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Diffstat (limited to 'Documentation')
6 files changed, 269 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/clps711x-keypad.txt b/Documentation/devicetree/bindings/input/clps711x-keypad.txt new file mode 100644 index 000000000000..e68d2bbc6c07 --- /dev/null +++ b/Documentation/devicetree/bindings/input/clps711x-keypad.txt @@ -0,0 +1,27 @@ +* Cirrus Logic CLPS711X matrix keypad device tree bindings + +Required Properties: +- compatible: Shall contain "cirrus,clps711x-keypad". +- row-gpios: List of GPIOs used as row lines. +- poll-interval: Poll interval time in milliseconds. +- linux,keymap: The definition can be found at + bindings/input/matrix-keymap.txt. + +Optional Properties: +- autorepeat: Enable autorepeat feature. + +Example: + keypad { + compatible = "cirrus,ep7312-keypad", "cirrus,clps711x-keypad"; + autorepeat; + poll-interval = <120>; + row-gpios = <&porta 0 0>, + <&porta 1 0>; + + linux,keymap = < + MATRIX_KEY(0, 0, KEY_UP) + MATRIX_KEY(0, 1, KEY_DOWN) + MATRIX_KEY(1, 0, KEY_LEFT) + MATRIX_KEY(1, 1, KEY_RIGHT) + >; + }; diff --git a/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt b/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt new file mode 100644 index 000000000000..7d8cb92831d7 --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-keypad.txt @@ -0,0 +1,89 @@ +Qualcomm PM8xxx PMIC Keypad + +PROPERTIES + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,pm8058-keypad" + "qcom,pm8921-keypad" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: address of keypad control register + +- interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: the first interrupt specifies the key sense interrupt + and the second interrupt specifies the key stuck interrupt. + The format of the specifier is defined by the binding + document describing the node's interrupt parent. + +- linux,keymap: + Usage: required + Value type: <prop-encoded-array> + Definition: the linux keymap. More information can be found in + input/matrix-keymap.txt. + +- linux,keypad-no-autorepeat: + Usage: optional + Value type: <bool> + Definition: don't enable autorepeat feature. + +- linux,keypad-wakeup: + Usage: optional + Value type: <bool> + Definition: use any event on keypad as wakeup event. + +- keypad,num-rows: + Usage: required + Value type: <u32> + Definition: number of rows in the keymap. More information can be found + in input/matrix-keymap.txt. + +- keypad,num-columns: + Usage: required + Value type: <u32> + Definition: number of columns in the keymap. More information can be + found in input/matrix-keymap.txt. + +- debounce: + Usage: optional + Value type: <u32> + Definition: time in microseconds that key must be pressed or release + for key sense interrupt to trigger. + +- scan-delay: + Usage: optional + Value type: <u32> + Definition: time in microseconds to pause between successive scans + of the matrix array. + +- row-hold: + Usage: optional + Value type: <u32> + Definition: time in nanoseconds to pause between scans of each row in + the matrix array. + +EXAMPLE + + keypad@148 { + compatible = "qcom,pm8921-keypad"; + reg = <0x148>; + interrupt-parent = <&pmicintc>; + interrupts = <74 1>, <75 1>; + linux,keymap = < + MATRIX_KEY(0, 0, KEY_VOLUMEUP) + MATRIX_KEY(0, 1, KEY_VOLUMEDOWN) + MATRIX_KEY(0, 2, KEY_CAMERA_FOCUS) + MATRIX_KEY(0, 3, KEY_CAMERA) + >; + keypad,num-rows = <1>; + keypad,num-columns = <5>; + debounce = <15>; + scan-delay = <32>; + row-hold = <91500>; + }; diff --git a/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt b/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt new file mode 100644 index 000000000000..588536cc96ed --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-pwrkey.txt @@ -0,0 +1,46 @@ +Qualcomm PM8xxx PMIC Power Key + +PROPERTIES + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,pm8058-pwrkey" + "qcom,pm8921-pwrkey" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: address of power key control register + +- interrupts: + Usage: required + Value type: <prop-encoded-array> + Definition: the first interrupt specifies the key release interrupt + and the second interrupt specifies the key press interrupt. + The format of the specifier is defined by the binding + document describing the node's interrupt parent. + +- debounce: + Usage: optional + Value type: <u32> + Definition: time in microseconds that key must be pressed or release + for state change interrupt to trigger. + +- pull-up: + Usage: optional + Value type: <empty> + Definition: presence of this property indicates that the KPDPWR_N pin + should be configured for pull up. + +EXAMPLE + + pwrkey@1c { + compatible = "qcom,pm8921-pwrkey"; + reg = <0x1c>; + interrupt-parent = <&pmicintc>; + interrupts = <50 1>, <51 1>; + debounce = <15625>; + pull-up; + }; diff --git a/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.txt b/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.txt new file mode 100644 index 000000000000..4ed467b1e402 --- /dev/null +++ b/Documentation/devicetree/bindings/input/qcom,pm8xxx-vib.txt @@ -0,0 +1,22 @@ +Qualcomm PM8xxx PMIC Vibrator + +PROPERTIES + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,pm8058-vib" + "qcom,pm8921-vib" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: address of vibration control register + +EXAMPLE + + vibrator@4a { + compatible = "qcom,pm8058-vib"; + reg = <0x4a>; + }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt new file mode 100644 index 000000000000..76db96704a60 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt @@ -0,0 +1,55 @@ +FocalTech EDT-FT5x06 Polytouch driver +===================================== + +There are 3 variants of the chip for various touch panel sizes +FT5206GE1 2.8" .. 3.8" +FT5306DE4 4.3" .. 7" +FT5406EE8 7" .. 8.9" + +The software interface is identical for all those chips, so that +currently there is no need for the driver to distinguish between the +different chips. Nevertheless distinct compatible strings are used so +that a distinction can be added if necessary without changing the DT +bindings. + + +Required properties: + - compatible: "edt,edt-ft5206" + or: "edt,edt-ft5306" + or: "edt,edt-ft5406" + + - reg: I2C slave address of the chip (0x38) + - interrupt-parent: a phandle pointing to the interrupt controller + serving the interrupt for this chip + - interrupts: interrupt specification for the touchdetect + interrupt + +Optional properties: + - reset-gpios: GPIO specification for the RESET input + - wake-gpios: GPIO specification for the WAKE input + + - pinctrl-names: should be "default" + - pinctrl-0: a phandle pointing to the pin settings for the + control gpios + + - threshold: allows setting the "click"-threshold in the range + from 20 to 80. + + - gain: allows setting the sensitivity in the range from 0 to + 31. Note that lower values indicate higher + sensitivity. + + - offset: allows setting the edge compensation in the range from + 0 to 31. + +Example: + polytouch: edt-ft5x06@38 { + compatible = "edt,edt-ft5406", "edt,edt-ft5x06"; + reg = <0x38>; + pinctrl-names = "default"; + pinctrl-0 = <&edt_ft5x06_pins>; + interrupt-parent = <&gpio2>; + interrupts = <5 0>; + reset-gpios = <&gpio2 6 1>; + wake-gpios = <&gpio4 9 0>; + }; diff --git a/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt b/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt new file mode 100644 index 000000000000..2faf1f1fa39e --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/zforce_ts.txt @@ -0,0 +1,30 @@ +* Neonode infrared touchscreen controller + +Required properties: +- compatible: must be "neonode,zforce" +- reg: I2C address of the chip +- interrupts: interrupt to which the chip is connected +- gpios: gpios the chip is connected to + first one is the interrupt gpio and second one the reset gpio +- x-size: horizontal resolution of touchscreen +- y-size: vertical resolution of touchscreen + +Example: + + i2c@00000000 { + /* ... */ + + zforce_ts@50 { + compatible = "neonode,zforce"; + reg = <0x50>; + interrupts = <2 0>; + + gpios = <&gpio5 6 0>, /* INT */ + <&gpio5 9 0>; /* RST */ + + x-size = <800>; + y-size = <600>; + }; + + /* ... */ + }; |