* [PATCH v5 1/3] dt-bindings: input: add GPIO controllable vibrator @ 2019-04-26 19:47 Luca Weiss 2019-04-26 19:47 ` [PATCH v5 2/3] Input: add a driver for GPIO controllable vibrators Luca Weiss 2019-04-26 19:47 ` [PATCH v5 3/3] ARM: dts: msm8974-FP2: Add vibration motor Luca Weiss 0 siblings, 2 replies; 4+ messages in thread From: Luca Weiss @ 2019-04-26 19:47 UTC (permalink / raw) Cc: Dmitry Torokhov, Rob Herring, Mark Rutland, Mauro Carvalho Chehab, Pascal PAILLET-LME, Coly Li, Lee Jones, Xiaotong Lu, Brian Masney, Rob Herring, Baolin Wang, David Brown, open list:ARM/QUALCOMM SUPPORT, open list:INPUT (KEYBOARD, MOUSE, JOYSTICK , TOUCHSCREEN)..., open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, open list, Luca Weiss Provide a simple driver for GPIO controllable vibrators. It will be used by the Fairphone 2. Signed-off-by: Luca Weiss <luca@z3ntu.xyz> Reviewed-by: Rob Herring <robh@kernel.org> --- Changes for v5: - Simply compatible property definition - Remove reference to regulator schema .../bindings/input/gpio-vibrator.yaml | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/gpio-vibrator.yaml diff --git a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml new file mode 100644 index 000000000000..903475f52dbd --- /dev/null +++ b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bindings/input/gpio-vibrator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO vibrator + +maintainers: + - Luca Weiss <luca@z3ntu.xyz> + +description: |+ + Registers a GPIO device as vibrator, where the on/off capability is controlled by a GPIO. + +properties: + compatible: + const: gpio-vibrator + + enable-gpios: + maxItems: 1 + + vcc-supply: + description: Regulator that provides power + +required: + - compatible + - enable-gpios + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + vibrator { + compatible = "gpio-vibrator"; + enable-gpios = <&msmgpio 86 GPIO_ACTIVE_HIGH>; + vcc-supply = <&pm8941_l18>; + }; -- 2.21.0 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH v5 2/3] Input: add a driver for GPIO controllable vibrators 2019-04-26 19:47 [PATCH v5 1/3] dt-bindings: input: add GPIO controllable vibrator Luca Weiss @ 2019-04-26 19:47 ` Luca Weiss 2019-04-30 7:14 ` Dmitry Torokhov 2019-04-26 19:47 ` [PATCH v5 3/3] ARM: dts: msm8974-FP2: Add vibration motor Luca Weiss 1 sibling, 1 reply; 4+ messages in thread From: Luca Weiss @ 2019-04-26 19:47 UTC (permalink / raw) Cc: Dmitry Torokhov, Rob Herring, Mark Rutland, Mauro Carvalho Chehab, Pascal PAILLET-LME, Coly Li, Lee Jones, Xiaotong Lu, Brian Masney, Rob Herring, Baolin Wang, David Brown, open list:ARM/QUALCOMM SUPPORT, open list:INPUT (KEYBOARD, MOUSE, JOYSTICK , TOUCHSCREEN)..., open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, open list, Luca Weiss Provide a simple driver for GPIO controllable vibrators. It will be used by the Fairphone 2. Signed-off-by: Luca Weiss <luca@z3ntu.xyz> --- drivers/input/misc/Kconfig | 12 ++ drivers/input/misc/Makefile | 1 + drivers/input/misc/gpio-vibra.c | 209 ++++++++++++++++++++++++++++++++ 3 files changed, 222 insertions(+) create mode 100644 drivers/input/misc/gpio-vibra.c diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index e15ed1bb8558..6dfe9e2fe5b1 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -290,6 +290,18 @@ config INPUT_GPIO_DECODER To compile this driver as a module, choose M here: the module will be called gpio_decoder. +config INPUT_GPIO_VIBRA + tristate "GPIO vibrator support" + depends on GPIOLIB || COMPILE_TEST + select INPUT_FF_MEMLESS + help + Say Y here to get support for GPIO based vibrator devices. + + If unsure, say N. + + To compile this driver as a module, choose M here: the module will be + called gpio-vibra. + config INPUT_IXP4XX_BEEPER tristate "IXP4XX Beeper support" depends on ARCH_IXP4XX diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index b936c5b1d4ac..f38ebbdb05e2 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_INPUT_DRV2667_HAPTICS) += drv2667.o obj-$(CONFIG_INPUT_GP2A) += gp2ap002a00f.o obj-$(CONFIG_INPUT_GPIO_BEEPER) += gpio-beeper.o obj-$(CONFIG_INPUT_GPIO_DECODER) += gpio_decoder.o +obj-$(CONFIG_INPUT_GPIO_VIBRA) += gpio-vibra.o obj-$(CONFIG_INPUT_HISI_POWERKEY) += hisi_powerkey.o obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o obj-$(CONFIG_INPUT_IMS_PCU) += ims-pcu.o diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c new file mode 100644 index 000000000000..b76c81015de9 --- /dev/null +++ b/drivers/input/misc/gpio-vibra.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * GPIO vibrator driver + * + * Copyright (C) 2019 Luca Weiss <luca@z3ntu.xyz> + * + * Based on PWM vibrator driver: + * Copyright (C) 2017 Collabora Ltd. + * + * Based on previous work from: + * Copyright (C) 2012 Dmitry Torokhov <dmitry.torokhov@gmail.com> + * + * Based on PWM beeper driver: + * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> + */ + +#include <linux/gpio/consumer.h> +#include <linux/input.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/property.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> + +struct gpio_vibrator { + struct input_dev *input; + struct gpio_desc *gpio; + struct regulator *vcc; + + struct work_struct play_work; + bool running; + bool vcc_on; +}; + +static int gpio_vibrator_start(struct gpio_vibrator *vibrator) +{ + struct device *pdev = vibrator->input->dev.parent; + int err; + + if (!vibrator->vcc_on) { + err = regulator_enable(vibrator->vcc); + if (err) { + dev_err(pdev, "failed to enable regulator: %d\n", err); + return err; + } + vibrator->vcc_on = true; + } + + gpiod_set_value_cansleep(vibrator->gpio, 1); + + return 0; +} + +static void gpio_vibrator_stop(struct gpio_vibrator *vibrator) +{ + gpiod_set_value_cansleep(vibrator->gpio, 0); + + if (vibrator->vcc_on) { + regulator_disable(vibrator->vcc); + vibrator->vcc_on = false; + } +} + +static void gpio_vibrator_play_work(struct work_struct *work) +{ + struct gpio_vibrator *vibrator = + container_of(work, struct gpio_vibrator, play_work); + + if (vibrator->running) + gpio_vibrator_start(vibrator); + else + gpio_vibrator_stop(vibrator); +} + +static int gpio_vibrator_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct gpio_vibrator *vibrator = input_get_drvdata(dev); + + int level = effect->u.rumble.strong_magnitude; + + if (!level) + level = effect->u.rumble.weak_magnitude; + + if (level) + vibrator->running = true; + else + vibrator->running = false; + + schedule_work(&vibrator->play_work); + + return 0; +} + +static void gpio_vibrator_close(struct input_dev *input) +{ + struct gpio_vibrator *vibrator = input_get_drvdata(input); + + cancel_work_sync(&vibrator->play_work); + gpio_vibrator_stop(vibrator); + vibrator->running = false; +} + +static int gpio_vibrator_probe(struct platform_device *pdev) +{ + struct gpio_vibrator *vibrator; + int err; + + vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL); + if (!vibrator) + return -ENOMEM; + + vibrator->input = devm_input_allocate_device(&pdev->dev); + if (!vibrator->input) + return -ENOMEM; + + vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc"); + err = PTR_ERR_OR_ZERO(vibrator->vcc); + if (err) { + if (err != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to request regulator: %d\n", + err); + return err; + } + + vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW); + err = PTR_ERR_OR_ZERO(vibrator->gpio); + if (err) { + if (err != -EPROBE_DEFER) + dev_err(&pdev->dev, "Failed to request main gpio: %d\n", + err); + return err; + } + + INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work); + + vibrator->input->name = "gpio-vibrator"; + vibrator->input->id.bustype = BUS_HOST; + vibrator->input->close = gpio_vibrator_close; + + input_set_drvdata(vibrator->input, vibrator); + input_set_capability(vibrator->input, EV_FF, FF_RUMBLE); + + err = input_ff_create_memless(vibrator->input, NULL, + gpio_vibrator_play_effect); + if (err) { + dev_err(&pdev->dev, "Couldn't create FF dev: %d\n", err); + return err; + } + + err = input_register_device(vibrator->input); + if (err) { + dev_err(&pdev->dev, "Couldn't register input dev: %d\n", err); + return err; + } + + platform_set_drvdata(pdev, vibrator); + + return 0; +} + +static int __maybe_unused gpio_vibrator_suspend(struct device *dev) +{ + struct gpio_vibrator *vibrator = dev_get_drvdata(dev); + + cancel_work_sync(&vibrator->play_work); + if (vibrator->running) + gpio_vibrator_stop(vibrator); + + return 0; +} + +static int __maybe_unused gpio_vibrator_resume(struct device *dev) +{ + struct gpio_vibrator *vibrator = dev_get_drvdata(dev); + + if (vibrator->running) + gpio_vibrator_start(vibrator); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(gpio_vibrator_pm_ops, + gpio_vibrator_suspend, gpio_vibrator_resume); + +#ifdef CONFIG_OF +static const struct of_device_id gpio_vibra_dt_match_table[] = { + { .compatible = "gpio-vibrator" }, + {} +}; +MODULE_DEVICE_TABLE(of, gpio_vibra_dt_match_table); +#endif + +static struct platform_driver gpio_vibrator_driver = { + .probe = gpio_vibrator_probe, + .driver = { + .name = "gpio-vibrator", + .pm = &gpio_vibrator_pm_ops, + .of_match_table = of_match_ptr(gpio_vibra_dt_match_table), + }, +}; +module_platform_driver(gpio_vibrator_driver); + +MODULE_AUTHOR("Luca Weiss <luca@z3ntu.xy>"); +MODULE_DESCRIPTION("GPIO vibrator driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:gpio-vibrator"); -- 2.21.0 ^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH v5 2/3] Input: add a driver for GPIO controllable vibrators 2019-04-26 19:47 ` [PATCH v5 2/3] Input: add a driver for GPIO controllable vibrators Luca Weiss @ 2019-04-30 7:14 ` Dmitry Torokhov 0 siblings, 0 replies; 4+ messages in thread From: Dmitry Torokhov @ 2019-04-30 7:14 UTC (permalink / raw) To: Luca Weiss Cc: Rob Herring, Mark Rutland, Mauro Carvalho Chehab, Pascal PAILLET-LME, Coly Li, Lee Jones, Xiaotong Lu, Brian Masney, Rob Herring, Baolin Wang, David Brown, open list:ARM/QUALCOMM SUPPORT, open list:INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN)..., open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, open list On Fri, Apr 26, 2019 at 09:47:46PM +0200, Luca Weiss wrote: > Provide a simple driver for GPIO controllable vibrators. > It will be used by the Fairphone 2. > > Signed-off-by: Luca Weiss <luca@z3ntu.xyz> Applied, thank you. > --- > drivers/input/misc/Kconfig | 12 ++ > drivers/input/misc/Makefile | 1 + > drivers/input/misc/gpio-vibra.c | 209 ++++++++++++++++++++++++++++++++ > 3 files changed, 222 insertions(+) > create mode 100644 drivers/input/misc/gpio-vibra.c > > diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig > index e15ed1bb8558..6dfe9e2fe5b1 100644 > --- a/drivers/input/misc/Kconfig > +++ b/drivers/input/misc/Kconfig > @@ -290,6 +290,18 @@ config INPUT_GPIO_DECODER > To compile this driver as a module, choose M here: the module > will be called gpio_decoder. > > +config INPUT_GPIO_VIBRA > + tristate "GPIO vibrator support" > + depends on GPIOLIB || COMPILE_TEST > + select INPUT_FF_MEMLESS > + help > + Say Y here to get support for GPIO based vibrator devices. > + > + If unsure, say N. > + > + To compile this driver as a module, choose M here: the module will be > + called gpio-vibra. > + > config INPUT_IXP4XX_BEEPER > tristate "IXP4XX Beeper support" > depends on ARCH_IXP4XX > diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile > index b936c5b1d4ac..f38ebbdb05e2 100644 > --- a/drivers/input/misc/Makefile > +++ b/drivers/input/misc/Makefile > @@ -36,6 +36,7 @@ obj-$(CONFIG_INPUT_DRV2667_HAPTICS) += drv2667.o > obj-$(CONFIG_INPUT_GP2A) += gp2ap002a00f.o > obj-$(CONFIG_INPUT_GPIO_BEEPER) += gpio-beeper.o > obj-$(CONFIG_INPUT_GPIO_DECODER) += gpio_decoder.o > +obj-$(CONFIG_INPUT_GPIO_VIBRA) += gpio-vibra.o > obj-$(CONFIG_INPUT_HISI_POWERKEY) += hisi_powerkey.o > obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o > obj-$(CONFIG_INPUT_IMS_PCU) += ims-pcu.o > diff --git a/drivers/input/misc/gpio-vibra.c b/drivers/input/misc/gpio-vibra.c > new file mode 100644 > index 000000000000..b76c81015de9 > --- /dev/null > +++ b/drivers/input/misc/gpio-vibra.c > @@ -0,0 +1,209 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * GPIO vibrator driver > + * > + * Copyright (C) 2019 Luca Weiss <luca@z3ntu.xyz> > + * > + * Based on PWM vibrator driver: > + * Copyright (C) 2017 Collabora Ltd. > + * > + * Based on previous work from: > + * Copyright (C) 2012 Dmitry Torokhov <dmitry.torokhov@gmail.com> > + * > + * Based on PWM beeper driver: > + * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> > + */ > + > +#include <linux/gpio/consumer.h> > +#include <linux/input.h> > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/of_device.h> > +#include <linux/platform_device.h> > +#include <linux/property.h> > +#include <linux/regulator/consumer.h> > +#include <linux/slab.h> > + > +struct gpio_vibrator { > + struct input_dev *input; > + struct gpio_desc *gpio; > + struct regulator *vcc; > + > + struct work_struct play_work; > + bool running; > + bool vcc_on; > +}; > + > +static int gpio_vibrator_start(struct gpio_vibrator *vibrator) > +{ > + struct device *pdev = vibrator->input->dev.parent; > + int err; > + > + if (!vibrator->vcc_on) { > + err = regulator_enable(vibrator->vcc); > + if (err) { > + dev_err(pdev, "failed to enable regulator: %d\n", err); > + return err; > + } > + vibrator->vcc_on = true; > + } > + > + gpiod_set_value_cansleep(vibrator->gpio, 1); > + > + return 0; > +} > + > +static void gpio_vibrator_stop(struct gpio_vibrator *vibrator) > +{ > + gpiod_set_value_cansleep(vibrator->gpio, 0); > + > + if (vibrator->vcc_on) { > + regulator_disable(vibrator->vcc); > + vibrator->vcc_on = false; > + } > +} > + > +static void gpio_vibrator_play_work(struct work_struct *work) > +{ > + struct gpio_vibrator *vibrator = > + container_of(work, struct gpio_vibrator, play_work); > + > + if (vibrator->running) > + gpio_vibrator_start(vibrator); > + else > + gpio_vibrator_stop(vibrator); > +} > + > +static int gpio_vibrator_play_effect(struct input_dev *dev, void *data, > + struct ff_effect *effect) > +{ > + struct gpio_vibrator *vibrator = input_get_drvdata(dev); > + > + int level = effect->u.rumble.strong_magnitude; > + > + if (!level) > + level = effect->u.rumble.weak_magnitude; > + > + if (level) > + vibrator->running = true; > + else > + vibrator->running = false; > + > + schedule_work(&vibrator->play_work); > + > + return 0; > +} > + > +static void gpio_vibrator_close(struct input_dev *input) > +{ > + struct gpio_vibrator *vibrator = input_get_drvdata(input); > + > + cancel_work_sync(&vibrator->play_work); > + gpio_vibrator_stop(vibrator); > + vibrator->running = false; > +} > + > +static int gpio_vibrator_probe(struct platform_device *pdev) > +{ > + struct gpio_vibrator *vibrator; > + int err; > + > + vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL); > + if (!vibrator) > + return -ENOMEM; > + > + vibrator->input = devm_input_allocate_device(&pdev->dev); > + if (!vibrator->input) > + return -ENOMEM; > + > + vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc"); > + err = PTR_ERR_OR_ZERO(vibrator->vcc); > + if (err) { > + if (err != -EPROBE_DEFER) > + dev_err(&pdev->dev, "Failed to request regulator: %d\n", > + err); > + return err; > + } > + > + vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW); > + err = PTR_ERR_OR_ZERO(vibrator->gpio); > + if (err) { > + if (err != -EPROBE_DEFER) > + dev_err(&pdev->dev, "Failed to request main gpio: %d\n", > + err); > + return err; > + } > + > + INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work); > + > + vibrator->input->name = "gpio-vibrator"; > + vibrator->input->id.bustype = BUS_HOST; > + vibrator->input->close = gpio_vibrator_close; > + > + input_set_drvdata(vibrator->input, vibrator); > + input_set_capability(vibrator->input, EV_FF, FF_RUMBLE); > + > + err = input_ff_create_memless(vibrator->input, NULL, > + gpio_vibrator_play_effect); > + if (err) { > + dev_err(&pdev->dev, "Couldn't create FF dev: %d\n", err); > + return err; > + } > + > + err = input_register_device(vibrator->input); > + if (err) { > + dev_err(&pdev->dev, "Couldn't register input dev: %d\n", err); > + return err; > + } > + > + platform_set_drvdata(pdev, vibrator); > + > + return 0; > +} > + > +static int __maybe_unused gpio_vibrator_suspend(struct device *dev) > +{ > + struct gpio_vibrator *vibrator = dev_get_drvdata(dev); > + > + cancel_work_sync(&vibrator->play_work); > + if (vibrator->running) > + gpio_vibrator_stop(vibrator); > + > + return 0; > +} > + > +static int __maybe_unused gpio_vibrator_resume(struct device *dev) > +{ > + struct gpio_vibrator *vibrator = dev_get_drvdata(dev); > + > + if (vibrator->running) > + gpio_vibrator_start(vibrator); > + > + return 0; > +} > + > +static SIMPLE_DEV_PM_OPS(gpio_vibrator_pm_ops, > + gpio_vibrator_suspend, gpio_vibrator_resume); > + > +#ifdef CONFIG_OF > +static const struct of_device_id gpio_vibra_dt_match_table[] = { > + { .compatible = "gpio-vibrator" }, > + {} > +}; > +MODULE_DEVICE_TABLE(of, gpio_vibra_dt_match_table); > +#endif > + > +static struct platform_driver gpio_vibrator_driver = { > + .probe = gpio_vibrator_probe, > + .driver = { > + .name = "gpio-vibrator", > + .pm = &gpio_vibrator_pm_ops, > + .of_match_table = of_match_ptr(gpio_vibra_dt_match_table), > + }, > +}; > +module_platform_driver(gpio_vibrator_driver); > + > +MODULE_AUTHOR("Luca Weiss <luca@z3ntu.xy>"); > +MODULE_DESCRIPTION("GPIO vibrator driver"); > +MODULE_LICENSE("GPL"); > +MODULE_ALIAS("platform:gpio-vibrator"); > -- > 2.21.0 > -- Dmitry ^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH v5 3/3] ARM: dts: msm8974-FP2: Add vibration motor 2019-04-26 19:47 [PATCH v5 1/3] dt-bindings: input: add GPIO controllable vibrator Luca Weiss 2019-04-26 19:47 ` [PATCH v5 2/3] Input: add a driver for GPIO controllable vibrators Luca Weiss @ 2019-04-26 19:47 ` Luca Weiss 1 sibling, 0 replies; 4+ messages in thread From: Luca Weiss @ 2019-04-26 19:47 UTC (permalink / raw) Cc: Dmitry Torokhov, Rob Herring, Mark Rutland, Mauro Carvalho Chehab, Pascal PAILLET-LME, Coly Li, Lee Jones, Xiaotong Lu, Brian Masney, Rob Herring, Baolin Wang, David Brown, open list:ARM/QUALCOMM SUPPORT, open list:INPUT (KEYBOARD, MOUSE, JOYSTICK , TOUCHSCREEN)..., open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS, open list, Luca Weiss Add a node describing the vibration motor on the Fairphone 2. Signed-off-by: Luca Weiss <luca@z3ntu.xyz> --- arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts b/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts index 643c57f84818..bf402ae39226 100644 --- a/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts +++ b/arch/arm/boot/dts/qcom-msm8974-fairphone-fp2.dts @@ -50,6 +50,12 @@ }; }; + vibrator { + compatible = "gpio-vibrator"; + enable-gpios = <&msmgpio 86 GPIO_ACTIVE_HIGH>; + vcc-supply = <&pm8941_l18>; + }; + smd { rpm { rpm_requests { -- 2.21.0 ^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-04-30 7:15 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-04-26 19:47 [PATCH v5 1/3] dt-bindings: input: add GPIO controllable vibrator Luca Weiss 2019-04-26 19:47 ` [PATCH v5 2/3] Input: add a driver for GPIO controllable vibrators Luca Weiss 2019-04-30 7:14 ` Dmitry Torokhov 2019-04-26 19:47 ` [PATCH v5 3/3] ARM: dts: msm8974-FP2: Add vibration motor Luca Weiss
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