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Aug 22nd, 2017
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  1. /dts-v1/;
  2. /plugin/;
  3.  
  4. /{
  5. compatible = "brcm,bcm2708";
  6. fragment@0 {
  7. target-path = "/";
  8. __overlay__ {
  9. spi1 {
  10. compatible = "spi-gpio";
  11. #address-cells = <0x1>;
  12. ranges;
  13.  
  14. gpio-mosi = <&gpio 24 0>;
  15. gpio-sck = <&gpio 18 0>;
  16. gpio-miso = <&gpio 23 0>;
  17. cs-gpios = <&gpio 25 1>, <&gpio 8 1>, <&gpio 7 1>;
  18. num-chipselects = <3>;
  19. status = "ok";
  20.  
  21. spidev1{
  22. compatible = "spidev";
  23. reg = <0>;
  24. #address-cells = <1>;
  25. #size-cells = <0>;
  26. spi-max-frequency = <2000000>;
  27. };
  28.  
  29. spidev2{
  30. compatible = "spidev";
  31. reg = <1>;
  32. #address-cells = <1>;
  33. #size-cells = <0>;
  34. spi-max-frequency = <2000000>;
  35. };
  36.  
  37. spidev3{
  38. compatible = "spidev";
  39. reg = <2>;
  40. #address-cells = <1>;
  41. #size-cells = <0>;
  42. spi-max-frequency = <2000000>;
  43. };
  44. };
  45. };
  46. };
  47. };
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