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/Linux-v6.1/Documentation/devicetree/bindings/hwmon/
Dntc-thermistor.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 ---
3 $id: http://devicetree.org/schemas/hwmon/ntc-thermistor.yaml#
4 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 - Naveen Krishna Chatradhi <ch.naveen@samsung.com>
10 - Linus Walleij <linus.walleij@linaro.org>
14 vary in resistance in an often non-linear way in relation to temperature.
17 temperature is non-linear, software drivers most often need to use a look
20 When used in practice, a thermistor is often connected between ground, a
21 pull-up resistor or/and a pull-down resistor and a fixed voltage like this:
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/Linux-v6.1/Documentation/input/devices/
Djoystick-parport.rst3 .. _joystick-parport:
9 :Copyright: |copy| 1998-2000 Vojtech Pavlik <vojtech@ucw.cz>
10 :Copyright: |copy| 1998 Andree Borrmann <a.borrmann@tu-bs.de>
18 Any information in this file is provided as-is, without any guarantee that
36 Many console and 8-bit computer gamepads and joysticks are supported. The
40 ------------
50 and/or SNES gamepads and/or SNES mice connected to the parallel port at once,
59 for your pads, use either keyboard or joystick port, and make a pass-through
69 (pin 9) -----> Power
77 (pin 9) ----|>|-------+------> Power
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/Linux-v6.1/drivers/auxdisplay/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
4 # see Documentation/kbuild/kconfig-language.rst.
22 This is the base system for character-based LCD displays.
31 This is the core support for single-line character displays, to be
66 and built-in as well (Y).
74 hex "Parallel port where the LCD is connected"
78 The address of the parallel port where the LCD is connected.
121 If you have a Crystalfontz 128x64 2-color LCD, cfag12864b Series,
125 check Documentation/admin-guide/auxdisplay/cfag12864b.rst
211 Say Y here if you have an HD44780 or KS-0074 LCD connected to your
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Dpanel.c1 // SPDX-License-Identifier: GPL-2.0+
4 * Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
5 * Copyright (C) 2016-2017 Glider bvba
8 * connected to a parallel printer port.
10 * The LCD module may either be an HD44780-like 8-bit parallel LCD, or a 1-bit
11 * serial module compatible with Samsung's KS0074. The pins may be connected in
15 * data output pins or to the ground. The combinations have to be hard-coded
22 * - the initialization/deinitialization process is very dirty and should
26 * - document 24 keys keyboard (3 rows of 8 cols, 32 diodes + 2 inputs)
27 * - make the LCD a part of a virtual screen of Vx*Vy
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/Linux-v6.1/Documentation/hwmon/
Dntc_thermistor.rst30 -----------
52 +----+-----------------------[read_uV]
56 -+- (ground)
58 2. connect = NTC_CONNECTED_POSITIVE, pullup_ohm = 0 (not-connected)::
64 +----------------------------[read_uV]
68 -+- (ground)
76 +----+-----------------------[read_uV]
80 -+----+- (ground)
82 4. connect = NTC_CONNECTED_GROUND, pulldown_ohm = 0 (not-connected)::
88 +----------------------------[read_uV]
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Dadm1026.rst16 - Philip Pokorny <ppokorny@penguincomputing.com> for Penguin Computing
17 - Justin Thiessen <jthiessen@penguincomputing.com>
20 -----------------
23 List of GPIO pins (0-16) to program as inputs
26 List of GPIO pins (0-16) to program as outputs
29 List of GPIO pins (0-16) to program as inverted
32 List of GPIO pins (0-16) to program as normal/non-inverted
35 List of GPIO pins (0-7) to program as fan tachs
39 -----------
45 16 general purpose digital I/O lines, eight (8) fan speed sensors (8-bit),
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/Linux-v6.1/Documentation/devicetree/bindings/mfd/
Dsamsung,s2mps11.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Krzysztof Kozlowski <krzk@kernel.org>
18 sub-blocks.
23 - samsung,s2mps11-pmic
24 - samsung,s2mps13-pmic
25 - samsung,s2mps14-pmic
26 - samsung,s2mps15-pmic
27 - samsung,s2mpu02-pmic
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/Linux-v6.1/Documentation/devicetree/bindings/iio/proximity/
Dsemtech,sx9310.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Daniel Campello <campello@chromium.org>
16 https://www.semtech.com/products/smart-sensing/sar-sensors/sx9310
21 - semtech,sx9310
22 - semtech,sx9311
34 vdd-supply:
37 svdd-supply:
40 "#io-channel-cells":
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/Linux-v6.1/Documentation/networking/
Dplip.rst1 .. SPDX-License-Identifier: GPL-2.0
14 -----------------
17 This device interface allows a point-to-point connection between two
25 printer port. PLIP is a non-standard, but [can use] uses the standard
26 LapLink null-printer cable [can also work in turbo mode, with a PLIP
62 -------------------
77 On these machines, the PLIP driver can be used in IRQ-less mode, where
82 indicate that there isn't a noticeable performance drop when using IRQ-less
92 When in IRQ-less mode, the PLIP driver polls the parallel port HZ times
99 10^6/HZ usecs. If both sides of a PLIP connection are used in IRQ-less mode,
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/Linux-v6.1/include/linux/pinctrl/
Dpinconf-generic.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2011 ST-Ericsson SA
6 * Written on behalf of Linaro for ST-Ericsson
21 * enum pin_config_param - possible pin configuration parameters
28 * transition from say pull-up to pull-down implies that you disable
29 * pull-up in the process, this setting disables all biasing.
31 * mode, also know as "third-state" (tristate) or "high-Z" or "floating".
33 * if for example some other pin is going to drive the signal connected
37 * impedance to GROUND). If the argument is != 0 pull-down is enabled,
38 * if it is 0, pull-down is total, i.e. the pin is connected to GROUND.
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/Linux-v6.1/Documentation/devicetree/bindings/leds/
Dleds-pwm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LEDs connected to PWM
10 - Pavel Machek <pavel@ucw.cz>
13 Each LED is represented as a sub-node of the pwm-leds device. Each
18 const: pwm-leds
21 "^led(-[0-9a-f]+)?$":
30 pwm-names: true
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Dleds-pwm-multicolor.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-pwm-multicolor.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Multi-color LEDs connected to PWM
10 - Sven Schwermer <sven.schwermer@disruptive-technologies.com>
13 This driver combines several monochrome PWM LEDs into one multi-color
18 const: pwm-leds-multicolor
20 multi-led:
22 $ref: leds-class-multicolor.yaml#
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/Linux-v6.1/Documentation/w1/
Dw1-generic.rst2 Introduction to the 1-wire (w1) subsystem
5 The 1-wire bus is a simple master-slave bus that communicates via a single
6 signal wire (plus ground, so two wires).
8 Devices communicate on the bus by pulling the signal to ground via an open
14 All w1 slave devices must be connected to a w1 bus master device.
18 - DS9490 usb device
19 - W1-over-GPIO
20 - DS2482 (i2c to w1 bridge)
21 - Emulated devices, such as a RS232 converter, parallel port adapter, etc
25 ------------------------------
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/Linux-v6.1/arch/arm64/boot/dts/qcom/
Dsc7180-trogdor-lazor.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
8 /* This file must be included after sc7180-trogdor.dtsi */
9 #include <arm/cros-ec-keyboard.dtsi>
12 semtech,cs0-ground;
13 semtech,combined-sensors = <3>;
15 semtech,startup-sensor = <0>;
16 semtech,proxraw-strength = <8>;
17 semtech,avg-pos-strength = <64>;
35 clock-frequency = <400000>;
38 compatible = "hid-over-i2c";
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/Linux-v6.1/drivers/extcon/
Dextcon-max77843.c1 // SPDX-License-Identifier: GPL-2.0+
3 // extcon-max77843.c - Maxim MAX77843 extcon driver to support
9 #include <linux/extcon-provider.h>
13 #include <linux/mfd/max77693-common.h>
14 #include <linux/mfd/max77843-private.h>
141 { MAX77843_MUIC_IRQ_INT1_ADC, "MUIC-ADC" },
142 { MAX77843_MUIC_IRQ_INT1_ADCERROR, "MUIC-ADC_ERROR" },
143 { MAX77843_MUIC_IRQ_INT1_ADC1K, "MUIC-ADC1K" },
144 { MAX77843_MUIC_IRQ_INT2_CHGTYP, "MUIC-CHGTYP" },
145 { MAX77843_MUIC_IRQ_INT2_CHGDETRUN, "MUIC-CHGDETRUN" },
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/Linux-v6.1/Documentation/ABI/testing/
Dsysfs-bus-iio3 Contact: linux-iio@vger.kernel.org
11 Contact: linux-iio@vger.kernel.org
25 Contact: linux-iio@vger.kernel.org
31 Contact: linux-iio@vger.kernel.org
38 Contact: linux-iio@vger.kernel.org
44 The contents of the label are free-form, but there are some
51 * "proximity-wifi"
52 * "proximity-lte"
53 * "proximity-wifi-lte"
54 * "proximity-wifi-left"
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/Linux-v6.1/drivers/gpio/
Dgpio-bd71815.c1 // SPDX-License-Identifier: GPL-2.0
8 * Author: yanglsh@embest-tech.com
18 #include <linux/mfd/rohm-bd71815.h>
33 ret = regmap_read(bd71815->regmap, BD71815_REG_GPO, &val); in bd71815gpo_get()
49 ret = regmap_set_bits(bd71815->regmap, BD71815_REG_GPO, bit); in bd71815gpo_set()
51 ret = regmap_clear_bits(bd71815->regmap, BD71815_REG_GPO, bit); in bd71815gpo_set()
54 dev_warn(bd71815->dev, "failed to toggle GPO\n"); in bd71815gpo_set()
64 return regmap_update_bits(bdgpio->regmap, in bd71815_gpio_set_config()
69 return regmap_update_bits(bdgpio->regmap, in bd71815_gpio_set_config()
76 return -ENOTSUPP; in bd71815_gpio_set_config()
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/Linux-v6.1/drivers/net/can/sja1000/
Dems_pcmcia.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2010 Markus Plessing <plessing@ems-wuensche.com>
22 MODULE_AUTHOR("Markus Plessing <plessing@ems-wuensche.com>");
23 MODULE_DESCRIPTION("Socket-CAN driver for EMS CPC-CARD cards");
39 * RX1 is connected to ground.
40 * TX1 is not connected.
41 * CLKO is not connected.
43 * This means normal output mode , push-pull and the correct polarity.
54 #define EMS_PCMCIA_MEM_SIZE 4096 /* Size of the remapped io-memory */
63 PCMCIA_DEVICE_PROD_ID123("EMS_T_W", "CPC-Card", "V2.0", 0xeab1ea23,
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Dems_pci.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright (C) 2008 Markus Plessing <plessing@ems-wuensche.com>
5 * Copyright (C) 2008 Sebastian Haas <haas@ems-wuensche.com>
22 MODULE_AUTHOR("Sebastian Haas <haas@ems-wuenche.com>");
23 MODULE_DESCRIPTION("Socket-CAN driver for EMS CPC-PCI/PCIe/104P CAN cards");
46 * PSB4610 PITA-2 bridge control registers
67 * RX1 is connected to ground.
68 * TX1 is not connected.
69 * CLKO is not connected.
71 * This means normal output mode, push-pull and the correct polarity.
[all …]
Dkvaser_pci.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * - Kvaser linux driver, version 4.72 BETA
8 * Copyright (C) 2002-2007 KVASER AB
10 * - Lincan driver, version 0.3.3, OCERA project
14 * - Socketcan SJA1000 drivers
16 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
35 MODULE_DESCRIPTION("Socket-CAN driver for KVASER PCAN PCI cards");
43 struct net_device *slave_dev[MAX_NO_OF_CHANNELS-1];
54 * RX1 is connected to ground.
55 * TX1 is not connected.
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/Linux-v6.1/drivers/mfd/
Ducb1x00-ts.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Touchscreen driver for UCB1x00-based touchscreens
8 * 21-Jan-2002 <jco@ict.es> :
13 * It is important to note that the signal connected to the ADCSYNC
34 #include <asm/mach-types.h>
56 struct input_dev *idev = ts->idev; in ucb1x00_ts_evt_add()
67 struct input_dev *idev = ts->idev; in ucb1x00_ts_event_release()
79 ucb1x00_reg_write(ts->ucb, UCB_TS_CR, in ucb1x00_ts_mode_int()
92 ucb1x00_io_write(ts->ucb, COLLIE_TC35143_GPIO_TBL_CHK, 0); in ucb1x00_ts_read_pressure()
93 ucb1x00_reg_write(ts->ucb, UCB_TS_CR, in ucb1x00_ts_read_pressure()
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/Linux-v6.1/drivers/input/touchscreen/
Ducb1400_ts.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * If something doesn't work and it worked before spliting, e-mail me,
11 * dont bother Nicolas please ;-)
13 * This code is heavily based on ucb1x00-*.c copyrighted by Russell King
15 * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request.
36 ucb1400_reg_write(ucb->ac97, UCB_TS_CR, in ucb1400_ts_mode_int()
48 ucb1400_reg_write(ucb->ac97, UCB_TS_CR, in ucb1400_ts_read_pressure()
55 return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync); in ucb1400_ts_read_pressure()
66 ucb1400_reg_write(ucb->ac97, UCB_TS_CR, in ucb1400_ts_read_xpos()
69 ucb1400_reg_write(ucb->ac97, UCB_TS_CR, in ucb1400_ts_read_xpos()
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/Linux-v6.1/drivers/leds/flash/
Dleds-rt8515.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * from the RT8515 to the LED, with two resistors connected
11 * from the pins "RFS" and "RTS" to ground.
28 #include <linux/led-class-flash.h>
35 #include <media/v4l2-flash-led-class.h>
37 /* We can provide 15-700 mA out to the LED */
40 /* The maximum intensity is 1-16 for flash and 1-100 for torch */
68 gpiod_set_value(rt->enable_flash, 0); in rt8515_gpio_led_off()
69 gpiod_set_value(rt->enable_torch, 0); in rt8515_gpio_led_off()
96 mutex_lock(&rt->lock); in rt8515_led_brightness_set()
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/Linux-v6.1/Documentation/devicetree/bindings/phy/
Dnvidia,tegra20-usb-phy.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/phy/nvidia,tegra20-usb-phy.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Osipenko <digetx@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12 - Thierry Reding <thierry.reding@gmail.com>
17 - items:
18 - enum:
19 - nvidia,tegra124-usb-phy
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/Linux-v6.1/drivers/input/keyboard/
Dlkkbd.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2004 by Jan-Benedict Glaw <jbglaw@lug-owl.de>
19 * 1 - RxD <----> Pin 3 (TxD) <-> Pin 2 (TxD)
20 * 2 - GND <----> Pin 5 (GND) <-> Pin 7 (GND)
21 * 4 - TxD <----> Pin 2 (RxD) <-> Pin 3 (RxD)
22 * 3 - +12V (from HDD drive connector), DON'T connect to DE9 or DB25!!!
33 * || So the adaptor consists of three connected cables
34 * || for data transmission (RxD and TxD) and signal ground.
37 * It's the yellow cable there (black is ground and red is +5V).
40 * "VCB02 Video Subsystem - Technical Manual", EK-104AA-TM-001. This
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