From d1071f726a7640ce0525d1868844bbb107e9e43a Mon Sep 17 00:00:00 2001 From: Marcus Folkesson Date: Tue, 21 Aug 2018 21:31:25 +0200 Subject: [PATCH] dt-bindings: iio: dac: add bindings for ltc1660 LTC1665/LTC1660 is a 8/10-bit Digital-to-Analog Converter (DAC) with eight individual channels. Signed-off-by: Marcus Folkesson Reviewed-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../devicetree/bindings/iio/dac/ltc1660.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/dac/ltc1660.txt diff --git a/Documentation/devicetree/bindings/iio/dac/ltc1660.txt b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt new file mode 100644 index 0000000..c5b5f22 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt @@ -0,0 +1,21 @@ +* Linear Technology Micropower octal 8-Bit and 10-Bit DACs + +Required properties: + - compatible: Must be one of the following: + "lltc,ltc1660" + "lltc,ltc1665" + - reg: SPI chip select number for the device + - vref-supply: Phandle to the voltage reference supply + +Recommended properties: + - spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt. + Max frequency for this chip is 5 MHz. + +Example: +dac@0 { + compatible = "lltc,ltc1660"; + reg = <0>; + spi-max-frequency = <5000000>; + vref-supply = <&vref_reg>; +}; -- 2.7.4