[PATCH v5 2/2] dt-bindings: input/touchscreen: add bindings for zinitix
From: <hidden>
Date: 2020-09-28 09:13:57
Also in:
linux-devicetree
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Dmitry Torokhov, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Michael Srba <redacted> This patch adds dts bindings for the zinitix bt541 touchscreen. Signed-off-by: Michael Srba <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- changes in v2: none changes in v3: document zinitix,mode property changes in v4: none changes in v5: none .../bindings/input/touchscreen/zinitix.txt | 40 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 42 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/touchscreen/zinitix.txt
diff --git a/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt b/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt
new file mode 100644
index 000000000000..446efb9f5f55
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/touchscreen/zinitix.txt@@ -0,0 +1,40 @@ +Device tree bindings for Zinitx BT541 touchscreen controller + +Required properties: + + - compatible : Should be "zinitix,bt541" + - reg : I2C address of the chip. Should be 0x20 + - interrupts : Interrupt to which the chip is connected + +Optional properties: + + - vdd-supply : Analog power supply regulator on VCCA pin + - vddo-supply : Digital power supply regulator on VDD pin + - zinitix,mode : Mode of reporting touch points. Some modes may not work + with a particular ts firmware for unknown reasons. Available + modes are 1 and 2. Mode 2 is the default and preferred. + +The touchscreen-* properties are documented in touchscreen.txt in this +directory. + +Example: + + i2c@00000000 { + /* ... */ + + bt541@20 { + compatible = "zinitix,bt541"; + reg = <0x20>; + interrupt-parent = <&msmgpio>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + pinctrl-names = "default"; + pinctrl-0 = <&tsp_default>; + vdd-supply = <®_vdd_tsp>; + vddo-supply = <&pm8916_l6>; + touchscreen-size-x = <540>; + touchscreen-size-y = <960>; + zinitix,mode = <2>; + }; + + /* ... */ + };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 967e78c5ec0a..1b0b5e23267d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml@@ -1066,6 +1066,8 @@ patternProperties: description: Shenzhen Zidoo Technology Co., Ltd. "^zii,.*": description: Zodiac Inflight Innovations + "^zinitix,.*": + description: Zinitix Co., Ltd "^zte,.*": description: ZTE Corp. "^zyxel,.*":
--
2.24.0