linux/Documentation/devicetree/bindings/mfd/mc13xxx.txt
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   1* Freescale MC13783/MC13892 Power Management Integrated Circuit (PMIC)
   2
   3Required properties:
   4- compatible : Should be "fsl,mc13783" or "fsl,mc13892"
   5
   6Optional properties:
   7- fsl,mc13xxx-uses-adc : Indicate the ADC is being used
   8- fsl,mc13xxx-uses-codec : Indicate the Audio Codec is being used
   9- fsl,mc13xxx-uses-rtc : Indicate the RTC is being used
  10- fsl,mc13xxx-uses-touch : Indicate the touchscreen controller is being used
  11
  12Sub-nodes:
  13- regulators : Contain the regulator nodes. The regulators are bound using
  14  their names as listed below with their registers and bits for enabling.
  15
  16MC13783 regulators:
  17    sw1a      : regulator SW1A      (register 24, bit 0)
  18    sw1b      : regulator SW1B      (register 25, bit 0)
  19    sw2a      : regulator SW2A      (register 26, bit 0)
  20    sw2b      : regulator SW2B      (register 27, bit 0)
  21    sw3       : regulator SW3       (register 29, bit 20)
  22    vaudio    : regulator VAUDIO    (register 32, bit 0)
  23    viohi     : regulator VIOHI     (register 32, bit 3)
  24    violo     : regulator VIOLO     (register 32, bit 6)
  25    vdig      : regulator VDIG      (register 32, bit 9)
  26    vgen      : regulator VGEN      (register 32, bit 12)
  27    vrfdig    : regulator VRFDIG    (register 32, bit 15)
  28    vrfref    : regulator VRFREF    (register 32, bit 18)
  29    vrfcp     : regulator VRFCP     (register 32, bit 21)
  30    vsim      : regulator VSIM      (register 33, bit 0)
  31    vesim     : regulator VESIM     (register 33, bit 3)
  32    vcam      : regulator VCAM      (register 33, bit 6)
  33    vrfbg     : regulator VRFBG     (register 33, bit 9)
  34    vvib      : regulator VVIB      (register 33, bit 11)
  35    vrf1      : regulator VRF1      (register 33, bit 12)
  36    vrf2      : regulator VRF2      (register 33, bit 15)
  37    vmmc1     : regulator VMMC1     (register 33, bit 18)
  38    vmmc2     : regulator VMMC2     (register 33, bit 21)
  39    gpo1      : regulator GPO1      (register 34, bit 6)
  40    gpo2      : regulator GPO2      (register 34, bit 8)
  41    gpo3      : regulator GPO3      (register 34, bit 10)
  42    gpo4      : regulator GPO4      (register 34, bit 12)
  43    pwgt1spi  : regulator PWGT1SPI  (register 34, bit 15)
  44    pwgt2spi  : regulator PWGT2SPI  (register 34, bit 16)
  45
  46MC13892 regulators:
  47    vcoincell : regulator VCOINCELL (register 13, bit 23)
  48    sw1       : regulator SW1       (register 24, bit 0)
  49    sw2       : regulator SW2       (register 25, bit 0)
  50    sw3       : regulator SW3       (register 26, bit 0)
  51    sw4       : regulator SW4       (register 27, bit 0)
  52    swbst     : regulator SWBST     (register 29, bit 20)
  53    vgen1     : regulator VGEN1     (register 32, bit 0)
  54    viohi     : regulator VIOHI     (register 32, bit 3)
  55    vdig      : regulator VDIG      (register 32, bit 9)
  56    vgen2     : regulator VGEN2     (register 32, bit 12)
  57    vpll      : regulator VPLL      (register 32, bit 15)
  58    vusb2     : regulator VUSB2     (register 32, bit 18)
  59    vgen3     : regulator VGEN3     (register 33, bit 0)
  60    vcam      : regulator VCAM      (register 33, bit 6)
  61    vvideo    : regulator VVIDEO    (register 33, bit 12)
  62    vaudio    : regulator VAUDIO    (register 33, bit 15)
  63    vsd       : regulator VSD       (register 33, bit 18)
  64    gpo1      : regulator GPO1      (register 34, bit 6)
  65    gpo2      : regulator GPO2      (register 34, bit 8)
  66    gpo3      : regulator GPO3      (register 34, bit 10)
  67    gpo4      : regulator GPO4      (register 34, bit 12)
  68    pwgt1spi  : regulator PWGT1SPI  (register 34, bit 15)
  69    pwgt2spi  : regulator PWGT2SPI  (register 34, bit 16)
  70    vusb      : regulator VUSB      (register 50, bit 3)
  71
  72  The bindings details of individual regulator device can be found in:
  73  Documentation/devicetree/bindings/regulator/regulator.txt
  74
  75Examples:
  76
  77ecspi@70010000 { /* ECSPI1 */
  78        fsl,spi-num-chipselects = <2>;
  79        cs-gpios = <&gpio4 24 0>, /* GPIO4_24 */
  80                   <&gpio4 25 0>; /* GPIO4_25 */
  81        status = "okay";
  82
  83        pmic: mc13892@0 {
  84                #address-cells = <1>;
  85                #size-cells = <0>;
  86                compatible = "fsl,mc13892";
  87                spi-max-frequency = <6000000>;
  88                reg = <0>;
  89                interrupt-parent = <&gpio0>;
  90                interrupts = <8>;
  91
  92                regulators {
  93                        sw1_reg: mc13892__sw1 {
  94                                regulator-min-microvolt = <600000>;
  95                                regulator-max-microvolt = <1375000>;
  96                                regulator-boot-on;
  97                                regulator-always-on;
  98                        };
  99
 100                        sw2_reg: mc13892__sw2 {
 101                                regulator-min-microvolt = <900000>;
 102                                regulator-max-microvolt = <1850000>;
 103                                regulator-boot-on;
 104                                regulator-always-on;
 105                        };
 106                };
 107        };
 108};
 109