1*4882a593SmuzhiyunIMG Synchronous Peripheral Flash Interface (SPFI) controller 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible: Must be "img,spfi". 5*4882a593Smuzhiyun- reg: Must contain the base address and length of the SPFI registers. 6*4882a593Smuzhiyun- interrupts: Must contain the SPFI interrupt. 7*4882a593Smuzhiyun- clocks: Must contain an entry for each entry in clock-names. 8*4882a593Smuzhiyun See ../clock/clock-bindings.txt for details. 9*4882a593Smuzhiyun- clock-names: Must include the following entries: 10*4882a593Smuzhiyun - spfi: SPI operating clock 11*4882a593Smuzhiyun - sys: SPI system interface clock 12*4882a593Smuzhiyun- dmas: Must contain an entry for each entry in dma-names. 13*4882a593Smuzhiyun See ../dma/dma.txt for details. 14*4882a593Smuzhiyun- dma-names: Must include the following entries: 15*4882a593Smuzhiyun - rx 16*4882a593Smuzhiyun - tx 17*4882a593Smuzhiyun- cs-gpios: Must specify the GPIOs used for chipselect lines. 18*4882a593Smuzhiyun- #address-cells: Must be 1. 19*4882a593Smuzhiyun- #size-cells: Must be 0. 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunOptional properties: 22*4882a593Smuzhiyun- img,supports-quad-mode: Should be set if the interface supports quad mode 23*4882a593Smuzhiyun SPI transfers. 24*4882a593Smuzhiyun- spfi-max-frequency: Maximum speed supported by the spfi block. 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunExample: 27*4882a593Smuzhiyun 28*4882a593Smuzhiyunspi@18100f00 { 29*4882a593Smuzhiyun compatible = "img,spfi"; 30*4882a593Smuzhiyun reg = <0x18100f00 0x100>; 31*4882a593Smuzhiyun interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>; 32*4882a593Smuzhiyun clocks = <&spi_clk>, <&system_clk>; 33*4882a593Smuzhiyun clock-names = "spfi", "sys"; 34*4882a593Smuzhiyun dmas = <&mdc 9 0xffffffff 0>, <&mdc 10 0xffffffff 0>; 35*4882a593Smuzhiyun dma-names = "rx", "tx"; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #address-cells = <1>; 38*4882a593Smuzhiyun #size-cells = <0>; 39*4882a593Smuzhiyun}; 40