blob: 872edc105680536e1e119d649903f1b36a1dd4cc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
* ARASAN PATA COMPACT FLASH CONTROLLER
Required properties:
- compatible: "arasan,cf-spear1340"
- reg: Address range of the CF registers
- interrupt: Should contain the CF interrupt number
- clock-frequency: Interface clock rate, in Hz, one of
25000000
33000000
40000000
50000000
66000000
75000000
100000000
125000000
150000000
166000000
200000000
Optional properties:
- arasan,broken-udma: if present, UDMA mode is unusable
- arasan,broken-mwdma: if present, MWDMA mode is unusable
- arasan,broken-pio: if present, PIO mode is unusable
- dmas: one DMA channel, as described in bindings/dma/dma.txt
required unless both UDMA and MWDMA mode are broken
- dma-names: the corresponding channel name, must be "data"
Example:
cf@fc000000 {
compatible = "arasan,cf-spear1340";
reg = <0xfc000000 0x1000>;
interrupt-parent = <&vic1>;
interrupts = <12>;
dmas = <&dma-controller 23>;
dma-names = "data";
};
|
