linux-sg2042/Documentation/devicetree/bindings/spi/spi-uniphier.txt

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Socionext UniPhier SPI controller driver
UniPhier SoCs have SCSSI which supports SPI single channel.
Required properties:
- compatible: should be "socionext,uniphier-scssi"
- reg: address and length of the spi master registers
- #address-cells: must be <1>, see spi-bus.txt
- #size-cells: must be <0>, see spi-bus.txt
- clocks: A phandle to the clock for the device.
- resets: A phandle to the reset control for the device.
Example:
spi0: spi@54006000 {
compatible = "socionext,uniphier-scssi";
reg = <0x54006000 0x100>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&peri_clk 11>;
resets = <&peri_rst 11>;
};