* Philip Avinash <avinashphilip@xxxxxx> [130117 21:00]: > In case ELM module available, omap2 NAND driver can opt for hardware > correction method for bit flip errors in NAND flash with BCH. Hence the > detection of ELM module is done through devicetree population of elm_id. > This patch update device tree documentation for gpmc-nand for elm-id > data population. > > Signed-off-by: Philip Avinash <avinashphilip@xxxxxx> > --- > This patch based [1] and depends on [2]. As Artem suggested, this patch can > go in omap_tree due to the dependency on [3]. > Discussion can found at [4] > > Tony, > Can you accept this patch. Thanks applying into omap-for-v3.9/gpmc. Regards, Tony > 1. http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap.git;a=shortlog;h=refs/heads/omap-for-v3.9/gpmc > 2. mtd: nand: omap2: Support for hardware BCH error correction > http://git.infradead.org/users/dedekind/l2-mtd-2.6.git/commit/576daed18c3f27bb5d0e57e1df11e8f7b493dce8 > 3. ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND > http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap.git;a=commit;h=bc6b1e7b86f5d8e4a6fc1c0189e64bba4077efe0 > 4. https://lkml.org/lkml/2013/1/17/167 > > .../devicetree/bindings/mtd/gpmc-nand.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt > index 9f464f9..e7f8d7e 100644 > --- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt > +++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt > @@ -29,6 +29,9 @@ Optional properties: > "bch4" 4-bit BCH ecc code > "bch8" 8-bit BCH ecc code > > + - elm_id: Specifies elm device node. This is required to support BCH > + error correction using ELM module. > + > For inline partiton table parsing (optional): > > - #address-cells: should be set to 1 > @@ -46,6 +49,7 @@ Example for an AM33xx board: > #address-cells = <2>; > #size-cells = <1>; > ranges = <0 0 0x08000000 0x2000>; /* CS0: NAND */ > + elm_id = <&elm>; > > nand@0,0 { > reg = <0 0 0>; /* CS0, offset 0 */ > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
