xref: /freebsd/sys/contrib/device-tree/Bindings/iio/adc/ti-ads7950.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot* Texas Instruments ADS7950 family of A/DC chips
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotRequired properties:
4*c66ec88fSEmmanuel Vadot - compatible: Must be one of "ti,ads7950", "ti,ads7951", "ti,ads7952",
5*c66ec88fSEmmanuel Vadot   "ti,ads7953", "ti,ads7954", "ti,ads7955", "ti,ads7956", "ti,ads7957",
6*c66ec88fSEmmanuel Vadot   "ti,ads7958", "ti,ads7959", "ti,ads7960", or "ti,ads7961"
7*c66ec88fSEmmanuel Vadot - reg: SPI chip select number for the device
8*c66ec88fSEmmanuel Vadot - #io-channel-cells: Must be 1 as per ../iio-bindings.txt
9*c66ec88fSEmmanuel Vadot - vref-supply: phandle to a regulator node that supplies the 2.5V or 5V
10*c66ec88fSEmmanuel Vadot   reference voltage
11*c66ec88fSEmmanuel Vadot
12*c66ec88fSEmmanuel VadotRecommended properties:
13*c66ec88fSEmmanuel Vadot - spi-max-frequency: Definition as per
14*c66ec88fSEmmanuel Vadot		Documentation/devicetree/bindings/spi/spi-bus.txt
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel VadotExample:
17*c66ec88fSEmmanuel Vadotadc@0 {
18*c66ec88fSEmmanuel Vadot	compatible = "ti,ads7957";
19*c66ec88fSEmmanuel Vadot	reg = <0>;
20*c66ec88fSEmmanuel Vadot	#io-channel-cells = <1>;
21*c66ec88fSEmmanuel Vadot	vref-supply = <&refin_supply>;
22*c66ec88fSEmmanuel Vadot	spi-max-frequency = <10000000>;
23*c66ec88fSEmmanuel Vadot};
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