Documentation/devicetree/bindings/mfd/mc13xxx.txt

   1 * Freescale MC13783/MC13892 Power Management Integrated Circuit (PMIC)
   2
   3 Required properties:
   4 - compatible : Should be "fsl,mc13783" or "fsl,mc13892"
   5
   6 Optional 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
  12 Sub-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
  16 MC13783 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
  46 MC13892 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
  75 Examples:
  76
  77 ecspi@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 };