IMG Synchronous Peripheral Flash Interface (SPFI) controller Required properties: - compatible: Must be "img,spfi". - reg: Must contain the base address and length of the SPFI registers. - interrupts: Must contain the SPFI interrupt. - clocks: Must contain an entry for each entry in clock-names. See ../clock/clock-bindings.txt for details. - clock-names: Must include the following entries: - spfi: SPI operating clock - sys: SPI system interface clock - dmas: Must contain an entry for each entry in dma-names. See ../dma/dma.txt for details. - dma-names: Must include the following entries: - rx - tx - cs-gpios: Must specify the GPIOs used for chipselect lines. - #address-cells: Must be 1. - #size-cells: Must be 0. Optional properties: - img,supports-quad-mode: Should be set if the interface supports quad mode SPI transfers. - spfi-max-frequency: Maximum speed supported by the spfi block. Example: spi@18100f00 { compatible = "img,spfi"; reg = <0x18100f00 0x100>; interrupts = ; clocks = <&spi_clk>, <&system_clk>; clock-names = "spfi", "sys"; dmas = <&mdc 9 0xffffffff 0>, <&mdc 10 0xffffffff 0>; dma-names = "rx", "tx"; #address-cells = <1>; #size-cells = <0>; };