diff options
Diffstat (limited to 'dts/Bindings/iio/dac')
| -rw-r--r-- | dts/Bindings/iio/dac/adi,ad5770r.yaml | 10 | ||||
| -rw-r--r-- | dts/Bindings/iio/dac/lltc,ltc2632.yaml | 77 | ||||
| -rw-r--r-- | dts/Bindings/iio/dac/ltc2632.txt | 49 |
3 files changed, 87 insertions, 49 deletions
diff --git a/dts/Bindings/iio/dac/adi,ad5770r.yaml b/dts/Bindings/iio/dac/adi,ad5770r.yaml index 82424e06be..fb2c48fc7c 100644 --- a/dts/Bindings/iio/dac/adi,ad5770r.yaml +++ b/dts/Bindings/iio/dac/adi,ad5770r.yaml @@ -49,6 +49,14 @@ properties: asserted during driver probe. maxItems: 1 + spi-max-frequency: true + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + channel@0: description: Represents an external channel which are connected to the DAC. Channel 0 can act both as a current @@ -130,6 +138,8 @@ required: - channel@4 - channel@5 +additionalProperties: false + examples: - | spi { diff --git a/dts/Bindings/iio/dac/lltc,ltc2632.yaml b/dts/Bindings/iio/dac/lltc,ltc2632.yaml new file mode 100644 index 0000000000..edf804d0ac --- /dev/null +++ b/dts/Bindings/iio/dac/lltc,ltc2632.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/iio/dac/lltc,ltc2632.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Linear Technology LTC263x 12-/10-/8-Bit Rail-to-Rail DAC + +maintainers: + - Michael Hennerich <michael.hennerich@analog.com> + +description: | + Bindings for the Linear Technology LTC2632/2634/2636 DAC + Datasheet can be found here: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC263[246].pdf + +properties: + compatible: + enum: + - lltc,ltc2632-l12 + - lltc,ltc2632-l10 + - lltc,ltc2632-l8 + - lltc,ltc2632-h12 + - lltc,ltc2632-h10 + - lltc,ltc2632-h8 + - lltc,ltc2634-l12 + - lltc,ltc2634-l10 + - lltc,ltc2634-l8 + - lltc,ltc2634-h12 + - lltc,ltc2634-h10 + - lltc,ltc2634-h8 + - lltc,ltc2636-l12 + - lltc,ltc2636-l10 + - lltc,ltc2636-l8 + - lltc,ltc2636-h12 + - lltc,ltc2636-h10 + - lltc,ltc2636-h8 + + reg: + maxItems: 1 + + spi-max-frequency: + maximum: 2000000 + + vref-supply: + description: + Phandle to the external reference voltage supply. This should + only be set if there is an external reference voltage connected to the VREF + pin. If the property is not set the internal reference is used. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + vref: regulator-vref { + compatible = "regulator-fixed"; + regulator-name = "vref-ltc2632"; + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <1250000>; + regulator-always-on; + }; + + spi { + #address-cells = <1>; + #size-cells = <0>; + + dac@0 { + compatible = "lltc,ltc2632"; + reg = <0>; /* CS0 */ + spi-max-frequency = <1000000>; + vref-supply = <&vref>; + }; + }; +... diff --git a/dts/Bindings/iio/dac/ltc2632.txt b/dts/Bindings/iio/dac/ltc2632.txt deleted file mode 100644 index 1ab9570cf2..0000000000 --- a/dts/Bindings/iio/dac/ltc2632.txt +++ /dev/null @@ -1,49 +0,0 @@ -Linear Technology LTC2632/2634/2636 DAC - -Required properties: - - compatible: Has to contain one of the following: - lltc,ltc2632-l12 - lltc,ltc2632-l10 - lltc,ltc2632-l8 - lltc,ltc2632-h12 - lltc,ltc2632-h10 - lltc,ltc2632-h8 - lltc,ltc2634-l12 - lltc,ltc2634-l10 - lltc,ltc2634-l8 - lltc,ltc2634-h12 - lltc,ltc2634-h10 - lltc,ltc2634-h8 - lltc,ltc2636-l12 - lltc,ltc2636-l10 - lltc,ltc2636-l8 - lltc,ltc2636-h12 - lltc,ltc2636-h10 - lltc,ltc2636-h8 - -Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt -apply. In particular, "reg" and "spi-max-frequency" properties must be given. - -Optional properties: - - vref-supply: Phandle to the external reference voltage supply. This should - only be set if there is an external reference voltage connected to the VREF - pin. If the property is not set the internal reference is used. - -Example: - - vref: regulator-vref { - compatible = "regulator-fixed"; - regulator-name = "vref-ltc2632"; - regulator-min-microvolt = <1250000>; - regulator-max-microvolt = <1250000>; - regulator-always-on; - }; - - spi_master { - dac: ltc2632@0 { - compatible = "lltc,ltc2632-l12"; - reg = <0>; /* CS0 */ - spi-max-frequency = <1000000>; - vref-supply = <&vref>; /* optional */ - }; - }; |