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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/mtd/hisi504-nand.txt | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/hisi504-nand.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mtd/hisi504-nand.txt | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/hisi504-nand.txt b/Documentation/devicetree/bindings/mtd/hisi504-nand.txt new file mode 100644 index 000000000..8963983ae --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/hisi504-nand.txt @@ -0,0 +1,47 @@ +Hisilicon Hip04 Soc NAND controller DT binding + +Required properties: + +- compatible: Should be "hisilicon,504-nfc". +- reg: The first contains base physical address and size of + NAND controller's registers. The second contains base + physical address and size of NAND controller's buffer. +- interrupts: Interrupt number for nfc. +- nand-bus-width: See nand-controller.yaml. +- nand-ecc-mode: Support none and hw ecc mode. +- #address-cells: Partition address, should be set 1. +- #size-cells: Partition size, should be set 1. + +Optional properties: + +- nand-ecc-strength: Number of bits to correct per ECC step. +- nand-ecc-step-size: Number of data bytes covered by a single ECC step. + +The following ECC strength and step size are currently supported: + + - nand-ecc-strength = <16>, nand-ecc-step-size = <1024> + +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,504-nfc"; + reg = <0x4020000 0x10000>, <0x5000000 0x1000>; + interrupts = <0 379 4>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-ecc-strength = <16>; + nand-ecc-step-size = <1024>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "nand_text"; + reg = <0x00000000 0x00400000>; + }; + + ... + + }; |