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

Message ID 20180304200602.11475-2-stefan@agner.ch
State Accepted
Delegated to: Boris Brezillon
Headers show
Series
  • [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(+)

Comments

Han Xu April 13, 2018, 9:57 p.m. | #1
On 03/04/2018 02:06 PM, Stefan Agner wrote:
> 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
>                          code.
> +  - 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.
> 

Acked-by: Han Xu <han.xu@nxp.com>

Patch

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
                        code.
+  - 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.