| /linux-6.8/Documentation/devicetree/bindings/hwmon/ |
| D | ntc-thermistor.yaml | 1 # 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 - Linus Walleij <linus.walleij@linaro.org>
13 vary in resistance in an often non-linear way in relation to temperature.
16 temperature is non-linear, software drivers most often need to use a look
19 When used in practice, a thermistor is often connected between ground, a
20 pull-up resistor or/and a pull-down resistor and a fixed voltage like this:
22 + e.g. 5V = pull-up voltage (puv)
[all …]
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| /linux-6.8/Documentation/input/devices/ |
| D | joystick-parport.rst | 3 .. _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-6.8/drivers/auxdisplay/ |
| D | Kconfig | 1 # 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.
118 If you have a Crystalfontz 128x64 2-color LCD, cfag12864b Series,
122 check Documentation/admin-guide/auxdisplay/cfag12864b.rst
205 Say Y here if you have an HD44780 or KS-0074 LCD connected to your
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| D | panel.c | 1 // 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
[all …]
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| /linux-6.8/Documentation/hwmon/ |
| D | ntc_thermistor.rst | 30 -----------
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]
[all …]
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| D | adm1026.rst | 16 - 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),
[all …]
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| /linux-6.8/Documentation/devicetree/bindings/mfd/ |
| D | samsung,s2mps11.yaml | 1 # 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
[all …]
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| /linux-6.8/Documentation/admin-guide/media/ |
| D | cec.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 - Exynos4
13 - Exynos5
14 - STIH4xx HDMI CEC
15 - V4L2 adv7511 (same HW, but a different driver from the drm adv7511)
16 - stm32
17 - Allwinner A10 (sun4i)
18 - Raspberry Pi
19 - dw-hdmi (Synopsis IP)
20 - amlogic (meson ao-cec and ao-cec-g12a)
[all …]
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| /linux-6.8/Documentation/devicetree/bindings/iio/proximity/ |
| D | semtech,sx9310.yaml | 1 # 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
19 - $ref: /schemas/iio/iio.yaml#
24 - semtech,sx9310
25 - semtech,sx9311
37 vdd-supply:
40 svdd-supply:
[all …]
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| /linux-6.8/Documentation/networking/ |
| D | plip.rst | 1 .. 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,
[all …]
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| /linux-6.8/Documentation/devicetree/bindings/leds/ |
| D | leds-pwm.yaml | 1 # 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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| D | leds-pwm-multicolor.yaml | 1 # 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-6.8/Documentation/w1/ |
| D | w1-generic.rst | 2 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-6.8/arch/arm64/boot/dts/qcom/ |
| D | sc7180-trogdor-lazor.dtsi | 1 // 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";
[all …]
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| /linux-6.8/drivers/extcon/ |
| D | extcon-max77843.c | 1 // 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" },
[all …]
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| /linux-6.8/Documentation/ABI/testing/ |
| D | sysfs-bus-iio | 3 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"
[all …]
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| /linux-6.8/drivers/net/can/sja1000/ |
| D | ems_pcmcia.c | 1 // 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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| D | kvaser_pci.c | 1 // 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.
[all …]
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| D | ems_pci.c | 1 // 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>
23 MODULE_AUTHOR("Sebastian Haas <support@ems-wuensche.com>");
24 MODULE_AUTHOR("Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>");
25 MODULE_DESCRIPTION("Socket-CAN driver for EMS CPC-PCI/PCIe/104P CAN cards");
48 * PSB4610 PITA-2 bridge control registers
76 * RX1 is connected to ground.
77 * TX1 is not connected.
78 * CLKO is not connected.
[all …]
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| /linux-6.8/drivers/gpio/ |
| D | gpio-bd71815.c | 1 // 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()
[all …]
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| /linux-6.8/drivers/mfd/ |
| D | ucb1x00-ts.c | 1 // 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()
[all …]
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| /linux-6.8/Documentation/driver-api/ |
| D | edac.rst | 5 ----------------------------------------
8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
13 creating a common ground for discussion, terms and their definitions
43 It is typically the highest hierarchy on a Fully-Buffered DIMM memory
52 * Single-channel
55 only. E. g. if the data is 64 bits-wide, the data flows to the CPU using
57 memories. FB-DIMM and RAMBUS use a different concept for channel, so
60 * Double-channel
63 dimms, accessed at the same time. E. g. if the DIMM is 64 bits-wide (72
67 * Chip-select row
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| /linux-6.8/Documentation/devicetree/bindings/net/wireless/ |
| D | mediatek,mt76.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Felix Fietkau <nbd@nbd.name>
12 - Lorenzo Bianconi <lorenzo@kernel.org>
13 - Ryder Lee <ryder.lee@mediatek.com>
18 node of the PCI controller to which the wireless chip is connected.
23 - $ref: ieee80211.yaml#
28 - mediatek,mt76
[all …]
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| /linux-6.8/drivers/leds/flash/ |
| D | leds-rt8515.c | 1 // 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()
[all …]
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| /linux-6.8/Documentation/devicetree/bindings/phy/ |
| D | nvidia,tegra20-usb-phy.yaml | 1 # 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
[all …]
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