From: Andreas Dannenberg Date: Fri, 29 Jan 2016 19:03:00 +0000 (-0600) Subject: iio: light: opt3001: Add device tree binding documentation X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ea4570d6c29994017e09196d1f8077fb5942b676;p=linux-beck.git iio: light: opt3001: Add device tree binding documentation The original documentation as submitted with the driver appears to have dropped down a rabbit hole. Signed-off-by: Andreas Dannenberg Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/devicetree/bindings/iio/light/opt3001.txt b/Documentation/devicetree/bindings/iio/light/opt3001.txt new file mode 100644 index 000000000000..eac30d508849 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/opt3001.txt @@ -0,0 +1,26 @@ +* Texas Instruments OPT3001 Ambient Light Sensor + +The driver supports interrupt-driven and interrupt-less operation, depending +on whether an interrupt property has been populated into the DT. Note that +the optional generation of IIO events on rising/falling light threshold changes +requires the use of interrupts. Without interrupts, only the simple reading +of the current light value is supported through the IIO API. + +http://www.ti.com/product/opt3001 + +Required properties: + - compatible: should be "ti,opt3001" + - reg: the I2C address of the sensor + +Optional properties: + - interrupt-parent: should be the phandle for the interrupt controller + - interrupts: interrupt mapping for GPIO IRQ (configure for falling edge) + +Example: + +opt3001@44 { + compatible = "ti,opt3001"; + reg = <0x44>; + interrupt-parent = <&gpio1>; + interrupts = <28 IRQ_TYPE_EDGE_FALLING>; +};