Documentation/devicetree/bindings/mfd/ti,lp87524-q1.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mfd/ti,lp87524-q1.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: TI LP87524-Q1 four 1-phase output buck converter
   8
   9 maintainers:
  10   - Keerthy <j-keerthy@ti.com>
  11
  12 properties:
  13   compatible:
  14     const: ti,lp87524-q1
  15
  16   reg:
  17     description: I2C slave address
  18     const: 0x60
  19
  20   reset-gpios:
  21     description: GPIO connected to NRST pin (active low reset, pin 20)
  22     maxItems: 1
  23
  24   gpio-controller: true
  25
  26   '#gpio-cells':
  27     description:
  28       The first cell is the pin number.
  29       The second cell is is used to specify flags.
  30       See ../gpio/gpio.txt for more information.
  31     const: 2
  32
  33   regulators:
  34     type: object
  35
  36     patternProperties:
  37       "^buck[0123]$":
  38         type: object
  39         $ref: /schemas/regulator/regulator.yaml#
  40
  41     required:
  42       - buck0
  43       - buck1
  44       - buck2
  45       - buck3
  46
  47     additionalProperties: false
  48
  49 patternProperties:
  50   "^buck[0123]-in-supply$":
  51     description: Voltage regulator supply for each BUCK converter
  52
  53 required:
  54   - compatible
  55   - reg
  56   - gpio-controller
  57   - '#gpio-cells'
  58   - buck0-in-supply
  59   - buck1-in-supply
  60   - buck2-in-supply
  61   - buck3-in-supply
  62   - regulators
  63
  64 additionalProperties: false
  65
  66 examples:
  67   - |
  68     i2c@0 {
  69         reg = <0x0 0x100>;
  70         #address-cells = <1>;
  71         #size-cells = <0>;
  72
  73         pmic@60 {
  74             compatible = "ti,lp87524-q1";
  75             reg = <0x60>;
  76             gpio-controller;
  77             #gpio-cells = <2>;
  78
  79             buck0-in-supply = <&vdd_5v0>;
  80             buck1-in-supply = <&vdd_5v0>;
  81             buck2-in-supply = <&vdd_5v0>;
  82             buck3-in-supply = <&vdd_5v0>;
  83
  84             regulators {
  85                 buck0_reg: buck0 {
  86                     regulator-name = "buck0";
  87                     regulator-min-microvolt = <3300000>;
  88                     regulator-max-microvolt = <3300000>;
  89                     regulator-always-on;
  90                 };
  91
  92                 buck1_reg: buck1 {
  93                     regulator-name = "buck1";
  94                     regulator-min-microvolt = <1350000>;
  95                     regulator-max-microvolt = <1350000>;
  96                     regulator-always-on;
  97                 };
  98
  99                 buck2_reg: buck2 {
 100                     regulator-name = "buck2";
 101                     regulator-min-microvolt = <950000>;
 102                     regulator-max-microvolt = <950000>;
 103                     regulator-always-on;
 104                 };
 105
 106                 buck3_reg: buck3 {
 107                     regulator-name = "buck3";
 108                     regulator-min-microvolt = <1800000>;
 109                     regulator-max-microvolt = <1800000>;
 110                     regulator-always-on;
 111                 };
 112             };
 113         };
 114     };
 115
 116 ...