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Searched +full:pwm +full:- +full:beeper (Results 1 – 19 of 19) sorted by relevance

/linux/drivers/input/misc/
H A Dpwm-beeper.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
4 * PWM beeper driver
14 #include <linux/pwm.h>
20 struct pwm_device *pwm; member
31 static int pwm_beeper_on(struct pwm_beeper *beeper, unsigned long period) in pwm_beeper_on() argument
36 pwm_get_state(beeper->pwm, &state); in pwm_beeper_on()
42 error = pwm_apply_might_sleep(beeper->pwm, &state); in pwm_beeper_on()
46 if (!beeper->amplifier_on) { in pwm_beeper_on()
47 error = regulator_enable(beeper->amplifier); in pwm_beeper_on()
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H A Dpwm-vibra.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * PWM vibrator driver
10 * Based on PWM beeper driver:
11 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
21 #include <linux/pwm.h>
28 struct pwm_device *pwm; member
40 struct device *pdev = vibrator->input->dev.parent; in pwm_vibrator_start()
44 if (!vibrator->vcc_on) { in pwm_vibrator_start()
45 err = regulator_enable(vibrator->vcc); in pwm_vibrator_start()
50 vibrator->vcc_on = true; in pwm_vibrator_start()
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H A Dgpio-vibra.c1 // SPDX-License-Identifier: GPL-2.0+
7 * Based on PWM vibrator driver:
13 * Based on PWM beeper driver:
14 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
39 struct device *pdev = vibrator->input->dev.parent; in gpio_vibrator_start()
42 if (!vibrator->vcc_on) { in gpio_vibrator_start()
43 err = regulator_enable(vibrator->vcc); in gpio_vibrator_start()
48 vibrator->vcc_on = true; in gpio_vibrator_start()
51 gpiod_set_value_cansleep(vibrator->gpio, 1); in gpio_vibrator_start()
58 gpiod_set_value_cansleep(vibrator->gpio, 0); in gpio_vibrator_stop()
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/linux/Documentation/devicetree/bindings/input/
H A Dpwm-beeper.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/pwm-beeper.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: PWM beeper
10 - Sascha Hauer <s.hauer@pengutronix.de>
14 const: pwm-beeper
19 amp-supply:
20 description: an amplifier for the beeper
22 beeper-hz:
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/linux/arch/arm/boot/dts/intel/ixp/
H A Dintel-ixp42x-linksys-nslu2.dts1 // SPDX-License-Identifier: ISC
6 /dts-v1/;
8 #include "intel-ixp42x.dtsi"
9 #include <dt-bindings/input/input.h>
14 #address-cells = <1>;
15 #size-cells = <1>;
25 stdout-path = "uart0:115200n8";
33 compatible = "gpio-leds";
34 led-status {
37 default-state = "on";
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/linux/Documentation/driver-api/gpio/
H A Ddrivers-on-gpio.rst6 the right in-kernel and userspace APIs/ABIs for the job, and that these
10 - leds-gpio: drivers/leds/leds-gpio.c will handle LEDs connected to GPIO
13 - ledtrig-gpio: drivers/leds/trigger/ledtrig-gpio.c will provide a LED trigger,
15 (and that LED may in turn use the leds-gpio as per above).
17 - gpio-keys: drivers/input/keyboard/gpio_keys.c is used when your GPIO line
20 - gpio-keys-polled: drivers/input/keyboard/gpio_keys_polled.c is used when your
24 - gpio_mouse: drivers/input/mouse/gpio_mouse.c is used to provide a mouse with
29 - gpio-beeper: drivers/input/misc/gpio-beeper.c is used to provide a beep from
31 off/on, for an actual PWM waveform, see pwm-gpio below.)
33 - pwm-gpio: drivers/pwm/pwm-gpio.c is used to toggle a GPIO with a high
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/linux/arch/arm/boot/dts/nxp/mxs/
H A Dimx28-amarula-rmm.dts1 // SPDX-License-Identifier: GPL-2.0
6 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
13 compatible = "amarula,imx28-rmm", "fsl,imx28";
22 compatible = "pwm-backlight";
23 pwms = <&pwm 4 5000000 0>;
24 brightness-levels = <0 255>;
25 num-interpolated-steps = <255>;
26 default-brightness-level = <255>;
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/linux/arch/arm64/boot/dts/freescale/
H A Dmba8mx.dtsi1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Copyright 2020-2021 TQ-Systems GmbH
6 #include <dt-bindings/net/ti-dp83867.h>
8 /* TQ-Systems GmbH MBa8Mx baseboard */
12 compatible = "pwm-backlight";
14 brightness-levels = <0 4 8 16 32 64 128 255>;
15 default-brightness-level = <7>;
16 power-supply = <&reg_12v>;
17 enable-gpios = <&expander2 2 GPIO_ACTIVE_HIGH>;
21 beeper {
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6ul-kontron-bl-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
11 gpio-leds {
12 compatible = "gpio-leds";
13 pinctrl-names = "default";
14 pinctrl-0 = <&pinctrl_gpio_leds>;
17 label = "debug-led1";
19 default-state = "off";
20 linux,default-trigger = "heartbeat";
24 label = "debug-led2";
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H A Dimx6ull-engicam-microgea-bmm.dts1 // SPDX-License-Identifier: GPL-2.0
7 /dts-v1/;
9 #include "imx6ull-engicam-microgea.dtsi"
12 compatible = "engicam,microgea-imx6ull-bmm",
13 "engicam,microgea-imx6ull", "fsl,imx6ull";
17 compatible = "pwm-backlight";
18 brightness-levels = <0 100>;
19 num-interpolated-steps = <100>;
20 default-brightness-level = <85>;
25 compatible = "pwm-beeper";
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/linux/arch/arm/boot/dts/marvell/
H A Darmada-370-c200-v2.dts1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
3 * Device Tree file for Ctera C200-V2
8 /dts-v1/;
10 #include "armada-370.dtsi"
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/thermal/thermal.h>
14 #include <dt-bindings/leds/common.h>
18 compatible = "ctera,c200-v2", "marvell,armada370", "marvell,armada-370-xp";
22 stdout-path = "serial0:115200n8";
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos4412-itop-elite.dts1 // SPDX-License-Identifier: GPL-2.0
13 /dts-v1/;
14 #include <dt-bindings/leds/common.h>
15 #include <dt-bindings/pwm/pwm.h>
16 #include <dt-bindings/sound/samsung-i2s.h>
17 #include "exynos4412-itop-scp-core.dtsi"
21 compatible = "topeet,itop4412-elite", "samsung,exynos4412", "samsung,exynos4";
29 stdout-path = "serial2:115200n8";
33 compatible = "gpio-leds";
39 default-state = "off";
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H A Ds3c6410-mini6410.dts1 // SPDX-License-Identifier: GPL-2.0
11 /dts-v1/;
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/interrupt-controller/irq.h>
31 fin_pll: oscillator-0 {
32 compatible = "fixed-clock";
33 clock-frequency = <12000000>;
34 clock-output-names = "fin_pll";
35 #clock-cells = <0>;
38 xusbxti: oscillator-1 {
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/linux/drivers/leds/
H A Dleds-pca9532.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * pca9532.c - 16-bit Led dimmer
18 #include <linux/leds-pca9532.h>
54 u8 pwm[2]; member
108 .name = "leds-pca953x",
116 /* We have two pwm/blinkers, but 16 possible leds to drive. Additionally,
117 * the clever Thecus people are using one pwm to drive the beeper. So,
118 * as a compromise we average one pwm to the values requested by all
121 static int pca9532_calcpwm(struct i2c_client *client, int pwm, int blink, in pca9532_calcpwm() argument
126 for (i = 0; i < data->chip_info->num_leds; i++) { in pca9532_calcpwm()
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/linux/arch/arm64/boot/dts/rockchip/
H A Dpx30-cobra.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/pinctrl/rockchip.h>
20 stdout-path = "serial5:115200n8";
24 compatible = "pwm-backlight";
25 power-supply = <&vcc5v0_sys>;
29 beeper {
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H A Drk3588-friendlyelec-cm3588-nas.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
9 /dts-v1/;
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/pinctrl/rockchip.h>
14 #include <dt-bindings/soc/rockchip,vop2.h>
15 #include <dt-bindings/usb/pd.h>
16 #include "rk3588-friendlyelec-cm3588.dtsi"
20 compatible = "friendlyarm,cm3588-nas", "friendlyarm,cm3588", "rockchip,rk3588";
22 adc_key_recovery: adc-key-recovery {
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H A Dpx30-pp1516.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/pinctrl/rockchip.h>
18 stdout-path = "serial5:115200n8";
22 compatible = "pwm-backlight";
23 power-supply = <&vcc5v0_sys>;
27 beeper {
28 compatible = "pwm-beeper";
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/linux/arch/arm/boot/dts/ti/davinci/
H A Dda850-lego-ev3.dts1 // SPDX-License-Identifier: GPL-2.0-only
8 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h>
10 #include <dt-bindings/input/linux-event-codes.h>
11 #include <dt-bindings/pwm/pwm.h>
32 compatible = "gpio-keys";
34 pinctrl-names = "default";
35 pinctrl-0 = <&button_bias>;
75 * The EV3 has two built-in bi-color LEDs behind the buttons.
78 compatible = "gpio-leds";
[all …]
/linux/arch/arm/boot/dts/ti/omap/
H A Dam437x-gp-evm.dts1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
8 /dts-v1/;
11 #include <dt-bindings/pinctrl/am43xx.h>
12 #include <dt-bindings/pwm/pwm.h>
13 #include <dt-bindings/gpio/gpio.h>
17 compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";
24 stdout-path = &uart0;
27 evm_v3_3d: fixedregulator-v3_3d {
28 compatible = "regulator-fixed";
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