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Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface.
Required properties:
- compatible : "snps,dw-apb-ssi"
- reg : The register base for the controller.
- interrupts : One interrupt, used by the controller.
- #address-cells : <1>, as required by generic SPI binding.
- #size-cells : <0>, also as required by generic SPI binding.
Optional properties:
- cs-gpios : Specifies the gpio pis to be used for chipselects.
- num-cs : The number of chipselects. If omitted, this will default to 4.
Child nodes as per the generic SPI binding.
Example:
spi@fff00000 {
compatible = "snps,dw-apb-ssi";
reg = <0xfff00000 0x1000>;
interrupts = <0 154 4>;
#address-cells = <1>;
#size-cells = <0>;
num-cs = <2>;
cs-gpios = <&gpio0 13 0>,
<&gpio0 14 0>;
};