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Subject[PATCH v2 2/2] dt-bindings: mtd: rawnand: gpmi: document specific ECC strength
Document newly supported device tree properties nand-ecc-strength/
nand-ecc-step-size to specify ECC strength/size.

Signed-off-by: Stefan Agner <>
Documentation/devicetree/bindings/mtd/gpmi-nand.txt | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
index b289ef3c1b7e..393588385c6e 100644
--- a/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.txt
@@ -47,6 +47,11 @@ Optional properties:
partitions written from Linux with this feature
turned on may not be accessible by the BootROM
+ - nand-ecc-strength: integer representing the number of bits to correct
+ per ECC step. Needs to be a multiple of 2.
+ - nand-ecc-step-size: integer representing the number of data bytes
+ that are covered by a single ECC step. The driver
+ supports 512 and 1024.

The device tree may optionally contain sub-nodes describing partitions of the
address space. See partition.txt for more detail.
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