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/Linux-v5.10/Documentation/devicetree/bindings/input/touchscreen/
Dads7846.txt7 Documentation/devicetree/bindings/spi/spi-bus.txt
23 vcc-supply A regulator node for the supply voltage.
28 ti,vref-delay-usecs vref supply delay in usecs, 0 for
30 ti,vref-mv The VREF voltage, in millivolts (u16).
33 ti,keep-vref-on set to keep vref on for differential
35 ti,settle-delay-usec Settling time of the analog signals;
37 on the X/Y drivers. If set to non-zero,
41 ti,penirq-recheck-delay-usecs If set to non-zero, after samples are
47 ti,x-plate-ohms Resistance of the X-plate,
49 ti,y-plate-ohms Resistance of the Y-plate,
[all …]
Dtsc2005.txt1 * Texas Instruments tsc2004 and tsc2005 touchscreen controllers
4 - compatible : "ti,tsc2004" or "ti,tsc2005"
5 - reg : Device address
6 - interrupts : IRQ specifier
7 - spi-max-frequency : Maximum SPI clocking speed of the device
11 - vio-supply : Regulator specifier
12 - reset-gpios : GPIO specifier for the controller reset line
13 - ti,x-plate-ohms : integer, resistance of the touchscreen's X plates
15 - ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond after
18 - properties defined in touchscreen.txt
[all …]
Dcypress,cy8ctma140.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/cypress,cy8ctma140.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Cypress CY8CTMA140 series touchscreen controller bindings
10 - Linus Walleij <linus.walleij@linaro.org>
13 - $ref: touchscreen.yaml#
22 clock-frequency:
30 vcpin-supply:
33 vdd-supply:
[all …]
Diqs5xx.txt1 Azoteq IQS550/572/525 Trackpad/Touchscreen Controller
5 - compatible : Must be equal to one of the following:
10 - reg : I2C slave address for the device.
12 - interrupts : GPIO to which the device's active-high RDY
15 - reset-gpios : GPIO to which the device's active-low NRST
20 - touchscreen-min-x : See [2].
22 - touchscreen-min-y : See [2].
24 - touchscreen-size-x : See [2]. If this property is omitted, the
25 maximum x-coordinate is specified by the
28 - touchscreen-size-y : See [2]. If this property is omitted, the
[all …]
Dtouchscreen.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/touchscreen.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Common touchscreen Bindings
10 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
13 touchscreen-min-x:
18 touchscreen-min-y:
23 touchscreen-size-x:
24 description: horizontal resolution of touchscreen (maximum x coordinate reported + 1)
[all …]
Dbu21029.txt4 - compatible : must be "rohm,bu21029"
5 - reg : i2c device address of the chip (0x40 or 0x41)
6 - interrupt-parent : the phandle for the gpio controller
7 - interrupts : (gpio) interrupt to which the chip is connected
8 - rohm,x-plate-ohms : x-plate resistance in Ohm
11 - reset-gpios : gpio pin to reset the chip (active low)
12 - touchscreen-size-x : horizontal resolution of touchscreen (in pixels)
13 - touchscreen-size-y : vertical resolution of touchscreen (in pixels)
14 - touchscreen-max-pressure: maximum pressure value
15 - vdd-supply : power supply for the controller
[all …]
Dad7879.txt1 * Analog Devices AD7879(-1)/AD7889(-1) touchscreen interface (SPI/I2C)
4 - compatible : for SPI slave, use "adi,ad7879"
5 for I2C slave, use "adi,ad7879-1"
6 - reg : SPI chipselect/I2C slave address
7 See spi-bus.txt for more SPI slave properties
8 - interrupts : touch controller interrupt
9 - touchscreen-max-pressure : maximum reported pressure
10 - adi,resistance-plate-x : total resistance of X-plate (for pressure
13 - touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
14 - adi,first-conversion-delay : 0-12: In 128us steps (starting with 128us)
[all …]
Dtsc2007.txt1 * Texas Instruments tsc2007 touchscreen controller
4 - compatible: must be "ti,tsc2007".
5 - reg: I2C address of the chip.
6 - ti,x-plate-ohms: X-plate resistance in ohms.
9 - gpios: the interrupt gpio the chip is connected to (trough the penirq pin).
12 - interrupts: (gpio) interrupt to which the chip is connected
14 - ti,max-rt: maximum pressure.
15 - ti,fuzzx: specifies the absolute input fuzz x value.
16 If set, it will permit noise in the data up to +- the value given to the fuzz
18 - ti,fuzzy: specifies the absolute input fuzz y value.
[all …]
/Linux-v5.10/drivers/input/touchscreen/
Dof_touchscreen.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Generic DT helper functions for touchscreen devices
11 #include <linux/input/touchscreen.h>
34 int min, int max, int fuzz) in touchscreen_set_params() argument
38 if (!test_bit(axis, dev->absbit)) { in touchscreen_set_params()
39 dev_warn(&dev->dev, in touchscreen_set_params()
45 absinfo = &dev->absinfo[axis]; in touchscreen_set_params()
46 absinfo->minimum = min; in touchscreen_set_params()
47 absinfo->maximum = max; in touchscreen_set_params()
48 absinfo->fuzz = fuzz; in touchscreen_set_params()
[all …]
Dmxs-lradc-ts.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Freescale MXS LRADC touchscreen driver
19 #include <linux/mfd/mxs-lradc.h>
25 "mxs-lradc-touchscreen",
26 "mxs-lradc-channel6",
27 "mxs-lradc-channel7",
31 * Touchscreen handling
47 * When the touchscreen is enabled, we give it two private virtual
62 /* handle touchscreen's physical behaviour */
77 u32 pressure; member
[all …]
Dads7846.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ADS7846 based touchscreen and sensor driver
10 * - corgi_ts.c
11 * Copyright (C) 2004-2005 Richard Purdie
12 * - omap_ts.[hc], ads7846.h, ts_osk.c
23 #include <linux/input/touchscreen.h>
41 * Support for ads7843 tested on Atmel at91sam926x-EK.
55 * note. The strength of filtering can be set in the board-* specific
69 * with msbs zeroed). Instead, we read them as two 8-bit values,
82 * driver is used with DMA-based SPI controllers (like atmel_spi) on
[all …]
Dtsc2007_core.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/input/touchscreen/tsc2007.c
9 * - ads7846.c
12 * - corgi_ts.c
13 * Copyright (C) 2004-2005 Richard Purdie
14 * - omap_ts.[hc], ads7846.h, ts_osk.c
35 data = i2c_smbus_read_word_data(tsc->client, cmd); in tsc2007_xfer()
37 dev_err(&tsc->client->dev, "i2c io error: %d\n", data); in tsc2007_xfer()
43 * Where DataLow has [D11-D4], DataHigh has [D3-D0 << 4 | Dummy 4bit]. in tsc2007_xfer()
47 dev_dbg(&tsc->client->dev, "data: 0x%x, val: 0x%x\n", data, val); in tsc2007_xfer()
[all …]
Dwm97xx-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm97xx-core.c -- Touch screen driver core for Wolfson WM9705, WM9712
15 * - supports WM9705, WM9712, WM9713
16 * - polling mode
17 * - continuous mode (arch-dependent)
18 * - adjustable rpu/dpp settings
19 * - adjustable pressure current
20 * - adjustable sample settle delay
21 * - 4 and 5 wire touchscreens (5 wire is WM9712 only)
22 * - pen down detection
[all …]
Dcy8ctma140.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for Cypress CY8CTMA140 (TMA140) touchscreen
8 * Inspired by the tma140_skomer.c driver in the Samsung GT-S7710 code
9 * drop. The GT-S7710 is codenamed "Skomer", the code also indicates
10 * that the same touchscreen was used in a product called "Lucas".
12 * The code drop for GT-S7710 also contains a firmware downloader and
14 * the firmware got downloaded to the touchscreen flash successfully and
23 #include <linux/input/touchscreen.h>
73 id = i % 2 ? buf[-1] & 0x0f : buf[5] >> 4; in cy8ctma140_report()
74 slot = input_mt_get_slot_by_key(ts->input, id); in cy8ctma140_report()
[all …]
Dchipone_icn8505.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for ChipOne icn8505 i2c touchscreen controller
5 * Copyright (c) 2015-2018 Red Hat Inc.
20 #include <linux/input/touchscreen.h>
53 u8 pressure; /* Seems more like finger width then pressure really */ member
97 buf[i] = (reg_addr >> (reg_addr_width - (i + 1) * 8)) & 0xff; in icn8505_read_xfer()
99 ret = i2c_transfer(client->adapter, msg, 2); in icn8505_read_xfer()
102 ret = -EIO; in icn8505_read_xfer()
104 dev_err(&client->dev, in icn8505_read_xfer()
117 u8 buf[3 + 32]; /* 3 bytes for 24 bit reg-addr + 32 bytes max len */ in icn8505_write_xfer()
[all …]
/Linux-v5.10/arch/arm/boot/dts/
Dam3517-som.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
5 * Based on am3517-evm.dts
11 cpu0-supply = <&vdd_core_reg>;
16 compatible = "regulator-fixed";
17 regulator-name = "wl1271_buf";
18 regulator-min-microvolt = <1800000>;
19 regulator-max-microvolt = <1800000>;
20 pinctrl-names = "default";
21 pinctrl-0 = <&wl12xx_buffer_pins>;
23 regulator-always-on;
[all …]
Dlogicpd-som-lv.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 #include <dt-bindings/input/input.h>
8 cpu0-supply = <&vcc>;
18 compatible = "regulator-fixed";
19 regulator-name = "vwl1271";
20 regulator-min-microvolt = <1800000>;
21 regulator-max-microvolt = <1800000>;
23 startup-delay-us = <70000>;
24 enable-active-high;
25 vin-supply = <&vaux3>;
[all …]
Dlogicpd-torpedo-baseboard.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
5 compatible = "gpio-keys";
6 pinctrl-names = "default";
7 pinctrl-0 = <&gpio_key_pins &gpio_key_pins_wkup>;
13 wakeup-source;
20 wakeup-source;
27 wakeup-source;
34 wakeup-source;
39 compatible = "ti,omap-twl4030";
45 compatible = "gpio-leds";
[all …]
Domap3-gta04.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
5 * Based on omap3-beagle-xm.dts
7 /dts-v1/;
10 #include <dt-bindings/input/input.h>
14 compatible = "ti,omap3-gta04", "ti,omap3630", "ti,omap36xx", "ti,omap3";
18 cpu0-supply = <&vcc>;
28 stdout-path = &uart3;
37 compatible = "regulator-fixed";
38 regulator-name = "ldo_3v3";
39 regulator-min-microvolt = <3300000>;
[all …]
Dste-ux500-samsung-skomer.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
6 /dts-v1/;
7 #include "ste-db8500.dtsi"
8 #include "ste-ab8505.dtsi"
9 #include "ste-dbx5x0-pinctrl.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
15 model = "Samsung XCover 2 (GT-S7710)";
[all …]
Domap3-n900.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2013-2014 Aaro Koskinen <aaro.koskinen@iki.fi>
7 /dts-v1/;
10 #include <dt-bindings/input/input.h>
13 * Default secure signed bootloader (Nokia X-Loader) does not enable L3 firewall
15 * blocks then kernel receive "Unhandled fault: external abort on non-linefetch"
16 * and crash. Until somebody fix omap-aes.c and omap_hwmod_3xxx_data.c code (no
32 compatible = "nokia,omap3-n900", "ti,omap3430", "ti,omap3";
45 cpu0-supply = <&vcc>;
50 compatible = "gpio-leds";
[all …]
/Linux-v5.10/drivers/iio/adc/
Dat91-sama5d2_adc.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/dma-mapping.h>
36 /* Touchscreen Calibration */
98 /* Interrupt Enable Register - TS X measurement ready */
100 /* Interrupt Enable Register - TS Y measurement ready */
102 /* Interrupt Enable Register - TS pressure measurement ready */
104 /* Interrupt Enable Register - Data ready */
106 /* Interrupt Enable Register - general overrun error */
108 /* Interrupt Enable Register - Pen detect */
110 /* Interrupt Enable Register - No pen detect */
[all …]
Dat91_adc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
105 #define AT91_ADC_ACR_PENDETSENS (0x3 << 0) /* pull-up resistor */
119 #define AT91_ADC_TSMR_NOTSDMA (1 << 22) /* No Touchscreen DMA */
139 (st->registers->channel_base + (ch * 4))
141 (readl_relaxed(st->reg_base + reg))
143 (writel_relaxed(val, st->reg_base + reg))
154 #define TOUCH_SCTIM_US 10 /* 10us for the Touchscreen Switches Closure Time */
157 * struct at91_adc_reg_desc - Various informations relative to registers
183 /* Pen Detection input pull-up resistor, can be 0~3 */
220 * Following ADC channels are shared by touchscreen:
[all …]
/Linux-v5.10/arch/arm64/boot/dts/freescale/
Dimx8mn-var-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 * Copyright 2019-2020 Variscite Ltd.
11 model = "Variscite VAR-SOM-MX8MN module";
12 compatible = "variscite,var-som-mx8mn", "fsl,imx8mn";
15 stdout-path = &uart4;
23 reg_eth_phy: regulator-eth-phy {
24 compatible = "regulator-fixed";
25 pinctrl-names = "default";
26 pinctrl-0 = <&pinctrl_reg_eth_phy>;
27 regulator-name = "eth_phy_pwr";
[all …]
Dimx8mm-var-som.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
10 model = "Variscite VAR-SOM-MX8MM module";
11 compatible = "variscite,var-som-mx8mm", "fsl,imx8mm";
14 stdout-path = &uart4;
22 reg_eth_phy: regulator-eth-phy {
23 compatible = "regulator-fixed";
24 pinctrl-names = "default";
25 pinctrl-0 = <&pinctrl_reg_eth_phy>;
26 regulator-name = "eth_phy_pwr";
27 regulator-min-microvolt = <3300000>;
[all …]

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