diff options
Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/ads7846.txt | 29 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/bu21013.txt | 27 |
2 files changed, 42 insertions, 14 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt b/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt index 04413da51391..81f6bda97d3c 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt @@ -32,7 +32,6 @@ Optional properties: (ADS7846). ti,keep-vref-on set to keep vref on for differential measurements as well - ti,swap-xy swap x and y axis ti,settle-delay-usec Settling time of the analog signals; a function of Vcc and the capacitance on the X/Y drivers. If set to non-zero, @@ -51,13 +50,6 @@ Optional properties: in Ohms (u16). ti,x-min Minimum value on the X axis (u16). ti,y-min Minimum value on the Y axis (u16). - ti,x-max Maximum value on the X axis (u16). - ti,y-max Minimum value on the Y axis (u16). - ti,pressure-min Minimum reported pressure value - (threshold) - u16. - ti,pressure-max Maximum reported pressure value (u16). - ti,debounce-max Max number of additional readings per - sample (u16). ti,debounce-tol Tolerance used for filtering (u16). ti,debounce-rep Additional consecutive good readings required after the first two (u16). @@ -67,7 +59,28 @@ Optional properties: line is connected to. wakeup-source use any event on touchscreen as wakeup event. (Legacy property support: "linux,wakeup") + touchscreen-size-x General touchscreen binding, see [1]. + touchscreen-size-y General touchscreen binding, see [1]. + touchscreen-max-pressure General touchscreen binding, see [1]. + touchscreen-min-pressure General touchscreen binding, see [1]. + touchscreen-average-samples General touchscreen binding, see [1]. + touchscreen-inverted-x General touchscreen binding, see [1]. + touchscreen-inverted-y General touchscreen binding, see [1]. + touchscreen-swapped-x-y General touchscreen binding, see [1]. + +[1] All general touchscreen properties are described in + Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt. +Deprecated properties: + + ti,swap-xy swap x and y axis + ti,x-max Maximum value on the X axis (u16). + ti,y-max Maximum value on the Y axis (u16). + ti,pressure-min Minimum reported pressure value + (threshold) - u16. + ti,pressure-max Maximum reported pressure value (u16). + ti,debounce-max Max number of additional readings per + sample (u16). Example for a TSC2046 chip connected to an McSPI controller of an OMAP SoC:: diff --git a/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt b/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt index 56d835242af2..da4c9d8b99b1 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/bu21013.txt @@ -2,11 +2,24 @@ Required properties: - compatible : "rohm,bu21013_tp" - - reg : I2C device address + - reg : I2C device address + - reset-gpios : GPIO pin enabling (selecting) chip (CS) + - interrupt-parent : the phandle for the gpio controller + - interrupts : (gpio) interrupt to which the chip is connected Optional properties: - - touch-gpio : GPIO pin registering a touch event + - touch-gpios : GPIO pin registering a touch event - <supply_name>-supply : Phandle to a regulator supply + - touchscreen-size-x : General touchscreen binding, see [1]. + - touchscreen-size-y : General touchscreen binding, see [1]. + - touchscreen-inverted-x : General touchscreen binding, see [1]. + - touchscreen-inverted-y : General touchscreen binding, see [1]. + - touchscreen-swapped-x-y : General touchscreen binding, see [1]. + +[1] All general touchscreen properties are described in + Documentation/devicetree/bindings/input/touchscreen/touchscreen.txt. + +Deprecated properties: - rohm,touch-max-x : Maximum outward permitted limit in the X axis - rohm,touch-max-y : Maximum outward permitted limit in the Y axis - rohm,flip-x : Flip touch coordinates on the X axis @@ -18,11 +31,13 @@ Example: bu21013_tp@5c { compatible = "rohm,bu21013_tp"; reg = <0x5c>; - touch-gpio = <&gpio2 20 0x4>; + interrupt-parent = <&gpio2>; + interrupts <&20 IRQ_TYPE_LEVEL_LOW>; + touch-gpio = <&gpio2 20 GPIO_ACTIVE_LOW>; avdd-supply = <&ab8500_ldo_aux1_reg>; - rohm,touch-max-x = <384>; - rohm,touch-max-y = <704>; - rohm,flip-y; + touchscreen-size-x = <384>; + touchscreen-size-y = <704>; + touchscreen-inverted-y; }; }; |