i2c0-bcm2708-overlay.dts

/*
 * Device tree overlay for i2c_bcm2708, i2c0 bus
 *
 * Compile:
 * dtc -@ -I dts -O dtb -o i2c0-bcm2708-overlay.dtb i2c0-bcm2708-overlay.dts
 */

/dts-v1/;
/plugin/;

/{
   compatible = "brcm,bcm2708";

   fragment@0 {
      target = <&i2c0>;
      __overlay__ {
         status = "okay";
      };
   };

   fragment@1 {
      target = <&i2c0_pins>;
      frag1: __overlay__ {
         brcm,pins = <0 1>;
         brcm,function = <4>; /* alt0 */
      };
   };

   fragment@2 {
      target = <&i2c0_pins>;
      __dormant__ {
         brcm,pins = <28 29>;
         brcm,function = <4>; /* alt0 */
      };
   };

   fragment@3 {
      target = <&i2c0_pins>;
      __dormant__ {
         brcm,pins = <44 45>;
         brcm,function = <5>; /* alt1 */
      };
   };

   fragment@4 {
      target = <&i2c0_pins>;
      __dormant__ {
         brcm,pins = <46 47>;
         brcm,function = <4>; /* alt0 */
      };
   };

   fragment@5 {
      target = <&i2c0>;
      __dormant__ {
         compatible = "brcm,bcm2708-i2c";
      };
   };

   __overrides__ {
      sda0_pin = <&frag1>,"brcm,pins:0";
      scl0_pin = <&frag1>,"brcm,pins:4";
      pins_0_1   = <0>,"+1-2-3-4";
      pins_28_29 = <0>,"-1+2-3-4";
      pins_44_45 = <0>,"-1-2+3-4";
      pins_46_47 = <0>,"-1-2-3+4";
      combine = <0>, "!5";
   };
};