Documentation/devicetree/bindings/i2c/i2c-mv64xxx.txt

   1
   2 * Marvell MV64XXX I2C controller
   3
   4 Required properties :
   5
   6  - reg             : Offset and length of the register set for the device
   7  - compatible      : Should be either:
   8                      - "allwinner,sun4i-i2c"
   9                      - "allwinner,sun6i-a31-i2c"
  10                      - "marvell,mv64xxx-i2c"
  11                      - "marvell,mv78230-i2c"
  12                      - "marvell,mv78230-a0-i2c"
  13                        * Note: Only use "marvell,mv78230-a0-i2c" for a
  14                          very rare, initial version of the SoC which
  15                          had broken offload support.  Linux
  16                          auto-detects this and sets it appropriately.
  17  - interrupts      : The interrupt number
  18
  19 Optional properties :
  20
  21  - clock-frequency : Desired I2C bus clock frequency in Hz. If not set the
  22 default frequency is 100kHz
  23
  24  - resets          : phandle to the parent reset controller. Mandatory
  25                      whenever you're using the "allwinner,sun6i-a31-i2c"
  26                      compatible.
  27
  28 Examples:
  29
  30         i2c@11000 {
  31                 compatible = "marvell,mv64xxx-i2c";
  32                 reg = <0x11000 0x20>;
  33                 interrupts = <29>;
  34                 clock-frequency = <100000>;
  35         };
  36
  37 For the Armada XP:
  38
  39         i2c@11000 {
  40                 compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c";
  41                 reg = <0x11000 0x100>;
  42                 interrupts = <29>;
  43                 clock-frequency = <100000>;
  44         };