1 * ARASAN PATA COMPACT FLASH CONTROLLER 1 * ARASAN PATA COMPACT FLASH CONTROLLER
2 2
3 Required properties: 3 Required properties:
4 - compatible: "arasan,cf-spear1340" 4 - compatible: "arasan,cf-spear1340"
5 - reg: Address range of the CF registers 5 - reg: Address range of the CF registers
6 - interrupt: Should contain the CF interrupt n 6 - interrupt: Should contain the CF interrupt number
7 - clock-frequency: Interface clock rate, in Hz 7 - clock-frequency: Interface clock rate, in Hz, one of
8 25000000 8 25000000
9 33000000 9 33000000
10 40000000 10 40000000
11 50000000 11 50000000
12 66000000 12 66000000
13 75000000 13 75000000
14 100000000 14 100000000
15 125000000 15 125000000
16 150000000 16 150000000
17 166000000 17 166000000
18 200000000 18 200000000
19 19
20 Optional properties: 20 Optional properties:
21 - arasan,broken-udma: if present, UDMA mode is 21 - arasan,broken-udma: if present, UDMA mode is unusable
22 - arasan,broken-mwdma: if present, MWDMA mode 22 - arasan,broken-mwdma: if present, MWDMA mode is unusable
23 - arasan,broken-pio: if present, PIO mode is u 23 - arasan,broken-pio: if present, PIO mode is unusable
24 - dmas: one DMA channel, as described in bindi 24 - dmas: one DMA channel, as described in bindings/dma/dma.txt
25 required unless both UDMA and MWDMA mode are 25 required unless both UDMA and MWDMA mode are broken
26 - dma-names: the corresponding channel name, m 26 - dma-names: the corresponding channel name, must be "data"
27 27
28 Example: 28 Example:
29 29
30 cf@fc000000 { 30 cf@fc000000 {
31 compatible = "arasan,cf-spear1 31 compatible = "arasan,cf-spear1340";
32 reg = <0xfc000000 0x1000>; 32 reg = <0xfc000000 0x1000>;
33 interrupt-parent = <&vic1>; 33 interrupt-parent = <&vic1>;
34 interrupts = <12>; 34 interrupts = <12>;
35 dmas = <&dma-controller 23>; 35 dmas = <&dma-controller 23>;
36 dma-names = "data"; 36 dma-names = "data";
37 }; 37 };
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