- spi-gpio {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "spi-gpio";
-
- gpio-mosi = <&gpio0 7 0>;
- gpio-sck = <&gpio0 6 0>;
- num-chipselects = <0>;
-
- hc595: gpio-spi-controller@0 {
- compatible = "fairchild,74hc595";
- reg = <0>;
- registers-number = <1>;
- spi-max-frequency = <100000>;
-
- gpio-controller;
- #gpio-cells = <2>;
- };