xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/ata/pata-arasan.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* ARASAN PATA COMPACT FLASH CONTROLLER
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: "arasan,cf-spear1340"
5*4882a593Smuzhiyun- reg: Address range of the CF registers
6*4882a593Smuzhiyun- interrupt: Should contain the CF interrupt number
7*4882a593Smuzhiyun- clock-frequency: Interface clock rate, in Hz, one of
8*4882a593Smuzhiyun       25000000
9*4882a593Smuzhiyun       33000000
10*4882a593Smuzhiyun       40000000
11*4882a593Smuzhiyun       50000000
12*4882a593Smuzhiyun       66000000
13*4882a593Smuzhiyun       75000000
14*4882a593Smuzhiyun      100000000
15*4882a593Smuzhiyun      125000000
16*4882a593Smuzhiyun      150000000
17*4882a593Smuzhiyun      166000000
18*4882a593Smuzhiyun      200000000
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunOptional properties:
21*4882a593Smuzhiyun- arasan,broken-udma: if present, UDMA mode is unusable
22*4882a593Smuzhiyun- arasan,broken-mwdma: if present, MWDMA mode is unusable
23*4882a593Smuzhiyun- arasan,broken-pio: if present, PIO mode is unusable
24*4882a593Smuzhiyun- dmas: one DMA channel, as described in bindings/dma/dma.txt
25*4882a593Smuzhiyun  required unless both UDMA and MWDMA mode are broken
26*4882a593Smuzhiyun- dma-names: the corresponding channel name, must be "data"
27*4882a593Smuzhiyun
28*4882a593SmuzhiyunExample:
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun	cf@fc000000 {
31*4882a593Smuzhiyun		compatible = "arasan,cf-spear1340";
32*4882a593Smuzhiyun		reg = <0xfc000000 0x1000>;
33*4882a593Smuzhiyun		interrupt-parent = <&vic1>;
34*4882a593Smuzhiyun		interrupts = <12>;
35*4882a593Smuzhiyun		dmas = <&dma-controller 23>;
36*4882a593Smuzhiyun		dma-names = "data";
37*4882a593Smuzhiyun	};
38