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kernel add
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Allwinner A31 SPI controller
Required properties:
- compatible: Should be "allwinner,sun6i-a31-spi".
- reg: Should contain register location and length.
- interrupts: Should contain interrupt.
- clocks: phandle to the clocks feeding the SPI controller. Two are
needed:
- "ahb": the gated AHB parent clock
- "mod": the parent module clock
- clock-names: Must contain the clock names described just above
- resets: phandle to the reset controller asserting this device in
reset
Example:
spi1: spi@01c69000 {
compatible = "allwinner,sun6i-a31-spi";
reg = <0x01c69000 0x1000>;
interrupts = <0 66 4>;
clocks = <&ahb1_gates 21>, <&spi1_clk>;
clock-names = "ahb", "mod";
resets = <&ahb1_rst 21>;
};
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