
[all …]
/linux/Documentation/devicetree/bindings/leds/
H A Dleds-lm3532.txt1 * Texas Instruments - lm3532 White LED driver with ambient light sensing
4 The LM3532 provides the 3 high-voltage, low-side current sinks. The device is
5 programmable over an I2C-compatible interface and has independent
11 each with 32 internal voltage setting resistors, 8-bit logarithmic and linear
16 - compatible : "ti,lm3532"
17 - reg : I2C slave address
18 - #address-cells : 1
19 - #size-cells : 0
22 - enable-gpios : gpio pin to enable (active high)/disable the device.
23 - ramp-up-us - The Run time ramp rates/step are from one current
[all …]
H A Dleds-lm3697.txt1 * Texas Instruments - LM3697 Highly Efficient White LED Driver
3 The LM3697 11-bit LED driver provides high-
10 - compatible:
12 - reg : I2C slave address
13 - #address-cells : 1
14 - #size-cells : 0
17 - enable-gpios : GPIO pin to enable/disable the device
18 - vled-supply : LED supply
21 - reg : 0 - LED is Controlled by bank A
22 1 - LED is Controlled by bank B
[all …]
H A Dleds-lm36274.txt1 * Texas Instruments LM36274 4-Channel LCD Backlight Driver w/Integrated Bias
3 The LM36274 is an integrated four-channel WLED driver and LCD bias supply.
5 up to 29V total output voltage. The 11-bit LED current is programmable via
6 the I2C bus and/or controlled via a logic level PWM input from 60 uA to 30 mA.
9 Documentation/devicetree/bindings/mfd/ti-lmu.txt
12 Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
15 - compatible:
16 "ti,lm36274-backlight"
17 - reg : 0
18 - #address-cells : 1
[all …]
/linux/drivers/clk/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
65 This driver supports NCO (Numerically Controlled Oscillator) blocks
78 depends on I2C
87 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
91 tristate "Raspberry Pi RP1-based clock support"
96 This multi-function device has 3 main PLLs and several clock
97 generators to drive the internal sub-peripherals.
106 multi-function device has one fixed-rate oscillator, clocked
110 tristate "Clock driver controlled via SCMI interface"
[all …]
/linux/Documentation/hwmon/
H A Dlm85.rst10 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
18 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
26 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
34 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
42 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
50 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
58 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
66 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
74 Addresses scanned: I2C 0x2c, 0x2d, 0x2e
79 - Philip Pokorny <ppokorny@penguincomputing.com>,
[all …]
H A Dw83793.rst10 Addresses scanned: I2C 0x2c - 0x2f
15 - Yuan Mu (Winbond Electronics)
16 - Rudolf Marek <r.marek@assembler.cz>
20 -----------------
29 This is used to force the i2c addresses for subclients of
31 to force the subclients of chip 0x2f on bus 0 to i2c addresses
36 -----------
44 sets of 6-pin CPU VID input.
48 voltage0-2 is 2mV, resolution of voltage3/4/5 is 16mV, 8mV for voltage6,
49 24mV for voltage7/8. Temp1-4 have a 0.25 degree Celsius resolution,
[all …]
/linux/Documentation/devicetree/bindings/media/i2c/
H A Dmaxim,max9286.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/media/i2c/maxim,max9286.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>
18 Serial Links (GMSL) and outputs them on a CSI-2 D-PHY port using up to 4 data
22 channel that encapsulates I2C messages. The MAX9286 forwards all I2C traffic
[all …]
H A Ddongwoon,dw9768.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/media/i2c/dongwoon,dw9768.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Dongchun Zhu <dongchun.zhu@mediatek.com>
13 description: |-
14 The Dongwoon DW9768 is a single 10-bit digital-to-analog (DAC) converter
15 with 100 mA output current sink capability. VCM current is controlled with
16 a linear mode driver. The DAC is controlled via a 2-wire (I2C-compatible)
24 - dongwoon,dw9768 # for DW9768 VCM
[all …]
H A Dasahi-kasei,ak7375.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/media/i2c/asahi-kasei,ak7375.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tianshu Qiu <tian.shu.qiu@intel.com>
14 is controlled over I2C.
19 - asahi-kasei,ak7345
20 - asahi-kasei,ak7375
25 vdd-supply:
28 vio-supply:
[all …]
/linux/Documentation/i2c/muxes/
H A 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 …]
/linux/drivers/iio/potentiometer/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
11 depends on I2C
21 depends on I2C
31 depends on I2C
40 tristate "Maxim MAX5432-MAX5435 Digital Potentiometer driver"
41 depends on I2C
51 tristate "Maxim MAX5481-MAX5484 Digital Potentiometer driver"
74 depends on I2C
103 depends on I2C
129 depends on I2C
[all …]
/linux/Documentation/leds/
H A Dleds-blinkm.rst5 The leds-blinkm driver supports the devices of the BlinkM family.
7 They are RGB-LED modules driven by a (AT)tiny microcontroller and
8 communicate through I2C. The default address of these modules is
10 daisy-chain up to 127 BlinkMs on an I2C bus.
16 The interface this driver provides is 3-fold:
23 blinkm-<i2c-bus-nr>-<i2c-device-nr>:rgb:indicator
25 $ ls -h /sys/class/leds/blinkm-1-9:rgb:indicator
28 Hue is controlled by the multi_intensity file and lightness is controlled by
45 blinkm-<i2c-bus-nr>-<i2c-device-nr>-<color>
47 $ ls -h /sys/class/leds/blinkm-6-*
[all …]
H A Dleds-lp5562.rst13 LEDs can be controlled directly via the led class control interface.
15 All four channels can be also controlled using the engine micro programs.
17 For the details, please refer to 'firmware' section in leds-lp55xx.txt
51 echo 2 > /sys/bus/i2c/devices/xxxx/select_engine # 2 is for green channel
52 echo "RGB" > /sys/bus/i2c/devices/xxxx/engine_mux # engine mux for RGB
56 echo 1 > /sys/bus/i2c/devices/xxxx/run_engine
60 echo 1 or 2 or 3 > /sys/bus/i2c/devices/xxxx/select_engine
61 echo "W" > /sys/bus/i2c/devices/xxxx/engine_mux
65 echo 1 > /sys/bus/i2c/devices/xxxx/run_engine
70 Please refer to 'leds-lp55xx.txt"
H A 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 -----------
26 LM3556 Flash can be controlled through /sys/class/leds/flash/brightness file
29 ON / OFF will be controlled by STROBE pin.
54 LM3556 torch can be controlled through /sys/class/leds/torch/brightness file.
56 and ON / OFF will be controlled by TORCH pin.
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
[all …]
/linux/Documentation/devicetree/bindings/leds/backlight/
H A Dmps,mp3309c.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Flavio Suligoi <f.suligoi@asem.it>
13 The Monolithic Power (MPS) MP3309C is a WLED step-up converter, featuring a
17 - analog mode, via I2C commands, as default mode (32 dimming levels)
18 - PWM controlled mode (optional)
24 - $ref: common.yaml#
34 description: if present, the backlight is controlled in PWM mode.
37 enable-gpios:
[all …]
/linux/drivers/mux/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
14 depends on I2C
22 be called mux-adg792a.
32 be called mux-adgs1408.
35 tristate "GPIO-controlled Multiplexer"
38 GPIO-controlled Multiplexer controller.
46 be called mux-gpio.
49 tristate "MMIO/Regmap register bitfield-controlled Multiplexer"
53 MMIO/Regmap register bitfield-controlled Multiplexer controller.
60 be called mux-mmio.
/linux/Documentation/devicetree/bindings/sound/
H A Dti,tlv320adc3xxx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ricard Wanderlof <ricardw@axis.com>
18 - $ref: dai-common.yaml#
23 - ti,tlv320adc3001
24 - ti,tlv320adc3101
28 description: I2C address
30 '#sound-dai-cells':
33 '#gpio-cells':
[all …]
/linux/Documentation/devicetree/bindings/mfd/
H A Das3722.txt4 -------------------
5 - compatible: Must be "ams,as3722".
6 - reg: I2C device address.
7 - interrupt-controller: AS3722 has internal interrupt controller which takes the
8 interrupt request from internal sub-blocks like RTC, regulators, GPIOs as well
10 - #interrupt-cells: Should be set to 2 for IRQ number and flags.
12 of AS3722 are defined at dt-bindings/mfd/as3722.h
14 interrupts.txt, using dt-bindings/irq.
17 --------------------
18 - ams,enable-internal-int-pullup: Boolean property, to enable internal pullup on
[all …]
/linux/drivers/gpu/drm/sitronix/
H A DKconfig2 tristate "DRM support for Sitronix ST7571 display panels (I2C)"
3 depends on DRM && I2C && MMU
10 DRM driver for Sitronix ST7571 panels controlled over I2C.
12 if M is selected the module will be called st7571-i2c.
38 * Jianda JD-T18003-T01 1.8" 128x160 TFT
/linux/include/uapi/linux/
H A Dvirtio_i2c.h1 /* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
3 * Definitions for virtio I2C Adpter
14 /* Virtio I2C Feature bits */
24 * struct virtio_i2c_out_hdr - the virtio I2C message OUT header
25 * @addr: the controlled device address
36 * struct virtio_i2c_in_hdr - the virtio I2C message IN header
/linux/drivers/media/dvb-frontends/
H A Dlnbh25.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
15 #include <linux/i2c.h>
18 /* 22 kHz tone enabled. Tone output controlled by DSQIN pin */
34 struct i2c_adapter *i2c);
39 struct i2c_adapter *i2c) in lnbh25_attach() argument
/linux/Documentation/devicetree/bindings/extcon/
H A Dfcs,fsa880.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Linus Walleij <linus.walleij@linaro.org>
14 The switch is fully controlled using I2C and enables USB data, stereo
21 - fcs,fsa880
22 - fcs,fsa9480
23 - ti,tsu6111
27 description: The I2C address for an FSA880 compatible device is
34 - compatible
[all …]
/linux/Documentation/i2c/busses/
H A Di2c-taos-evm.rst2 Kernel driver i2c-taos-evm
7 This is a driver for the evaluation modules for TAOS I2C/SMBus chips.
9 be controlled over the serial port. Virtually all evaluation modules
11 module to instantiate the right I2C chip on the bus. Obviously, a driver
23 -----------------
26 inputattach tool, which is part of the input-utils package. The following
31 # inputattach --taos-evm /dev/ttyS0
35 -----------------
44 The communication protocol is text-based and pretty simple. It is
/linux/Documentation/devicetree/bindings/regulator/
H A Dtps65090.txt4 - compatible: "ti,tps65090"
5 - reg: I2C slave address
6 - interrupts: the interrupt outputs of the controller
7 - regulators: A node that houses a sub-node for each regulator within the
8 device. Each sub-node is identified using the node's name, with valid
9 values listed below. The content of each sub-node is defined by the
11 dcdc[1-3], fet[1-7] and ldo[1-2] respectively.
12 - vsys[1-3]-supply: The input supply for DCDC[1-3] respectively.
13 - infet[1-7]-supply: The input supply for FET[1-7] respectively.
14 - vsys-l[1-2]-supply: The input supply for LDO[1-2] respectively.
[all …]

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