1IMG Synchronous Peripheral Flash Interface (SPFI) controller 2 3Required properties: 4- compatible: Must be "img,spfi". 5- reg: Must contain the base address and length of the SPFI registers. 6- interrupts: Must contain the SPFI interrupt. 7- clocks: Must contain an entry for each entry in clock-names. 8 See ../clock/clock-bindings.txt for details. 9- clock-names: Must include the following entries: 10 - spfi: SPI operating clock 11 - sys: SPI system interface clock 12- dmas: Must contain an entry for each entry in dma-names. 13 See ../dma/dma.txt for details. 14- dma-names: Must include the following entries: 15 - rx 16 - tx 17- #address-cells: Must be 1. 18- #size-cells: Must be 0. 19 20Optional properties: 21- img,supports-quad-mode: Should be set if the interface supports quad mode 22 SPI transfers. 23 24Example: 25 26spi@18100f00 { 27 compatible = "img,spfi"; 28 reg = <0x18100f00 0x100>; 29 interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>; 30 clocks = <&spi_clk>, <&system_clk>; 31 clock-names = "spfi", "sys"; 32 dmas = <&mdc 9 0xffffffff 0>, <&mdc 10 0xffffffff 0>; 33 dma-names = "rx", "tx"; 34 35 #address-cells = <1>; 36 #size-cells = <0>; 37}; 38