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Diffstat (limited to 'Documentation/devicetree/bindings/mtd/orion-nand.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/orion-nand.txt | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/orion-nand.txt b/Documentation/devicetree/bindings/mtd/orion-nand.txt new file mode 100644 index 000000000000..b2356b7d2fa4 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/orion-nand.txt @@ -0,0 +1,50 @@ +NAND support for Marvell Orion SoC platforms + +Required properties: +- compatible : "mrvl,orion-nand". +- reg : Base physical address of the NAND and length of memory mapped + region + +Optional properties: +- cle : Address line number connected to CLE. Default is 0 +- ale : Address line number connected to ALE. Default is 1 +- bank-width : Width in bytes of the device. Default is 1 +- chip-delay : Chip dependent delay for transferring data from array to read + registers in usecs + +The device tree may optionally contain sub-nodes describing partitions of the +address space. See partition.txt for more detail. + +Example: + +nand@f4000000 { + #address-cells = <1>; + #size-cells = <1>; + cle = <0>; + ale = <1>; + bank-width = <1>; + chip-delay = <25>; + compatible = "mrvl,orion-nand"; + reg = <0xf4000000 0x400>; + + partition@0 { + label = "u-boot"; + reg = <0x0000000 0x100000>; + read-only; + }; + + partition@100000 { + label = "uImage"; + reg = <0x0100000 0x200000>; + }; + + partition@300000 { + label = "dtb"; + reg = <0x0300000 0x100000>; + }; + + partition@400000 { + label = "root"; + reg = <0x0400000 0x7d00000>; + }; +}; |