xref: /freebsd/sys/contrib/device-tree/Bindings/iio/adc/ti-ads7950.txt (revision cab6a39d7b343596a5823e65c0f7b426551ec22d)
1* Texas Instruments ADS7950 family of A/DC chips
2
3Required properties:
4 - compatible: Must be one of "ti,ads7950", "ti,ads7951", "ti,ads7952",
5   "ti,ads7953", "ti,ads7954", "ti,ads7955", "ti,ads7956", "ti,ads7957",
6   "ti,ads7958", "ti,ads7959", "ti,ads7960", or "ti,ads7961"
7 - reg: SPI chip select number for the device
8 - #io-channel-cells: Must be 1 as per ../iio-bindings.txt
9 - vref-supply: phandle to a regulator node that supplies the 2.5V or 5V
10   reference voltage
11
12Recommended properties:
13 - spi-max-frequency: Definition as per
14		Documentation/devicetree/bindings/spi/spi-bus.txt
15
16Example:
17adc@0 {
18	compatible = "ti,ads7957";
19	reg = <0>;
20	#io-channel-cells = <1>;
21	vref-supply = <&refin_supply>;
22	spi-max-frequency = <10000000>;
23};
24