Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt

   1 * NXP PCA954x I2C bus switch
   2
   3 Required Properties:
   4
   5   - compatible: Must contain one of the following.
   6     "nxp,pca9540", "nxp,pca9542", "nxp,pca9543", "nxp,pca9544",
   7     "nxp,pca9545", "nxp,pca9546", "nxp,pca9547", "nxp,pca9548"
   8
   9   - reg: The I2C address of the device.
  10
  11   The following required properties are defined externally:
  12
  13   - Standard I2C mux properties. See i2c-mux.txt in this directory.
  14   - I2C child bus nodes. See i2c-mux.txt in this directory.
  15
  16 Optional Properties:
  17
  18   - reset-gpios: Reference to the GPIO connected to the reset input.
  19
  20
  21 Example:
  22
  23         i2c-switch@74 {
  24                 compatible = "nxp,pca9548";
  25                 #address-cells = <1>;
  26                 #size-cells = <0>;
  27                 reg = <0x74>;
  28
  29                 i2c@2 {
  30                         #address-cells = <1>;
  31                         #size-cells = <0>;
  32                         reg = <2>;
  33
  34                         eeprom@54 {
  35                                 compatible = "at,24c08";
  36                                 reg = <0x54>;
  37                         };
  38                 };
  39
  40                 i2c@4 {
  41                         #address-cells = <1>;
  42                         #size-cells = <0>;
  43                         reg = <4>;
  44
  45                         rtc@51 {
  46                                 compatible = "nxp,pcf8563";
  47                                 reg = <0x51>;
  48                         };
  49                 };
  50         };