1*4882a593SmuzhiyunDevice tree bindings for IR LED connected through SPI bus which is used as 2*4882a593Smuzhiyunremote controller. 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunThe IR LED switch is connected to the MOSI line of the SPI device and the data 5*4882a593Smuzhiyunare delivered thourgh that. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunRequired properties: 8*4882a593Smuzhiyun - compatible: should be "ir-spi-led". 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunOptional properties: 11*4882a593Smuzhiyun - duty-cycle: 8 bit value that represents the percentage of one period 12*4882a593Smuzhiyun in which the signal is active. It can be 50, 60, 70, 75, 80 or 90. 13*4882a593Smuzhiyun - led-active-low: boolean value that specifies whether the output is 14*4882a593Smuzhiyun negated with a NOT gate. 15*4882a593Smuzhiyun - power-supply: specifies the power source. It can either be a regulator 16*4882a593Smuzhiyun or a gpio which enables a regulator, i.e. a regulator-fixed as 17*4882a593Smuzhiyun described in 18*4882a593Smuzhiyun Documentation/devicetree/bindings/regulator/fixed-regulator.yaml 19*4882a593Smuzhiyun 20*4882a593SmuzhiyunExample: 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun irled@0 { 23*4882a593Smuzhiyun compatible = "ir-spi-led"; 24*4882a593Smuzhiyun reg = <0x0>; 25*4882a593Smuzhiyun spi-max-frequency = <5000000>; 26*4882a593Smuzhiyun power-supply = <&vdd_led>; 27*4882a593Smuzhiyun led-active-low; 28*4882a593Smuzhiyun duty-cycle = /bits/ 8 <60>; 29*4882a593Smuzhiyun }; 30