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| author | Aleksei Mamlin <mamlinav@gmail.com> | 2015-03-07 03:43:38 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-03-07 04:18:17 +0300 |
| commit | 771d8f1b178e7e09fcc641fccd48852958dbc329 (patch) | |
| tree | dde9fadc552a07c0890f362e6939c455713b7ac7 /Documentation/devicetree | |
| parent | a7ac7c95d4682883d141c5d7a7544d2818f0a09f (diff) | |
| download | linux-771d8f1b178e7e09fcc641fccd48852958dbc329.tar.xz | |
Input: goodix - add device tree support
This change adds device tree support and binding information for Goodix
GT9xx series touchscreen controller. It also adds support for 5-finger
chips, like GT911 and GT912, which can be found on ARM tablets, such as
Wexler TAB7200 and MSI Primo73.
Datasheets can be found here:
https://drive.google.com/folderview?id=0BxCVOQS3ZymGfmJyY2RKbE5XbVlKNlktVTlwV0lxNEdxd2dzeWZER094cmJPVnMxN1F0Yzg&usp=sharing
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/goodix.txt | 29 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.txt | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt new file mode 100644 index 000000000000..8ba98eec765b --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt @@ -0,0 +1,29 @@ +Device tree bindings for Goodix GT9xx series touchscreen controller + +Required properties: + + - compatible : Should be "goodix,gt911" + or "goodix,gt9110" + or "goodix,gt912" + or "goodix,gt927" + or "goodix,gt9271" + or "goodix,gt928" + or "goodix,gt967" + - reg : I2C address of the chip. Should be 0x5d or 0x14 + - interrupt-parent : Interrupt controller to which the chip is connected + - interrupts : Interrupt to which the chip is connected + +Example: + + i2c@00000000 { + /* ... */ + + gt928@5d { + compatible = "goodix,gt928"; + reg = <0x5d>; + interrupt-parent = <&gpio>; + interrupts = <0 0>; + }; + + /* ... */ + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 96a17541391e..943ed01f9fe5 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -65,6 +65,7 @@ gef GE Fanuc Intelligent Platforms Embedded Systems, Inc. geniatech Geniatech, Inc. globalscale Globalscale Technologies, Inc. gmt Global Mixed-mode Technology, Inc. +goodix Shenzhen Huiding Technology Co., Ltd. google Google, Inc. gumstix Gumstix, Inc. gw Gateworks Corporation |