1* ARASAN PATA COMPACT FLASH CONTROLLER 2 3Required properties: 4- compatible: "arasan,cf-spear1340" 5- reg: Address range of the CF registers 6- interrupt-parent: Should be the phandle for the interrupt controller 7 that services interrupts for this device 8- interrupt: Should contain the CF interrupt number 9- clock-frequency: Interface clock rate, in Hz, one of 10 25000000 11 33000000 12 40000000 13 50000000 14 66000000 15 75000000 16 100000000 17 125000000 18 150000000 19 166000000 20 200000000 21 22Optional properties: 23- arasan,broken-udma: if present, UDMA mode is unusable 24- arasan,broken-mwdma: if present, MWDMA mode is unusable 25- arasan,broken-pio: if present, PIO mode is unusable 26- dmas: one DMA channel, as described in bindings/dma/dma.txt 27 required unless both UDMA and MWDMA mode are broken 28- dma-names: the corresponding channel name, must be "data" 29 30Example: 31 32 cf@fc000000 { 33 compatible = "arasan,cf-spear1340"; 34 reg = <0xfc000000 0x1000>; 35 interrupt-parent = <&vic1>; 36 interrupts = <12>; 37 dmas = <&dma-controller 23>; 38 dma-names = "data"; 39 }; 40