diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/mms114.txt | 35 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt | 2 | ||||
-rw-r--r-- | Documentation/gpio/drivers-on-gpio.txt | 5 | ||||
-rw-r--r-- | Documentation/input/devices/gpio-tilt.rst | 103 | ||||
-rw-r--r-- | Documentation/input/devices/rotary-encoder.rst | 6 | ||||
-rw-r--r-- | Documentation/input/ff.rst | 6 |
6 files changed, 29 insertions, 128 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/mms114.txt b/Documentation/devicetree/bindings/input/touchscreen/mms114.txt index 89d4c56c5671..2cd954051d29 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/mms114.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/mms114.txt @@ -1,17 +1,23 @@ -* MELFAS MMS114 touchscreen controller +* MELFAS MMS114/MMS152 touchscreen controller Required properties: -- compatible: must be "melfas,mms114" +- compatible: should be one of: + - "melfas,mms114" + - "melfas,mms152" - reg: I2C address of the chip - interrupts: interrupt to which the chip is connected -- x-size: horizontal resolution of touchscreen -- y-size: vertical resolution of touchscreen +- touchscreen-size-x: See [1] +- touchscreen-size-y: See [1] Optional properties: -- contact-threshold: -- moving-threshold: -- x-invert: invert X axis -- y-invert: invert Y axis +- touchscreen-fuzz-x: See [1] +- touchscreen-fuzz-y: See [1] +- touchscreen-fuzz-pressure: See [1] +- touchscreen-inverted-x: See [1] +- touchscreen-inverted-y: See [1] +- touchscreen-swapped-x-y: See [1] + +[1]: Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt Example: @@ -22,12 +28,13 @@ Example: compatible = "melfas,mms114"; reg = <0x48>; interrupts = <39 0>; - x-size = <720>; - y-size = <1280>; - contact-threshold = <10>; - moving-threshold = <10>; - x-invert; - y-invert; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + touchscreen-fuzz-x = <10>; + touchscreen-fuzz-y = <10>; + touchscreen-fuzz-pressure = <10>; + touchscreen-inverted-x; + touchscreen-inverted-y; }; /* ... */ diff --git a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt index 6aa625e0cb8d..84752de12412 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt @@ -23,6 +23,8 @@ Optional properties: - touchscreen-inverted-y : See touchscreen.txt - touchscreen-swapped-x-y : See touchscreen.txt - silead,max-fingers : maximum number of fingers the touchscreen can detect +- silead,home-button : Boolean, set to true on devices which have a + capacitive home-button build into the touchscreen - vddio-supply : regulator phandle for controller VDDIO - avdd-supply : regulator phandle for controller AVDD diff --git a/Documentation/gpio/drivers-on-gpio.txt b/Documentation/gpio/drivers-on-gpio.txt index 9a78d385b92e..a2ccbab12eb7 100644 --- a/Documentation/gpio/drivers-on-gpio.txt +++ b/Documentation/gpio/drivers-on-gpio.txt @@ -28,11 +28,6 @@ hardware descriptions such as device tree or ACPI: - gpio-beeper: drivers/input/misc/gpio-beeper.c is used to provide a beep from an external speaker connected to a GPIO line. -- gpio-tilt-polled: drivers/input/misc/gpio_tilt_polled.c provides tilt - detection switches using GPIO, which is useful for your homebrewn pinball - machine if for nothing else. It can detect different tilt angles of the - monitored object. - - extcon-gpio: drivers/extcon/extcon-gpio.c is used when you need to read an external connector status, such as a headset line for an audio driver or an HDMI connector. It will provide a better userspace sysfs interface than GPIO. diff --git a/Documentation/input/devices/gpio-tilt.rst b/Documentation/input/devices/gpio-tilt.rst deleted file mode 100644 index fa6e64570aa7..000000000000 --- a/Documentation/input/devices/gpio-tilt.rst +++ /dev/null @@ -1,103 +0,0 @@ -Driver for tilt-switches connected via GPIOs -============================================ - -Generic driver to read data from tilt switches connected via gpios. -Orientation can be provided by one or more than one tilt switches, -i.e. each tilt switch providing one axis, and the number of axes -is also not limited. - - -Data structures ---------------- - -The array of struct gpio in the gpios field is used to list the gpios -that represent the current tilt state. - -The array of struct gpio_tilt_axis describes the axes that are reported -to the input system. The values set therein are used for the -input_set_abs_params calls needed to init the axes. - -The array of struct gpio_tilt_state maps gpio states to the corresponding -values to report. The gpio state is represented as a bitfield where the -bit-index corresponds to the index of the gpio in the struct gpio array. -In the same manner the values stored in the axes array correspond to -the elements of the gpio_tilt_axis-array. - - -Example -------- - -Example configuration for a single TS1003 tilt switch that rotates around -one axis in 4 steps and emits the current tilt via two GPIOs:: - - static int sg060_tilt_enable(struct device *dev) { - /* code to enable the sensors */ - }; - - static void sg060_tilt_disable(struct device *dev) { - /* code to disable the sensors */ - }; - - static struct gpio sg060_tilt_gpios[] = { - { SG060_TILT_GPIO_SENSOR1, GPIOF_IN, "tilt_sensor1" }, - { SG060_TILT_GPIO_SENSOR2, GPIOF_IN, "tilt_sensor2" }, - }; - - static struct gpio_tilt_state sg060_tilt_states[] = { - { - .gpios = (0 << 1) | (0 << 0), - .axes = (int[]) { - 0, - }, - }, { - .gpios = (0 << 1) | (1 << 0), - .axes = (int[]) { - 1, /* 90 degrees */ - }, - }, { - .gpios = (1 << 1) | (1 << 0), - .axes = (int[]) { - 2, /* 180 degrees */ - }, - }, { - .gpios = (1 << 1) | (0 << 0), - .axes = (int[]) { - 3, /* 270 degrees */ - }, - }, - }; - - static struct gpio_tilt_axis sg060_tilt_axes[] = { - { - .axis = ABS_RY, - .min = 0, - .max = 3, - .fuzz = 0, - .flat = 0, - }, - }; - - static struct gpio_tilt_platform_data sg060_tilt_pdata= { - .gpios = sg060_tilt_gpios, - .nr_gpios = ARRAY_SIZE(sg060_tilt_gpios), - - .axes = sg060_tilt_axes, - .nr_axes = ARRAY_SIZE(sg060_tilt_axes), - - .states = sg060_tilt_states, - .nr_states = ARRAY_SIZE(sg060_tilt_states), - - .debounce_interval = 100, - - .poll_interval = 1000, - .enable = sg060_tilt_enable, - .disable = sg060_tilt_disable, - }; - - static struct platform_device sg060_device_tilt = { - .name = "gpio-tilt-polled", - .id = -1, - .dev = { - .platform_data = &sg060_tilt_pdata, - }, - }; diff --git a/Documentation/input/devices/rotary-encoder.rst b/Documentation/input/devices/rotary-encoder.rst index b07b20a295ac..810ae02bdaa0 100644 --- a/Documentation/input/devices/rotary-encoder.rst +++ b/Documentation/input/devices/rotary-encoder.rst @@ -108,9 +108,9 @@ example below: }; static const struct property_entry rotary_encoder_properties[] __initconst = { - PROPERTY_ENTRY_INTEGER("rotary-encoder,steps-per-period", u32, 24), - PROPERTY_ENTRY_INTEGER("linux,axis", u32, ABS_X), - PROPERTY_ENTRY_INTEGER("rotary-encoder,relative_axis", u32, 0), + PROPERTY_ENTRY_U32("rotary-encoder,steps-per-period", 24), + PROPERTY_ENTRY_U32("linux,axis", ABS_X), + PROPERTY_ENTRY_U32("rotary-encoder,relative_axis", 0), { }, }; diff --git a/Documentation/input/ff.rst b/Documentation/input/ff.rst index 26d461998e08..0c02e87ee86d 100644 --- a/Documentation/input/ff.rst +++ b/Documentation/input/ff.rst @@ -31,7 +31,7 @@ To enable force feedback, you have to: Before you start, let me WARN you that some devices shake violently during the initialisation phase. This happens for example with my "AVB Top Shot Pegasus". -To stop this annoying behaviour, move you joystick to its limits. Anyway, you +To stop this annoying behaviour, move your joystick to its limits. Anyway, you should keep a hand on your device, in order to avoid it to break down if something goes wrong. @@ -121,7 +121,7 @@ uploaded, but not played. The content of effect may be modified. In particular, its field "id" is set to the unique id assigned by the driver. This data is required for performing some operations (removing an effect, controlling the playback). -This if field must be set to -1 by the user in order to tell the driver to +The "id" field must be set to -1 by the user in order to tell the driver to allocate a new effect. Effects are file descriptor specific. @@ -178,7 +178,7 @@ Control of playing is done with write(). Below is an example: stop.code = effect.id; stop.value = 0; - write(fd, (const void*) &play, sizeof(stop)); + write(fd, (const void*) &stop, sizeof(stop)); Setting the gain ---------------- |