Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml
26309 views
1
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

2
%YAML 1.2

3
---

4
$id: http://devicetree.org/schemas/iio/dac/adi,ad5791.yaml#

5
$schema: http://devicetree.org/meta-schemas/core.yaml#

6


7
title: Analog Devices AD5791 and similar DACs

8


9
maintainers:

10
  - Michael Hennerich <michael.hennerich@analog.com>

11
  - Jonathan Cameron <jic23@kernel.org>

12


13
properties:

14


15
  compatible:

16
    enum:

17
      - adi,ad5760

18
      - adi,ad5780

19
      - adi,ad5781

20
      - adi,ad5790

21
      - adi,ad5791

22


23
  reg:

24
    maxItems: 1

25


26
  vdd-supply: true

27
  vss-supply: true

28


29
  vcc-supply:

30
    description:

31
      Supply that powers the chip.

32


33
  iovcc-supply:

34
    description:

35
      Supply for the digital interface.

36


37
  vrefp-supply:

38
    description:

39
      Positive referance input voltage range. From 5v to (vdd - 2.5)

40


41
  vrefn-supply:

42
    description:

43
      Negative referance input voltage range. From (vss + 2.5) to 0.

44


45
  adi,rbuf-gain2-en:

46
    description: Specify to allow an external amplifier to be connected in a

47
      gain of two configuration.

48
    type: boolean

49


50
  reset-gpios:

51
    maxItems: 1

52


53
  clear-gpios:

54
    maxItems: 1

55


56
  ldac-gpios:

57
    description:

58
      LDAC pin to be used as a hardware trigger to update the DAC channels.

59
    maxItems: 1

60


61
required:

62
  - compatible

63
  - reg

64
  - vdd-supply

65
  - vss-supply

66
  - vcc-supply

67
  - iovcc-supply

68
  - vrefp-supply

69
  - vrefn-supply

70


71
allOf:

72
  - $ref: /schemas/spi/spi-peripheral-props.yaml#

73


74
unevaluatedProperties: false

75


76
examples:

77
  - |

78
    #include <dt-bindings/gpio/gpio.h>

79
    spi {

80
        #address-cells = <1>;

81
        #size-cells = <0>;

82


83
        dac@0 {

84
            compatible = "adi,ad5791";

85
            reg = <0>;

86
            vss-supply = <&dac_vss>;

87
            vdd-supply = <&dac_vdd>;

88
            vcc-supply = <&dac_vcc>;

89
            iovcc-supply = <&dac_iovcc>;

90
            vrefp-supply = <&dac_vrefp>;

91
            vrefn-supply = <&dac_vrefn>;

92
            reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>;

93
            clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>;

94
            ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_LOW>;

95
        };

96
    };

97
...

98


99