actions,atc260x.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/mfd/actions,atc260x.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Actions Semi ATC260x Power Management IC bindings
    8 
    9 maintainers:
   10   - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
   11   - Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
   12 
   13 description: |
   14   ATC260x series PMICs integrates Audio Codec, Power Management, RTC, IR
   15   and GPIO controller blocks. Currently only the PM related functionalities
   16   (i.e. regulators and system power-off/reboot) for the ATC2603C and ATC2609A
   17   chip variants are supported.
   18   ATC2603C includes 3 programmable DC-DC converters, 9 programmable LDO
   19   regulators and 1 fixed LDO regulator.
   20   ATC2609A includes 5 programmable DC-DC converters and 10 programmable LDO
   21   regulators.
   22 
   23 allOf:
   24   - $ref: ../input/input.yaml
   25 
   26 properties:
   27   compatible:
   28     enum:
   29       - actions,atc2603c
   30       - actions,atc2609a
   31 
   32   reg:
   33     maxItems: 1
   34 
   35   interrupts:
   36     maxItems: 1
   37 
   38   reset-time-sec:
   39     description: |
   40       Duration in seconds which the key should be kept pressed for device
   41       to reset automatically. The hardware default is 8. Use 0 to disable
   42       this functionality.
   43     enum: [0, 6, 8, 10, 12]
   44 
   45   regulators:
   46     type: object
   47     description: |
   48       List of child nodes specifying the regulators, depending on chip variant:
   49       * ATC2603C: dcdc[1-3], ldo[1-3,5-8,11,12], switchldo1
   50       * ATC2609A: dcdc[0-4], ldo[0-9]
   51 
   52     properties:
   53       compatible:
   54         enum:
   55           - actions,atc2603c-regulator
   56           - actions,atc2609a-regulator
   57 
   58       switchldo1:
   59         type: object
   60         $ref: ../regulator/regulator.yaml
   61 
   62         properties:
   63           regulator-name: true
   64           regulator-boot-on: true
   65           regulator-always-on: true
   66           regulator-min-microvolt: true
   67           regulator-max-microvolt: true
   68           regulator-allow-bypass: true
   69           regulator-active-discharge: true
   70 
   71         additionalProperties: false
   72 
   73     patternProperties:
   74       "^(dcdc[0-4]|ldo[0-9]|ldo1[1-2]|switchldo1)-supply$":
   75         description: ATC260x voltage regulators supplies
   76 
   77       "^(dcdc[0-4]|ldo[0-9]|ldo1[1-2])$":
   78         type: object
   79         $ref: ../regulator/regulator.yaml
   80 
   81         properties:
   82           regulator-name: true
   83           regulator-boot-on: true
   84           regulator-always-on: true
   85           regulator-min-microvolt: true
   86           regulator-max-microvolt: true
   87           regulator-allow-bypass: true
   88 
   89         additionalProperties: false
   90 
   91     allOf:
   92       - if:
   93           properties:
   94             compatible:
   95               contains:
   96                 const: actions,atc2603c-regulator
   97         then:
   98           patternProperties:
   99             "^(dcdc[0,4]|ldo[0,4,9])(-supply)?$": false
  100 
  101             "^(ldo|dcdc)":
  102               properties:
  103                 regulator-allow-bypass: false
  104       - if:
  105           properties:
  106             compatible:
  107               contains:
  108                 const: actions,atc2609a-regulator
  109         then:
  110           patternProperties:
  111             "^(ldo1[1-2]|switchldo1)(-supply)?$": false
  112 
  113             "^(dcdc|ldo[3-9])":
  114               properties:
  115                 regulator-allow-bypass: false
  116 
  117     required:
  118       - compatible
  119 
  120     additionalProperties: false
  121 
  122 additionalProperties: false
  123 
  124 required:
  125   - compatible
  126   - reg
  127   - interrupts
  128 
  129 examples:
  130   - |
  131     #include <dt-bindings/interrupt-controller/arm-gic.h>
  132     i2c0 {
  133         #address-cells = <1>;
  134         #size-cells = <0>;
  135 
  136         pmic@65 {
  137             compatible = "actions,atc2603c";
  138             reg = <0x65>;
  139             interrupt-parent = <&sirq>;
  140             interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
  141 
  142             reset-time-sec = <6>;
  143 
  144             regulators {
  145                 compatible = "actions,atc2603c-regulator";
  146 
  147                 dcdc1-supply = <&reg_5v0>;
  148                 dcdc3-supply = <&reg_5v0>;
  149                 ldo5-supply = <&reg_5v0>;
  150                 switchldo1-supply = <&vcc>;
  151 
  152                 vdd_cpu: dcdc1 {
  153                     regulator-name = "VDD_CPU";
  154                     regulator-min-microvolt = <700000>;
  155                     regulator-max-microvolt = <1400000>;
  156                     regulator-always-on;
  157                 };
  158 
  159                 vcc: dcdc3 {
  160                     regulator-name = "VCC";
  161                     regulator-min-microvolt = <2600000>;
  162                     regulator-max-microvolt = <3300000>;
  163                     regulator-always-on;
  164                 };
  165 
  166                 vcc_3v1: ldo5 {
  167                     regulator-name = "VCC_3V1";
  168                     regulator-min-microvolt = <2600000>;
  169                     regulator-max-microvolt = <3300000>;
  170                 };
  171 
  172                 sd_vcc: switchldo1 {
  173                     regulator-name = "SD_VCC";
  174                     regulator-min-microvolt = <3000000>;
  175                     regulator-max-microvolt = <3300000>;
  176                     regulator-always-on;
  177                     regulator-boot-on;
  178                 };
  179             };
  180         };
  181     };
  182 
  183 ...

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