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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2016-01-06 17:31:06 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-01-06 17:31:06 -0800
commitefbc57c0e6a92083fce03927736f5d389182935b (patch)
tree2e900ae80abfd296a6f0c0c3a7e6c1ae95ae2705 /Documentation/devicetree/bindings/input/touchscreen
parent4b1af853646ca893fa686701d1605998fffcc82c (diff)
parent57c80e8e5d1cddae0651e5314394e6069ebbbe3c (diff)
Merge branch 'goodix' into next
Merge several improvements to Goodix touchscreen driver: - power management support - configuration upload - axis swapping and inversion
Diffstat (limited to 'Documentation/devicetree/bindings/input/touchscreen')
-rw-r--r--Documentation/devicetree/bindings/input/touchscreen/goodix.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
index 8ba98eec765b..c98757a69110 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
@@ -13,6 +13,17 @@ Required properties:
- interrupt-parent : Interrupt controller to which the chip is connected
- interrupts : Interrupt to which the chip is connected
+Optional properties:
+
+ - irq-gpios : GPIO pin used for IRQ. The driver uses the
+ interrupt gpio pin as output to reset the device.
+ - reset-gpios : GPIO pin used for reset
+
+ - touchscreen-inverted-x : X axis is inverted (boolean)
+ - touchscreen-inverted-y : Y axis is inverted (boolean)
+ - touchscreen-swapped-x-y : X and Y axis are swapped (boolean)
+ (swapping is done after inverting the axis)
+
Example:
i2c@00000000 {
@@ -23,6 +34,9 @@ Example:
reg = <0x5d>;
interrupt-parent = <&gpio>;
interrupts = <0 0>;
+
+ irq-gpios = <&gpio1 0 0>;
+ reset-gpios = <&gpio1 1 0>;
};
/* ... */