From: Andi Shyti Date: Sun, 18 Dec 2016 11:11:37 +0000 (-0200) Subject: [media] Documentation: bindings: add documentation for ir-spi device driver X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=182c2909e22d8a3ec39f8a4530fa19867cbd989b;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [media] Documentation: bindings: add documentation for ir-spi device driver Document the ir-spi driver's binding which is a IR led driven through the SPI line. Signed-off-by: Andi Shyti Acked-by: Rob Herring Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab --- diff --git a/Documentation/devicetree/bindings/leds/irled/spi-ir-led.txt b/Documentation/devicetree/bindings/leds/irled/spi-ir-led.txt new file mode 100644 index 000000000000..896b6997cf30 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/irled/spi-ir-led.txt @@ -0,0 +1,29 @@ +Device tree bindings for IR LED connected through SPI bus which is used as +remote controller. + +The IR LED switch is connected to the MOSI line of the SPI device and the data +are delivered thourgh that. + +Required properties: + - compatible: should be "ir-spi-led". + +Optional properties: + - duty-cycle: 8 bit balue that represents the percentage of one period + in which the signal is active. It can be 50, 60, 70, 75, 80 or 90. + - led-active-low: boolean value that specifies whether the output is + negated with a NOT gate. + - power-supply: specifies the power source. It can either be a regulator + or a gpio which enables a regulator, i.e. a regulator-fixed as + described in + Documentation/devicetree/bindings/regulator/fixed-regulator.txt + +Example: + + irled@0 { + compatible = "ir-spi-led"; + reg = <0x0>; + spi-max-frequency = <5000000>; + power-supply = <&vdd_led>; + led-active-low; + duty-cycle = /bits/ 8 <60>; + };