[v2,2/2] dt-bindings: mtd: rawnand: gpmi: document specific ECC strength

Message ID 20180304200602.11475-2-stefan@agner.ch
State New
Delegated to: Boris Brezillon
Headers show
  • [v2,1/2] mtd: rawnand: gpmi: add support for specific ECC strength
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Commit Message

Stefan Agner March 4, 2018, 8:06 p.m.
Document newly supported device tree properties nand-ecc-strength/
nand-ecc-step-size to specify ECC strength/size.

Signed-off-by: Stefan Agner <stefan@agner.ch>
 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.