fixed-regulator.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/regulator/fixed-regulator.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Fixed Voltage regulators
    8 
    9 maintainers:
   10   - Liam Girdwood <lgirdwood@gmail.com>
   11   - Mark Brown <broonie@kernel.org>
   12 
   13 description:
   14   Any property defined as part of the core regulator binding, defined in
   15   regulator.yaml, can also be used. However a fixed voltage regulator is
   16   expected to have the regulator-min-microvolt and regulator-max-microvolt
   17   to be the same.
   18 
   19 allOf:
   20   - $ref: "regulator.yaml#"
   21   - if:
   22       properties:
   23         compatible:
   24           contains:
   25             const: regulator-fixed-clock
   26     then:
   27       required:
   28         - clocks
   29   - if:
   30       properties:
   31         compatible:
   32           contains:
   33             const: regulator-fixed-domain
   34     then:
   35       required:
   36         - power-domains
   37         - required-opps
   38 
   39 properties:
   40   compatible:
   41     enum:
   42       - regulator-fixed
   43       - regulator-fixed-clock
   44       - regulator-fixed-domain
   45 
   46   regulator-name: true
   47 
   48   gpio:
   49     description: gpio to use for enable control
   50     maxItems: 1
   51 
   52   clocks:
   53     description:
   54       clock to use for enable control. This binding is only available if
   55       the compatible is chosen to regulator-fixed-clock. The clock binding
   56       is mandatory if compatible is chosen to regulator-fixed-clock.
   57     maxItems: 1
   58 
   59   power-domains:
   60     deprecated: true
   61     description:
   62       Power domain to use for enable control. This binding is only
   63       available if the compatible is chosen to regulator-fixed-domain.
   64     maxItems: 1
   65 
   66   required-opps:
   67     deprecated: true
   68     description:
   69       Performance state to use for enable control. This binding is only
   70       available if the compatible is chosen to regulator-fixed-domain. The
   71       power-domain binding is mandatory if compatible is chosen to
   72       regulator-fixed-domain.
   73     maxItems: 1
   74 
   75   startup-delay-us:
   76     description: startup time in microseconds
   77 
   78   off-on-delay-us:
   79     description: off delay time in microseconds
   80 
   81   enable-active-high:
   82     description:
   83       Polarity of GPIO is Active high. If this property is missing,
   84       the default assumed is Active low.
   85     type: boolean
   86 
   87   gpio-open-drain:
   88     description:
   89       GPIO is open drain type. If this property is missing then default
   90       assumption is false.
   91     type: boolean
   92 
   93   vin-supply:
   94     description: Input supply phandle.
   95 
   96 required:
   97   - compatible
   98   - regulator-name
   99 
  100 unevaluatedProperties: false
  101 
  102 examples:
  103   - |
  104     reg_1v8: regulator-1v8 {
  105       compatible = "regulator-fixed";
  106       regulator-name = "1v8";
  107       regulator-min-microvolt = <1800000>;
  108       regulator-max-microvolt = <1800000>;
  109       gpio = <&gpio1 16 0>;
  110       startup-delay-us = <70000>;
  111       enable-active-high;
  112       regulator-boot-on;
  113       gpio-open-drain;
  114       vin-supply = <&parent_reg>;
  115     };
  116     reg_1v8_clk: regulator-1v8-clk {
  117       compatible = "regulator-fixed-clock";
  118       regulator-name = "1v8";
  119       regulator-min-microvolt = <1800000>;
  120       regulator-max-microvolt = <1800000>;
  121       clocks = <&clock1>;
  122       startup-delay-us = <70000>;
  123       enable-active-high;
  124       regulator-boot-on;
  125       vin-supply = <&parent_reg>;
  126     };
  127     reg_1v8_domain: regulator-1v8-domain {
  128       compatible = "regulator-fixed-domain";
  129       regulator-name = "1v8";
  130       regulator-min-microvolt = <1800000>;
  131       regulator-max-microvolt = <1800000>;
  132       power-domains = <&domain1>;
  133       required-opps = <&domain1_state1>;
  134       startup-delay-us = <70000>;
  135       enable-active-high;
  136       regulator-boot-on;
  137       vin-supply = <&parent_reg>;
  138     };
  139 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/regulator/fixed-regulator.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/regulator/fixed-regulator.yaml