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| author | Sebastian Reichel <sre@kernel.org> | 2013-11-24 22:53:35 +0100 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2014-04-26 01:48:49 +0200 |
| commit | aaf16427c579911892d68c7ae9860815cdc756a1 (patch) | |
| tree | c73a1bd90f2cdeca8564dc8774c8f145b33226be | |
| parent | a9eea8214d113b336549b472f6aabac237bfd610 (diff) | |
| download | linux-aaf16427c579911892d68c7ae9860815cdc756a1.tar.bz2 | |
Documentation: dt: Document TSC2005 DT binding
Add devicetree binding documentation for TSC2005 touchscreen.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt new file mode 100644 index 000000000000..663f8ab96614 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2005.txt @@ -0,0 +1,39 @@ +* Texas Instruments tsc2005 touchscreen controller + +Required properties: + - compatible : "ti,tsc2005" + - reg : SPI device address + - spi-max-frequency : Maximal SPI speed + - interrupts : IRQ specifier + - reset-gpios : GPIO specifier + +Optional properties: + - ti,x-plate-ohms : integer, resistance of the touchscreen's X plates + in ohm (defaults to 280) + - ti,esd-recovery-timeout-ms : integer, if the touchscreen does not respond after + the configured time (in milli seconds), the driver + will reset it. This is disabled by default. + - properties defined in touchscreen.txt + +Example: + +&mcspi1 { + tsc2005@0 { + compatible = "ti,tsc2005"; + spi-max-frequency = <6000000>; + reg = <0>; + + reset-gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>; /* 104 */ + interrupts-extended = <&gpio4 4 IRQ_TYPE_NONE>; /* 100 */ + + touchscreen-fuzz-x = <4>; + touchscreen-fuzz-y = <7>; + touchscreen-fuzz-pressure = <2>; + touchscreen-max-x = <4096>; + touchscreen-max-y = <4096>; + touchscreen-max-pressure = <2048>; + + ti,x-plate-ohms = <280>; + ti,esd-recovery-timeout-ms = <8000>; + }; +} |