Documentation/devicetree/bindings/regulator/richtek,rt5759-regulator.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/regulator/richtek,rt5759-regulator.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Richtek RT5759 High Performance DCDC Converter
   8
   9 maintainers:
  10   - ChiYuan Huang <cy_huang@richtek.com>
  11
  12 description: |
  13   The RT5759 is a high-performance, synchronous step-down DC-DC converter that
  14   can deliver up to 9A output current from 3V to 6.5V input supply, The output
  15   voltage can be programmable with I2C controlled 7-Bit VID.
  16
  17   Datasheet is available at
  18   https://www.richtek.com/assets/product_file/RT5759/DS5759-00.pdf
  19
  20 properties:
  21   compatible:
  22     enum:
  23       - richtek,rt5759
  24       - richtek,rt5759a
  25
  26   reg:
  27     maxItems: 1
  28
  29   regulator-allowed-modes:
  30     description: |
  31       buck allowed operating mode
  32         0: auto mode (PSKIP: pulse skipping)
  33         1: force pwm mode
  34     items:
  35       enum: [0, 1]
  36
  37   richtek,watchdog-enable:
  38     description: enable the external watchdog reset pin listening
  39     type: boolean
  40
  41 allOf:
  42   - $ref: regulator.yaml#
  43
  44   - if:
  45       properties:
  46         compatible:
  47           contains:
  48             const: richtek,rt5759
  49     then:
  50       properties:
  51         richtek,watchdog-enable: false
  52
  53 required:
  54   - compatible
  55   - reg
  56
  57 unevaluatedProperties: false
  58
  59 examples:
  60   # example 1 for RT5759
  61   - |
  62     i2c {
  63       #address-cells = <1>;
  64       #size-cells = <0>;
  65
  66       regulator@62 {
  67         compatible = "richtek,rt5759";
  68         reg = <0x62>;
  69         regulator-name = "rt5759-buck";
  70         regulator-min-microvolt = <600000>;
  71         regulator-max-microvolt = <1500000>;
  72         regulator-boot-on;
  73       };
  74     };
  75   # example 2 for RT5759A
  76   - |
  77     i2c {
  78       #address-cells = <1>;
  79       #size-cells = <0>;
  80
  81       regulator@62 {
  82         compatible = "richtek,rt5759a";
  83         reg = <0x62>;
  84         regulator-name = "rt5759a-buck";
  85         regulator-min-microvolt = <600000>;
  86         regulator-max-microvolt = <1725000>;
  87         regulator-boot-on;
  88         richtek,watchdog-enable;
  89       };
  90     };