motorola-cpcap.txt

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    1 Motorola CPCAP PMIC device tree binding
    2 
    3 Required properties:
    4 - compatible            : One or both of "motorola,cpcap" or "ste,6556002"
    5 - reg                   : SPI chip select
    6 - interrupts            : The interrupt line the device is connected to
    7 - interrupt-controller  : Marks the device node as an interrupt controller
    8 - #interrupt-cells      : The number of cells to describe an IRQ, should be 2
    9 - #address-cells        : Child device offset number of cells, should be 1
   10 - #size-cells           : Child device size number of cells, should be 0
   11 - spi-max-frequency     : Typically set to 3000000
   12 - spi-cs-high           : SPI chip select direction
   13 
   14 Optional subnodes:
   15 
   16 The sub-functions of CPCAP get their own node with their own compatible values,
   17 which are described in the following files:
   18 
   19 - Documentation/devicetree/bindings/power/supply/cpcap-battery.yaml
   20 - Documentation/devicetree/bindings/power/supply/cpcap-charger.yaml
   21 - Documentation/devicetree/bindings/regulator/cpcap-regulator.txt
   22 - Documentation/devicetree/bindings/phy/phy-cpcap-usb.txt
   23 - Documentation/devicetree/bindings/input/cpcap-pwrbutton.txt
   24 - Documentation/devicetree/bindings/rtc/cpcap-rtc.txt
   25 - Documentation/devicetree/bindings/leds/leds-cpcap.txt
   26 - Documentation/devicetree/bindings/iio/adc/motorola,cpcap-adc.yaml
   27 
   28 The only exception is the audio codec. Instead of a compatible value its
   29 node must be named "audio-codec".
   30 
   31 Required properties for the audio-codec subnode:
   32 
   33 - #sound-dai-cells = <1>;
   34 
   35 The audio-codec provides two DAIs. The first one is connected to the
   36 Stereo HiFi DAC and the second one is connected to the Voice DAC.
   37 
   38 Example:
   39 
   40 &mcspi1 {
   41         cpcap: pmic@0 {
   42                 compatible = "motorola,cpcap", "ste,6556002";
   43                 reg = <0>;      /* cs0 */
   44                 interrupt-parent = <&gpio1>;
   45                 interrupts = <7 IRQ_TYPE_EDGE_RISING>;
   46                 interrupt-controller;
   47                 #interrupt-cells = <2>;
   48                 #address-cells = <1>;
   49                 #size-cells = <0>;
   50                 spi-max-frequency = <3000000>;
   51                 spi-cs-high;
   52 
   53                 audio-codec {
   54                         #sound-dai-cells = <1>;
   55 
   56                         /* HiFi */
   57                         port@0 {
   58                                 endpoint {
   59                                         remote-endpoint = <&cpu_dai1>;
   60                                 };
   61                         };
   62 
   63                         /* Voice */
   64                         port@1 {
   65                                 endpoint {
   66                                         remote-endpoint = <&cpu_dai2>;
   67                                 };
   68                         };
   69                 };
   70         };
   71 };
   72

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