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author | Marcus Folkesson <marcus.folkesson@gmail.com> | 2018-08-21 22:31:25 +0300 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-08-25 11:26:18 +0300 |
commit | d1071f726a7640ce0525d1868844bbb107e9e43a (patch) | |
tree | 95be9b779ba0b0cf824c460972c942e21a7e4e77 /Documentation | |
parent | 8316cebd1e59823872d10799ce91f67c7c06968e (diff) | |
download | linux-d1071f726a7640ce0525d1868844bbb107e9e43a.tar.xz |
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 <marcus.folkesson@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/iio/dac/ltc1660.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/dac/ltc1660.txt b/Documentation/devicetree/bindings/iio/dac/ltc1660.txt new file mode 100644 index 000000000000..c5b5f22d6c64 --- /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>; +}; |