[PATCH 4/4] dt-bindings: input: Add documentation for gp2a sensor
From: Paweł Chmiel <hidden>
Date: 2019-01-25 17:51:04
Also in:
linux-devicetree, lkml
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: Jonathan Bakker <redacted> This commit adds documentation for Sharp GP2AP002A00F. It's Proximity/Opto Sensor connected over i2c. Signed-off-by: Jonathan Bakker <redacted> Signed-off-by: Paweł Chmiel <redacted> --- .../bindings/input/sharp,gp2ap002a00f.txt | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/sharp,gp2ap002a00f.txt
diff --git a/Documentation/devicetree/bindings/input/sharp,gp2ap002a00f.txt b/Documentation/devicetree/bindings/input/sharp,gp2ap002a00f.txt
new file mode 100644
index 000000000000..c524eb7d3d60
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/sharp,gp2ap002a00f.txt@@ -0,0 +1,29 @@ +* Sharp GP2AP002A00F I2C Proximity/Opto Sensor + +Required properties: +- compatible : Should be "sharp,gp2ap002a00f" +- reg : The I2C address of the sensor +- vout-gpio : The gpio connected to the vout pin +- interrupt-parent : should be the phandle for the interrupt controller +- interrupts : Interrupt mapping for GPIO IRQ, it should by configured with + flags IRQ_TYPE_EDGE_BOTH + +Optional properties: +- wakeup : If the device is capable of waking up the system +- io-channels : Phandle to an ADC channel connected to the light sensor +- io-channel-names = "light"; +- poll-interval : Poll interval time in milliseconds, default 500ms +- light-adc-max : Maximum light value reported, default 4096 +- light-adc-fuzz : Fuzz value for reported light value, default 80 + +Example: + +gp2a@44 { + compatible = "sharp,gp2ap002a00f"; + reg = <0x44>; + vout-gpio = <&gph0 2 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&gph0>; + interrupts = <2 IRQ_TYPE_EDGE_BOTH>; + io-channels = <&adc 9>; + io-channel-names = "light"; +};
--
2.17.1