xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mtd/orion-nand.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunNAND support for Marvell Orion SoC platforms
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible : "marvell,orion-nand".
5*4882a593Smuzhiyun- reg : Base physical address of the NAND and length of memory mapped
6*4882a593Smuzhiyun	region
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunOptional properties:
9*4882a593Smuzhiyun- cle : Address line number connected to CLE. Default is 0
10*4882a593Smuzhiyun- ale : Address line number connected to ALE. Default is 1
11*4882a593Smuzhiyun- bank-width : Width in bytes of the device. Default is 1
12*4882a593Smuzhiyun- chip-delay : Chip dependent delay for transferring data from array to read
13*4882a593Smuzhiyun               registers in usecs
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunThe device tree may optionally contain sub-nodes describing partitions of the
16*4882a593Smuzhiyunaddress space. See partition.txt for more detail.
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunExample:
19*4882a593Smuzhiyun
20*4882a593Smuzhiyunnand@f4000000 {
21*4882a593Smuzhiyun	#address-cells = <1>;
22*4882a593Smuzhiyun	#size-cells = <1>;
23*4882a593Smuzhiyun	cle = <0>;
24*4882a593Smuzhiyun	ale = <1>;
25*4882a593Smuzhiyun	bank-width = <1>;
26*4882a593Smuzhiyun	chip-delay = <25>;
27*4882a593Smuzhiyun	compatible = "marvell,orion-nand";
28*4882a593Smuzhiyun	reg = <0xf4000000 0x400>;
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun	partition@0 {
31*4882a593Smuzhiyun		label = "u-boot";
32*4882a593Smuzhiyun		reg = <0x0000000 0x100000>;
33*4882a593Smuzhiyun		read-only;
34*4882a593Smuzhiyun	};
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun	partition@100000 {
37*4882a593Smuzhiyun		label = "uImage";
38*4882a593Smuzhiyun		reg = <0x0100000 0x200000>;
39*4882a593Smuzhiyun	};
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun	partition@300000 {
42*4882a593Smuzhiyun		label = "dtb";
43*4882a593Smuzhiyun		reg = <0x0300000 0x100000>;
44*4882a593Smuzhiyun	};
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun	partition@400000 {
47*4882a593Smuzhiyun		label = "root";
48*4882a593Smuzhiyun		reg = <0x0400000 0x7d00000>;
49*4882a593Smuzhiyun	};
50*4882a593Smuzhiyun};
51