Signed-off-by: Zhou Wang <wangzhou.bry@xxxxxxxxx> --- .../devicetree/bindings/mtd/hisi-nand.txt | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/hisi-nand.txt diff --git a/Documentation/devicetree/bindings/mtd/hisi-nand.txt b/Documentation/devicetree/bindings/mtd/hisi-nand.txt new file mode 100644 index 0000000..1cc6470 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/hisi-nand.txt @@ -0,0 +1,38 @@ +Hisilicon Hip04 Soc NAND controller DT binding + +Required properties: +- compatible: Should be "hisilicon,nfc504". +- reg: Contain registers location and length for reg and data. +- interrupts: Interrupt number for nfc. +- nand-bus-width: See nand.txt. +- nand-ecc-mode: See nand.txt. +- hisi,nand-ecc-bits: ECC bits type support. + <0>: none ecc + <1>: Can correct 1bit per 512byte. + <6>: Can correct 16bits per 1K byte. +- #address-cells: partition address. +- #size-cells: partition size. + +Flash chip may optionally contain additional sub-nodes describing partitions of +the address space. See partition.txt for more detail. + +Example: + + nand: nand@4020000 { + compatible = "hisilicon,nfc504"; + reg = <0x4020000 0x10000>, <0x5000000 0x1000>; + interrupts = <0 379 4>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + hisi,nand-ecc-bits = <1>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "nand_text"; + reg = <0x00000000 0x00400000>; + }; + + ... + + }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html