lm363x-regulator.txt

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    1 TI LMU LM363x regulator device tree bindings
    2 
    3 LM363x regulator driver supports LM3631 and LM3632.
    4 LM3631 has five regulators and LM3632 supports three regulators.
    5 
    6 Required property:
    7   - compatible: "ti,lm363x-regulator"
    8 
    9 Optional properties:
   10   LM3632 has external enable pins for two LDOs.
   11   - enable-gpios: Two GPIO specifiers for Vpos and Vneg control pins.
   12                   The first entry is Vpos, the second is Vneg enable pin.
   13 
   14 Child nodes:
   15   LM3631
   16   - vboost
   17   - vcont
   18   - voref
   19   - vpos
   20   - vneg
   21 
   22   LM3632
   23   - vboost
   24   - vpos
   25   - vneg
   26 
   27   Optional properties of a child node:
   28   Each sub-node should contain the constraints and initialization.
   29   Please refer to [1].
   30 
   31 Examples: Please refer to ti-lmu dt-bindings [2].
   32 
   33 lm3631@29 {
   34         compatible = "ti,lm3631";
   35         reg = <0x29>;
   36 
   37         regulators {
   38                 compatible = "ti,lm363x-regulator";
   39 
   40                 vboost {
   41                         regulator-name = "lcd_boost";
   42                         regulator-min-microvolt = <4500000>;
   43                         regulator-max-microvolt = <6350000>;
   44                         regulator-always-on;
   45                 };
   46 
   47                 vcont {
   48                         regulator-name = "lcd_vcont";
   49                         regulator-min-microvolt = <1800000>;
   50                         regulator-max-microvolt = <3300000>;
   51                 };
   52 
   53                 voref {
   54                         regulator-name = "lcd_voref";
   55                         regulator-min-microvolt = <4000000>;
   56                         regulator-max-microvolt = <6000000>;
   57                 };
   58 
   59                 vpos {
   60                         regulator-name = "lcd_vpos";
   61                         regulator-min-microvolt = <4000000>;
   62                         regulator-max-microvolt = <6000000>;
   63                         regulator-boot-on;
   64                 };
   65 
   66                 vneg {
   67                         regulator-name = "lcd_vneg";
   68                         regulator-min-microvolt = <4000000>;
   69                         regulator-max-microvolt = <6000000>;
   70                         regulator-boot-on;
   71                 };
   72         };
   73 };
   74 
   75 lm3632@11 {
   76         compatible = "ti,lm3632";
   77         reg = <0x11>;
   78 
   79         regulators {
   80                 compatible = "ti,lm363x-regulator";
   81 
   82                 /* GPIO1_16 for Vpos, GPIO1_28 is for Vneg */
   83                 enable-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>,
   84                                 <&gpio1 28 GPIO_ACTIVE_HIGH>;
   85 
   86                 vboost {
   87                         regulator-name = "lcd_boost";
   88                         regulator-min-microvolt = <4500000>;
   89                         regulator-max-microvolt = <6400000>;
   90                         regulator-always-on;
   91                 };
   92 
   93                 vpos {
   94                         regulator-name = "lcd_vpos";
   95                         regulator-min-microvolt = <4000000>;
   96                         regulator-max-microvolt = <6000000>;
   97                 };
   98 
   99                 vneg {
  100                         regulator-name = "lcd_vneg";
  101                         regulator-min-microvolt = <4000000>;
  102                         regulator-max-microvolt = <6000000>;
  103                 };
  104         };
  105 };
  106 
  107 [1] ../regulator/regulator.txt
  108 [2] ../mfd/ti-lmu.txt

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sys/contrib/device-tree/Bindings/regulator/lm363x-regulator.txt