richtek,rt5190a-regulator.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/regulator/richtek,rt5190a-regulator.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Richtek RT5190A PMIC Regulator
    8 
    9 maintainers:
   10   - ChiYuan Huang <cy_huang@richtek.com>
   11 
   12 description: |
   13   The RT5190A integrates 1 channel buck controller, 3 channels high efficiency
   14   synchronous buck converters, 1 LDO, I2C control interface and peripherial
   15   logical control.
   16 
   17   It also supports mute AC OFF depop sound and quick setting storage while
   18   input power is removed.
   19 
   20 properties:
   21   compatible:
   22     enum:
   23       - richtek,rt5190a
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   interrupts:
   29     maxItems: 1
   30 
   31   vin2-supply:
   32     description: phandle to buck2 input voltage.
   33 
   34   vin3-supply:
   35     description: phandle to buck3 input voltage.
   36 
   37   vin4-supply:
   38     description: phandle to buck4 input voltage.
   39 
   40   vinldo-supply:
   41     description: phandle to ldo input voltage
   42 
   43   richtek,mute-enable:
   44     description: |
   45       The mute function uses 'mutein', 'muteout', and 'vdet' pins as the control
   46       signal. When enabled, The normal behavior is to bypass the 'mutein' signal
   47       'muteout'. But if the power source removal is detected from 'vdet',
   48       whatever the 'mutein' signal is, it will pull down the 'muteout' to force
   49       speakers mute. this function is commonly used to prevent the speaker pop
   50       noise during AC power turned off in the modern TV system design.
   51     type: boolean
   52 
   53   regulators:
   54     type: object
   55 
   56     patternProperties:
   57       "^buck[1-4]$|^ldo$":
   58         type: object
   59         $ref: regulator.yaml#
   60         description: |
   61           regulator description for buck1 to buck4, and ldo.
   62 
   63         properties:
   64           regulator-allowed-modes:
   65             description: |
   66              buck operating mode, only buck1/4 support mode operating.
   67               0: auto mode
   68               1: force pwm mode
   69             items:
   70               enum: [0, 1]
   71 
   72           richtek,latchup-enable:
   73             type: boolean
   74             description: |
   75               If specified, undervolt protection mode changes from the default
   76               hiccup to latchup.
   77 
   78         unevaluatedProperties: false
   79 
   80     additionalProperties: false
   81 
   82 required:
   83   - compatible
   84   - reg
   85   - regulators
   86 
   87 additionalProperties: false
   88 
   89 examples:
   90   - |
   91     #include <dt-bindings/interrupt-controller/irq.h>
   92     #include <dt-bindings/regulator/richtek,rt5190a-regulator.h>
   93 
   94     i2c {
   95       #address-cells = <1>;
   96       #size-cells = <0>;
   97 
   98       pmic@64 {
   99         compatible = "richtek,rt5190a";
  100         reg = <0x64>;
  101         interrupts-extended = <&gpio26 0 IRQ_TYPE_LEVEL_LOW>;
  102         vin2-supply = <&rt5190_buck1>;
  103         vin3-supply = <&rt5190_buck1>;
  104         vin4-supply = <&rt5190_buck1>;
  105 
  106         regulators {
  107           rt5190_buck1: buck1 {
  108             regulator-name = "rt5190a-buck1";
  109             regulator-min-microvolt = <5090000>;
  110             regulator-max-microvolt = <5090000>;
  111             regulator-allowed-modes = <RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>;
  112             regulator-boot-on;
  113           };
  114           buck2 {
  115             regulator-name = "rt5190a-buck2";
  116             regulator-min-microvolt = <600000>;
  117             regulator-max-microvolt = <1400000>;
  118             regulator-boot-on;
  119           };
  120           buck3 {
  121             regulator-name = "rt5190a-buck3";
  122             regulator-min-microvolt = <600000>;
  123             regulator-max-microvolt = <1400000>;
  124             regulator-boot-on;
  125           };
  126           buck4 {
  127             regulator-name = "rt5190a-buck4";
  128             regulator-min-microvolt = <850000>;
  129             regulator-max-microvolt = <850000>;
  130             regulator-allowed-modes = <RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>;
  131             regulator-boot-on;
  132           };
  133           ldo {
  134             regulator-name = "rt5190a-ldo";
  135             regulator-min-microvolt = <1200000>;
  136             regulator-max-microvolt = <1200000>;
  137             regulator-boot-on;
  138           };
  139         };
  140       };
  141     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/regulator/richtek,rt5190a-regulator.yaml

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sys/contrib/device-tree/Bindings/regulator/richtek,rt5190a-regulator.yaml