xref: /freebsd/sys/contrib/device-tree/Bindings/ata/cavium-compact-flash.txt (revision fe6060f10f634930ff71b7c50291ddc610da2475)
1* Compact Flash
2
3The Cavium Compact Flash device is connected to the Octeon Boot Bus,
4and is thus a child of the Boot Bus device.  It can read and write
5industry standard compact flash devices.
6
7Properties:
8- compatible: "cavium,ebt3000-compact-flash";
9
10  Compatibility with many Cavium evaluation boards.
11
12- reg: The base address of the CF chip select banks.  Depending on
13  the device configuration, there may be one or two banks.
14
15- cavium,bus-width: The width of the connection to the CF devices.  Valid
16  values are 8 and 16.
17
18- cavium,true-ide: Optional, if present the CF connection is in True IDE mode.
19
20- cavium,dma-engine-handle: Optional, a phandle for the DMA Engine connected
21  to this device.
22
23Example:
24	compact-flash@5,0 {
25		compatible = "cavium,ebt3000-compact-flash";
26		reg = <5 0 0x10000>, <6 0 0x10000>;
27		cavium,bus-width = <16>;
28		cavium,true-ide;
29		cavium,dma-engine-handle = <&dma0>;
30	};
31