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