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/openbmc/linux/Documentation/devicetree/bindings/input/touchscreen/
H A 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,
48 in Ohms (u16).
[all …]
H A 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
10 - Dmitry Torokhov <dmitry.torokhov@gmail.com>
14 description: If this touchscreen is integrally connected to a panel, this
16 that the touchscreen should be power sequenced together with the panel
20 touchscreen-min-x:
21 description: minimum x coordinate reported
[all …]
H A 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 …]
H A Dti,tsc2005.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/ti,tsc2005.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Texas Instruments TSC2004 and TSC2005 touchscreen controller
10 - Marek Vasut <marex@denx.de>
11 - Michael Welling <mwelling@ieee.org>
15 pattern: "^touchscreen(@.*)?$"
19 - ti,tsc2004
20 - ti,tsc2005
[all …]
H A Dresistive-adc-touch.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/resistive-adc-touch.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic resistive touchscreen ADC
10 - Oleksij Rempel <o.rempel@pengutronix.de>
13 Generic ADC based resistive touchscreen controller
18 - $ref: touchscreen.yaml#
22 const: resistive-adc-touch
24 io-channels:
[all …]
H A 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 (through 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 …]
/openbmc/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6qdl-skov-cpu-revc.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
6 touchscreen {
7 compatible = "resistive-adc-touch";
8 io-channels = <&adc_ts 1>, <&adc_ts 3>, <&adc_ts 4>, <&adc_ts 5>;
9 io-channel-names = "y", "z1", "z2", "x";
10 touchscreen-min-pressure = <65000>;
11 touchscreen-inverted-y;
12 touchscreen-swapped-x-y;
13 touchscreen-x-plate-ohms = <300>;
14 touchscreen-y-plate-ohms = <800>;
[all …]
H A Dimx6dl-victgo.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 /dts-v1/;
9 #include "imx6qdl-vicut1.dtsi"
15 gpio-keys {
16 compatible = "gpio-keys";
17 pinctrl-names = "default";
18 pinctrl-0 = <&pinctrl_gpiokeys>;
21 key-power {
25 wakeup-source;
28 key-enter {
[all …]
H A Dimx6dl-plym2m.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
7 /dts-v1/;
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/leds/common.h>
17 stdout-path = &uart4;
21 compatible = "pwm-backlight";
23 brightness-levels = <0 1000>;
24 num-interpolated-steps = <20>;
25 default-brightness-level = <19>;
26 power-supply = <&reg_12v0>;
[all …]
H A Dimx6dl-prtvt7.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/display/sdtv-standards.h>
10 #include <dt-bindings/input/input.h>
11 #include <dt-bindings/leds/common.h>
12 #include <dt-bindings/sound/fsl-imx-audmux.h>
23 backlight_lcd: backlight-lcd {
24 compatible = "pwm-backlight";
26 brightness-levels = <0 20 81 248 1000>;
[all …]
/openbmc/linux/drivers/input/touchscreen/
H A Dresistive-adc-touch.c1 // SPDX-License-Identifier: GPL-2.0
3 * ADC generic resistive touchscreen (GRTS)
13 #include <linux/input/touchscreen.h>
21 #define DRIVER_NAME "resistive-adc-touch"
37 * struct grts_state - generic resistive touch screen information struct
38 * @x_plate_ohms: resistance of the X plate
44 * @prop: touchscreen properties struct
45 * @ch_map: map of channels that are defined for the touchscreen
62 unsigned int x, y, press = 0; in grts_cb() local
64 x = touch_info[st->ch_map[GRTS_CH_X]]; in grts_cb()
[all …]
H A 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
36 data = i2c_smbus_read_word_data(tsc->client, cmd); in tsc2007_xfer()
38 dev_err(&tsc->client->dev, "i2c io error: %d\n", data); in tsc2007_xfer()
44 * Where DataLow has [D11-D4], DataHigh has [D3-D0 << 4 | Dummy 4bit]. in tsc2007_xfer()
48 dev_dbg(&tsc->client->dev, "data: 0x%x, val: 0x%x\n", data, val); in tsc2007_xfer()
[all …]
H A Dwm9712.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9712.c -- Codec driver for Wolfson WM9712 AC97 Codecs.
32 * i.e. pull up resistance = 64k Ohms / rpu.
69 * touchpanel plate and the ADC sampling the signal.
81 * Set five_wire = 1 to use a 5 wire touchscreen.
87 MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
109 * Set to 1 to enable coordinate polling. e.g. x,y[,p] is sampled together
160 dev_dbg(wm->dev, "setting pen detect pull-up to %d Ohms\n", in wm9712_phy_init()
167 dev_dbg(wm->dev, "setting 5-wire touchscreen mode.\n"); in wm9712_phy_init()
170 dev_warn(wm->dev, "pressure measurement is not " in wm9712_phy_init()
[all …]
H A Dwm9713.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * wm9713.c -- Codec touch driver for Wolfson WM9713 AC97 Codec.
32 * i.e. pull up resistance = 64k Ohms / rpu.
69 * touchpanel plate and the ADC sampling the signal.
81 * Set five_wire = 1 to use a 5 wire touchscreen.
87 MODULE_PARM_DESC(five_wire, "Set to '1' to use 5-wire touchscreen.");
109 * Set to 1 to enable coordinate polling. e.g. x,y[,p] is sampled together
163 dev_info(wm->dev, "setting pen detect pull-up to %d Ohms\n", in wm9713_phy_init()
170 dev_info(wm->dev, "setting 5-wire touchscreen mode."); in wm9713_phy_init()
173 dev_warn(wm->dev, in wm9713_phy_init()
[all …]
H A Dbu21029_ts.c1 // SPDX-License-Identifier: GPL-2.0
3 * Rohm BU21029 touchscreen controller driver
5 * Copyright (C) 2015-2018 Bosch Sicherheitssysteme GmbH
16 #include <linux/input/touchscreen.h>
25 * +--------+--------+--------+--------+--------+--------+--------+--------+
27 * +--------+--------+--------+--------+--------+--------+--------+--------+
29 * +--------+--------+--------+--------+--------+--------+--------+--------+
31 * +--------+--------+--------+--------+--------+--------+--------+--------+
33 * +--------+--------+--------+--------+--------+--------+--------+--------+
35 * +--------+--------+--------+--------+--------+--------+--------+--------+
[all …]
H A Dtsc200x-core.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * TSC2004/TSC2005 touchscreen driver core
5 * Copyright (C) 2006-2010 Nokia Corporation
16 #include <linux/input/touchscreen.h>
24 #include "tsc200x-core.h"
27 * The touchscreen interface operates as follows:
29 * 1) Pen is pressed against the touchscreen.
33 * 5) tsc200x_irq_thread() queues up a transfer to fetch the x, y, z1, z2
68 u16 x; member
85 /* raw copy of previous x,y,z */
[all …]
/openbmc/linux/arch/arm/boot/dts/ti/omap/
H A 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 …]
H A 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 …]
H A 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 …]
/openbmc/u-boot/arch/arm/dts/
H A Dam3517-som.dtsi4 * Based on am3517-evm.dts
14 cpu0-supply = <&vdd_core_reg>;
19 compatible = "regulator-fixed";
20 regulator-name = "wl1271_buf";
21 regulator-min-microvolt = <1800000>;
22 regulator-max-microvolt = <1800000>;
23 pinctrl-names = "default";
24 pinctrl-0 = <&wl12xx_buffer_pins>;
26 regulator-always-on;
27 vin-supply = <&vdd_1v8_reg>;
[all …]
H A Dlogicpd-som-lv.dtsi7 #include <dt-bindings/input/input.h>
12 cpu0-supply = <&vcc>;
22 compatible = "regulator-fixed";
23 regulator-name = "vwl1271";
24 regulator-min-microvolt = <1800000>;
25 regulator-max-microvolt = <1800000>;
27 startup-delay-us = <70000>;
28 enable-active-high;
29 vin-supply = <&vaux3>;
34 compatible = "usb-nop-xceiv";
[all …]
H A Dlogicpd-torpedo-baseboard.dtsi9 compatible = "gpio-keys";
10 pinctrl-names = "default";
11 pinctrl-0 = <&gpio_key_pins &gpio_key_pins_wkup>;
17 wakeup-source;
24 wakeup-source;
31 wakeup-source;
38 wakeup-source;
43 compatible = "ti,omap-twl4030";
49 compatible = "gpio-leds";
50 pinctrl-names = "default";
[all …]
/openbmc/linux/arch/arm/mach-omap1/
H A Dboard-nokia770.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-omap1/board-nokia770.c
5 * Modified from board-generic.c
24 #include <linux/platform_data/keypad-omap.h>
25 #include <linux/platform_data/lcd-mipid.h>
26 #include <linux/platform_data/gpio-omap.h>
28 #include <asm/mach-types.h>
44 .name = "gpio-0-15",
48 .name = "gpio-16-31",
95 .name = "omap-keypad",
[all …]
/openbmc/linux/arch/arm64/boot/dts/freescale/
H A 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 …]
H A 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 …]

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